摘要
1995—1996年对李家峡水库蓄水前的水生生物和鱼类区系的调查结果:共检出浮游植物37种,浮游动物15种,底栖生物11种和鱼类13种。浮游植物平均生物量0.276mg/L,浮游动物平均生物量0.012mg/L。各类饵料生物的优势种为硅藻、绿藻、蓝藻和桡足类。
The investigation on aquatic and regional system of fishes before store water of lijiaxia reservoir have been carried out during 1995—1996.37 species of phytopl anktons,15 species of 200 planktons, 11 species of benthos and 13 species of fishes were found in this reservior.The average biomass of phytoplankton and zooplankton were 0.276 mg/1 and 0.012 mg/L respectively.The superior species of all living things of feed were Bacillariophyta,Chlorophyta,Cyanophyta and Conpepod