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Planktonic ecosystems: zooplank-ton, micronekton

机译:浮游生态系统:Zooplank-Ton,Micronekton

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College of Fishery, Zhejiang Ocean University, Zhoushan, Zhejiang, 316022, China Based on the data of zooplankton samples from 27 stations in the offshore area of Changjiang Estuary in August 2016, we analyzed the community structure and diversity of zooplankton and examined the relationship between zooplankton community structure and environmental factors. A total of 108 species of zooplankton belonging to 12 groups in six phyla, together with 15 types of pelagic larvae and fish eggs were identified. The main groups were copepods, thaliacea, chaetognaths, cladocla-dus and medusae, with the average abundance being 273.9, 115.0, 67.1, 63.6 and 61.1 ind•m~(-3) The most dominant group of zooplankton was copepods (48 species), accounting for 44.4% of the total zooplankton abundance. Medusae ranked second with a total of 12 species, accounting for 11.1% of the total zooplankton abundance. Furthermore, the absolute dominant group was copepods, with the highest contribution to the zooplankton community (20.3%). According to the clustering results of environmental factors, the area could be divided into Changjiang diluted water and offshore water mass. The results of analysis of similarities showed that the difference of zooplankton community between the two regions was significant (the average difference was 4%), and the contribution to the difference was 20.3%, 18.0%, 14.1%, 13.4%, and 11.8% for copepod, thaliacea, cladocera, chaetognaths, and medusae, respectively.
机译:浙江海洋大学渔业学院,浙江舟山,316022基于Zooplankton Samples的数据,从27站在2016年8月的长江口近海地区的27站,我们分析了浮游动物的社区结构和多样性,并研究了关系浮游动物社区结构和环境因素。鉴定了总共108种Zooplankton属于12组的Zooplankton,与15种类型的幼虫和鱼卵一起鉴定出来。主要群体是Copepods,ThaliaCea,Chaetognath,Cladocla-Dus和Medusae,平均丰度为273.9,115.0,67.1,63.6和61.1 Ind•M〜(3)Zooplankton最多的Zooplant组(48种) ,占Zooplankton丰富的44.4%。 Medusae共排名第二,共有12种,占Zooplankton丰富的11.1%。此外,绝对优势群是桡足类的,对浮游植物群落(20.3%)的贡献最高。根据环境因素的聚类结果,该地区可分为长江稀释水和近海水质。相似性分析结果表明,两区之间的浮游植物群落差异(平均差为4%),对差异的贡献为20.3%,18.0%,14.1%,13.4%和11.8%对于Copepod,Thaliacea,Cladocera,Chaetognath和Medusae分别。

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    《Oceanographic Literature Review》 |2019年第5期|1052-1053|共2页
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