ZOOPLANKTON COMPOSITIONS AND ITS RELATIONSHIP WITH SURVIVABILITY OF THE YANGTZE FINLESS PORPOISE IN THE NANJING YANGTZE DOLPHIN NATURE RESERVE
文献类型： 外文期刊
第一作者： Shi, K. J.
作者： Shi, K. J.;Wu, L.;Zheng, Z. R.;Li, X. Y.;Guan, X. Y.;Wang, R. T.;He, K.;Liu, K.;Liu, K.
作者机构：
关键词： taxonomic richness; density; fishing potential; heterogeneity; environmental factors
期刊名称：APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH （ 影响因子：0.7； 五年影响因子：0.9 ）
ISSN： 1589-1623
年卷期： 2023 年 21 卷 5 期
页码：
收录情况： SCI
摘要： To understand the community structure of zooplankton and assess the survivability of the Yangtze finless porpoise (YFP), a field investigation of seasonal variation of zooplankton and environmental parameters was conducted in the Nanjing Yangtze Dolphin Nature Reserve (NYDNR) from October 2021 to August 2022. The results showed that: (1) a total of 54 species were identified, and the number of species belonging to protozoa, rotifer, cladocera, and copepods was 19, 12, 11 and 12, respectively; (2) the total zooplankton density was 21571.65 ind./L, dominated by protozoa (89.7%), and the total biomass was 6.6762 mg/ L, dominated by rotifer (28.0%) and copepods (48.2%); (3) the assessment results of water quality showed that the NYDNR was classified as mesotrophic level, it was indicated that the water quality of the NYDNR satisfied the living requirement for YFP; (4) the fish productivity in the NYDNR is about 43139.34 kg, which could meet the nutrition requirements of 28 YFPs, and fish potential productivity estimation through zooplankton showed that food sources of YFP were being threatened. The results of this study not only improved the understanding of the community structure of zooplankton, but also have important implication to the protection of YFP in the NYDNR.
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