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Du X, Tian J, Huang Y, Ye Y, Yang Y, Xu W, Zhao Y, Li Y. Effects of stock enhancement on the macrobenthic community and ecological health in the intertidal zone of the estuarine wetland in Nanhui, China. MARINE POLLUTION BULLETIN 2024; 203:116492. [PMID: 38754324 DOI: 10.1016/j.marpolbul.2024.116492] [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: 05/28/2023] [Revised: 05/09/2024] [Accepted: 05/09/2024] [Indexed: 05/18/2024]
Abstract
Nanhui Dongtan Wetland is an important part of Yangtze Estuary Wetland, and its species diversity has been affected by reclamation in recent years. To increase the diversity of species in reclamation areas, stock enhancement was implemented in the Nanhui Dongtan Wetland in May 2020 as a method of ecological restoration. We investigated macrobenthos before and after release, analysed changes in the macrobenthos and evaluated the ecological health of the sampled area. The diversity index showed species were more abundant and community structure were more diversified after release. Functional groups and redundancy analysis showed that the effects of stock enhancement on macrobenthos in Nanhui Dongtan wetland may be based on changes in secondary productivity. Stock enhancement may promote the resistance of macrobenthic communities to organic pollution without negatively affecting ecological health. As a method of ecological restoration, stock enhancement will play a positive role in the restoration of macrobenthic communities.
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Affiliation(s)
- Xinglin Du
- School of Life Science, East China Normal University, Shanghai 200241, China
| | - Jiangtao Tian
- School of Life Science, East China Normal University, Shanghai 200241, China
| | - Yizhou Huang
- School of Life Science, East China Normal University, Shanghai 200241, China
| | - Yucong Ye
- School of Life Science, East China Normal University, Shanghai 200241, China
| | - Ying Yang
- School of Life Science, East China Normal University, Shanghai 200241, China
| | - Wenyue Xu
- School of Life Science, East China Normal University, Shanghai 200241, China
| | - Yunlong Zhao
- School of Life Science, East China Normal University, Shanghai 200241, China; State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200241, China.
| | - Yiming Li
- Fishery Machinery and Instrument Research Institute, Chinese Academy of Fisheries Sciences, Shanghai 200092, China.
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2
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Nasi F, Vesal SE, Relitti F, Bazzaro M, Teixidó N, Auriemma R, Cibic T. Taxonomic and functional macrofaunal diversity along a gradient of sewage contamination: A three-year study. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 323:121022. [PMID: 36621717 DOI: 10.1016/j.envpol.2023.121022] [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: 08/16/2022] [Revised: 12/30/2022] [Accepted: 01/04/2023] [Indexed: 06/17/2023]
Abstract
We investigated the structural and functional changes of the soft-bottom macrofaunal community following the improvement of a wastewater treatment-WWT plant. The macrofauna was collected at increasing distance from the main outfall in 2018, 2019, and 2021. Organic matter and nutrients were analysed in the water column near the outfalls to detect possible changes due to the improved treatment. We examined Functional Entities-FEs (i.e. a unique combination of species functional traits), species richness, Shannon-Wiener diversity-H', and taxonomic and functional β-diversity. From 2018 (before the year of the treatment change), to 2021, we noted a gradual decrease of organic carbon in the water column. In contrast, sediment characteristics (i.e. grain-size) did not change before and after treatment enhancement, with the exception of redox potential. Species richness and FEs gradually increased moving far from the source of organic contamination and after wastewater treatment enhancement, especially near the outfall. We observed different phases of macrofaunal succession stage after the WWT amelioration. A 'normal stage', i.e. slightly lower species richness, was reflected in decreasing functional richness. Higher taxonomic β-diversity values with significant turnover components indicated that the community was subjected to broad changes in species composition. However, functional β-diversity did not follow the same pattern. After treatment improvement, modified environmental conditions led to the establishment of new species, but with the same functions. Towards 2021, the community improved its resilience by increasing functional redundancy and reduction of vulnerability, which enhanced community stability. The latter was also reflected in the well-balanced proportion of macrofaunal feeding habits after the WWT upgrade. Integrating the classical taxonomic approach with the analysis of FEs, and environmental characteristics can provide an accurate insight into macrofauna sensitivity to stressors that are likely to lead to changes in the ecological state of an area.
