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Jiang S, Fan W, Chen L, Chen J, Li B. Spatio-temporal distribution of macrobenthos and benthic ecological health status in the Bohai Sea and the northern Yellow Sea, China. MARINE POLLUTION BULLETIN 2023; 196:115671. [PMID: 37866052 DOI: 10.1016/j.marpolbul.2023.115671] [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: 08/14/2023] [Revised: 09/26/2023] [Accepted: 10/13/2023] [Indexed: 10/24/2023]
Abstract
The Bohai Sea (BS) and the northern Yellow Sea (NYS) are threatened by anthropogenic activities and climate change. To accurately assess the benthic ecological quality status in this region, macrobenthos were selected as the research subject in this investigation. The results showed that the macrobenthos community structure had spatio-temporal differences in the BS and the NYS through principal coordinate analysis, especially in Laizhou Bay, and the Yellow River Delta was significantly different from that in the NYS. Specifically, in the BS, the abundance of macrobenthos in autumn was significantly higher than that in summer (p = 0.003). The dominant species composition also had seasonal differences. Overall, the macrobenthic community was slightly disturbed, but the benthic ecological health was "good". The values of negative cohesion were higher than those of positive cohesion in the macrobenthos community, revealing that there was more competition, ensuring that the community was relatively stable.
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Affiliation(s)
- Shaoyu Jiang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; University of Chinese Academy of Science, Beijing 10049, China
| | - Wenzheng Fan
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; College of Life Sciences, Yantai University, Yantai 264005, China
| | - Linlin Chen
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Jing Chen
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
| | - Baoquan Li
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China.
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Wu HY, Fu SF, Hu WJ, Chen FG, Cai XQ, Chen QH, Wu YB. Response of different benthic biotic indices to eutrophication and sediment heavy metal pollution, in fujian coastal water, East China sea. CHEMOSPHERE 2022; 307:135653. [PMID: 35835246 DOI: 10.1016/j.chemosphere.2022.135653] [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: 04/25/2022] [Revised: 06/16/2022] [Accepted: 07/05/2022] [Indexed: 06/15/2023]
Abstract
The types and intensity of anthropogenic pressure in the same sea area may differ spatially and may change as time passes, but response of benthic biotic indices to different pressure is different, which makes it unreasonable to use the same benthic biotic indices in a large sea area. We provided a new way of thinking as to selecting benthic biotic indices according to pressure type. The study took six bays under eutrophication and sediment heavy metal pollution to different levels in Fujian coastal water, East China sea, as examples, analysed the response of five benthic biotic indices, namely AZTI marine biotic index (AMBI), multivariate AMBI (M-AMBI), Shannon-Wiener diversity index (H'), benthic opportunistic polychaetes amphipods (BOPA) and benthic polychaetes amphipods (BPA), to eutrophication factors and sediment heavy metal pollution factors firstly. The result indicated that AMBI well responded to dissolved inorganic nitrogen (DIN) and dissolved inorganic phosphorus (DIP); M-AMBI responded soundly in the range of DIN >0.131 mg L-1 and DIP >0.022 mg L-1 and responded universally to heavy metals; H' responded to only Hg and Cd; BOPA has response to eutrophication condition of DIN >0.242 mg L-1; BPA had response to DIN, Cu and As. Then, suitable indices were selected based on the four pressure scenarios in the study area. AMBI was selected in no pressure scenario; M-AMBI was chosen under only eutrophication pressure and under dual pressure; H' was preferred in only heavy metal pressure scenario (mainly Hg pollution). At last, the density plot of the distribution of the selected indices in the evaluation grades under different pressure scenarios proved the proposal of selecting benthic biotic indices according to pressure types feasible. This study can offer some new insights into rapidly choosing indices to evaluate the coastal benthic ecological quality status.
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Affiliation(s)
- Hai-Yan Wu
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China; Key Laboratory of Marine Ecological Conservation and Restoration, Ministry of Natural Resources, Xiamen, 361005, China; Fujian Provincial Key Laboratory of Marine Ecological Conservation and Restoration, Xiamen, 361005, China
| | - Shi-Feng Fu
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China.
