千岛湖蓝藻生物量制约因素分析

以千岛湖监测数据为依据，运用相关性分析和多元逐步回归统计方法，对蓝藻生物量与环境理化指标的关系进行研究分析，找出与蓝藻生物量显著相关的环境因子，建立多元逐步回归方程，预测千岛湖藻类生物量的变化情况，分析结果表明，水温，水深和总磷为蓝藻生物量的显著相关因子。

Research on Controlling Factors on Blue Alga Biomass in Qiandao Lake

This paper makes an analysis on relation between blue alga biomass and environment physical and chemical index based on monitored data and through correlation analysis and stepwise multiple regression statistics.The analysis identifies the environmental factor that has obvious relation with blue alga biomass and thus further establishes stepwise multiple regression equation to forecast the change of blue alga biomass.As shown by the analysis,temperature and depth of water and total phosphorus are related factors to blue alga biomass.