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Affiliation(s)
- Federica Nasi
- National Institute of Oceanography and Applied Geophysics - OGS, Via A. Piccard 54, I-34151 Trieste, Italy.
| | - Seyed Ehsan Vesal
- National Institute of Oceanography and Applied Geophysics - OGS, Via A. Piccard 54, I-34151 Trieste, Italy; Department of Life Sciences, University of Trieste, 34127 Trieste, Italy
| | - Federica Relitti
- National Institute of Oceanography and Applied Geophysics - OGS, Via A. Piccard 54, I-34151 Trieste, Italy
| | - Matteo Bazzaro
- National Institute of Oceanography and Applied Geophysics - OGS, Via A. Piccard 54, I-34151 Trieste, Italy; Dipartimento di Scienze Fisiche, della Terra e Dell'Ambiente, Università Degli Studi di Siena, Strada Laterina, 53100 Siena, Italy
| | - Nuria Teixidó
- Department of Integrated Marine Ecology, Stazione Zoologica Anton Dohrn, Ischia Marine Centre, Ischia, Naples, Italy; Laboratoire D'Océanographie de Villefranche, Sorbonne Université, CNRS, Villefranche-sur-Mer, France
| | - Rocco Auriemma
- National Institute of Oceanography and Applied Geophysics - OGS, Via A. Piccard 54, I-34151 Trieste, Italy
| | - Tamara Cibic
- National Institute of Oceanography and Applied Geophysics - OGS, Via A. Piccard 54, I-34151 Trieste, Italy
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Zhang Z, Chen H, Li Y, Ge R, Liu G, Ali S, Zhuang Y. Trait-based approach revealed the seasonal variation of mesozooplankton functional groups in the South Yellow Sea. MARINE LIFE SCIENCE & TECHNOLOGY 2023; 5:126-140. [PMID: 37073327 PMCID: PMC10077163 DOI: 10.1007/s42995-022-00156-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 11/10/2022] [Indexed: 05/03/2023]
Abstract
Functional traits determine the fitness of organisms and mirror their ecological functions. Although trait-based approaches provide ecological insights, it is underexploited for marine zooplankton, particularly with respect to seasonal variation. Here, based on four major functional traits, including body length, feeding type, trophic group, and reproduction mode, we quantified the seasonal variations of mesozooplankton functional groups in the South Yellow Sea (SYS) in the spring, summer, and autumn of 2018. Strong seasonal dynamics were identified for all traits but patterns varied among traits. Small zooplankton (47.7-88.6%), omnivores-herbivores (81.3-97.6%), and free spawners (54.8-92.5%) dominated in three seasons, while ambush feeders and current feeders dominated in spring (45.7%), and autumn (73.4%), respectively. Cluster analysis of the functional traits showed that the mesozooplankton in the SYS can be classified into eight functional groups. The biogeographic and seasonal variations of functional groups can be partially explained by environmental drivers. Group 1, represented by omnivores-herbivores, was the most dominant functional group, the abundance of which peaked in spring and was positively correlated with chlorophyll a concentration, indicating its close association with phytoplankton dynamics. The contribution of giant, active ambush carnivores, passive ambush carnivore jellyfish, current omnivores-detritivores, and parthenogenetic cladocerans increased with sea surface temperature. The proportion of giant, active ambush carnivores and active ambush omnivore-carnivore copepods decreased with salinity in autumn. This study presents a new perspective for understanding the dynamics of zooplankton and paves the way for further research on the functional diversity of zooplankton in the SYS. Supplementary Information The online version contains supplementary material available at 10.1007/s42995-022-00156-9.
