Abstract:In order to explore the characteristics of phytoplankton functional groups and their relationship with environmental factors in Lake Nanhu, the phytoplankton community structure was investigated from March 2017 to February 2018. A total of 98species were recorded belonging to 7 phyla and 58 genera in Lake Nanhu. The annual mean density and biomass of phytoplankton were 44.1×105 cells/L and 0.41mg/L, respectively. The phytoplankton were divided into 23 functional groups, among which C, D, E, F, G, H1, J, K, Lo, M, MP, P, TC, W1, X1, X2, Y were dominant in Lake Nanhu. The dominant functional groups varied by season from C, F, X1, X2 (Spring), to J, K, Lo, TC (Summer), to Lo, M, TC (Autumn), and E, J, P, X2 (Winter). The trophic level index (TLI), Shannon index and Margalef index all indicated that Lake Nanhu was in a mesotrophic state. Redundancy analysis revealed that water temperature, total nitrogen (TN) concentration, and crustacean zooplankton were main environmental factors affecting the phytoplankton functional groups in Lake Nanhu.
杨威, 张菲云, 孙雨琛, 张婷婷, 黄悦, 葛茜, 邓道贵. 淮北南湖浮游植物功能群的季节演替及影响因子研究[J]. 中国环境科学, 2020, 40(7): 3079-3086.
YANG Wei, ZHANG Fei-yun, SUN Yu-chen, ZHANG Ting-ting, HUANG Yue, GE Qian, DENG Dao-gui. Seasonal succession and influencing factors of phytoplankton functional groups in Lake Nanhu, Huaibei City. CHINA ENVIRONMENTAL SCIENCECE, 2020, 40(7): 3079-3086.
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