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Impact of summer hypoxia on macrobenthic communities in a semi-enclosed bay: A long-term observation in the North Yellow sea of China

文献类型：期刊论文

作者Hou, Chaowei1,3; Zhao, Jianmin1,2; Ma, Yuanqing5; Wang, Qing1,2; Liu, Yongliang1,3; Zhang, Chen1; Wang, Lei1,3; Zhang, Wenjing1; Sun, Xiyan1,3; Zhang, Jinhao4
刊名ENVIRONMENTAL RESEARCH
出版日期2024-10-01
卷号258页码:12
关键词Human activity Macrobenthos Comparative analysis Habitat filtering Stable isotope analysis
ISSN号0013-9351
DOI10.1016/j.envres.2024.119433
通讯作者Yuan, Xiutang(xtyuan@yic.ac.cn)
英文摘要The O2 content of the global ocean has been declining progressively over the past decades, mainly because of human activities and global warming. Despite this situation, the responses of macrobenthos under hypoxic conditions remain poorly understood. In this study, we conducted a long-term observation (2015-2022) to investigate the intricate impact of summer hypoxia on macrobenthic communities in a semi-enclosed bay of the North Yellow Sea. Comparative analyses revealed higher macrobenthos abundance (1956.8 f 1507.5 ind./m2 vs. 871.8 f 636.9 ind./m2) and biomass (8.2 f 4.1 g/m2 vs. 5.6 f 3.2 g/m2) at hypoxic sites compared to normoxic sites during hypoxic years. Notably, polychaete species demonstrated remarkable adaptability, dominating hypoxic sites, and shaping community structure. The decline in biodiversity underscored the vulnerability and diminished resilience of macrobenthic communities to hypoxic stressors. Stable isotope analysis provided valuable insights into food web structures. The average trophic level of macrobenthos measured 2.84 f 0.70 at hypoxic sites, contrasting with the higher value of 3.14 f 0.74 observed at normoxic sites, indicating the absence of predators at high trophic levels under hypoxic conditions. Moreover, trophic interactions were significantly altered, resulting in a simplified and more vulnerable macrobenthic trophic structure. The findings underscored the importance of comprehensive research to understand the complex responses of macrobenthic communities to hypoxia, thereby informing future conservation efforts in impacted ecosystems.
WOS关键词OXYGEN MINIMUM ZONE ; SISHILI BAY ; FAUNA ; RESPONSES ; ANOXIA ; BIODIVERSITY ; NITROGEN ; CARBON
WOS研究方向Environmental Sciences & Ecology ; Public, Environmental & Occupational Health
语种英语
WOS记录号WOS:001345667400001
资助机构Scientific Research Instrument and Equipment Development Project of the Chinese Academy of Sciences ; Leading Talent Project in the Yellow River Delta Talent Engineering Industry
源URL[http://ir.yic.ac.cn/handle/133337/37847]  
专题海岸带生物学与生物资源利用重点实验室
中国科学院牟平海岸带环境综合试验站
海岸带生物资源高效利用研究与发展中心
通讯作者Yuan, Xiutang
作者单位1.Chinese Acad Sci, Muping Coastal Environm Res Stn, Yantai 264100, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Res & Dev Ctr Efficient Utilizat Coastal Bioresour, Yantai 264003, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Yantai Marine Econ Res Inst, Yantai 264003, Peoples R China
5.Shandong Marine Resources & Environm Res Inst, Shandong Key Lab Marine Ecol Restorat, Yantai 264006, Shandong, Peoples R China
推荐引用方式
GB/T 7714		 Hou, Chaowei,Zhao, Jianmin,Ma, Yuanqing,et al. Impact of summer hypoxia on macrobenthic communities in a semi-enclosed bay: A long-term observation in the North Yellow sea of China[J]. ENVIRONMENTAL RESEARCH,2024,258:12.
APA Hou, Chaowei.,Zhao, Jianmin.,Ma, Yuanqing.,Wang, Qing.,Liu, Yongliang.,...&Yuan, Xiutang.(2024).Impact of summer hypoxia on macrobenthic communities in a semi-enclosed bay: A long-term observation in the North Yellow sea of China.ENVIRONMENTAL RESEARCH,258,12.
MLA Hou, Chaowei,et al."Impact of summer hypoxia on macrobenthic communities in a semi-enclosed bay: A long-term observation in the North Yellow sea of China".ENVIRONMENTAL RESEARCH 258(2024):12.

入库方式： OAI收割

来源：烟台海岸带研究所

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