| | - Wen-Jia Hu
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China; Key Laboratory of Marine Ecological Conservation and Restoration, Ministry of Natural Resources, Xiamen, 361005, China; Fujian Provincial Key Laboratory of Marine Ecological Conservation and Restoration, Xiamen, 361005, China
| | - Feng-Gui Chen
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China; Key Laboratory of Marine Ecological Conservation and Restoration, Ministry of Natural Resources, Xiamen, 361005, China; Fujian Provincial Key Laboratory of Marine Ecological Conservation and Restoration, Xiamen, 361005, China
| | - Xiao-Qiong Cai
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China
| | - Qing-Hui Chen
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China
| | - Yi-Biao Wu
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China
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Wang Q, Liu Y, Yan L, Chen L, Li B. Genome-Wide SNP Discovery and Population Genetic Analysis of Mesocentrotus nudus in China Seas. Front Genet 2021; 12:717764. [PMID: 34490044 PMCID: PMC8416983 DOI: 10.3389/fgene.2021.717764] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 07/26/2021] [Indexed: 11/17/2022] Open
Abstract
Mesocentrotus nudus is an important commercially aquatic species because of its high edible and medicinal values. However, wild stocks have dramatically decreased in recent decades. Understanding the population structure and genetic diversity can provide vital information for genetic conservation and improvement. In the present study, the genotyping-by-sequencing (GBS) approach was adopted to identify the genome-wide single-nucleotide polymorphisms (SNPs) from a collection of 80 individuals consisting of five geographical populations (16 individuals from each population), covering the natural habitats of M. nudus in China seas. An average of 0.96-Gb clean reads per sample were sequenced, and a total of 51,738 biallelic SNPs were identified. Based on these SNPs, diversity index analysis showed that all populations have a similar pattern with positive Fis (0.136) and low Ne (724.3). Low genetic differentiation and high genetic connectivity among five geographical populations were detected by pairwise Fst, principal component analysis (PCA), admixture, and phylogenetic analysis. Besides, two YWL individuals originating from an isolated ancestor may imply that there is a genetically differentiated population in the adjacent sea. Overall, the results showed that GBS is an effective method to detect genome-wide SNPs for M. nudus and suggested that the protective measures and the investigation with larger spatial scale and sample size for M. nudus should be carried out in the future.
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Affiliation(s)
- Quanchao Wang
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China
| | - Ying Liu
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Lang Yan
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, China
| | - Linlin Chen
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China
| | - Baoquan Li
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, China.,Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China
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Izegaegbe JI, Vivier L, Mzimela HM. Trace metal contamination in sediment in the Mhlathuze Estuary, northern KwaZulu-Natal, South Africa: effects on the macrobenthic community. ENVIRONMENTAL MONITORING AND ASSESSMENT 2020; 192:401. [PMID: 32468333 PMCID: PMC7256079 DOI: 10.1007/s10661-020-08352-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 05/10/2020] [Indexed: 06/11/2023]
Abstract
Mhlathuze Estuary constitutes one of the ecological most important estuaries in southern Africa and is regarded as an estuary of high conservation importance. The ongoing expansion of the adjacent industrialized Richards Bay Harbour increases the risk of metal pollution to the estuary. This study provides insight into the extent and sources of trace metal contamination using pollution indices and sediment quality guidelines and the effect on macrobenthic habitat quality. Sediment samples for sediment metal and macrobenthic analysis were collected quarterly during 2016-2017 at five sites in the estuary using a marine-grade Zabalocki grab. Metal concentrations were determined using an ICP-OES. Sediment metal concentrations were consistently highest in the subtidal mudflats and lowest in marine sand at the mouth of the estuary. Concentrations of all metals displayed significant differences between sites (P < 0.05). Pollution indices indicated moderate enrichment of Cr at all sites, although the mean pollution load index showed the estuary to be unpolluted. Comparison with sediment quality guidelines revealed that concentrations of Ni and Cr were potentially toxic to biota. Using multivariate analysis, metal concentrations appeared not to significantly affect the macrobenthic community. The multi-metric biotic index M-AMBI proved to be a robust tool in the habitat quality assessment of the estuary. The continuing use of M-AMBI as a biomonitoring tool for ecological management of the estuary is advocated.
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Affiliation(s)
- Joshua Idowu Izegaegbe
- Department of Zoology, University of Zululand, KwaDlangezwa, South Africa.
- Department of Zoology, Ambrose Alli University, Ekpoma, Nigeria.
