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Zeng L, Liu X, Ma J, Yang J, Yang J, Zhou Y. Current progress on manganese in constructed wetlands: Bibliometrics, effects on wastewater treatment, and plant uptake. ENVIRONMENTAL RESEARCH 2024; 249:118382. [PMID: 38331160 DOI: 10.1016/j.envres.2024.118382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/29/2024] [Accepted: 01/30/2024] [Indexed: 02/10/2024]
Abstract
Constructed wetlands (CWs) are a pollutant treatment design inspired by natural wetlands and are widely utilized for the removal of common pollutants. The research focus lies in the circulation of manganese (Mn) in the environment to enhance pollutant removal within CWs. This paper provides a comprehensive review of recent advancements in understanding the role and effects of Mn in chemical weapons, based on literature retrieval from 2002 to 2021. Ecological risk assessment and heavy metals within CWs emerge as current areas of research interest. Mn sources within CWs primarily include natural deposition, heavy metal wastewater, and intentional addition. The cycling between Mn(II) and Mn(IV) facilitates enhanced wastewater treatment within CWs. Moreover, employing a Mn matrix proves effective in reducing ammonia nitrogen wastewater, organic pollutants, as well as heavy metals such as Cd and Pb, thereby addressing complex pollution challenges practically. To comprehensively analyze influencing factors on the system's performance, both internal factors (biological species, design parameters, pH levels, etc.) and external factors (seasonal climate variations, precipitation patterns, ultraviolet radiation exposure, etc.) were discussed. Among these factors, microorganisms, pollutants, and temperature are the most important influencing factors, which emphasizes the importance of these factors for wetland operation. Lastly, this paper delves into plant absorption of Mn along with coping strategies employed by plants when faced with Mn poisoning or deficiency scenarios. When utilizing Mn for the regulation of constructed wetlands, it is crucial to consider the tolerance levels of associated plant species. Furthermore, the study predicts future research hotspots encompass high-efficiency catalysis techniques, matrix-filling approaches, and preparation of resource utilization methods involving Mn nanomaterials.
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Affiliation(s)
- Lingfeng Zeng
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, China
| | - Xin Liu
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, China
| | - Jiezhi Ma
- Department of Obstetrics and Gynecology, Xiangya Third Hospital, Central South University, Changsha City, Hunan Province, 410013, China.
| | - Jie Yang
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, China
| | - Jian Yang
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, China.
| | - Yaoyu Zhou
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Environment and Ecology, Hunan Agricultural University, Changsha, 410128, China
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Jolaosho TL, Elegbede IO, Ndimele PE, Falebita TE, Abolaji OY, Oladipupo IO, Ademuyiwa FE, Mustapha AA, Oresanya ZO, Isaac OO. Occurrence, distribution, source apportionment, ecological and health risk assessment of heavy metals in water, sediment, fish and prawn from Ojo River in Lagos, Nigeria. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:109. [PMID: 38172417 DOI: 10.1007/s10661-023-12148-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 11/15/2023] [Indexed: 01/05/2024]
Abstract
The study investigates the occurrence and bioaccumulation of heavy metals in water, sediment, fish, and prawn from the Ojo River with a view to identify the source of origin and the associated ecological and human health risks. The result shows that heavy metal concentrations in water [As = 0.010, Cd = 0.001, Cr = 0.041, Cu = 0.019, Co = 0.050, Fe = 0.099, Pb = 0.006, Ni = 0.003, and Zn = 0.452(mg/L)] were within the acceptable limits. The heavy metals in the sediment [As = 0.050, Cd = 0.287, Cr = 0.509, Cu = 0.207, Co = 0.086, Fe = 33.093, Pb = 0.548, Ni = 0.153 and Zn = 4.249 (mg/kg)] were within their respective background levels or earth's crust and the TEL and PEL standard limits. The bioaccumulation of heavy metals in fish and prawn tissues are in this hierarchical form: Fe > Zn > Cu > Cr > Ni > Co > Pb > Ar > Cd and Fe > Zn > Cu > Cr > Pb > Ar > Ni > Co > Cd, respectively. The bioaccumulation factors of heavy metals in fish ranged from 0.893 - 16.611 and 1.056 - 49.204 in prawn, which were higher than the biota-sedimentation factors (BSAF) values, inferring that the fish and prawns of this study ingested heavy metals highly from water column. The aggregated BSAF scores (fish = 5.584 and prawn = 9.137) showed that these organisms are good concentrators of heavy metals in sediments. The water quality index and other pollution indices (Single pollution index, Heavy metal assessment index, and Heavy metal pollution index) demonstrates slightly clean water, with a moderate level of contamination. The HI values of heavy metals in water, fish, and prawn were lower than 1, implying non-carcinogenic risk in children or adults. The ADD and EDI values of the metals were within their respective oral reference doses (RfD). The TCR values showed that exposure to water, either by ingestion or dermal absorption and the consumption of P. obscura and M. vollenhovenii from the Ojo River would not induce cancer risks in people, though As, Cr, Cd, and Pb showed carcinogenic potentials. The sediment contamination indices such as CF, mCd, EF, and Igeo showed a moderate level of pollution. The ecological risk values (NMPI, mCd = 0.068, PLI = 0.016, and R.I = 86.651) of heavy metals implies "no-moderate risk" except for Cd, which showed high risk. The ecotoxicological parameters, m-PEL-Q (0.024) and m-ERM-Q (0.016) denotes low contamination and no probability of acute toxicity. The CV analysis showed high dispersions and variabilities in the distributions of the heavy metals in water. Other source analyses (Pearson's correlation matrix, PCA, and HCA) showed that both natural processes and anthropogenic activities are responsible for the occurrence of heavy metals in water and sediment from the Ojo River.
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Affiliation(s)
- Toheeb Lekan Jolaosho
- Department of Fisheries, Lagos State University, Ojo, Lagos State, Nigeria.
- Department of Fisheries Technology, Lagos State Polytechnic, Ikorodu, Nigeria.
| | - Isa Olalekan Elegbede
- Department of Fisheries, Lagos State University, Ojo, Lagos State, Nigeria
- Department of Environmental Planning, University of Technology, Cottbus-Senftenberg, Brandenburg, Germany
| | | | - Taiwo Elijah Falebita
- Department of Zoology and Environmental Biology, Lagos State University, Ojo, Lagos State, Nigeria
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Chatterjee NH, Manna S, Ray A, Das S, Rana N, Banerjee A, Ray M, Ray S. Microplastics contamination in two species of gobies and their estuarine habitat of Indian Sundarbans. MARINE POLLUTION BULLETIN 2024; 198:115857. [PMID: 38039580 DOI: 10.1016/j.marpolbul.2023.115857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 11/21/2023] [Accepted: 11/24/2023] [Indexed: 12/03/2023]
Abstract
Sundarbans, a Ramsar site of India is contaminated with heterogeneous microplastic wastes. Boddart's goggle eye mudskipper and Rubicundus eelgoby, were common gobies of Sundarbans estuary which accumulated microplastics during their normal biological activities. We estimated the abundance of microplastics in water, sediment; skin, gills, bucco-opercular cavity and gastrointestinal tract of these two goby fishes. Microplastic load estimated in gobies were 0.84 and 2.62 particles per fish species with a dominance of transparent, fibrous microplastics with 100-300 μm in length. ATR-FTIR and Raman spectroscopy revealed polyethylene as prevalent polymer. Surface degradations and adsorption of contaminants on microplastic surface were investigated by SEM-EDX analysis. Presence of hazardous polymers influenced high polymer hazard index and potential ecological risk index which indicated acute environmental threat to Sundarbans estuary and its resident organisms. Current study will provide a new information base on the abundance of microplastics and its ecological hazard in this biosphere reserve.
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Affiliation(s)
- Nilanjan Hari Chatterjee
- Aquatic Toxicology Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Sumit Manna
- Aquatic Toxicology Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Abhishek Ray
- Aquatic Toxicology Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Sourav Das
- Aquatic Toxicology Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Nabakumar Rana
- Department of Physics, University of Calcutta, 92 A.P.C Road, Kolkata 700009, West Bengal, India
| | - Aritra Banerjee
- Department of Physics, University of Calcutta, 92 A.P.C Road, Kolkata 700009, West Bengal, India
| | - Mitali Ray
- Aquatic Toxicology Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Sajal Ray
- Aquatic Toxicology Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700019, West Bengal, India.
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Degbe PL, Guembou Shouop CJ, Bongue D, Ndontchueng MM, Ngwa Ebongue A, Kwato Njock MG. Assessment of heavy metals' pollutions and potential risks associated to the rocks of Pouma subdivision-Cameroon. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1292. [PMID: 37821743 DOI: 10.1007/s10661-023-11793-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 08/25/2023] [Indexed: 10/13/2023]
Abstract
The present study aimed to assess the ecological and health risks of the Pouma rock samples. Twenty-three (23) trace element concentrations were evaluated. The concentrations of these trace elements were compared with those of quartzite from other countries and with global reported values. When compared with the world values, the concentrations of trace metals were below the world average values except that of Barium. The ecological risk assessment was carried out using the geo-accumulation index, contamination factors and the potential ecological risk index. The geo-accumulation index and contamination factors showed that the quartzite of Pouma subdivision are not polluted and not contaminated by the investigated metal except for Barium and Mercury. The health risk assessment using the USEPA (United States Environmental Protection Agency) method showed that there is a possible non-carcinogenic risk from Al2O3 (for children and adults) and from Cr for Children. However, there is a tolerable and high carcinogenic risk due to Cr for adults and children, respectively. It was found independently for non-carcinogenic and carcinogenic risk that the exposure via the ingestion route is the most dangerous for adults and children.
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Affiliation(s)
- Patricia-Laurelle Degbe
- Centre for Atomic Molecular Physics and Quantum Optics (CEPAMOQ), University of Douala, P.O. Box. 8085, Douala, Cameroon.
| | - Cebastien Joel Guembou Shouop
- National Radiation Protection Agency, P.O. Box. 33732, Yaounde, Cameroon
- Atomic and Nuclear Spectroscopy, Archeometry, University of Liège, Liege, Belgium
| | - Daniel Bongue
- Centre for Atomic Molecular Physics and Quantum Optics (CEPAMOQ), University of Douala, P.O. Box. 8085, Douala, Cameroon
- Department of Physics, Faculty of Sciences, University of Douala, P.O. Box. 24157, Douala, Cameroon
| | - Maurice Moyo Ndontchueng
- Centre for Atomic Molecular Physics and Quantum Optics (CEPAMOQ), University of Douala, P.O. Box. 8085, Douala, Cameroon
- Department of Physics, Faculty of Sciences, University of Douala, P.O. Box. 24157, Douala, Cameroon
- National Radiation Protection Agency, P.O. Box. 33732, Yaounde, Cameroon
| | - Alexandre Ngwa Ebongue
- Centre for Atomic Molecular Physics and Quantum Optics (CEPAMOQ), University of Douala, P.O. Box. 8085, Douala, Cameroon
- Department of Physics, Faculty of Sciences, University of Douala, P.O. Box. 24157, Douala, Cameroon
| | - Moïse Godfroy Kwato Njock
- Centre for Atomic Molecular Physics and Quantum Optics (CEPAMOQ), University of Douala, P.O. Box. 8085, Douala, Cameroon
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Dessai NSP, Juvekar VS, Nasnodkar MR. Assessment of metal bioavailability in sediments and bioaccumulation in edible bivalves, and phyto-remediation potential of mangrove plants in the tropical (Kali) estuary, India. MARINE POLLUTION BULLETIN 2023; 194:115419. [PMID: 37639867 DOI: 10.1016/j.marpolbul.2023.115419] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/11/2023] [Accepted: 08/13/2023] [Indexed: 08/31/2023]
Abstract
The bioavailability of metals (Fe, Mn, Zn, Cu, Co and Ni) in sediment cores (K-1, K-2, K-3 and K-4) and bioaccumulation in edible bivalves were studied to determine the toxicity of metals in the Kali Estuary, India. Enrichment Factor (EF) construed anthropogenic sources of Zn, Co and Ni, while Geo-accumulation Index (Igeo) revealed pollution of Zn and Ni based on total metal analysis. The Pollution Load Index (PLI >1) supported anthropogenic origin of metals in estuary. Metal speciation study indicated bioavailability of metals in sediments. The bioavailable Mn and Co equalled/exceeded the Apparent Effect Threshold (AET) limit (cores K-1, K-3 and K-4) and indicated toxicity to estuarine biota. The metals in Metetrix casta (Fe, Mn, Zn, Cu, and Ni), Saccostrea cucullata (Fe, Mn, Zn, Cu, Co and Ni) and Villorita cyprinoides (Fe, Mn, Zn, Cu, Co and Ni) exceeded the permissible bioaccumulation limit. Thus, revealed metal toxicity to bivalves and labelled them un-safe for human consumption. Translocation Factor (TF > 1) indicated the use of Kandelia candel in phyto-remediation of Fe, Zn, Cu, Co and Ni at station K-3, and Sonnaretia caseoloris in phyto-remediation of Fe, Zn and Ni at station K-4.
