Long-term effects are primarily mediated by changes in tree species composition and the consequent alterations of forest structure, productivity, and nutrient uptake.
长期影响主要是由树种组成的变化以及随之而来的森林结构、生产力和养分吸收的变化所导致的。
Mingling is one of the important spatial structure indices to describe tree species segregation of mixed-species forest.
混交度是描述混交林中树种混交程度的重要空间结构指数。
In the view of some problems existed in tree species and breed structure and its management, some improving advice are put forward in this paper.
在树种和品种结构及管理上，都存在一些问题，本文对此进行阐述，提出了改进意见。
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