Mean ± SD of the abundance (ind. l^-1) in the studied sites of outlet section lake.

Different letters in the same row indicate significant differences among zooplankton groups between lake outflows (P < 0.05).同一行中的不同字母表明，不同湖泊出水口的浮游动物（zooplankton）类群之间存在显著性差异（P < 0.05）。