岩溶区道路干扰对植物多样性的影响——以贵阳市乌当区为例
Effect of Road Interference on Plant Diversity in Karst Area --A Case Study of Wudang Area in Guiyang
摘要
研究了贵阳环城高速公路武当段建设导致的弃耕地、碾压和工程废弃物3种干扰类型植物多样性,3种干扰类型植物多样性均从林缘到林内有所增加,丰富度指数均表现为过度地段最高,符合中度干扰理论。草本多样性和丰富度最高,其次为灌木、乔木和藤本;草本和灌木多样性在干扰下变化差异相对较小。弃耕地干扰类型丰富度指数最大,主要是草本丰富度贡献率大.碾压类型植物多样性和均匀度指数最高,工程废弃物堆放类型丰富度、多样性和均匀度指数最低而变异系数最高。乔木、草本和藤本相似性沿弃耕地类型、工程废弃物堆放类型和碾压类型增加;灌木相似性却
Abstract
The plant diversity of 3 disturbance types which disturbance by highway construction such as farmland interference,roll interference, engineering waste interference of Wudang in Guiyang,Guizhou Province were studied.The plant diversity have been increased
关键词
道路干扰/植物多样性/岩溶区/贵阳市Key words
Road interference/Plant diversity/Karst area/Guiyang引用本文复制引用
基金项目
出版年
2011