| | - Leon Vivier
- Department of Zoology, University of Zululand, KwaDlangezwa, South Africa
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Zhou Z, Li X, Chen L, Li B, Wang C, Guo J, Shi P, Yang L, Liu B, Song B. Effects of diesel oil spill on macrobenthic assemblages at the intertidal zone: A mesocosm experiment in situ. MARINE ENVIRONMENTAL RESEARCH 2019; 152:104823. [PMID: 31676169 DOI: 10.1016/j.marenvres.2019.104823] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 10/12/2019] [Accepted: 10/12/2019] [Indexed: 06/10/2023]
Abstract
The oil spill accidents may drastically impact the environment and ecosystem at intertidal zones. The spilled oil will penetrate the sediments and accumulate to cause lethal or sublethal effects on the benthic invertebrates. An M-BACI experiment was manipulated in situ to assess the ecological responses of benthic macrofauna to different degrees of diesel oil spill. Both biotic and abiotic parameters were studied for 126 days, subjected to both "pulse" and "press" oil contaminations. The content of aliphatic hydrocarbons (displayed as ratios of n-C17/Pr and n-C18/Ph) slightly dropped then continuously existed in the sediment during the experiment time. The macrofaunal assemblage structures were dramatically altered in species number, abundance and biomass. In general, it takes longer time for the macrofauna assemblages to recover under high concentration oil spill than that under low concentration. Our results highlight the diversified strategies for survival and recolonization among dominant species, which distinguish themselves between: i) tolerant species, ii) opportunistic species, and iii) equilibrium species.
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Affiliation(s)
- Zhengquan Zhou
- Yantai Institute of Coastal Zone Research, Chinese Academy of Science, Yantai, 264003, China; University of Chinese Academy of Science, Beijing, 10049, China
| | - Xiaojing Li
- Yantai Institute of Coastal Zone Research, Chinese Academy of Science, Yantai, 264003, China; University of Chinese Academy of Science, Beijing, 10049, China
| | - Linlin Chen
- Yantai Institute of Coastal Zone Research, Chinese Academy of Science, Yantai, 264003, China
| | - Baoquan Li
- Yantai Institute of Coastal Zone Research, Chinese Academy of Science, Yantai, 264003, China.
| | - Chuanyuan Wang
- Yantai Institute of Coastal Zone Research, Chinese Academy of Science, Yantai, 264003, China
| | - Jie Guo
- Yantai Institute of Coastal Zone Research, Chinese Academy of Science, Yantai, 264003, China
| | - Pu Shi
- University of Chinese Academy of Science, Beijing, 10049, China
| | | | - Bo Liu
- University of Yantai, 264003, China
| | - Bo Song
- University of Yantai, 264003, China
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Ni D, Zhang Z, Liu X. Benthic ecological quality assessment of the Bohai Sea, China using marine biotic indices. MARINE POLLUTION BULLETIN 2019; 142:457-464. [PMID: 31232324 DOI: 10.1016/j.marpolbul.2019.03.055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 03/23/2019] [Accepted: 03/28/2019] [Indexed: 06/09/2023]
Abstract
The coastal ecological environments are heavily affected by anthropogenic activities as well as global climate change. Macrofauna can be used as good indicators for benthic ecological quality status due to its relatively slow movement ability under disturbance and a variety of assessment approaches have been established based on the characteristics of macrofauna. The benthic ecological quality of the Bohai Sea, China, is increasingly threatened by anthropogenic activities. In order to accurately assess the benthic ecological quality status in this region, Shannon-Wiener diversity index, ABC curve, AMBI, M-AMBI and macrofaunal feeding evenness index were used. Results showed that the northern Laizhou Bay and Bohai Bay were under slight disturbance while Liaodong Bay, the central Bohai Sea and Bohai Strait were under moderate disturbance. Overall, the ecological quality indicated by the assessment results of AMBI, Shannon-Wiener diversity index and feeding evenness index were better than that by M-AMBI and the ABC curve.
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Affiliation(s)
- Dapeng Ni
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Zhinan Zhang
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Xiaoshou Liu
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China; Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao 266003, China.
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Lopes ML, Rodrigues AM, Quintino V. Can the leaf-bag technique detect benthic macrofauna responses to sediment contamination by metals and metalloids in estuaries? MARINE POLLUTION BULLETIN 2017; 124:171-180. [PMID: 28733039 DOI: 10.1016/j.marpolbul.2017.07.027] [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: 09/19/2016] [Revised: 06/20/2017] [Accepted: 07/12/2017] [Indexed: 06/07/2023]
Abstract
The Estarreja Channel, Ria de Aveiro, Portugal, received industrial effluents for over 70years. Despite the discharges stopped a decade ago, a recent study showed negative ecological effects still associated with the metal and metalloid contaminated sediments. In contaminated versus reference channels, this study compared the benthic macrofauna collected with corer and mesh-bags for community structure and synthesis descriptors, namely taxa richness (S), Shannon-Wiener diversity (H'), taxonomic (AMBI and M-AMBI) and non-taxonomic (ISS) biotic indices and functional indicators (decomposition rates). The corer infauna dominated community and the associated S, H', M-AMBI and ISS indices detected significant differences between contaminated and reference channels, otherwise undistinguished by the decomposition rates and the mesh-bags epifauna dominated community and associated indices. This suggests that sediment contamination in the deeper layers is not being transferred to the surface layers, explaining the non-affectation of the benthic macrofauna communities sampled in the leaf-bags.
