Forest system productivity is essential feature of forest ecology system.
林业系统生产力是林业生态系统最本质的特征之一。
This paper states that forest tending and low yield forest rebuilding is the effective approach of resuming forest ecology system.
本文着重论述了加强森林抚育低效林改造是恢复森林生态系统的有效途径及其可行性和必要性。
In the forest ecology system, Nitrogen is usually concerned as one of the factors that restrict plants' growing, thus it affects the succession of forest communities.
在森林生念系统中，氮往往成为限制植物生长最重要的因素之一，对森林群落的演替有重要的影响。
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