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Affiliation(s)
| | - Vedhangee Santosh Juvekar
- Marine Science, School of Earth, Oceean and Atmospheric Sciences, Goa University, Taleigao 403206, Goa, India
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Chanda A, Akhand A. Challenges towards the Sustainability and Enhancement of the Indian Sundarban Mangrove's Blue Carbon Stock. Life (Basel) 2023; 13:1787. [PMID: 37629645 PMCID: PMC10455859 DOI: 10.3390/life13081787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 08/11/2023] [Accepted: 08/18/2023] [Indexed: 08/27/2023] Open
Abstract
The Sundarban is the world's largest contiguous mangrove forest and stores around 26.62 Tg of blue carbon. The present study reviewed the factors causing a decline in its blue carbon content and poses a challenge in enhancing the carbon stock of this region. This review emphasized that recurrent tropical cyclones, soil erosion, freshwater scarcity, reduced sediment load into the delta, nutrient deficiency, salt-stress-induced changes in species composition, mangrove clearing, and anthropogenic pollution are the fundamental drivers which can potentially reduce the total blue carbon stock of this region. The southern end of the Ganges-Brahmaputra-Meghna Delta that shelters this forest has stopped its natural progradation due to inadequate sediment flow from the upper reaches. Growing population pressure from the north of the Sundarban Biosphere Reserve and severe erosion in the southern end accentuated by regional sea-level rise has left minimal options to enhance the blue carbon stock by extending the forest premises. This study collated the scholarly observations of the past decades from this region, indicating a carbon sequestration potential deterioration. By collecting the existing knowledge base, this review indicated the aspects that require immediate attention to stop this ecosystem's draining of the valuable carbon sequestered and, at the same time, enhance the carbon stock, if possible. This review provided some key recommendations that can help sustain the blue carbon stock of the Indian Sundarban. This review stressed that characterizing the spatial variability of blue carbon with more sampling points, catering to the damaged trees after tropical cyclones, estuarine rejuvenation in the upper reaches, maintaining species diversity through afforestation programs, arresting coastal erosion through increasing sediment flow, and combating marine pollution have become urgent needs of the hour. The observations synthesized in this study can be helpful for academics, policy managers, and decision makers willing to uphold the sustainability of the blue carbon stock of this crucial ecosystem.
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Affiliation(s)
- Abhra Chanda
- School of Oceanographic Studies, Jadavpur University, Kolkata 700032, West Bengal, India
| | - Anirban Akhand
- Department of Ocean Science, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
- Coastal and Estuarine Environment Research Group, Port and Airport Research Institute, Nagase, Yokosuka 239-0826, Kanagawa, Japan
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Chowdhury A, Naz A, Maiti SK. Distribution, speciation, and bioaccumulation of potentially toxic elements in the grey mangroves at Indian Sundarbans, in relation to vessel movements. MARINE ENVIRONMENTAL RESEARCH 2023; 189:106042. [PMID: 37329607 DOI: 10.1016/j.marenvres.2023.106042] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 05/30/2023] [Accepted: 05/31/2023] [Indexed: 06/19/2023]
Abstract
Sundarban is the world's largest mangrove wetland and home of 4.6 million people (Indian part), whose principal mode of communication is motorized boats (ferries). This study shed light on the role played by ferry movement in the speciation (following the BCR three-step sequential extraction method), ecological impact and bioaccumulation of potentially toxic elements (PTEs) in plant tissues (root and lamina) of grey mangrove (Avicennia marina) found near the five ferry ghats (ports). One-way ANOVA showed variation in major soil parameters (silt, clay, organic carbon, pH, Electrical conductivity) and PTEs (As, Cd, Cr, Cu, Hg, and Pb) between sites. Sequential extraction revealed that Cd was present in the 'exchangeable' form across the sites, Pb was in the 'reducible' form, and the rest of the PTEs were majorly found in 'residual' phase. Pollution indices revealed moderate to heavy contamination and considerable potential ecological risk due to Cd. Pearson correlation statistics and concentration variations indicate a relation between Pb and ferry movement frequency in the sites. Higher bioconcentration of Pb in the roots of A. marina, indicates phytostabilization action. Translocation factor for Cd in the leaves, indicates phytoextraction by A. marina. Principal component analysis (PCA) and hierarchical cluster analysis (HCA) showed a close association between vehicle movement and Hg, Pb, Silt fraction, electrical conductivity, Cr, and As. This study recommends regular pollution monitoring across Sundarbans, as the PTEs in sediment-plant matrix can impact the higher trophic levels, human health through possible biomagnification in the detritus food chain, and can adversely impact the existing conservation initiatives.
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Affiliation(s)
- Abhiroop Chowdhury
- Jindal School of Environment and Sustainability, O.P. Jindal Global University, Sonipat, Haryana 131001, India; Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, 826004, Jharkhand, India.
| | - Aliya Naz
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, 826004, Jharkhand, India; Jindal School of Liberal Arts and Humanities, O.P. Jindal Global University, Sonipat, Haryana, 131001, India
| | - Subodh Kumar Maiti
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, 826004, Jharkhand, India
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Haque MM, Reza AHMS, Hoyanagi K. Anthropogenic and natural contribution of potentially toxic elements in southwestern Ganges-Brahmaputra-Meghna delta, Bangladesh. MARINE POLLUTION BULLETIN 2023; 192:115103. [PMID: 37276710 DOI: 10.1016/j.marpolbul.2023.115103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/07/2023]
Abstract
Elemental composition, multivariate statistical analyses with the absolute principal component score-multiple linear regression (APCS-MLR) model, and different pollution indices in Upper and Lower Southwestern Ganges-Brahmaputra-Meghna (GBM) delta sediments were studied to characterize pollution, ecological risk and quantify potential toxic element sources of the area. Toxic metals concentrations were higher in Lower Delta and individual pollution indices showed Upper Delta was moderately polluted by arsenic, chromium, cobalt, copper and lead, and Lower Delta was moderately-strongly polluted by the same metals. Synergistic indices include Potential Ecological, Toxic, Nemerow, and Pollution Risk indices in Upper and Lower Delta sediment ranged from 47.17-128.07, 2.03-12.19, 29.92-65.42, 0.28-1.62, and 69.17-246.90, 8.00-13.47, 20.53-152.92, 1.18-1.58, indicated low and moderate risk pollution, respectively. Statistical models represent the metals dominantly originated from nature for Upper Delta, and both natural and anthropogenic activities contributed to Lower Delta sediment. The study found that the modern deposit in Lower Delta became more contaminated and thus enhanced ecological risk.
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Affiliation(s)
- Md Masidul Haque
- Department of Geology and Mining, University of Rajshahi, Rajshahi 6205, Bangladesh.
| | - A H M Selim Reza
- Department of Geology and Mining, University of Rajshahi, Rajshahi 6205, Bangladesh
| | - Koichi Hoyanagi
- Department of Geology, Institute of Science, Shinshu University, 3-1-1 Asahi, Matsumoto 390-8621, Japan
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Sreelekshmi S, Harikrishnan M, Nandan SB, Sreelakshmi MN, Philomina J, Neethu KV. Ecological risk assessment and phytomanagement of trace metals in the sediments of mangroves associated with the Ramsar sites of Kerala, southern India. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:30530-30547. [PMID: 36434464 DOI: 10.1007/s11356-022-24375-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 11/19/2022] [Indexed: 06/16/2023]
Abstract
The study investigated trace metal accumulation in the sediments of three major mangrove ecosystems associated with the Ramsar sites of Kerala state, the ecological risks they pose, and the absorption, accumulation, and translocation of metals in five dominant mangrove species, as these systems are heavily impacted by anthropogenic interventions. The trace metal concentrations (mg kg-1) in the sediment of different mangrove habitats of Kerala ranged from 20 to 295 for Cu, 65 to 350 for Zn, 72 to 151 for Pb, 11 to 210 for Ni, 42 to 228 for Mn, 0 to 6 for Cd,124 to 565 for Cr, and 0 to 2.9 for Ag. An overall enrichment of metals was recorded in sediment, exceeding the prescribed effects range median (ERM) of consensus-based sediment quality guidelines (SQGs) for Cu and Cr concentrations at Munroe Island and Ni at Vypin, indicating a detrimental risk to biota in the sediments. Principal component analysis and a higher geoaccumulation index indicated the contribution of trace metals from industries, agricultural runoff, and urban waste disposal. The ecological risk index suggested that cadmium poses a very high risk to the mangrove ecosystem at Vypin. Furthermore, the bioconcentration factor for various trace metals in Avicennia marina and Lumnitzera racemosa in Ayiramthengu was > 2, suggesting that these species can accumulate trace metals, particularly Cr, Cd, and Pb. Further, our findings suggest that A. marina may be considered as an efficient metal trap for Cd in aerial parts, as indicated by the significant translocation factor (> 1) combined with the bioconcentration factor. Therefore, the study revealed that Munroe island and Vypin had a considerable level of contamination for toxic metals and Avicennia marina could be a promising candidate species for the phytoremediation of these trace metals in the coastal settings of Kerala state.
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Affiliation(s)
- Suseela Sreelekshmi
- School of Industrial Fisheries, Cochin University of Science and Technology, Kochi, Kerala, India.
| | - Mahadevan Harikrishnan
- School of Industrial Fisheries, Cochin University of Science and Technology, Kochi, Kerala, India
| | - Sivasankaran Bijoy Nandan
- Department of Marine Biology, Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Kochi, Kerala, India
| | - Muraleedharan Nair Sreelakshmi
- Department of Marine Biology, Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Kochi, Kerala, India
| | - Joseph Philomina
- Department of Zoology, St. Joseph's College for Women, Alappuzha, Kerala, India
| | - Kariyil Veettil Neethu
- Department of Marine Biology, Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Kochi, Kerala, India
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Hossain MB, Rahman MA, Hossain MK, Nur AAU, Sultana S, Semme S, Albeshr MF, Arai T, Yu J. Contamination status and associated ecological risk assessment of heavy metals in different wetland sediments from an urbanized estuarine ecosystem. MARINE POLLUTION BULLETIN 2022; 185:114246. [PMID: 36279725 DOI: 10.1016/j.marpolbul.2022.114246] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/08/2022] [Accepted: 10/08/2022] [Indexed: 06/16/2023]
Abstract
Sediment samples of different wetland types (saltmarsh, mangrove, tidal pool, mudflat and sandflat) from an urbanized estuary were analyzed to evaluate the contamination level and ecological risks of five heavy metals (Pb, Fe, Zn, Ni and Cr). The findings showed that the mean concentration (mg/kg) of heavy metals followed the order of Fe > Zn > Ni > Pb > Cr, while Pb and Fe concentrations exceeded the recommended guidelines. Heavy metals levels were highest in saltmarsh and mudflats. Contamination assessment indices e.g., contamination factor (CF), degree of contamination (CD), enrichment factor (EF), and geo-accumulation index (Igeo) revealed that the studied wetlands had low to moderate levels of pollution, meaning these sites receive medium levels of anthropogenic contamination compared with background values. For some of the studied metals, such as Pb, Zn, Fe, and Ni, the EF value was >1 in certain types of wetland, indicating anthropogenic sources, while Cr was <1 indicating natural sources. The pollution load index (PLI) value was determined to be <1, indicating perfection of soil, and was in the following order: mudflat> saltmarsh> tidal pool> mangrove > sandflat. The ecological risk (RI) value was the highest for saltmarsh and the lowest for sandflats. However, the RI value for Cr, Zn, Ni, and Pb was <30 suggesting that these metals pose a low risk in the local ecosystem. Cluster analysis (CA), principal component analysis (PCA), and Pearson's correlation specified that anthropogenic sources of metals.