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Affiliation(s)
- Zhishuang Zhang
- Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100 China
| | - Hongju Chen
- Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100 China
- Marine Ecology and Environmental Science Laboratory, Pilot National Laboratory for Marine Science and Technology, Qingdao, 266200 China
| | - Yixuan Li
- Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100 China
| | - Ruping Ge
- Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100 China
| | - Guangxing Liu
- Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100 China
- Marine Ecology and Environmental Science Laboratory, Pilot National Laboratory for Marine Science and Technology, Qingdao, 266200 China
| | - Shaukat Ali
- Department of Environmental Sciences, Karakoram International University, Gilgit, 15100 Pakistan
| | - Yunyun Zhuang
- Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100 China
- Marine Ecology and Environmental Science Laboratory, Pilot National Laboratory for Marine Science and Technology, Qingdao, 266200 China
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Wang Q, Shi S, Liu X. Functional diversity of macrofaunal assemblages as indicators to assess heavy metal pollution in the Bohai Sea, China. MARINE POLLUTION BULLETIN 2022; 185:114265. [PMID: 36283153 DOI: 10.1016/j.marpolbul.2022.114265] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 10/12/2022] [Accepted: 10/14/2022] [Indexed: 06/16/2023]
Abstract
Functional diversity of macrofaunal assemblages can reflect the composition and differences of functional traits, indicating their response to various contaminants, especially heavy metal pollution. We explored the effects of environment variables over gradients of heavy metal pollution on macrofaunal assemblages, using biological traits analysis, generalized linear model (GLM), AZTI marine biotic index (AMBI), and various biodiversity indexes. The RLQ (co-inertia analysis) and fourth-corner approaches were used to investigate the specific response of functional traits to heavy metal pollution. Most sites were environmentally degraded by heavy metal pollution and macrofaunal body size had a miniaturization trend. There was a significant correlation between functional diversity indexes and AMBI. The RLQ and fourth-corner analysis and GLM models showed that heavy metal and natural environmental gradients had a profound effect on functional diversity. The functional divergence and dispersion indexes, along with the abundance of some specific species, were appropriate indexes for heavy metal pollution.
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Affiliation(s)
- Qi Wang
- College of Marine Life Sciences and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao 266003, China; Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao 266003, China
| | - Shujie Shi
- College of Marine Life Sciences and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao 266003, China; Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao 266003, China
| | - Xiaoshou Liu
- College of Marine Life Sciences and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao 266003, China; Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao 266003, China.
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Zheng Z, Zhuang Y, Chen H, Ge R, Li Y, Liu G. Seasonality shapes community structure and functional group dynamics of zooplankton in Changjiang River estuary and its adjacent waters. DIVERS DISTRIB 2022. [DOI: 10.1111/ddi.13615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Affiliation(s)
- Zeqi Zheng
- Key Laboratory of Marine Environment and Ecology, Ministry of Education Ocean University of China Qingdao China
| | - Yunyun Zhuang
- Key Laboratory of Marine Environment and Ecology, Ministry of Education Ocean University of China Qingdao China
- Marine Ecology and Environmental Science Laboratory Pilot National Laboratory for Marine Science and Technology Qingdao China
| | - Hongju Chen
- Key Laboratory of Marine Environment and Ecology, Ministry of Education Ocean University of China Qingdao China
- Marine Ecology and Environmental Science Laboratory Pilot National Laboratory for Marine Science and Technology Qingdao China
| | - Ruping Ge
- Key Laboratory of Marine Environment and Ecology, Ministry of Education Ocean University of China Qingdao China
| | - Yixuan Li
- Key Laboratory of Marine Environment and Ecology, Ministry of Education Ocean University of China Qingdao China
| | - Guangxing Liu
- Key Laboratory of Marine Environment and Ecology, Ministry of Education Ocean University of China Qingdao China
- Marine Ecology and Environmental Science Laboratory Pilot National Laboratory for Marine Science and Technology Qingdao China
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6
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Shi Y, Zhang G, Zhang G, Wen Y, Guo Y, Peng L, Xu W, Sun J. Species and functional diversity of marine macrobenthic community and benthic habitat quality assessment in semi-enclosed waters upon recovering from eutrophication, Bohai Bay, China. MARINE POLLUTION BULLETIN 2022; 181:113918. [PMID: 35820235 DOI: 10.1016/j.marpolbul.2022.113918] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 06/29/2022] [Accepted: 06/30/2022] [Indexed: 06/15/2023]
Abstract
This study investigated the structure and function of macrobenthic community in Bohai Bay upon improvement of water quality due to pollution abatement. A total of 166 species were collected in the summer and autumn sampling, with an increase in sensitive species recorded as compared to data from previous studies. While historical variations in species richness indicated signs of improvement in community structure, results of functional diversity indices revealed that the macrobenthic community in Bohai Bay was still in an early stage of recovery. From BIO-ENV analysis, habitat instability may hinder how community responded to water quality improvement. Results of the benthic habitat quality assessment also indicated that the ecological status in most areas of Bohai Bay was classified as good, while a few estuarine regions were categorized in a poor status.
