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Changes in the Characteristics of Zooplankton Communities in Response to Shifts in the Aquatic Environment in the Shallow Waters of Northern Liaodong Bay, China

文献类型： 外文期刊

作者： Li, Jiaxing 1 ; Zheng, Wenjun 1 ; Cai, Zhonglu 1 ; Ma, Jin 2 ; Li, Geng 1 ; Ma, Bo 3 ; Zhao, Jing 2 ; Li, Zhonghong 1 ; Li, Shuang 1 ; Chen, Mingkang 1 ; Gao, Chuang 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Yingkou Enhancement & Expt Stn, Yingkou 115004, Peoples R China

2.Shanghai Ocean Univ, Coll Marine Living Resource Sci & Management, Shanghai 201306, Peoples R China

3.Heilongjiang River Fisheries Res Inst, Harbin 150076, Peoples R China

关键词： zooplankton; Liaodong Bay; dominant species; Bioenv; RDA

期刊名称：WATER （ 影响因子：3.0； 五年影响因子：3.3 ）

ISSN：

年卷期： 2024 年 16 卷 19 期

页码：

收录情况： SCI

摘要： The characteristics of zooplankton communities and the relationships with the aquatic environment in the shallow waters of northern Liaodong Bay were investigated. Spot sampling surveys were carried out in April, June, September, and November 2018 to assess zooplankton species composition and diversity, abundance, biomass, and dominant species, and the associated relationships with environmental factors. A total of 45 species of zooplankton were recorded in the survey, comprising 18 Copepoda, 2 Amphipoda, 1 Mysidacea, 1 Decapoda, 1 Chaetognatha, 7 Hydrozoa, 1 Tunicate, and 14 planktonic larvae. Overall, the most dominant species was Aidanosagitta crassa (Tokioka, 1938), with copepods and planktonic larvae also dominating the zooplankton community. However, there was a seasonal alternation of species dominance. A cluster analysis showed that the zooplankton community in spring differed from other seasons and was mostly influenced by suspended particulate matter. Bioenv analysis indicated the main environmental factor affecting the zooplankton community in spring was suspended particulate matter. In summer, the determining variables were temperature, dissolved inorganic nitrogen (DIN), nitrate, and sediment pH. In autumn, temperature, DIN, and nitrate were determining variables, and dissolved oxygen (DO) and DIN in winter. Zooplankton abundance and biomass were influenced by salinity, suspended particulate matter, chemical oxygen demand (COD), chlorophyll, and water and sediment pH. In general, the shallow sea area north of Liaodong Bay is rich in zooplankton species and exhibits significant seasonal variations. Human activities have disturbed the biological community to a certain extent, and the environmental factors in this area are closely related to the diversity of zooplankton species.

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