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淀山湖浮游植物初级生产力及其影响因子
引用本文:汪益嫔,张维砚,徐春燕,胡雪芹,童琰,由文辉.淀山湖浮游植物初级生产力及其影响因子[J].环境科学,2011,32(5):1249-1256.
作者姓名:汪益嫔  张维砚  徐春燕  胡雪芹  童琰  由文辉
作者单位:1. 华东师范大学环境科学系,上海,200062
2. 华东师范大学环境科学系,上海市城市化生态过程与生态恢复重点实验室,上海,200062
基金项目:上海市科委科技项目(08DZ1203102,08DZ1203002)
摘    要:为了解淀山湖浮游植物初级生产力时空变化及与环境因子的相关关系,于2009年4月-2010年3月采用黑白瓶法对其进行逐月采样调查.结果表明,初级生产力(以C计)四季变化规律为夏季0.95 g·(m3·d)-1]冬季0.83 g·(m3·d)-1]春季0.77 g·(m3·d)-1]秋季0.62 g·(m3·d)-...

关 键 词:淀山湖  浮游植物  初级生产力  时空分布  相关分析
收稿时间:2010/5/19 0:00:00
修稿时间:2010/7/28 0:00:00

Phytoplankton Productivity and Its Influencing Factors in Dianshan Lake
WANG Yi-pin,ZHANG Wei-yan,XU Chun-yan,HU Xue-qin,TONG Yan and YOU Wen-hui.Phytoplankton Productivity and Its Influencing Factors in Dianshan Lake[J].Chinese Journal of Environmental Science,2011,32(5):1249-1256.
Authors:WANG Yi-pin  ZHANG Wei-yan  XU Chun-yan  HU Xue-qin  TONG Yan and YOU Wen-hui
Institution:College of Resources and Environment Science, East China Normal University, Shanghai 200062, China. wangyipin_1008@163.com
Abstract:To understand the relationship between the spatial-temporal variations of phytoplankton primary productivity and its environmental factors in Dianshan Lake, monthly survey was carried out from April, 2009 to March, 2010, with the method of white and black bottles. The result shows that seasonal variation of primary productivity (calculated according to carbon, following the same) is summer 0.95 g x (m3 x d)(-1)] > winter 0.83 g x (m3 x d)(-1)] > spring 0.77 g x (m3 x d)(-1)] > autumn 0.62 g x (m3 x d)(-1). From the flat distribution, primary productivity is higher in northern and southern parts than that in east and west, with no significant differences in each point (p > 0.05). From the vertical distribution, phytoplankton light availability is an important limiting factor. Primary production of 0. 3 m underwater is higher than that of 0.5 m. However, primary production of 0.3 m level in summer is lower because of light inhibition. Seasonal changes in primary productivity may be due to phytoplankton community structure and replacement of the dominant species. There are significantly positive correlation between Chlorophyll a (Chl-a) and phytoplankton density with primary productivity (p < 0.01), and Chl-a has better correlation with primary productivity. Phytoplankton biomass shows a positive reaction to its productivity and may preliminary provide a reference for the number of phytoplankton.
Keywords:Dianshan Lake  phytoplankton  primary productivity  spatial and temporal distribution  correlation analysis
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