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Affiliation(s)
- M Belal Hossain
- School of Engineering and Built Environment, Griffith University, Brisbane, QLD 4111, Australia; Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali 3814, Bangladesh.
| | - M Asrafur Rahman
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali 3814, Bangladesh
| | - Md Kamal Hossain
- Soil and Environment Research Section, BCSIR Laboratories Dhaka, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka 1205, Bangladesh.
| | - As-Ad Ujjaman Nur
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali 3814, Bangladesh
| | - Salma Sultana
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali 3814, Bangladesh
| | - Sanjida Semme
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali 3814, Bangladesh
| | - Mohammed Fahad Albeshr
- Department of Zoology, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia.
| | - Takaomi Arai
- Environmental and Life Sciences Programme, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong BE 1410, Brunei Darussalam.
| | - Jimmy Yu
- School of Engineering and Built Environment, Griffith University, Brisbane, QLD 4111, Australia.
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11
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Hossain MB, Masum Z, Rahman MS, Yu J, Noman MA, Jolly YN, Begum BA, Paray BA, Arai T. Heavy Metal Accumulation and Phytoremediation Potentiality of Some Selected Mangrove Species from the World's Largest Mangrove Forest. BIOLOGY 2022; 11:biology11081144. [PMID: 36009771 PMCID: PMC9405028 DOI: 10.3390/biology11081144] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/08/2022] [Accepted: 05/10/2022] [Indexed: 11/16/2022]
Abstract
Toxic metal pollution is a global issue, and the use of metal-accumulating plants to clean contaminated ecosystems is one of the most rapidly growing ecologically beneficial and cost-effective technologies. In this study, samples of sediment and three mangrove species (Excoecaria agallocha, Avicennia officinalis, Sonneratia apetala) were collected from the world’s largest mangrove forest (along the Northern Bay of Bengal Coast) with the aim of evaluating metal concentrations, contamination degrees, and phytoremediation potentiality of those plants. Overall, the heavy metals concentration in sediment ranged from Cu: 72.41−95.89 mg/kg; Zn: 51.28−71.20 mg/kg; Fe: 22,760−27,470 mg/kg; Mn: 80.37−116.37 mg/kg; Sr: 167.92−221.44 mg/kg. In mangrove plants, the mean concentrations were in the order of E. agallocha > A. officinalis > S. apetala. The mean (± SD) concentration of each metal in the plant tissue (root) was found following the descending order of Fe (737.37 ± 153.06) > Mn (151.13 ± 34.26) > Sr (20.98 ± 6.97) > Cu (16.12 ± 4.34) > Zn (11.3 ± 2.39) mg/kg, whereas, in the leaf part, the mean concentration (mg/kg) of each metal found in the order of Fe (598.75 ± 410.65) > Mn (297.27 ± 148.11) > Sr (21.40 ± 8.71) > Cu (14.25 ± 2.51) > Zn (12.56 ± 2.13). The contamination factor (CF) values for the studied metals were in the descending order of Cu > Sr > Zn > Fe > Mn. The values of Igeo (Geo-accumulation index) and CF showed that the area was unpolluted to moderately polluted by Zn, Fe, Mn, Cu and Sr. Enrichment factor (EF) values in both sampling stations portrayed moderate to minimum enrichment. Phytoremediation potentiality of the species was assessed by bio-concentration factor (BCF) and translocation factor (TF). BCF values showed less accumulation for most of the heavy metals (<1) except Mn which was highly accumulated in all mangrove plants. The translocation factor (TF) values depicted that most of the heavy metals were strongly accumulated in plant tissues (>1). However, the BCF value depicts that Mn was highly bioconcentrated in E. agallocha, but the translocation on leaves tissue were minimum, which reveals that E. agallocha is phytoextractor for Mn, and accumulated in root tissues. All the examined plants can be used as phytoextractors as they have bioconcentration factors <1 and translocation factors >1. However, A. officinalis is clearly more suitable for metal extraction than S. apetala and E. agallocha in terms of hyper-metabolizing capabilities.
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Affiliation(s)
- M. Belal Hossain
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali 3814, Bangladesh;
- School of Engineering and Built Environment, Griffith University, Brisbane, QLD 4111, Australia;
- Correspondence:
| | - Zobaer Masum
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali 3814, Bangladesh;
| | - M. Safiur Rahman
- Chemistry Division, Atomic Energy Centre Dhaka (AECD), Bangladesh Atomic Energy Commission, Dhaka 1000, Bangladesh; (M.S.R.); (Y.N.J.); (B.A.B.)
| | - Jimmy Yu
- School of Engineering and Built Environment, Griffith University, Brisbane, QLD 4111, Australia;
| | - Md. Abu Noman
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan 430074, China;
| | - Yeasmin N. Jolly
- Chemistry Division, Atomic Energy Centre Dhaka (AECD), Bangladesh Atomic Energy Commission, Dhaka 1000, Bangladesh; (M.S.R.); (Y.N.J.); (B.A.B.)
| | - Bilkis A. Begum
- Chemistry Division, Atomic Energy Centre Dhaka (AECD), Bangladesh Atomic Energy Commission, Dhaka 1000, Bangladesh; (M.S.R.); (Y.N.J.); (B.A.B.)
| | - Bilal Ahamad Paray
- Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia;
| | - Takaomi Arai
- Environmental and Life Sciences Programme, Faculty of Science, University Brunei Darussalam, Jala Tungku Link, Gadong BE1410, Brunei;
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12
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Rahman MS, Saha N, Ahmed ASS, Babu SMOF, Islam ARMT, Begum BA, Jolly YN, Akhter S, Choudhury TR. Depth-related dynamics of physicochemical characteristics and heavy metal accumulation in mangrove sediment and plant: Acanthus ilicifolius as a potential phytoextractor. MARINE POLLUTION BULLETIN 2021; 173:113160. [PMID: 34808545 DOI: 10.1016/j.marpolbul.2021.113160] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 09/17/2021] [Accepted: 11/12/2021] [Indexed: 06/13/2023]
Abstract
The focus of this study was to determine the depth-wise variability of physicochemical properties (i.e., pH, TOC, TN, and EC), and heavy metals (i.e., Pb, Cu, Zn, As, and Cr) concentration, and the associated biological and ecological risks of the mangrove sediment. The accumulation of metal contents and the phytoremediation and phytoextraction were also investigated in a mangrove species, Acanthus ilicifolius. The mangrove sediment consists of a higher proportion of sand fraction (56.6-74.7%) followed by clay (10-28%) and silt (10.1-15. 7%) fractions. The concentrations (mg/kg) of Pb, Cu, Zn, As, and Cr were ranged from 22.05-34.3, 8.58-22.77, 85.07-114, 5.56-12.91, and 0.98-5.12 in all the sediment layers. The hierarchy of the mean metal concentration in sediment was Zn (102 mg/kg) > Pb (25.6 mg/kg) > Cu (14.8 mg/kg) > As (8.79 mg/kg) > Cr (2.74 mg/kg) respectively. The examined metal concentrations were below the respective average shale values (ASVs). The degree of environmental, ecological, and biological risks was minimal according to various pollution indices like geoaccumulation index (Igeo), contamination factor (CF), and pollution load index (PLI). According to sediment quality guidelines (SQGs), the adverse biological risk effect was not likely to occur. The result of the potential ecological risk index (PERI) demonstrated that the study area was in the low-risk condition as the corresponded RI value < 100. A combined influence of geogenic and anthropogenic factors was identified as the metal sources by multivariate analysis. The study found that the accumulation rate of the metal contents was higher in leaves than that of roots. The mean descending metal concentration values were Zn (107) > Pb (28. 7) > Cu (16.9) > As (11.2) > Cr (4.99) in leaves and Zn (104.32) > Pb (27.02) > Cu (15.29) > As (10.39) > Cr (3.80) in roots. The translocation and bioaccumulation factors of heavy metals suggested that the mangrove plant species, A. ilicifolius can be used for phytoremediation and phytoextraction since the bio-concentration factor and translocation factor > 1. The studied species exhibited the metal tolerance associated with two following strategies, metal exclusion, and metal accumulation. However, excess metal tolerance can impact the surrounding marine environment.
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Affiliation(s)
- M Safiur Rahman
- Chemistry Division, Atomic Energy Center, Bangladesh Atomic Energy Commission, 4-Kazi Nazrul Islam Avenue, Shahbag, Dhaka 1000, Bangladesh.
| | - Narottam Saha
- Sustainable Minerals Institute, Center for Mined Land Rehabilitation, The University of Queensland, St Lucia, QLD 4072, Australia.
| | | | | | | | - Bilkis A Begum
- Chemistry Division, Atomic Energy Center, Bangladesh Atomic Energy Commission, 4-Kazi Nazrul Islam Avenue, Shahbag, Dhaka 1000, Bangladesh.
| | - Yeasmin N Jolly
- Chemistry Division, Atomic Energy Center, Bangladesh Atomic Energy Commission, 4-Kazi Nazrul Islam Avenue, Shahbag, Dhaka 1000, Bangladesh
| | - Shrin Akhter
- Chemistry Division, Atomic Energy Center, Bangladesh Atomic Energy Commission, 4-Kazi Nazrul Islam Avenue, Shahbag, Dhaka 1000, Bangladesh
| | - Tasrina R Choudhury
- Chemistry Division, Atomic Energy Center, Bangladesh Atomic Energy Commission, 4-Kazi Nazrul Islam Avenue, Shahbag, Dhaka 1000, Bangladesh
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Ghosh S, Bakshi M, Mahanty S, Chaudhuri P. Understanding potentially toxic metal (PTM) induced biotic response in two riparian mangrove species Sonneratia caseolaris and Avicennia officinalis along river Hooghly, India: Implications for sustainable sediment quality management. MARINE ENVIRONMENTAL RESEARCH 2021; 172:105486. [PMID: 34638001 DOI: 10.1016/j.marenvres.2021.105486] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 09/17/2021] [Accepted: 09/20/2021] [Indexed: 06/13/2023]
Abstract
Elevated human-induced activities have prompted significant uncontrolled release of potentially toxic metals (PTM) to the undisturbed ecosystem throughout the globe. Riparian mangrove vegetations act as a natural purifier of wastewaters and assist in maintaining a healthy ecosystem. We have investigated the elevated PTM-induced stress and biotic response of two riparian mangrove species e.g. Sonneratia caseolaris and Avicennia officinalis by river Hooghly. The increased PTM concentrations were observed throughout the river bank; with the maximum pollution load at Chemaguri (S9). Except Co, Cr and Pb, higher enrichment factor (1.97-8.89) and contamination factor (0.64-2.88) values were observed for Cd, Cu, Fe, Zn. Mn, and Ni. Geo-accumulation index (-2.2 - 0.92) values indicates natural geogenic accumulation of Cu in the riparian mangrove sediment. Thus, sediment quality indices suggest except Cu, enrichment of all studied PTMs was sourced from anthropogenic activities. The sediment of the region when compared with consensus-based sediment quality guidelines shows considerable ecotoxicological risks and threat towards human health considering Ni accumulation. The highest potential ecological risk index value was observed in Chemaguri (S9). The biotic response of riparian mangroves was characterized by reduced photosyhthetic pigments (Chlorophyll a and Chlorophyll b) and increased activity of antioxidative stress enzymes (POD, CAT and SOD). Significant statistical relationship between antioxidative enzyme activity, photosynthetic pigments and bioaccumulated PTMs reflects active functioning of detoxification mechanism in the riparian mangrove species.
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Affiliation(s)
- Somdeep Ghosh
- Department of Environmental Science, University of Calcutta, West Bengal, India; Department of Environmental Studies, Maharaja Srischandra College, West Bengal, India
| | - Madhurima Bakshi
- Department of Environmental Science, University of Calcutta, West Bengal, India; Department of Environmental Studies, Seth Soorajmull Jalan Girls' College, West Bengal, India
| | - Shouvik Mahanty
- Department of Environmental Science, University of Calcutta, West Bengal, India
| | - Punarbasu Chaudhuri
- Department of Environmental Science, University of Calcutta, West Bengal, India.
