Open AccessDistribution Features of Phytoplankton and Its Correlation with Environmental Factors of Baima Lake
Author(s) -
Wang Jun,
Songqing Wu,
Baojian Fan,
Wenmeng Chen
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/730/1/012055
Subject(s) - phytoplankton , diversity index , species evenness , environmental science , eutrophication , sampling (signal processing) , ecology , abundance (ecology) , spatial distribution , community structure , geography , species diversity , oceanography , physical geography , biology , species richness , nutrient , geology , remote sensing , filter (signal processing) , computer science , computer vision
In order to deal with the degradation of ecological function in Baima Lake, 11 Sampling sites were set up in 2014, 2016 and 2017 in Huaian City, Jiangsu Province. Sampling was conducted monthly to monitor and analyze the temporal and spatial changes of phytoplankton community structure in the lake. The results showed that 119 species of phytoplankton were identified in 2014, 109 species in 2016 and 114 species in 2017, belonging to 8 phyla. Phytoplankton abundance got top in summer and bottom in winter. Its spatial distribution was higher in northwest and central, and lower in northeast and south. The health status of lakes in different years was evaluated by Shannon-Wiener diversity index, Pielou evenness index and SI pollution index. Baima Lake is a medium-eutrophic (moderate) water body. Pearson correlation analysis was carried out between phytoplankton and environmental factors.