川西南山地轮歇地、撩荒地与荒芜人工草地的群落结构研究

Community Structure Character of Rotation Land, waste Land and Waste Man'Made Grassland in Southwest Mountainous Region of Sichuan.

本文论述了川西南山地不同演替阶段,不同人为影响下的轮歇地、撩荒地及荒芜人工草地的环境生态,植物种类组成,群落数量特征,优势度与生产能力,特别比较了不同演替年限的植被经济类群比例。着眼于合理利用,提出通过人工生态因素的渗透促进植被的进展演替和重建优化的次生群落。

The environment ecology, plant species composition, character of community quanity, dominant degree and productivity of rotation land, waste land and waste man-made grassland at different evolution stages and under different artificial influence in southwest mountainous region of Sichuan are discussed in this article. The proportion of economic populations of vegetation at different evolutionary periods are compared especially