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14
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Robin SL, Marchand C, Ham B, Pattier F, Laporte-Magoni C, Serres A. Influences of species and watersheds inputs on trace metal accumulation in mangrove roots. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 787:147438. [PMID: 34000538 DOI: 10.1016/j.scitotenv.2021.147438] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 04/23/2021] [Accepted: 04/26/2021] [Indexed: 06/12/2023]
Abstract
Mangrove forest is a key ecosystem between land and sea, and provides many services such as trapping sediments and contaminants. These contaminants include trace metals (TM) that can accumulate in mangroves soil and biota. This paper innovates by the comparative study of the effects of the watershed inputs on TM distribution in mangrove soil, on roots bioconcentration factors of two species (Avicennia marina and Rhizophora stylosa), and on Fe plaque formation and immobilization of these TM. Two mangrove forests in New Caledonia were chosen as study sites. One mangrove is located downstream ultramafic rocks and a Ni mine (ultrabasic site), whereas the second mangrove ends a volcano-sedimentary watershed (non-ultrabasic site). TM concentrations (Co, Cr, Cu, Fe, Hg, Mn, Ni, Pb, Zn) were measured in soil, porewaters, and roots of both species via ICP-OES or Hg analyzer. Analyzed TM were significantly more concentrated in soils at the ultrabasic site with Fe, Cr, and Ni the most abundant. Iron, Mn, and Ni were the most concentrated in the roots with mean values of 9,651, 192, and 133 mg kg-1 respectively. However, the bioconcentration factors (BCF) of Fe (0.16) and Ni (0.11) were low due to a lack of ions in the dissolved phase and potential uptake regulation. The uptake of TM by mangrove trees was influenced by concentrations in soil, but more importantly by their potential bioavailability and the physiological characteristics of each species. TM concentrations and BCF were lower for R. stylosa probably due to less permeable root system. A. marina limits TM absorption through Fe plaque formation on its pneumatophores with a capacity to retain TM up to 94% for Mn. Mean Fe plaque formation is potentially correlated to Fe concentration in soil. Eventually, framboids of pyrite were observed within root tissues in the epidermis of A. marina's pneumatophores.
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Affiliation(s)
- Sarah Louise Robin
- Institut de Sciences Exactes et Appliquées (ISEA EA7484), Université de la Nouvelle-Calédonie, 145 Avenue James Cook, Nouville, BP R4 98851, Nouméa Cedex, New Caledonia.
| | - Cyril Marchand
- Institut de Sciences Exactes et Appliquées (ISEA EA7484), Université de la Nouvelle-Calédonie, 145 Avenue James Cook, Nouville, BP R4 98851, Nouméa Cedex, New Caledonia
| | - Brian Ham
- Institut de Sciences Exactes et Appliquées (ISEA EA7484), Université de la Nouvelle-Calédonie, 145 Avenue James Cook, Nouville, BP R4 98851, Nouméa Cedex, New Caledonia
| | - France Pattier
- Institut de Sciences Exactes et Appliquées (ISEA EA7484), Université de la Nouvelle-Calédonie, 145 Avenue James Cook, Nouville, BP R4 98851, Nouméa Cedex, New Caledonia
| | - Christine Laporte-Magoni
- Institut de Sciences Exactes et Appliquées (ISEA EA7484), Université de la Nouvelle-Calédonie, 145 Avenue James Cook, Nouville, BP R4 98851, Nouméa Cedex, New Caledonia
| | - Arnaud Serres
- Institut de Sciences Exactes et Appliquées (ISEA EA7484), Université de la Nouvelle-Calédonie, 145 Avenue James Cook, Nouville, BP R4 98851, Nouméa Cedex, New Caledonia
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15
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Fuentes-Gandara F, Pinedo-Hernández J, Gutiérrez E, Marrugo-Negrete J, Díez S. Heavy metal pollution and toxicity assessment in Mallorquin swamp: A natural protected heritage in the Caribbean Sea, Colombia. MARINE POLLUTION BULLETIN 2021; 167:112271. [PMID: 33780754 DOI: 10.1016/j.marpolbul.2021.112271] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 03/01/2021] [Accepted: 03/09/2021] [Indexed: 06/12/2023]
Abstract
This work reports the level and ecotoxicity impact of metals in the sediments of the Mallorquín swamp, a protected coastal lagoon in the Caribbean coast of Colombia. The distribution of metals was in the following decreasing order: Zn > Cu > Pb > Cd > Hg, showing statistically significant differences among sites. The average Pb and Cd concentrations in sediments were about 17 and 5 times higher, respectively, compared to those in background values. Several contamination indices suggested moderate contamination of Hg, Cu, and Zn, and strong pollution due to Cd and Pb. Multivariate analysis revealed spatial variations for metals and its anthropogenic origin, such as municipal and industrial wastewater discharges (Pb, Zn, and Hg) and agricultural activities (Cd and Cu). These findings showed the negative impact of human activities and the need to apply protective management strategies.
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Affiliation(s)
- Fabio Fuentes-Gandara
- Department of Natural and Exact Sciences, Universidad de la Costa, Calle 58 N° 55-66, 080002 Barranquilla, Colombia
| | - José Pinedo-Hernández
- University of Córdoba, Faculty of Basic Sciences, Department of Chemistry, Water, Applied and Environmental Chemistry Group, Monteria, Colombia
| | - Edwin Gutiérrez
- University of Córdoba, Faculty of Basic Sciences, Department of Chemistry, Water, Applied and Environmental Chemistry Group, Monteria, Colombia
| | - José Marrugo-Negrete
- University of Córdoba, Faculty of Basic Sciences, Department of Chemistry, Water, Applied and Environmental Chemistry Group, Monteria, Colombia.
| | - Sergi Díez
- Environmental Chemistry Department, Institute of Environmental Assessment and Water Research, IDAEA-CSIC, E-08034 Barcelona, Spain.
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16
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Ali MR, Islam MA, Hossain MF, Hossain SM, Khan R, Naher K, Tamim U, Nahid F. Depth-wise elemental contamination trend in sediment cores of the Sundarbans mangrove forest, Bangladesh. J Radioanal Nucl Chem 2021. [DOI: 10.1007/s10967-021-07739-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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17
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Nath A, Samanta S, Banerjee S, Danda AA, Hazra S. Threat of arsenic contamination, salinity and water pollution in agricultural practices of Sundarban Delta, India, and mitigation strategies. SN APPLIED SCIENCES 2021. [DOI: 10.1007/s42452-021-04544-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
AbstractThe paper through a critical appraisal of the agricultural practices in the Indian Sundarban deltaic region explores the tripartite problems of arsenic biomagnification, salinity of arable lands and ingress of agrochemical pollutants into the freshwater resources, which endanger the health, livelihood and food security of the rural population inhabiting the delta. The threefold problem has rendered a severe blow to the agrarian economy consequently triggering large-scale outmigration of the rural population from the region. Although recent studies have addressed these issues separately, the inter-connectivity among these elements and their possible long-term impact upon sustainability in the Sundarbans are yet to be elucidated. In the current scenario, the study emphasizes that the depleting freshwater resources is at the heart of the threefold problems affecting the Sundarbans. Owing to the heavy siltation of the local river systems, freshwater resources from the local ravines have salinized beyond the point of being used for agricultural purposes. At the same time, increasing salinity levels resulting from fluctuation of pre- and post-monsoon rainfall, frequent cyclones and capillary movement of salinized groundwater (primarily during the Rabi season) have severely hampered the agricultural practices. Salinization of above groundwater reserves has forced the farmers toward utilization of groundwater, which are lifted using STWs, especially for rice and other cultivations in the Rabi season. The Holocene aquifers of the region retain toxic levels of arsenic which are lifted during the irrigation process and are deposited on to the agricultural fields, resulting in bioaccumulation of As in the food products resourced from the area. The compound effect of consuming arsenic-contaminated food and drinking water has resulted in severe health issues recorded among the local population in the delta. Furthermore, due to the sub-optimal conditions for sustaining agriculture under saline stress, farmers often opt for the cultivation of post-green revolution high-yielding varieties, which require additional inputs of nitrogen-based fertilizers, organophosphate herbicides and pesticides that are frequently washed away by runoff from the watershed into the low-lying catchment areas of the biosphere reserve. Such practices have endangered the vulnerable conditions of local flora and fauna. In the present situation, the study proposes mitigation strategies which necessitate the smart use of locally obtainable resources like water, adaptable cultivars and sustainable agronomic practices like organic farming. The study also suggests engaging of conventional plant breeding strategies such as “Evolutionary plant breeding” for obtaining cultivars adapted to the shifting ecological conditions of the delta in the long run.
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18
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Hossain MB, Rakib MRJ, Jolly YN, Rahman M. Metals uptake and translocation in salt marsh macrophytes, Porteresia sp. from Bangladesh coastal area. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 764:144637. [PMID: 33385646 DOI: 10.1016/j.scitotenv.2020.144637] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 12/14/2020] [Accepted: 12/14/2020] [Indexed: 06/12/2023]
Abstract
Studies from around the world have suggested salt marshes or coastal wetlands can be used as sites for phytoremediation of metals. However, no investigations have been conducted to assess metal accumulation and translocation capabilities of salt marsh macrophytes from Bangladesh coastal area. The aim of this study was to evaluate the uptake and translocation of eight metals, Fe, Zn, Mn, Cu, Co, Rb, Sr, and Pb in Porteresia sp. from the six salt marsh sites of Bangladesh. The leaf, shoots and root tissues of Porteresia sp. samples were analyzed for metals by using the energy-dispersive X-ray fluorescence (EDXRF). The decreasing trend of metal concentrations was, in roots; Fe > Mn > Pb > Cu > Zn > Sr > Rb > Co, in shoots; Mn >Fe > Cu > Pb > Zn > Sr > Rb > Co, in leaves; Fe > Mn > Cu > Pb > Zn > Rb > Sr > Co. Generally, roots of the Porteresia sp. showed high accumulation of the metals when compared to shoots and leaves suggesting relevant availability in the sediment. Pb was the only metal with concentrations significantly higher in the leaves and shoots than in the root. Except for Pb, bioaccumulation concentration factor (BCF) for all metals was lower than 1 in plant organs indicating poor absorption and bioavailability of metals. Higher value (>1) of BCF for Pb infers the species can potentially be used for Pb phytoremediation. However, the translocation factor (TF) confirmed the diversified mobility of the metals from below-ground part to above-ground parts for all the measured metals in the salt marsh species. Highest mobility was observed for Mn and Pb. But it was hard to find any regular trends among all the metals and all the sites.
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Affiliation(s)
- M Belal Hossain
- Department of Fisheries and Marine Science, Faculty of Science, Noakhali Science and Technology University, Noakhali, Bangladesh.
| | - Md Refat Jahan Rakib
- Department of Fisheries and Marine Science, Faculty of Science, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Y N Jolly
- Atmospheric and Environmental Chemistry Laboratory, Atomic Energy Centre, Dhaka 1000, Bangladesh
| | - Mostafizur Rahman
- Department of Environmental Sciences, Jahangirnagar University, Dhaka 1342, Bangladesh
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19
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Basu S, Chanda A, Gogoi P, Bhattacharyya S. Organochlorine pesticides and heavy metals in the zooplankton, fishes, and shrimps of tropical shallow tidal creeks and the associated human health risk. MARINE POLLUTION BULLETIN 2021; 165:112170. [PMID: 33621901 DOI: 10.1016/j.marpolbul.2021.112170] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 02/08/2021] [Accepted: 02/10/2021] [Indexed: 06/12/2023]
Abstract
Studies on organochlorine pesticides (OCPs) and heavy metals (HMs) from tidal creeks are scarce. Sixteen OCPs and seven HMs were measured in the surface water, zooplankton, two fishes (Harpadon nehereus and Pampus argenteus), and one shrimp (Penaeus indicus) collected from three tidal creeks of the Indian Sundarban. The surface water was polluted by hexachlorocyclohexane isomers (ΣHCH: 525-1581 ng l-1), dichlorodiphenyltrichloroethane congeners (ΣDDT: 188-377 ng l-1), endosulfan congeners (ΣEND: 687-1474 ng l-1), and other OCPs (512-1334 ng l-1). However, the mean HM concentrations in the surface water were <1 μg l-1. The zooplankton community exhibited bioaccumulation of both OCPs and HMs. Aldrin, Heptachlor, and α-HCH levels in the edible biotas could lead to cancer. Co and Cd levels could lead to non-cancerous risks, and Pb levels could pose a cancerous risk. This study showed that creeks could be potential sites of both OCP and HM pollution.
