长江口大洋山近岸水域浮游植物群落及其与环境因子的关系

doi:10.11870/cjlyzyyhj201608003

摘要/Abstract

摘要： 2012年对上海大洋山近岸水域浮游植物的群落结构和物种多样性的周年动态进行了逐月的研究。结果表明：浮游植物共有141种，隶属6门62属。以硅藻为主，共43属110种，占物种总种类的78.01%。该水域浮游植物的年平均细胞密度为（37.86±39.79）×10⁴cell/L。中肋骨条藻（Skeletonema costatum）和具槽帕拉藻（Paralia sulcata）为第一和第二优势种，细长列海链藻（Thalassiosira leptopus）、肋缝菱形藻（Nitzschia frustulum）和梅尼小环藻（Cyclotella meneghiniana）为该水域常见种。从水质参数和物种多样性指数综合评价：大洋山近岸水域水质总体属于轻中污染。冗余分析（RDA）表明对大洋山近岸水域浮游植物影响较大的是悬浮物浓度、盐度、水温和溶解氧。

关键词: 大洋山, 浮游植物, 群落结构, 环境影响因子, 物种多样性

Abstract: A study was conducted on the phytoplankton community structure and the annual variation of species diversity in DaYangshan sea area in 2012. A total of 141 phytoplankton species, belonging to 6 phyla and 62 genera, were identified. Bacillariophyta, including 43genera and 110 species which accounted for 78.01% of species richness, was the main phytoplankton group. The annual average cell abundance of phytoplankton was (37.86±39.79)×10⁴cell/L. Skeletonema costatum and Paralia sulcata were the main dominant species through the year, while Thalassiosira leptopus, Nitzschia frustulum and Cyclotella meneghiniana were the common species. Based on analysis of diversity, the annual average values of Shannon-Wiener index, Margalef index and Pielous index were 2.83±1.21, 2.59±0.97 and 0.45±0.19, respectively. Redundancy analysis (RDA) showed that suspended solids concentration, salinity, water temperature and dissolved oxygen were the main environmental factors playing great influences on phytoplankton.

Key words: Da Yangshan, Phytoplankton, Community structure, Environmentic factors, Species diversity

中图分类号:

S932.7

汤勇, 张薇, 薛俊增, 陈立婧. 长江口大洋山近岸水域浮游植物群落及其与环境因子的关系[J]. 长江流域资源与环境, 2016, 25(08): 1176-1183.

TANG Yong, ZHANG Wei, XUE Jun-zeng, CHEN Li-jing. COMMUNITY STRUCTURES AND ENVIRONMENTAL FACTORS OF PHYTOPLANKTON IN THE YANGTZE RIVER ESTURY OF DA YANGSHAN INSHORE WATERS[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2016, 25(08): 1176-1183.

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