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Affiliation(s)
- Marta Lobão Lopes
- Department of Biology, CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Ana Maria Rodrigues
- Department of Biology, CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Victor Quintino
- Department of Biology, CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
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Yan J, Xu Y, Sui J, Li X, Wang H, Zhang B. Long-term variation of the macrobenthic community and its relationship with environmental factors in the Yangtze River estuary and its adjacent area. MARINE POLLUTION BULLETIN 2017; 123:339-348. [PMID: 28916348 DOI: 10.1016/j.marpolbul.2017.09.023] [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: 06/13/2017] [Revised: 09/05/2017] [Accepted: 09/09/2017] [Indexed: 06/07/2023]
Abstract
Using data from four periods from 1959 to 2015, we report the long-term variation of the macrobenthic community in the Yangtze River estuary and its adjacent area. In total, 624 species were collected, and Polychaeta was the dominant group. Significant differences between the four periods were found. The CCA (canonical correspondence analysis) and RDA (redundancy analysis) results revealed that temperature, salinity, and depth significantly influenced the macrobenthic communities (89.6% of the species-environment relationship variance was explained by the first two axes of CCA and 94.3% was explained by RDA). The results of K-dominance curves (the elevation increased over time), ABC (abundance/biomass comparison) curves (the W value changed from 0.311 to 0.167 during 1959 to 2014-2015) and the Shannon-Wiener index (log base=2; 2.29-5.03 in 1959, 2.86-4.55 in 2000-2001, 2.28-4.56 in 2011-2012, and 1.79-4.43 in 2014-2015) showed that the ecological status of the benthic study area was deteriorating.
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Affiliation(s)
- Jia Yan
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, China
| | - Yong Xu
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, China
| | - Jixing Sui
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, China
| | - Xinzheng Li
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, China.
| | - Hongfa Wang
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, China
| | - Baolin Zhang
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, China
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Mulik J, Sukumaran S, Srinivas T, Vijapure T. Comparative efficacy of benthic biotic indices in assessing the Ecological Quality Status (EcoQS) of the stressed Ulhas estuary, India. MARINE POLLUTION BULLETIN 2017; 120:192-202. [PMID: 28511940 DOI: 10.1016/j.marpolbul.2017.05.014] [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: 02/27/2017] [Revised: 05/04/2017] [Accepted: 05/05/2017] [Indexed: 06/07/2023]
Abstract
Ecostatus of Ulhas estuary, one of the most polluted estuaries along the industrialized and urbanized northwest coast of India, was evaluated by six widely accepted benthic indices viz. H'(log2), AMBI, M-AMBI, BENTIX, BOPA and BO2A to test their efficiency in a tropical setting. The mesohaline zone, which presented eutrophic conditions, was classified as 'bad' by all indices due to the azoic status. Despite significant correlations obtained between indices, there were discrepancies in the accurate level of EcoQS assigned to each station. AMBI was observed to be most efficient in indicating a clear spatial variability from a 'poor' to 'bad' ecological quality status in the middle and upstream zones to an improved status in the downstream region. Limitations of all indices are discussed in light of their suitability for assessing the estuarine environmental condition. The present results could provide a fillip to environmental improvement initiatives currently being undertaken in the estuary.
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Affiliation(s)
- Jyoti Mulik
- CSIR-National Institute of Oceanography, Regional Centre Andheri (W), Mumbai 400 053, India
| | - Soniya Sukumaran
- CSIR-National Institute of Oceanography, Regional Centre Andheri (W), Mumbai 400 053, India.