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Affiliation(s)
- Sanghamitra Basu
- School of Environmental Studies, Jadavpur University, Kolkata, West Bengal 700032, India
| | - Abhra Chanda
- School of Oceanographic Studies, Jadavpur University, Kolkata, West Bengal 700032, India.
| | - Pranab Gogoi
- Central Inland Fisheries Research Institute, CGO Complex, DF Block, Kolkata 700064, West Bengal, India
| | - Subarna Bhattacharyya
- School of Environmental Studies, Jadavpur University, Kolkata, West Bengal 700032, India.
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20
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Chowdhury A, Naz A, Maiti SK. Bioaccumulation of potentially toxic elements in three mangrove species and human health risk due to their ethnobotanical uses. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:10.1007/s11356-021-12566-w. [PMID: 33638081 DOI: 10.1007/s11356-021-12566-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 01/15/2021] [Indexed: 06/12/2023]
Abstract
The aim of this study was to assess probabilistic human health risk due to ethnobotanical usage of Avicennia officinalis, Porteresia coarctata and Acanthus ilicifolius. The study was conducted at the tannery outfall near Sundarban (Ramsar wetland, India) mangrove ecosystem affected by potentially toxic elements (Cd, Cr, Cu, Hg, Mn, Ni, Pb, and Zn). Total metal concentrations (mg kg-1) were considerably higher in the polluted rhizosphere namely, Cd (1.05-1.97), Cu (36.3-38.6), Cr (144-184), Hg (0.04-0.19), Mn (163-184), Ni (37.7-46.4), Pb (20-36.6), and Zn (97-104). Ecological risk index indicated low to moderate ecological risk in this site, whereas the ecological risk factor showed high potential ecological risk due to Cd pollution. BCR Sequential extraction of metals showed more exchangeable fraction of Cd (47-55%), Cr (9-13%), Hg (11-13%), and Pb (11-15%), at the polluted site. Mercury, though present in trace amount in sediment, showed the highest bioaccumulation in all the three plants. Among the toxic trio, Hg showed the highest bioaccumulation in A. officinalis, Cd in P. coarctata but Pb has the lowest bioaccumulation potential in all the three species. Occasional fruit consumption of A. officinalis and dermal application of leaf, bark of A. officinalis (antimicrobial), A. ilicifolius (anti-inflammatory, pain reliever when applied on wounds) indicated negligible human health risk. However, long-term consumption of P. coarctata (wild rice variety) seeds posed health risk (THQ>1) both in adults and children age groups. This study concludes that nature of ethnobotanical use and metal contamination levels of the mangrove rhizosphere can impact human health. The transfer process of potentially toxic elements from rhizosphere to plants to human body should be considered while planing pollution mitigation measures. Graphical Abstract.
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Affiliation(s)
- Abhiroop Chowdhury
- School of Environment & Sustainability, O.P. Jindal Global University, Sonipat, Haryana, 131001, India.
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India.
| | - Aliya Naz
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India
| | - Subodh Kumar Maiti
- Department of Environmental Science and Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India
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Costa ES, Sá F, Gomes LEO, Silva CA, Lima AT, Lehrback BD, Neto RR. Can severe drought periods increase metal concentrations in mangrove sediments? A case study in eastern Brazil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 748:142443. [PMID: 33113677 DOI: 10.1016/j.scitotenv.2020.142443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 09/07/2020] [Accepted: 09/13/2020] [Indexed: 06/11/2023]
Abstract
Mangrove ecosystems are essential to society, providing ecological and economic services, and play a crucial role in the geochemical land-ocean interface as a sink for potentially toxic metals. This study assessed metals (Al, Ba, Cd, Cr, Cu, Fe, Mn, Ni, Pb, Sr and Zn) and arsenic in sediments from three mangrove zones (Tidal Flat, Rhizophora mangle L. and Avicennia schaueriana Stapf & Leechman ex Moldenke forests) during two seasons: spring of 2015 and autumn of 2016, with the latter being a severe drought year. Overall results suggest that Fe/Mn oxyhydroxides and clay minerals control the distribution of metal and arsenic in the Tidal Flat zone. In the mangrove forest however, sulfur and organic matter dominate complexation, with Fe mainly present as insoluble sulfide, and As, Cd, Cu and Zn as metal sulfides or organometallic complexes. In the autumn of 2016, all elements except Cd and Pb had lower concentrations compared to the spring of 2015. Cd and Pb were probably transferred from sources other than mangrove sediments, due to increased saline water intrusion, a consequence of reduced riverine flow, and precipitated in the Rhizophora mangle and Avicennia schaueriana mangrove forests. This increase of Cd and Pb in the mangrove forest suggests potential storage of metal contaminants in the organic rich areas, a change in availability and potential toxicity to fauna and flora and a need for regulatory responses to sediment quality. These results indicate a change in sediment metal contaminant dynamics with the increasing occurrence of extreme weather events - an increased risk to the ecosystem.
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Affiliation(s)
- E S Costa
- Laboratório de Geoquímica Ambiental (LabGAm), Departamento de Oceanografia e Ecologia, Universidade Federal do Espírito Santo, Vitória, ES, Brazil.
| | - F Sá
- Laboratório de Geoquímica Ambiental (LabGAm), Departamento de Oceanografia e Ecologia, Universidade Federal do Espírito Santo, Vitória, ES, Brazil
| | - L E O Gomes
- Grupo de Ecologia Bêntica, Departamento de Oceanografia e Ecologia, Universidade Federal do Espírito Santo, Av. Fernando Ferrari, 514, Goiabeiras, Vitória, ES 29055-460, Brazil
| | - C A Silva
- Laboratório de Geoquímica Ambiental (LabGAm), Departamento de Oceanografia e Ecologia, Universidade Federal do Espírito Santo, Vitória, ES, Brazil
| | - A T Lima
- Department of Civil Engineering, Technical University of Denmark, Denmark
| | - B D Lehrback
- Laboratório de Geoquímica Ambiental (LabGAm), Departamento de Oceanografia e Ecologia, Universidade Federal do Espírito Santo, Vitória, ES, Brazil
| | - R R Neto
- Laboratório de Geoquímica Ambiental (LabGAm), Departamento de Oceanografia e Ecologia, Universidade Federal do Espírito Santo, Vitória, ES, Brazil
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Singh JK, Kumar P, Kumar R. Ecological risk assessment of heavy metal contamination in mangrove forest sediment of Gulf of Khambhat region, West Coast of India. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-03890-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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23
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Rajaram R, Ganeshkumar A, Muralisankar T, Sivaperumal P. Bioaccumulation of metals in mangroves and salt marshes collected from Tuticorin coast of Gulf of Mannar marine biosphere reserve, Southeastern India. MARINE POLLUTION BULLETIN 2020; 160:111599. [PMID: 32877770 DOI: 10.1016/j.marpolbul.2020.111599] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/17/2020] [Accepted: 08/22/2020] [Indexed: 06/11/2023]
Abstract
Three species of mangroves and six species of salt marshes were collected from various locations along the Tuticorin coast for the estimation of metals like Cu, Cd, Pb, and Zn. The bioaccumulation of metals in mangroves is in the order of Cu > Pb > Zn > Cd, and the season-wise accumulation was higher in monsoon followed by summer, post-monsoon, and pre-monsoon seasons. The accumulation of metals in mangroves showed higher in Rhizophoraapiculata followed by Avicenniamarina, and Rhizophoramucronata. The concentration of metals in salt marshes is in the order of Pb > Zn > Cu > Cd, and the species-wise accumulation showed in the order of Suaeda maritime > Ipomoea sp. > Suaeda sp. > Spinifix littoreous > Sesuvium portacastrum > Ipomoea pes-capras. BAF in salt marhes and mangroves is as Cd < Pb < Cu < Zn and Cd < Cu < Pb < Zn, respectively.
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Affiliation(s)
- R Rajaram
- Department of Marine Science, Bharathidasan University, Tiruchirappalli 620 024, Tamil Nadu, India.
| | - A Ganeshkumar
- Department of Marine Science, Bharathidasan University, Tiruchirappalli 620 024, Tamil Nadu, India
| | - T Muralisankar
- Department of Zoology, Bharathiar University, Coimbatore 641 046, Tamil Nadu, India
| | - P Sivaperumal
- Department of Pharmacology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical & Technical Sciences (SIMATS), Chennai 600 077, Tamil Nadu, India
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Aljahdali MO, Alhassan AB. Ecological risk assessment of heavy metal contamination in mangrove habitats, using biochemical markers and pollution indices: A case study of Avicennia marina L. in the Rabigh lagoon, Red Sea. Saudi J Biol Sci 2020; 27:1174-1184. [PMID: 32256181 PMCID: PMC7105697 DOI: 10.1016/j.sjbs.2020.02.004] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 02/01/2020] [Accepted: 02/02/2020] [Indexed: 01/31/2023] Open
Abstract
Contamination of mangrove ecosystems, including those of the Red Sea area, has caused serious concern globally. Spatial distribution of heavy metals and their bioaccumulation in one of the common mangrove plants of Saudi Arabia, Avicennia marina L., was evaluated in 8 stations at the Rabigh lagoon to assess the ecological risks due to heavy metal contamination. Among all the heavy metals, Fe concentration was recorded highest (8939.38 ± 312.63 mg/kg) at station S4. Contamination factor (CF) values for all heavy metals determined in this study were recorded in ascending order as Cu < Cr < Mn < Zn < Fe < Ni < Pb < Cd, with the pollution load index pattern recorded in descending order as S6 > S4 > S3 > S5 > S7 > S1 > S8 > S2. Bio-concentration factor (BCF) was <1 for all the heavy metals and there was a positive correlation between the antioxidants and lead (Pb), which can be a result of the ability of A. marina to exclude or detoxify this metal by its mechanism of exclusion or detoxification. A significant correlation existed between the heavy metals concentration in sediment and A. marina leaves at one combination or the other, except for Cu and Cd, which do not correlate with any other metal concentration. The information provided in the present study can be used in the monitoring and measurement of heavy metal pollution in marine ecosystems or other aquatic environments, to prevent several ecological risks to the mangrove ecosystem.
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Affiliation(s)
- Mohammed O Aljahdali
- Department of Biological Sciences, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Abdullahi Bala Alhassan
- Department of Biological Sciences, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
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25
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Spatial Variation of Metallic Contamination and Its Ecological Risk in Sediment and Freshwater Mollusk: Melanoides tuberculata (Müller, 1774) (Gastropoda: Thiaridae). WATER 2020. [DOI: 10.3390/w12010206] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Heavy metal pollution has been on the rise with serious implications for the wellbeing of aquatic ecosystems. Benthic sediments and freshwater mollusk (snail): Mellanoides tuberculata were sampled from five stations for determination of heavy metals concentrations and measurement of antioxidant enzyme activities. The spatial variation was studied using an enrichment factor, potential ecological risk index, and mean probable effect limit quotient (mPELq). From the results, Cu, Zn, Cd, Cr, Pb, Ni, and Co contamination levels were high at stations S3, S4, and S5 with an mPEL quotient of 94.40%. The variation of metal concentration and Enrichment factor were in the order S5 > S3 > S4 > S2 > S1, which was attributed to anthropogenic influences at the catchment due to industrial activities and atmospheric deposition of metals. Station five in this study is downstream and requires the most monitoring and management to prevent several ecological risks of metal pollutants in River Kaduna.
