浮游植物密度与浮游动物的昼夜垂直移动关系不密切。
The diel vertical migration of zooplankton was irrelevant to the phytoplankton density.
浮游动物生物量与浮游植物密度的季节变化趋势相一致。
The seasonal variation of zooplankton biomass was in agreement with that of phytoplankton density.
研究表明，池塘细菌的生长与COD、水温以及浮游动物的生物量呈正相关，而与浮游植物的生物量相关性不十分明显；
The results showed that bacterial growth was positively correlated to water temperature. COD and zooplankton biomass, but it did not directly correlated with phytoplankton biomass.
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