| | - Tatiparthi Srinivas
- CSIR-National Institute of Oceanography, Regional Centre Andheri (W), Mumbai 400 053, India
| | - Tejal Vijapure
- CSIR-National Institute of Oceanography, Regional Centre Andheri (W), Mumbai 400 053, India
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Li B, Li X, Bouma TJ, Soissons LM, Cozzoli F, Wang Q, Zhou Z, Chen L. Analysis of macrobenthic assemblages and ecological health of Yellow River Delta, China, using AMBI & M-AMBI assessment method. MARINE POLLUTION BULLETIN 2017; 119:23-32. [PMID: 28351664 DOI: 10.1016/j.marpolbul.2017.03.044] [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: 09/07/2016] [Revised: 03/06/2017] [Accepted: 03/21/2017] [Indexed: 06/06/2023]
Abstract
Yellow River delta (YRD) is a typical example of a valuable coastal ecosystem that is under increasing anthropogenic threat in China. To understand the current health status of this region, three surveys in 2011 for the abiotic conditions and macrobenthic assemblages were performed. The concentration of trace metals were relatively low in the sediment at all sampling stations representing a good sediment quality. A total of 159 macrobenthic species were identified during the three surveys. ABC curves showed that the macrobenthic fauna at 8 sampling stations suffered disturbances from human activities. M-AMBI index indicates that the benthic ecological quality of YRD is currently still not in a good condition. Five trace metals, water temperature and depth were the main environmental variables affecting the distribution pattern of macrobenthic assemblages. Community succession has occurred over the past 60years, as evidenced by changes of species composition, key species, distribution pattern and range.
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Affiliation(s)
- Baoquan Li
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Xiaojing Li
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; University of Chinese Academy of Sciences, Beijing 10049, China
| | - Tjeerd J Bouma
- NIOZ Royal Netherlands Institute for Sea Research, Department of Estuarine and Delta Systems (EDS), Utrecht University, P.O. Box 140, 4400 AC Yerseke, The Netherlands; University of Applied Sciences, Vlissingen, The Netherlands
| | - Laura M Soissons
- NIOZ Royal Netherlands Institute for Sea Research, Department of Estuarine and Delta Systems (EDS), Utrecht University, P.O. Box 140, 4400 AC Yerseke, The Netherlands
| | - Francesco Cozzoli
- NIOZ Royal Netherlands Institute for Sea Research, Department of Estuarine and Delta Systems (EDS), Utrecht University, P.O. Box 140, 4400 AC Yerseke, The Netherlands
| | - Quanchao Wang
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Zhengquan Zhou
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; University of Chinese Academy of Sciences, Beijing 10049, China
| | - Linlin Chen
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China.
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Song Q, Zou X, Zhang H, Yu W, Zang Z, Wang C. An approach based on M-AMBI for assessing benthic ecological status of a broad intertidal zone: A case study in the Jiangsu intertidal zone, China. MARINE POLLUTION BULLETIN 2017; 116:87-94. [PMID: 28041620 DOI: 10.1016/j.marpolbul.2016.12.066] [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: 10/27/2016] [Revised: 12/21/2016] [Accepted: 12/23/2016] [Indexed: 06/06/2023]
Abstract
Intensive anthropogenic activities have a serious negative effect on the Jiangsu coastal area of China, especially on the distinctive intertidal zone. Humans are trying to eliminate this effect by taking protection and eco-compensation measures. However, when trying to determine the ecological status and quantify the anthropogenic impact for this area, the complex relationship between ecosystems and environmental stress leads to difficulties in reflecting general environmental quality. This study assessed the benthic ecological status of 10 transects (three stations/transect) across six different typologies over six years (2007, 2009-2013) in the Jiangsu intertidal zone. A unitary assessment of each transect was conducted using the multivariate AZTI Marine Biotic Index (M-AMBI), along with a radar chart (and its parameters). In the Jiangsu intertidal zone, the ecological status was noted as good or moderate at most sampling stations. Among the six assessed years, 2010 had the highest ecological status, while 2007 had the lowest. As for transects, transect 1 had the highest ratings, and transect 3 had the lowest ratings. Various stresses and advantageous human intervention and contributed to the ecological status for the different areas. The M-AMBI could be used in the future as a suitable index to assess the benthic ecological status of the Jiangsu intertidal zone. In addition, the new unitary method validated in this study could be used to assess ecosystems with several small biotopes, while accurately reflecting environmental quality.
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Affiliation(s)
- Qiaochu Song
- School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing 210023, China; Ministry of Education Key Laboratory for Coastal and Island Development, Nanjing University, Nanjing 210023, China
| | - Xinqing Zou
- School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing 210023, China; Ministry of Education Key Laboratory for Coastal and Island Development, Nanjing University, Nanjing 210023, China.
| | - Hu Zhang
- Marine Fisheries Research Institute of Jiangsu Province, Nantong 226007, China.
| | - Wenwen Yu
- School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing 210023, China; Ministry of Education Key Laboratory for Coastal and Island Development, Nanjing University, Nanjing 210023, China
| | - Zheng Zang
- School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing 210023, China; Ministry of Education Key Laboratory for Coastal and Island Development, Nanjing University, Nanjing 210023, China
| | - Chenglong Wang
- School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing 210023, China; Ministry of Education Key Laboratory for Coastal and Island Development, Nanjing University, Nanjing 210023, China
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