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Kumar S, Karmoker J, Pal BK, Luo C, Zhao M. Trace metals contamination in different compartments of the Sundarbans mangrove: A review. MARINE POLLUTION BULLETIN 2019; 148:47-60. [PMID: 31422302 DOI: 10.1016/j.marpolbul.2019.07.063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 07/16/2019] [Accepted: 07/25/2019] [Indexed: 06/10/2023]
Abstract
This review study aimed to decipher distribution of trace metals (Al, As, Cd, Cr, Cu, Hg, Pb, Ni, Mn, V, and Zn) in different compartments and human health risk in the Sundarbans mangrove ecosystems. The literature suggested relatively higher contamination of soils and sediments than fish, crustaceans, and water. Cd, Fe, Ni, and Pb are most likely to accumulate in roots of mangrove trees, while Al, As, Co, Cr, Cu, Mn, and Zn tend to accumulate in the leaves. According to human health risk studies, fish consumption is the main route of trace metals exposure to human. Majority of the studies conducted in the Indian Sundarbans; whereas, in Bangladesh part, there is an evident lack of such kind of studies. Finally, this review highlights the foremost data and research gaps, which will help to refine the risk of trace metals and scarcity of researches in the Sundarbans mangrove ecosystem.
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Affiliation(s)
- Sazal Kumar
- Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; Innovation Academy of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou 510301, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Joyanto Karmoker
- Department of Applied Chemistry and Chemical Engineering, Islamic University, Kushtia 7003, Bangladesh
| | - Biplob Kumer Pal
- Department of Applied Chemistry and Chemical Engineering, Islamic University, Kushtia 7003, Bangladesh
| | - Chuanxiu Luo
- Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; Innovation Academy of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou 510301, China
| | - Meixia Zhao
- Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; Innovation Academy of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou 510301, China.
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27
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Lei P, Zhong H, Duan D, Pan K. A review on mercury biogeochemistry in mangrove sediments: Hotspots of methylmercury production? THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 680:140-150. [PMID: 31112813 DOI: 10.1016/j.scitotenv.2019.04.451] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 04/30/2019] [Accepted: 04/30/2019] [Indexed: 06/09/2023]
Abstract
Wetlands are highly productive and biologically diverse environments that provide numerous ecosystem services, but can also be sources of methylmercury (MeHg) production and export. Mangrove wetlands contribute up to 15% of the coastal sediment carbon storage and ~10% of the particulate terrestrial carbon exported to the ocean. Thus, mercury (Hg) methylation in mangrove sediments and subsequent MeHg output to adjacent waters could have a great impact on global Hg cycling. In this review, we provide a comprehensive analysis of the literature on worldwide Hg concentrations in mangrove ecosystems, and the results reveal that a large range of total Hg (THg) and MeHg concentrations is detected in mangrove systems. Then, we discuss the potential roles of organic matter (OM) in controlling the Hg biogeochemistry in mangrove sediments. The intense OM decomposition by anoxic reduction (e.g., sulfate reduction) drastically affects sediment chemistries, such as redox potential, pH, and sulfur speciation, all of which may have a great impact on MeHg production. While the outwelling of carbon from mangroves has been extensively examined, little is known about their roles in exporting MeHg to adjacent waters. Our understanding of Hg biogeochemical processes in mangrove systems is constrained by the limited MeHg data and a lack of in-depth studies on the Hg methylation potential in this ecologically important environment. More efforts are needed to gain better insights into the contributions mangrove wetlands to the global Hg cycle.
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Affiliation(s)
- Pei Lei
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China; Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China; State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210046, China
| | - Huan Zhong
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210046, China; Environmental and Life Science Program (EnLS), Trent University, Peterborough, Ontario, Canada
| | - Dandan Duan
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
| | - Ke Pan
- Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China.
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28
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Thanh-Nho N, Marchand C, Strady E, Huu-Phat N, Nhu-Trang TT. Bioaccumulation of some trace elements in tropical mangrove plants and snails (Can Gio, Vietnam). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 248:635-645. [PMID: 30849582 DOI: 10.1016/j.envpol.2019.02.041] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 01/12/2019] [Accepted: 02/14/2019] [Indexed: 06/09/2023]
Abstract
Mangrove sediments can store high amount of pollutants that can be more or less bioavailable depending on environmental conditions. When in available forms, these elements can be subject to an uptake by mangrove biota, and can thus become a problem for human health. The main objective of this study was to assess the distribution of some trace elements (Fe, Mn, Co, Ni, Cr, As, and Cu) in tissues of different plants and snails in a tropical mangrove (Can Gio mangrove Biosphere Reserve) developing downstream a megacity (Ho Chi Minh City, Vietnam). In addition, we were interested in the relationships between mangrove habitats, sediment quality and bioaccumulation in the different tissues studied. Roots and leaves of main mangrove trees (Avicennia alba and Rhizophora apiculata) were collected, as well as different snail species: Chicoreus capucinus, Littoraria melanostoma, Cerithidea obtusa, Nerita articulata. Trace elements concentrations in the different tissues were determined by ICP-MS after digestion with concentrated HNO3 and H2O2. Concentrations differed between stands and tissues, showing the influence of sediment geochemistry, species specific requirements, and eventually adaptation abilities. Regarding plants tissues, the formation of iron plaque on roots may play a key role in preventing Fe and As translocation to the aerial parts of the mangrove trees. Mn presented higher concentrations in the leaves than in the roots, possibly because of physiological requirements. Non-essential elements (Ni, Cr and Co) showed low bioconcentration factors (BCF) in both roots and leaves, probably resulting from their low bioavailability in sediments. Regarding snails, essential elements (Fe, Mn, and Cu) were the dominant ones in their tissues. Most of snails were "macroconcentrators" for Cu, with BCF values reaching up to 42.8 for Cerithidea obtusa. We suggest that high quantity of As in all snails may result from its high bioavailability and from their ability to metabolize As.
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Affiliation(s)
- Nguyen Thanh-Nho
- Department of Analytical Chemistry, Faculty of Chemistry, University of Science, Vietnam National University Ho Chi Minh City, Viet Nam; IMPMC, Institut de Recherche pour le Développement (IRD), UPMC, CNRS, MNHN, Noumea, New Caledonia, France.
| | - Cyril Marchand
- Department of Analytical Chemistry, Faculty of Chemistry, University of Science, Vietnam National University Ho Chi Minh City, Viet Nam; IMPMC, Institut de Recherche pour le Développement (IRD), UPMC, CNRS, MNHN, Noumea, New Caledonia, France; Université de la Nouvelle-Calédonie (UNC), PPME, EA 3325, BP R4, 98 851, Noumea, New Caledonia, France
| | - Emilie Strady
- Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP*, IGE, F-38000, Grenoble, France; CARE-HCMUT, Ho Chi Minh City, Viet Nam
| | - Nguyen Huu-Phat
- Department of Analytical Chemistry, Faculty of Chemistry, University of Science, Vietnam National University Ho Chi Minh City, Viet Nam
| | - Tran-Thi Nhu-Trang
- Faculty of Chemical Engineering and Food Technology, Nguyen Tat Thanh University, Viet Nam
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29
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Rahman MS, Hossain MB, Babu SMOF, Rahman M, Ahmed ASS, Jolly YN, Choudhury TR, Begum BA, Kabir J, Akter S. Source of metal contamination in sediment, their ecological risk, and phytoremediation ability of the studied mangrove plants in ship breaking area, Bangladesh. MARINE POLLUTION BULLETIN 2019; 141:137-146. [PMID: 30955718 DOI: 10.1016/j.marpolbul.2019.02.032] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 02/12/2019] [Accepted: 02/14/2019] [Indexed: 05/09/2023]
Abstract
Samples for sediment and two species of native mangrove plants were collected from seven sampling sites for assessing the level of metal contamination. Results of the studied metals displayed the order of pollution as Fe > Ti > Zr > Rb > Zn > Sr > Pb > Y > Cu > Cr > As accordingly. Geoaccumulation index and contamination factor revealed that the sediment samples were unpolluted to moderately polluted by Zn, Fe, Ti, Rb, Y, and Zr. Ecological risk factor depicted a pollution-free condition in the study areas. PCA, CA, and correlation coefficient indicated that the source of the metals in the environment was anthropogenic. Bioconcentration factor values were found to be below 1 in both plant species. Conversely, transfer factor values for most heavy metals were found to be >1 in both plant species, which reflects the phytoremediation ability of plants.
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Affiliation(s)
- M Safiur Rahman
- Atmospheric and Environmental Chemistry Laboratory, Chemistry Division, Atomic Energy Centre Dhaka (AECD), GPO Box 164, Dhaka 1000, Bangladesh
| | - M Belal Hossain
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Sonapur 3814, Bangladesh.
| | - S M Omar Faruque Babu
- Atmospheric and Environmental Chemistry Laboratory, Chemistry Division, Atomic Energy Centre Dhaka (AECD), GPO Box 164, Dhaka 1000, Bangladesh
| | - Moshiur Rahman
- Atmospheric and Environmental Chemistry Laboratory, Chemistry Division, Atomic Energy Centre Dhaka (AECD), GPO Box 164, Dhaka 1000, Bangladesh
| | - A S Shafiuddin Ahmed
- Atmospheric and Environmental Chemistry Laboratory, Chemistry Division, Atomic Energy Centre Dhaka (AECD), GPO Box 164, Dhaka 1000, Bangladesh
| | - Y N Jolly
- Atmospheric and Environmental Chemistry Laboratory, Chemistry Division, Atomic Energy Centre Dhaka (AECD), GPO Box 164, Dhaka 1000, Bangladesh
| | - T R Choudhury
- Atmospheric and Environmental Chemistry Laboratory, Chemistry Division, Atomic Energy Centre Dhaka (AECD), GPO Box 164, Dhaka 1000, Bangladesh
| | - B A Begum
- Atmospheric and Environmental Chemistry Laboratory, Chemistry Division, Atomic Energy Centre Dhaka (AECD), GPO Box 164, Dhaka 1000, Bangladesh
| | - J Kabir
- Atmospheric and Environmental Chemistry Laboratory, Chemistry Division, Atomic Energy Centre Dhaka (AECD), GPO Box 164, Dhaka 1000, Bangladesh
| | - S Akter
- Atmospheric and Environmental Chemistry Laboratory, Chemistry Division, Atomic Energy Centre Dhaka (AECD), GPO Box 164, Dhaka 1000, Bangladesh
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30
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Hossain MB, Shanta TB, Ahmed ASS, Hossain MK, Semme SA. Baseline study of heavy metal contamination in the Sangu River estuary, Chattogram, Bangladesh. MARINE POLLUTION BULLETIN 2019; 140:255-261. [PMID: 30803641 DOI: 10.1016/j.marpolbul.2019.01.058] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 01/15/2019] [Accepted: 01/28/2019] [Indexed: 05/24/2023]
Abstract
Sediment samples were collected from twelve selected sites of the Sangu River estuary and seven metals (As, Cr, Cu, Cd, Pb, Ni, Zn) were analyzed with Inductively Coupled Plasma-mass Spectrometry (ICP-MS) to assess the contamination degree of heavy metals in the Sangu River estuary and to represent it as a reference site. This study revealed the descending order of studied metals (mg/kg) observed in sediment as Zn (88.97 ± 58.97) > Ni (32.75 ± 16.09) > Cu (29.2 ± 10.78) > Cr (25.14 ± 5.20) > Pb (19.57 ± 7.01) > As (2.58 ± 2.55). Cadmium was observed below the detection level. Various indices like geo-accumulation index (Igeo), contamination factor (CF), pollution load index (PLI) suggested that the Sangu River estuary is not contaminated by studied metals excepting Pb. PCA and correlation matrix analysis indicates that Pb and Zn may have anthropogenic sources and As, Ni, Zn, Cu, Cr may come from natural sources.
