In recent years it has been exploited to be a famous scenic spot. To avoid vegetation degradation resulting from human activities and strengthen plant protection, Carpinus turczaninowii communities in great valley were selected as our research subject. The species diversity, interspecific association and correlation, niche breadth and niche overlap in these communities were studied using quantitative methods.

為了加強對該地區(qū)植被的保護，避免因人為干擾而導致的植被破壞和退化精品视频网址，本文以太行山南段的小葉鵝耳櫪群落為研究對象一级黄片观看，在分析了群落主要特征的基礎上，應用數量生態(tài)學方法欧美人禽网站，分別從群落的物種多樣性99久久久无码国产精品动漫、優(yōu)勢種群的種間關系和生態(tài)位三個方面，客觀定量地分析了植物群落的生態(tài)關系三级黄色毛片无遮挡。