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Affiliation(s)
- Yifeng Shi
- Research Centre for Indian Ocean Ecosystem, Tianjin University of Science and Technology, Tianjin 300457, China; Tianjin Key Laboratory of Marine Resources and Chemistry, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Guicheng Zhang
- Research Centre for Indian Ocean Ecosystem, Tianjin University of Science and Technology, Tianjin 300457, China; Tianjin Key Laboratory of Marine Resources and Chemistry, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Guodong Zhang
- Research Centre for Indian Ocean Ecosystem, Tianjin University of Science and Technology, Tianjin 300457, China; Tianjin Key Laboratory of Marine Resources and Chemistry, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yujian Wen
- Research Centre for Indian Ocean Ecosystem, Tianjin University of Science and Technology, Tianjin 300457, China; Tianjin Key Laboratory of Marine Resources and Chemistry, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yiyan Guo
- Research Centre for Indian Ocean Ecosystem, Tianjin University of Science and Technology, Tianjin 300457, China; Tianjin Key Laboratory of Marine Resources and Chemistry, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Liying Peng
- Research Centre for Indian Ocean Ecosystem, Tianjin University of Science and Technology, Tianjin 300457, China; Tianjin Key Laboratory of Marine Resources and Chemistry, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Wenzhe Xu
- Research Centre for Indian Ocean Ecosystem, Tianjin University of Science and Technology, Tianjin 300457, China; Tianjin Key Laboratory of Marine Resources and Chemistry, Tianjin University of Science and Technology, Tianjin 300457, China.
| | - Jun Sun
- Research Centre for Indian Ocean Ecosystem, Tianjin University of Science and Technology, Tianjin 300457, China; State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences (Wuhan), Wuhan 430074, China; College of Marine Science and Technology, China University of Geosciences (Wuhan), Wuhan 430074, China; Institute for Advanced Marine Research, China University of Geosciences, Guangzhou 511462, China.
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7
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Hu C, Liu Y, Yang X, Shui B, Zhang X, Wang J. Functional trait responses of macrobenthic communities in seagrass microhabitats of a temperate lagoon. MARINE POLLUTION BULLETIN 2022; 177:113491. [PMID: 35287010 DOI: 10.1016/j.marpolbul.2022.113491] [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: 01/18/2022] [Revised: 02/18/2022] [Accepted: 02/22/2022] [Indexed: 06/14/2023]
Abstract
Understanding the effects of habitat heterogeneity on the functioning of macrobenthic communities is essential to the conservation of biodiversity in coastal ecosystems. However, the effects of habitat heterogeneity on the functional trait composition and diversity of seagrass bed macrobenthos are as scarce. In the present study, functional diversity indices (i.e., functional dispersion, functional richness, and Rao's quadratic entropy), RLQ analysis, and fourth-corner analysis indicated that macrobenthic functional trait composition and diversity differ among seagrass bed microhabitats (interior, edge, and bare sediment). More specifically, functional traits were more evenly distributed in the seagrass bed interior and edge habitats, when compared to bare sediment, and functional diversity was significantly higher (p < 0.01). Functional trait distributions were influenced by environmental parameters (e.g., total organic carbon, organic matter, and grain size). Suspension-feeding and burrowing bivalves preferentially inhabited bare sediment with high sand content and low TOC, whereas herbivorous, small, and sensitive species mainly inhabited muddy sediments with higher organic supply.
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Affiliation(s)
- Chengye Hu
- Fishery College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Yongtian Liu
- Fishery College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Xiaolong Yang
- National Marine Environmental Monitoring Center, State Oceanic Administration, Dalian 116023, China
| | - Bonian Shui
- Fishery College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Xiumei Zhang
- Fishery College, Zhejiang Ocean University, Zhoushan 316022, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266072, China.
| | - Jing Wang
- Fishery College, Zhejiang Ocean University, Zhoushan 316022, China.
