On the basis of quantification of damage and hygrophilous extend, the indicator plants was studied by multiple regression.
结果表明，油松林分郁闭度是影响松毛虫害发生的主要因子，林内灌草植物喜湿度对虫害具有指示意义。
Through investigate the species of zooplankton and phytoplankton and distribution of hygrophilous vegetation in Fu River's headstream, we evaluate the ecological environment in Fu River's headstream.
通过研究抚河源头水体中浮游动植物的种类及湿地植被分布状况，科学评价抚河源头水生生态环境。
Through investigate the species of zooplankton and phytoplankton and distribution of hygrophilous vegetation in Fu River's headstream, we evaluate the ecological environment in Fu River's headstream.
通过研究抚河源头水体中浮游动植物的种类及湿地植被分布状况，科学评价抚河源头水生生态环境。
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