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桑沟湾浮游植物生态特征
作者姓名:慕建东  董玮  陈碧鹃  王巍  方建光  唐学玺
作者单位:1. 中国海洋大学,海洋生命学院,青岛,266003;中国水产科学研究院黄海水产研究所,青岛,266071
2. 青岛市海洋与渔业行政执法支队,266071
3. 中国水产科学研究院黄海水产研究所,青岛,266071
4. 中国海洋大学,海洋生命学院,青岛,266003
基金项目:业部行业专项,国家自然科学基金项目,农业部黄渤海渔业资源环境重点野外科学观测试验站共同资助 
摘    要:根据2003年8月~2005年5月桑沟湾4个航次调查结果,对该海区浮游植物的种类组成、数量分布和群落结构进行分析。结果表明,调查海域共检出浮游植物32属72种。其中,硅藻29属60种,占83.3%。甲藻3属12种,占16.7%。浮游植物数量的变动范围为5.0×10^4~3416.0×10^4cell/m^3,浮游植物数量均值的最高值出现在2003年8月,最低值出现在2005年5月。经多样性指数、丰富度指数、均匀度指数和单纯度指数分析,调查海域浮游植物的群落结构随季节变化明显,秋季的种类数、多样性明显高于春季。综合评价表明,桑沟湾海域浮游植物种类个体数量分布不均匀,生物多样性一般。

关 键 词:桑沟湾  浮游植物  生态特征
收稿时间:2008/5/15 0:00:00
修稿时间:2008/6/23 0:00:00

Ecological characteristics of phytoplankton in Sanggou Bay
Authors:MU Jian-dong  DONG Wei  CHEN Bi-juan  WANG Wei  FANG Jian-guang  TANG Xue-xi
Institution:MU Jian-dong, DONG Wei, FANG Jian-guang,CHEN Bi-juan, WANG Wei, TANG Xue-xi (1. College of Marine Life Science, Ocean University of China, Qingdao 266003;2. Yellow Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences, Qingdao 266071;3. Ocean and Fishery Bureau of Qingdao, 266071)
Abstract:Based on four surveys from August 2003 to May 2005 in Sanggou Bay, Shandong Province, the ecological characteristics of species composition, biomass,community structure of phytoplankton were studied. The results showed that there were 72 species belonging to 32 genera of phytoplankton in the surveyed areas. Among them, 60 species of 29 genera were Bacillariophyta, which accounted for 83.3 % of all species, and 12 species of 3 genera were Pyrophyta, which accounted for 16.7% of all species. The mean values of the phytoplankton biomass were 5.0×10^4 - 3 416.0 × 10^4 cell/m^3 ; the maximum appeared in August 2003 and the minimum appeared in May 2005. The analyzing results diversity index,abundance index,simplicity index and evenness index showed that the characteristics of community structure varied with different seasons. The species number,biodiversity of phytoplankton in autumn were obviously greater than that in spring. The comprehensive assessing result suggests that the quantity distribution of species in Sanggou Bay was not even, and the biodiversity of phytoplankton was in moderate grade.
Keywords:Sanggou Bay Phytoplankton Ecological characteristics
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