人类活动的环境效应及生态环境变迁研究述评-周口论文网 关键词：人类活动；环境效应；生态环境变迁；述评 [gap=1005]Key words：human activity；environment effect；ecological environment evolution；review
基于120个网页-相关网页
追溯和重建沈阳地区的生态环境变迁史，揭示城市环境质量与树木年轮变异之间的相关规律。
The results. h. w that under pollution condition, tree ring width and its element content varied sharply, which are closely …
地史时期森林的变迁主要是由于生态环境的变动；
The former is due to the variations of the ecological factors.
血吸虫病的流行给社会带来了诸方面的影响，这包括对农村人口的变迁、乡村经济、生态环境等的影响。
The prevalence of the schistosomiasis brings various influence, including population vicissitude, the village economy, the ecological environment and so on.
应用推荐