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Affiliation(s)
- Mohammad Belal Hossain
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali, Bangladesh.
| | - Trisha Biswas Shanta
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - A S Shafiuddin Ahmed
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Md Kamal Hossain
- Soil and Environment Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka, Bangladesh
| | - Sanjida Afrin Semme
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali, Bangladesh
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31
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Bakshi M, Ghosh S, Chakraborty D, Hazra S, Chaudhuri P. Assessment of potentially toxic metal (PTM) pollution in mangrove habitats using biochemical markers: A case study on Avicennia officinalis L. in and around Sundarban, India. MARINE POLLUTION BULLETIN 2018; 133:157-172. [PMID: 30041303 DOI: 10.1016/j.marpolbul.2018.05.030] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 05/09/2018] [Accepted: 05/16/2018] [Indexed: 06/08/2023]
Abstract
Spatial distribution of potentially toxic metals (PTMs) and their accumulation in mangrove Avicennia officinalis L. were studied along 8 locations in and around Sundarban mangrove wetland, India. Among 8 locations, S3 (Chemaguri) and S5 (Ghushighata) showed higher concentration of PTMs (Cd, Cr, Cu, Ni, Pb, Zn) characterized by higher enrichment factors (3.45-10.03), geo-accumulation indices (0.04-1.22), contamination factors (1.14-3.51) and pollution load indices (1.3-1.45) indicating progressive deterioration of estuarine quality and considerable ecotoxicological risk. Metal concentration in A. officinalis leaves showed significant correlation with sediment metals implying elevated level of bioaccumulation. Significant statistical correlation between photosynthetic pigments (Chlorophyll a, Chlorophyll b), antioxidant response (free radical scavenging and reducing ability) and stress enzymatic activity (Peroxidase, Catalase, Super-oxide dismutase) of A. officinalis with increasing metal concentration in the contaminated locations reflects active detoxification mechanism of the plant. The study indicates the potentiality of biomonitoring metal pollution using studied biochemical markers in mangrove habitats.
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Affiliation(s)
- Madhurima Bakshi
- Department of Environmental Science, University of Calcutta, India
| | - Somdeep Ghosh
- Department of Environmental Science, University of Calcutta, India
| | | | - Sugata Hazra
- School of Oceanographic Studies, Jadavpur University, India
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32
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Kaewtubtim P, Meeinkuirt W, Seepom S, Pichtel J. Phytomanagement of radionuclides and heavy metals in mangrove sediments of Pattani Bay, Thailand using Avicennia marina and Pluchea indica. MARINE POLLUTION BULLETIN 2018; 127:320-333. [PMID: 29475668 DOI: 10.1016/j.marpolbul.2017.12.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Revised: 12/05/2017] [Accepted: 12/07/2017] [Indexed: 06/08/2023]
Abstract
This study determines uptake and accumulation of radionuclides and heavy metals by Pluchea indica and Avicennia marina and evaluates phytoremediation potential via greenhouse and field experiments. P. indica and A. marina are considered excluders for 40K and 262Ra, and Pb since roots accumulated them in higher quantities compared to other plant parts, and the bioconcentration factor (BCF) and transfer factor (TF) values for Pb, and 40K and 262Ra were >1, respectively. Absorbed dose rate in air (D) showed significant values in sediments, which were generally over the maximum recommended value of 55nGyh-1. Phytostabilization of radionuclides and heavy metals may serve as an appropriate strategy for mangrove-polluted areas. D values in sediments were considered sufficiently high to recommend long-term monitoring. Radionuclide activities may increase in the food chain via uptake and accumulation of edible plants, ultimately resulting in harm to human health.
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Affiliation(s)
- Pungtip Kaewtubtim
- Department of Science, Faculty of Science and Technology, Prince of Songkla University Pattani Campus, Pattani 94000, Thailand
| | | | - Sumalee Seepom
- Department of Science, Faculty of Science and Technology, Prince of Songkla University Pattani Campus, Pattani 94000, Thailand
| | - John Pichtel
- Ball State University, Natural Resources and Environmental Management, Muncie, IN 47306, USA
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33
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Chowdhury R, Favas PJC, Jonathan MP, Venkatachalam P, Raja P, Sarkar SK. Bioremoval of trace metals from rhizosediment by mangrove plants in Indian Sundarban Wetland. MARINE POLLUTION BULLETIN 2017; 124:1078-1088. [PMID: 28187966 DOI: 10.1016/j.marpolbul.2017.01.047] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 01/18/2017] [Accepted: 01/24/2017] [Indexed: 06/06/2023]
Abstract
The study accentuated the trace metal accumulation and distribution pattern in individual organs of 13 native mangrove plants along with rhizosediments in the Indian Sundarban Wetland. Enrichment of the essential micronutrients (Mn, Fe, Zn, Cu, Co, Ni) was recorded in all plant organs in comparison to non-essential ones, such as Cr, As, Pb, Cd, Hg. Trunk bark and root/pneumatophore showed maximum metal accumulation efficiency. Rhizosediment recorded manifold increase for most of the trace metals than plant tissue, with the following descending order: Fe>Mn>Zn>Cu>Pb>Ni>Cr>Co>As>Cd>Hg. Concentrations of Cu, Ni, Pb and Hg were found to exceed prescribed sediment quality guidelines (SQGs) indicating adverse effect on adjacent biota. Both index of geoaccumulation (Igeo) and enrichment factor (EF) also indicated anthropogenic contamination. Based on high (>1) translocation factor (TF) and bioconcentration factor (BCF) values Sonneratiaapetala and Avicenniaofficinalis could be considered as potential accumulators, of trace metals.
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Affiliation(s)
- Ranju Chowdhury
- Department of Marine Science, University of Calcutta, 35, Ballygunge Circular Road, Calcutta 700019, West Bengal, India.
| | - Paulo J C Favas
- University of Trás-os-Montes e Alto Douro, UTAD, School of Life Sciences and the Environment, Quinta de Prados, 5000-801 Vila Real, Portugal; MARE - Marine and Environmental Sciences Centre, Faculty of Sciences and Technology, University of Coimbra, 3004-517 Coimbra, Portugal
| | - M P Jonathan
- Centro Interdisciplinario de Investigaciones Estudios sobre Medio, Ambiente Desarrollo (CIIEMAD), Instituto Polit'ecnicoNacional (IPN), Calle de Junio de Barrio la Laguna Ticom'an C.P., Del. Gustavo A. Madero, Mexico, D.F., Mexico
| | | | - P Raja
- ICAR-Indian Institute of Soil & Water Conservation, Fernhill, Udhagamandalam 643004, Tamil Nadu, India
| | - Santosh Kumar Sarkar
- Department of Marine Science, University of Calcutta, 35, Ballygunge Circular Road, Calcutta 700019, West Bengal, India
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Islam MA, Al-Mamun A, Hossain F, Quraishi SB, Naher K, Khan R, Das S, Tamim U, Hossain SM, Nahid F. Contamination and ecological risk assessment of trace elements in sediments of the rivers of Sundarban mangrove forest, Bangladesh. MARINE POLLUTION BULLETIN 2017; 124:356-366. [PMID: 28760588 DOI: 10.1016/j.marpolbul.2017.07.059] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 07/23/2017] [Accepted: 07/25/2017] [Indexed: 06/07/2023]
Abstract
In this study, total concentrations of 16 trace elements (Al, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Cd, Sb, Hg, Pb, Th and U) in sediments of the rivers of the Sundarban mangrove forest, after the catastrophic oil spill accident in the Sela river of Sundarban, were determined. The overall mean concentrations of V, Cr, Fe and Cd in surface sediments of the Sundarban are remarkably higher than available literature data of those elements. Trace element contamination assessment, using different environmental contamination indices, reveals that As, Sb, Th and U are low to moderately contaminated while Cd is moderately to severely contaminated in the sediments of this area. The multivariate statistical analyses were applied to reveal the origin and behavior of the elements during their transport in the mangrove ecosystem. High Cr, Ni, Cu and As concentrations suggest the risk of potentially adverse biological effects in the ecosystem.
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Affiliation(s)
- M A Islam
- Institute of Nuclear Science & Technology, Atomic Energy Research Establishment, Ganakbari, Ashulia, Dhaka 1349, Bangladesh.
| | - A Al-Mamun
- Physics Discipline, Khulna University, Khulna 9208, Bangladesh
| | - F Hossain
- Department of Physics, Jessore University of Science & Technology, Jessore 7408, Bangladesh
| | - S B Quraishi
- Chemistry Division, Atomic Energy Centre Dhaka, 4 Kazi Nazrul Islam Avenue, Dhaka, Bangladesh
| | - K Naher
- Institute of Nuclear Science & Technology, Atomic Energy Research Establishment, Ganakbari, Ashulia, Dhaka 1349, Bangladesh
| | - R Khan
- Institute of Nuclear Science & Technology, Atomic Energy Research Establishment, Ganakbari, Ashulia, Dhaka 1349, Bangladesh
| | - S Das
- Institute of Nuclear Science & Technology, Atomic Energy Research Establishment, Ganakbari, Ashulia, Dhaka 1349, Bangladesh
| | - U Tamim
- Institute of Nuclear Science & Technology, Atomic Energy Research Establishment, Ganakbari, Ashulia, Dhaka 1349, Bangladesh
| | - S M Hossain
- Institute of Nuclear Science & Technology, Atomic Energy Research Establishment, Ganakbari, Ashulia, Dhaka 1349, Bangladesh
| | - F Nahid
- Physics Discipline, Khulna University, Khulna 9208, Bangladesh
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Campos V, Lessa SS, Ramos RL, Shinzato MC, Medeiros TAM. Disturbance response indicators of Impatiens walleriana exposed to benzene and chromium. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2017; 19:709-717. [PMID: 28398075 DOI: 10.1080/15226514.2017.1284745] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The purpose of this study was to evaluate the remediation potential and disturbance response indicators of Impatiens walleriana exposed to benzene and chromium. Numerous studies over the years have found abundant evidence of the carcinogenicity of benzene and chromium (VI) in humans. Benzene and chromium are two toxic industrial chemicals commonly found together at contaminated sites, and one of the most common management strategies employed in the recovery of sites contaminated by petroleum products and trace metals is in situ remediation. Given that increasing interest has focused on the use of plants as depollution agents, direct injection tests and benzene misting were performed on I. walleriana to evaluate the remediation potential of this species. I. walleriana accumulated hexavalent chromium, mainly in the root system (164.23 mg kg-1), to the detriment of the aerial part (39.72 mg kg-1), and presented visible damage only at the highest concentration (30 mg L-1). Unlike chromium (VI), chromium (III) was retained almost entirely by the soil, leaving it available for removal by phytotechnology. However, after the contamination stopped, I. walleriana responded positively to the detoxification process, recovering its stem stiffness and leaf color. I. walleriana showed visible changes such as leaf chlorosis during the ten days of benzene contamination. When benzene is absorbed by the roots, it is translocated to and accumulated in the plant's aerial part. This mechanism the plant uses ensures its tolerance to the organic compound, enabling the species to survive and reproduce after treatment with benzene. Although I. walleriana accumulates minor amounts of hexavalent chromium in the aerial part, this amount suffices to induce greater oxidative stress and to increase the amount of hydrogen peroxide when compared to that of benzene. It was therefore concluded that I. walleriana is a species that possesses desirable characteristics for phytotechnology.
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Affiliation(s)
- V Campos
- a Sorocaba Institute of Science and Technology, São Paulo State University - UNESP , Morumbi , Brazil
| | - S S Lessa
- a Sorocaba Institute of Science and Technology, São Paulo State University - UNESP , Morumbi , Brazil
| | - R L Ramos
- b Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of São Paulo - UNIFESP , Diadema , Brazil
| | - M C Shinzato
- b Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of São Paulo - UNIFESP , Diadema , Brazil
| | - T A M Medeiros
- a Sorocaba Institute of Science and Technology, São Paulo State University - UNESP , Morumbi , Brazil
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Malvandi H. Preliminary evaluation of heavy metal contamination in the Zarrin-Gol River sediments, Iran. MARINE POLLUTION BULLETIN 2017; 117:547-553. [PMID: 28236442 DOI: 10.1016/j.marpolbul.2017.02.035] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Revised: 02/11/2017] [Accepted: 02/14/2017] [Indexed: 06/06/2023]
Abstract
The major objectives of the study were to test the hypothesis of the Zarrin-Gol River as a reference site for ecotoxicological studies and to assess the contamination degree of heavy metals and metalloids in the river using four contamination indices. For these purposes, eleven heavy metal and metalloid concentrations were analyzed. The average concentrations (mgkg-1) in the sediments were: 37.67 (chromium) 286.28 (manganese), 13,751.04 (iron), 8.79 (cobalt), 12.39 (nickel), 32.68 (zinc), 21.91 (arsenic), 40.59 (selenium), 2923.86 (aluminum), ND (silver) and 785.96 (magnesium). Contamination factor, enrichment factor, pollution load index, and geoaccumulation index were calculated to evaluate the contamination degree and influence of human activities on heavy metal levels. The contamination indices of the sediment samples showed that arsenic and selenium were the highest pollutants. The results indicated that the Zarrin-Gol River could not be used as a reference site at least for arsenic and selenium.