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Vesal SE, Nasi F, Pazzaglia J, Ferrante L, Auriemma R, Relitti F, Bazzaro M, Del Negro P. Assessing the sewage discharge effects on soft-bottom macrofauna through traits-based approach. MARINE POLLUTION BULLETIN 2021; 173:113003. [PMID: 34628343 DOI: 10.1016/j.marpolbul.2021.113003] [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: 05/20/2021] [Revised: 09/20/2021] [Accepted: 09/21/2021] [Indexed: 06/13/2023]
Abstract
We assessed the effect of sewage-derived materials on the structural and functional attributes of the soft-bottom macrofauna at an increasing distance from the entire diffusion area. Our results showed clear spatial changes of macrofaunal density and biomass along the distance gradient from the main outfall. High values of biodiversity, species composition, and species linked to organic enrichment near the duct suggested that moderate organic stress affected this community. The traits analysis abundance-based, compared to biomass-based one, distinguished most clearly sewage contamination conditions. Functional diversity displayed spatial patterns with higher values in the less impacted sites and was significantly related to species numbers and the biotic indices (like M-AMBI). This approach is ideal for detecting macrofaunal functional changes due to sewage contamination. Thus, we infer that traits analyses could offer great potential for environmental assessment and monitoring of coastal areas influenced by human activities.
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Affiliation(s)
- Seyed Ehsan Vesal
- National Institute of Oceanography and Applied Geophysics - OGS, via A. Piccard 54, I-34151 Trieste, Italy; Department of Life Sciences, University of Trieste, 34127 Trieste, Italy
| | - Federica Nasi
- National Institute of Oceanography and Applied Geophysics - OGS, via A. Piccard 54, I-34151 Trieste, Italy.
| | - Jessica Pazzaglia
- Department of Life Sciences, University of Trieste, 34127 Trieste, Italy; Department of Integrative Marine Ecology, Stazione Zoologica Anton Dohrn, 80121 Napoli, Italy
| | - Larissa Ferrante
- National Institute of Oceanography and Applied Geophysics - OGS, via A. Piccard 54, I-34151 Trieste, Italy
| | - Rocco Auriemma
- National Institute of Oceanography and Applied Geophysics - OGS, via A. Piccard 54, I-34151 Trieste, Italy
| | - Federica Relitti
- National Institute of Oceanography and Applied Geophysics - OGS, via A. Piccard 54, I-34151 Trieste, Italy
| | - Matteo Bazzaro
- National Institute of Oceanography and Applied Geophysics - OGS, via A. Piccard 54, I-34151 Trieste, Italy; Dipartimento di Scienze Fisiche, della Terra e dell'Ambiente, Università degli Studi di Siena, Strada Laterina, 53100 Siena, Italy
| | - Paola Del Negro
- National Institute of Oceanography and Applied Geophysics - OGS, via A. Piccard 54, I-34151 Trieste, Italy
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Xu J, Lu X, Liu X. Patterns of species and functional diversity of macrofaunal assemblages and the bioassessment of benthic ecological quality status in the southern Yellow Sea. MARINE POLLUTION BULLETIN 2021; 171:112784. [PMID: 34358791 DOI: 10.1016/j.marpolbul.2021.112784] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/23/2021] [Accepted: 07/24/2021] [Indexed: 06/13/2023]
Abstract
Macrofauna are useful indicators of benthic ecological quality status, which were studied in summer and autumn of 2020 in the southern Yellow Sea, China. A total of 134 species were identified, and polychaetes represented the most dominant group. The dominant species across both seasons were Ophiura sarsii vadicola, Trigonothracia jinxingae, Heteromastus filiforms, Ninoё palmata, Thyasira tokunagai, Sigambra hanaokai, Ehlersileanira incisa hwanghaiensis, and Portlandia japonica. The average values of macrofaunal abundance and biomass were 386.68 ind./m2 and 28.21 g/m2, respectively. Species diversity during the autumn was slightly higher than that in the summer. Seasonal variations in functional diversity were also observed. BIOENV results indicated that water depth, bottom water temperature, and sediment phaeophorbide content was the optimal combination of parameters to explain macrofaunal assemblage variation. Bioassessment results, based on H', AMBI, and M-AMBI, showed that most sites in the southern Yellow Sea could be classed as moderate or good status.
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Affiliation(s)
- Jing Xu
- College of Marine Life Sciences and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao 266003, China; Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao 266003, China
| | - Xin Lu
- College of Marine Life Sciences and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao 266003, China; Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao 266003, China
| | - Xiaoshou Liu
- College of Marine Life Sciences and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao 266003, China; Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao 266003, China.
