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。
Among them, the article stresses the influence of ecological environment to investigate the variety distribution of wheat and its cultivation measures, and so on.
其中，侧重联系生态环境的影响，考察小麦的品种分布、耕作栽培措施等内容。
The source, distribution, transformation, transportation of lead in the environment and its effect on ecological system had been concluded, in this paper.
本文综述了铅在环境中的来源、分布、迁移、转化及其对生态系统的影响。
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