Poyang Lake,the largest freshwater lake in China,has a large water surface only during wet seasons. However,for most time of the year,about nine months,Poyang Lake is more like a riverine rather than a lacustrine ecosystem,with short water residence time,rapid flows,high suspended solid concentrations,and low water transparences. Considerable studies have focused on the role of trophic state by defining the spatial and temporal distributions of zooplankton,but few studies have investigated the habitat types...
2江西省鄱阳湖水利枢纽建设办公室,南昌3300463中国科学院大学,北京100049Bosmina spp.,and Daphnia could be found throughout the year.The remaining species(normally thermophilic)could onlybe observed during certain seasons,for example,Diaphanosoma spp.was only