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Dong JY, Zhao L, Sun X, Hu C, Wang Y, Li WT, Zhang PD, Zhang X. Response of macrobenthic communities to heavy metal pollution in Laoshan Bay, China: A trait-based method. MARINE POLLUTION BULLETIN 2021; 167:112292. [PMID: 33873041 DOI: 10.1016/j.marpolbul.2021.112292] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 03/16/2021] [Accepted: 03/18/2021] [Indexed: 06/12/2023]
Abstract
The effects of multiple natural and anthropogenic stressors on the functional trait composition and diversity of marine macrobenthic communities in Laoshan Bay were investigated using biological trait analysis (BTA). Seven traits, including 27 trait modalities and four functional diversity indices (functional richness, functional evenness, functional divergence, and Rao's quadratic entropy), were considered. The results of RLQ (environmental variables (R), species taxa (L), and traits (Q)) and variance partitioning analysis (VPA) showed that the trait compositions and functional diversity of macrobenthic communities were influenced by a combination of stressors, among which heavy metals were the major factors. At the sites with high heavy metal pollution, the prevalent traits were infauna, burrower, and deposit feeder, whereas epifauna, carnivores and crawlers were dominant at the sites of low heavy metal contamination. The impact of natural environmental gradients on macrobenthic communities is also worthy of attention.
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Affiliation(s)
- Jian-Yu Dong
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China
| | - Linlin Zhao
- First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
| | - Xin Sun
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China
| | - Chengye Hu
- Fisheries College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Yihang Wang
- Fisheries College, Zhejiang Ocean University, Zhoushan 316022, China
| | - Wen-Tao Li
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China
| | - Pei-Dong Zhang
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China
| | - Xiumei Zhang
- Fisheries College, Zhejiang Ocean University, Zhoushan 316022, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
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11
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Bon M, Grall J, Gusmao JB, Fajardo M, Harrod C, Pacheco AS. Functional changes in benthic macrofaunal communities along a natural gradient of hypoxia in an upwelling system. MARINE POLLUTION BULLETIN 2021; 164:112056. [PMID: 33517087 DOI: 10.1016/j.marpolbul.2021.112056] [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: 10/19/2020] [Revised: 01/02/2021] [Accepted: 01/04/2021] [Indexed: 06/12/2023]
Abstract
Increasing global concern has been raised about the expansion of hypoxia in coastal waters and its potential to impact benthic ecosystems. Upwelling areas offer opportunities to study the effects of hypoxia on benthic communities under natural conditions. We used a biological trait-based approach and estimated functional diversity indices to assess macrobenthic community functioning along a depth gradient associated with naturally increasing hypoxia and concentrations of organic matter in the upwelling zone of northern Chile (South-East Pacific) over two years. Our results highlighted the increasing dominance of opportunistic biological traits associated with hypoxia and high organic matter content. Habitat filtering was the main process affecting the studied communities. Functional diversity patterns were persistent overtime despite the occurrence of a pulse of oxygenation. This study contributes to our understanding of how natural hypoxia impacts macrobenthic communities, providing useful information in the context of increasing eutrophication due to human influence on coastal areas.
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Affiliation(s)
- Melanie Bon
- Programa de Doctorado en Ciencias Aplicadas mención Sistemas Marinos Costeros, Universidad de Antofagasta, Avenida Universidad de Antofagasta 02800, Antofagasta, Chile; Laboratoire des Sciences de l'Environnement Marin (UMR 6539), Institut Universitaire Européen de la Mer/Université de Bretagne Occidentale, Technopôle Brest-Iroise, rue Dumont D'Urville, 29280 Plouzané, France.
| | - Jacques Grall
- Laboratoire des Sciences de l'Environnement Marin (UMR 6539), Institut Universitaire Européen de la Mer/Université de Bretagne Occidentale, Technopôle Brest-Iroise, rue Dumont D'Urville, 29280 Plouzané, France
| | - Joao B Gusmao
- Department of Marine Biology, Universidad Católica del Norte, Larrondo 1281, Coquimbo, Chile
| | - Maritza Fajardo
- Facultad de Ciencias del Mar y Recursos Biológicos, Universidad de Antofagasta, Avenida Universidad de Antofagasta 02800, Antofagasta, Chile
| | - Chris Harrod
- Instituto de Ciencias Naturales Alexander von Humboldt, Universidad de Antofagasta, Antofagasta, Chile; Universidad de Antofagasta Stable Isotope Facility, Instituto Antofagasta, Universidad de Antofagasta, Antofagasta, Chile; Núcleo Milenio INVASAL, Concepción, Chile
| | - Aldo S Pacheco
- Instituto de Ciencias Naturales Alexander von Humboldt, Universidad de Antofagasta, Antofagasta, Chile
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