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Affiliation(s)
- Hassan Malvandi
- Department of Environmental Sciences, Hakim Sabzevari University, 379 post box, 9617916487 Sabzevar, Khorasan Razavi, Iran.
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37
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Rodríguez-Iruretagoiena A, Chowdhury R, Gredilla A, deVallejuelo SFO, de Diego A, Sarkar SK, Arana G, Madariaga JM, Venkatachalam P. Uptake and Distribution of Trace Elements in Dominant Mangrove Plants of the Indian Sundarban Wetland. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2016; 97:721-727. [PMID: 27650375 DOI: 10.1007/s00128-016-1919-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Accepted: 09/09/2016] [Indexed: 06/06/2023]
Abstract
Absorption, accumulation and translocation of 12 trace elements in nine dominant mangrove plants in the Indian Sundarban Wetland revealed both organ-specific and site-specific characteristics. An overall enrichment of elements was recorded in rhizosediment, exceeding the prescribed effects range-low (ER-L) of consensus based sediment quality guidelines (SQGs) for Cu and Pb. Avicennia officinalis, A. alba, Ceriops decandra and Excoecaria agallocha exhibited unique potential for accumulating Al, Cd, Co, Cr, Cu, Ni, Mn and Zn and could be considered efficient accumulators. Maximum element accumulation in trunk bark (As 6.16, Cr 49.9, Co 2.67, Cu 91.00 and Zn 85.5 mg kg-1) and root/pneumatophore (Al 1000 and Fe 2430 mg kg-1) was recorded. Maximum bioconcentration factor (6.23) in A. officinalis and translocation factor (17.5 for Mn) in C. decandra distinguished their phytoremediation capacity. These halophytes could be used for trace element phytoremediation in stressed sites of Sundarban.
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Affiliation(s)
- Azibar Rodríguez-Iruretagoiena
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country UPV/EHU, P.O. Box 644, 48080, Bilbao, Basque Country, Spain
| | - Ranju Chowdhury
- Department of Marine Science, University of Calcutta, 35 Ballygunge Circular Road, Calcutta, 700019, India
| | - Ainara Gredilla
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country UPV/EHU, P.O. Box 644, 48080, Bilbao, Basque Country, Spain
| | - Silvia Fdez-Ortiz deVallejuelo
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country UPV/EHU, P.O. Box 644, 48080, Bilbao, Basque Country, Spain
| | - Alberto de Diego
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country UPV/EHU, P.O. Box 644, 48080, Bilbao, Basque Country, Spain
| | - Santosh Kumar Sarkar
- Department of Marine Science, University of Calcutta, 35 Ballygunge Circular Road, Calcutta, 700019, India.
| | - Gorka Arana
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country UPV/EHU, P.O. Box 644, 48080, Bilbao, Basque Country, Spain
| | - Juan Manuel Madariaga
- Department of Analytical Chemistry, Faculty of Science and Technology, University of the Basque Country UPV/EHU, P.O. Box 644, 48080, Bilbao, Basque Country, Spain
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Noronha-D'Mello CA, Nayak GN. Assessment of metal enrichment and their bioavailability in sediment and bioaccumulation by mangrove plant pneumatophores in a tropical (Zuari) estuary, west coast of India. MARINE POLLUTION BULLETIN 2016; 110:221-230. [PMID: 27325605 DOI: 10.1016/j.marpolbul.2016.06.059] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 06/12/2016] [Accepted: 06/13/2016] [Indexed: 06/06/2023]
Abstract
Sediment collected from the estuarine mangroves of the Zuari estuary and Cumbharjua canal were analyzed to assess the concentration, contamination and bioavailability of metals. Mangrove pneumatophores were also analyzed to understand the metal bioaccumulation in mangrove plants. The results indicated the variation of metal concentrations in sediment along the estuary was attributed to changing hydrodynamic conditions, type of sediment and metal sources. Further, speciation studies revealed that Fe, Cr, Co, Ni, Cu and Zn were mainly of lithogenic origin and less bioavailable while high Mn content in the sediment raised concerns over its potential mobility, bioavailability and subsequent toxicity. The mangrove plants exhibited difference in metal accumulation due to variations in sediment parameters and metal availability, in addition to difference in plant species and tissue physiology that affect metal uptake. Moreover, the mangrove plants reflected the quality of the underlying sediment and can be used as a potential bio-indicator tool.
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Affiliation(s)
| | - G N Nayak
- Department of Marine Sciences, Goa University, Taleigao, Goa 403206, India.
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Cordeiro C, Favas PJC, Pratas J, Sarkar SK, Venkatachalam P. Uranium accumulation in aquatic macrophytes in an uraniferous region: Relevance to natural attenuation. CHEMOSPHERE 2016; 156:76-87. [PMID: 27164268 DOI: 10.1016/j.chemosphere.2016.04.105] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 04/18/2016] [Accepted: 04/25/2016] [Indexed: 06/05/2023]
Abstract
Phytoremediation potential of uranium (U) was investigated by submerged, free-floating and rooted emergent native aquatic macrophytes inhabiting along the streams of Horta da Vilariça, a uraniferous geochemical region of NE Portugal. The work has been undertaken with the following objectives: (i) to relate the U concentrations in water-sediment-plant system; and (ii) to identify the potentialities of aquatic plants to remediate U-contaminated waters based on accumulation pattern. A total of 25 plant species culminating 233 samples was collected from 15 study points along with surface water and contiguous sediments. Concentrations of U showed wide range of variations both in waters (0.61-5.56 μg L(-1), mean value 1.98 μg L(-1)) and sediments (124-23,910 μg kg(-1), mean value 3929 μg kg(-1)) and this is also reflected in plant species examined. The plant species exhibited the ability to accumulate U several orders of magnitude higher than the surrounding water. Maximum U concentrations was recorded in the bryophyte Scorpiurium deflexifolium (49,639 μg kg(-1)) followed by Fontinalis antipyretica (35,771 μg kg(-1)), shoots of Rorippa sylvestris (33,837 μg kg(-1)), roots of Oenanthe crocata (17,807 μg kg(-1)) as well as in Nasturtium officinale (10,995 μg kg(-1)). Scorpiurium deflexifolium displayed a high bioconcentration factor (BF) of ∼2.5 × 10(4) (mean value). The species Fontinalis antipyretica, Nasturtium officinale (roots) and Rorippa sylvestris (shoots) exhibited the mean BFs of 1.7 × 10(4), 5 × 10(3) and 4.8 × 10(3) respectively. Maximum translocation factor (TF) was very much pronounced in the rooted perennial herb Rorippa sylvestris showing extreme ability to transport U for the shoots and seems to be promising candidate to be used as bioindicator species.
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Affiliation(s)
- Cristina Cordeiro
- MARE, Marine and Environmental Sciences Centre, Faculty of Sciences and Technology, University of Coimbra, 3004-517, Coimbra, Portugal
| | - Paulo J C Favas
- MARE, Marine and Environmental Sciences Centre, Faculty of Sciences and Technology, University of Coimbra, 3004-517, Coimbra, Portugal; University of Trás-os-Montes e Alto Douro, UTAD, School of Life Sciences and the Environment, Quinta de Prados, 5000-801, Vila Real, Portugal.
| | - João Pratas
- MARE, Marine and Environmental Sciences Centre, Faculty of Sciences and Technology, University of Coimbra, 3004-517, Coimbra, Portugal; University of Coimbra, Faculty of Sciences and Technology, Department of Earth Sciences, 3001-401, Coimbra, Portugal; Instituto de Geologia e Petróleo de Timor Leste, Timor Leste
| | - Santosh Kumar Sarkar
- University of Calcutta, Department of Marine Science, 35, Ballygunge Circular Road, Calcutta, 700019, West Bengal, India
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40
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Chakraborty P, Ramteke D, Gadi SD, Bardhan P. Linkage between speciation of Cd in mangrove sediment and its bioaccumulation in total soft tissue of oyster from the west coast of India. MARINE POLLUTION BULLETIN 2016; 106:274-282. [PMID: 26874748 DOI: 10.1016/j.marpolbul.2015.12.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Revised: 12/14/2015] [Accepted: 12/17/2015] [Indexed: 06/05/2023]
Abstract
This study established a mechanistic linkage between Cd speciation and bioavailability in mangrove system from the west coast of India. High bioaccumulation of Cd was found in the oyster (Crassostrea sp.) even at low Cd loading in the bottom sediment. Bioaccumulation of Cd in the oyster gradually increased with the increasing concentrations of water soluble, exchangeable and carbonate/bicarbonate forms of Cd in the sediments. Fe/Mn oxyhydroxide phase was found to control Cd bioavailability in the sediment system. Cd-associated with sedimentary organic matter was bioavailable and organic ligands in the sediments were poor chelating agents for Cd. This study suggests that bioaccumulation of Cd in oyster (Crassostrea sp.) depends not on the total Cd concentration but on the speciation of Cd in the system.
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Affiliation(s)
| | - Darwin Ramteke
- CSIR-National Institute of Oceanography, Dona Paula, Goa 403004, India
| | - Subhadra Devi Gadi
- Carmel College of Arts, Science & Commerce for Women, Nuvem, Goa 403604, India
| | - Pratirupa Bardhan
- CSIR-National Institute of Oceanography, Dona Paula, Goa 403004, India
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Borrell A, Tornero V, Bhattacharjee D, Aguilar A. Trace element accumulation and trophic relationships in aquatic organisms of the Sundarbans mangrove ecosystem (Bangladesh). THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 545-546:414-423. [PMID: 26748006 DOI: 10.1016/j.scitotenv.2015.12.046] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Revised: 12/10/2015] [Accepted: 12/10/2015] [Indexed: 06/05/2023]
Abstract
The Sundarbans forest is the largest and one of the most diverse and productive mangrove ecosystems in the world. Located at the northern shoreline of the Bay of Bengal in the Indian Ocean and straddling India and Bangladesh, the mangrove forest is the result of three primary river systems that originate further north and northwest. During recent decades, the Sundarbans have been subject to increasing pollution by trace elements caused by the progressive industrialization and urbanization of the basins of these three rivers. As a consequence, animals and plants dwelling downstream in the mangroves are exposed to these pollutants in varying degrees, and may potentially affect human health when consumed. The aim of the present study was to analyse the concentrations of seven trace elements (Zn, Cu, Cr, Hg, Pb, Cd and As) in 14 different animal and plant species collected in the Sundarbans in Bangladesh to study their transfer through the food web and to determine whether their levels in edible species are acceptable for human consumption. δ(15)N values were used as a proxy of the trophic level. A decrease in Zn, Cu, Pb and Cd levels was observed with increasing trophic position. Trace element concentrations measured in all organisms were, in general, lower than the concentrations obtained in other field studies conducted in the same region. When examined with respect to accepted international standards, the concentrations observed in fish and crustaceans were generally found to be safe for human consumption. However, the levels of Zn in Scylla serrata and Cr and Cd in Harpadon nehereus exceeded the proposed health advisory levels and may be of concern for human health.
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Affiliation(s)
- Asunción Borrell
- Department of Animal Biology, Institute of Biodiversity (IRBIO), University of Barcelona, Av. Diagonal, 643, Barcelona, Spain.
| | - Victoria Tornero
- Department of Animal Biology, Institute of Biodiversity (IRBIO), University of Barcelona, Av. Diagonal, 643, Barcelona, Spain
| | - Dola Bhattacharjee
- Indian Institute of Science Education & Research - Kolkata, Department of Biological Sciences, Mohanpur Campus, Nadia, West Bengal, India
| | - Alex Aguilar
- Department of Animal Biology, Institute of Biodiversity (IRBIO), University of Barcelona, Av. Diagonal, 643, Barcelona, Spain
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