渤海底栖桡足类群落结构的研究

慕芳红; 张志南; 郭玉清

渤海底栖桡足类群落结构的研究

青岛海洋大学海洋生命学院, 山东, 青岛, 266003

基金项目: 国家自然科学基金资助项目(497901001;39770145);国家重点基础研究专项经费资助项目(G19990437);教育部高等学校博士学科点专项科研基金资助项目(97042306)

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出版历程
- 收稿日期: 2000-03-06
- 修回日期: 2000-09-07

The study on the community structure of benthic copepods in the Bohai Sea

Marine Life College, Ocean University of Qingdao, Qingdao 266003, China

摘要

摘要: 渤海1998年9月航次的调查结果.小型底栖生物总平均丰度为(8688±5097)个/m²,底栖桡足类居第2位,平均丰度为(663±569)个/m²,占总数量的76%.根据77种底栖桡足类丰度所做的聚类和标序分析将渤海20个站位划分为4个组合.根据11种环境因子数据所做的聚类和主成分分析将研究海域划分为两个生境、4个亚区.对研究海域进行的分区与自然分区是基本一致的.支配研究海域底栖桡足类群落结构的主要环境因子是水深和沉积物粒度.
- 小型底栖生物 /
- 底栖桡足类 /
- 丰度 /
- 群落结构 /
- 环境因子 /
- 渤海
Abstract: The benthic meiofauna was quantitatively investigated at 20 stations in the Bohai Sea in September 1998.Mean meiofaunal abundance amounts to(868.8±509.7) ind/m².Benthic copepods are the second in overall abundance,constituting 7.6% of the total meiofauna,with the mean abundance of(66.3±56.9) ind/m².The cluster or dination and PCA analysis of 11 environmental variables show there are two distinctly different habitats in the Bohai Sea,these two habitats are divided into four sub-areas further.According to the cluster and MDS analysis of 77 benthic copepods species,four groups are divided,these areas are well coincident with natural zone.The major factors which affect the community structure of benthic copepods are depth and grain size of sediment.
- meiofauna /
- benthic copepods /
- abundance /
- community structure /
- environmental variables /
- Bohai Sea

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