论文部分内容阅读
运用种群生态学和群落生态学的基本原理和方法，在大量野外调查并查阅大量有关国内外文献资料的基础上，对宾西林场封山育林后的天然次生林，从年龄结构的角度，对封育不同年限的群落，按阴、阳坡进行了研究和探讨，揭示出群落中各种群年龄结构的基本规律。
Based on a large number of field surveys and a large number of relevant literature at home and abroad, based on the basic principles and methods of population ecology and community ecology, the natural secondary forest after closing hillsides and afforestation in the Beinhilin Forest Farm was analyzed from the perspective of age structure. Years of community, according to the Yin and Yang slope were studied and explored to reveal the basic structure of the various age groups in the community.