Abstract：Plankton community structure was surveyed in Ganggenghu Lake in Hexigten Qi, Chifeng City, Inner Mongolia Autonomous Region in May, July and September 2018 according to the handbook for investigation of fishery resources in inland waters. A total of seven phyla and 71 species(genera) of phytoplankton were found, including 30 species(genera) in Chlorophyta, 18 species(genera) in Bacillariophyta, 4 species(genera) in Cyanophyta, 4 species(genera) in Euglenophyta, 2 species(genera) in Cryptophyta, 2 species(genera) in Pyrrophyta and 1 genus in Xanthophyta. There was average density of 7882.43×104 ind/L and biomass of 31.054 mg/L in phytoplankton. A total of 34 species(genera) of zooplankton were identified in Ganggeng Lake, including 12 species(genera) of rotifers, 9 species of protozoa, 8 species of cladocerans and 5 species of copepods, with average density of 2947.5 ind/L and biomass of 23.198 mg/L. There were average Margalef richness index of 1.077, average Shannon-Wiener diversity index of 1.947, and average phytoplankton of Pielou evenness index of 0.466 for phytoplankton. In zooplankton, there were average Margalef richness index of 1.992, Shannon-Wiener diversity index of 2.141 and average phytoplankton of Pielou evenness index of 0.552. The plankton species, biomass and diversity index indicated that the water in Ganggenghu Lake was super eutrophic, and that the productivity of silver carp (Hypophthalmichthys molitrix), and bighead carp (Aristichthys nobilis) was 553.42 kg/hm2 based on the natural food resources of plankton in the lake.
周波波, 杨子龙, 张子媛, 李毅超, 邵旭东, 白禄军, 王欣然, 刘青. 岗更湖浮游生物调查及鱼产力评估[J]. 水产科学, 2020, 39(5): 734-743.
ZHOU Bobo, YANG Zilong, ZHANG Ziyuan, LI Yichao, SHAO Xudong, BAI Lujun, WANG Xinran, LIU Qing. Plankton Community Structure and Productivity of Silver Carp and Bighead Carp in Ganggenghu Lake, in the Inner Mongolia Autonomous Region. 水产科学, 2020, 39(5): 734-743.
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2020, Vol. 39 
