【摘要】 本研究采用Simpsen指数、Shannon-Weiner指数对唐山市区主要交通干道绿地的乔木层和灌木层物种多样性调查分析,结果表明:道路旁的物种多样性与道路建成的时间呈负相关,新建道路比旧道路的物种多样性高。根据研究结果进一步讨论了交通绿地存在的问题和改善途径,提出合理化建议。更多还原

【Abstract】 The species diversity of the tree layers and shrub layers of the six urban principal arterial roads greenbelt in Tangshan were investigated by the Simpson index and Shannon-Weiner index .The result showed: the correlation between the plants diversity of the roadside and the time of the road was negative,the diversity of the plants of the new road was higher. At last, the problems and strategies for the road greenbelt biodiversity were also discussed in the paper and some reasonable suggestions were given.更多还原