摘要
通过2011年～2012年对黄河口水域浮游生物的周年调查,对该水域浮游生物种类组成、优势种、生物量、密度和生物多样性等进行了分析。结果表明：共检出浮游植物79种,其中绿藻门最多为34种,其次硅藻门20种,其它门类均低于10种;优势种共25种,主要为小球藻、小环藻和针杆藻等;细胞数与生物量随季节变化变动较大,均为8月〉5月〉2月〉11月。检出浮游动物4类46种,其中轮虫25种、原生动物9种、桡足类7种和枝角类5种;优势种主要为萼花臂尾轮虫、螺形龟甲轮虫和曲腿龟甲轮虫等;数量与生物量亦为8月〉5月〉2月〉11月。黄河口各站位浮游植物和浮游动物Shannon-Wiener指数均低于3,平均值分别为1.68和1.36,依据Shannon-Wiener指数评价标准,黄河口为中度污染。
Based on the data acquisitioned from four times survey of the Yellow River Estuary from May 2011 to February 2012,this paper discussed the plankton species composition,dominant species,biomass,abundance and species diversity and so on. The results showed that total 79 phytoplankton species were identified,including 34 Chlorophyta species,20 Bacillariophyta species,9 Cyanopyta species,6 Euglenophyta species,4 Pyrropyta species and 2 Chrysophyta,Cryptophyta and Xanthophyta species,respectively. There were 25 dominant species,and the main dominant species were chlorella,cyclotella and synedra. The abundance（162. 53 / L） and biomass（1. 93 mg / L） of phytoplankton varied as August〉May〉February〉November. Total 46 zooplankton species were also identified,including 25 species Rotifera,9 species Protozoa,7 species Copepoda and 2 species Cladocera,respectively. And the main dominant species were Brachionus calyciflorus,Keratella quadrata and K. ualga and so on. The abundance（314.01 ind. /L） and biomass（0. 46 mg/L） of zooplankton also varied as August〉May〉 February〉November. All the Shannon-Wiener index of phytoplankton and zooplankton was lesser than 3,and the mean value was 1. 68 and 1. 36,respectively. And the water quality was middle polluted assessed using Shannon-Wiener index of phytoplankton and zooplankton.
出处
《海洋环境科学》
CAS
CSCD
北大核心
2014年第3期360-365,共6页
Marine Environmental Science
基金
海洋公益性行业科研专项(201105005)
公益性行业(农业)科研专项(201303050)
关键词
黄河口
浮游生物
群落结构
环境评价
the Yellow River Estuary
plankton
community structure
environmental quality assessment
作者简介
冷春梅（1975-），女，黑龙江庆安人，助理研究员，硕士，主要从事渔业生态环境等方面工作，E-mail：lengcm@126．com.
董贯仓，E-mail：dgc3869676@163．com
