长白山自然保护区道路使用对路域植物和土壤的影响

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Abstract

Road is one of the important reasons that cause the marginal habitats in the forest landscapes,and the estimation of its effect distance on plant species diversity and soil physical characteristic is a key issue to integrate the road effect and ecological processes in forest area.In this paper,the forest community and the soil at a distance of 0 m to 108 m from the each side of two 6-8 m wide roads with different use intensity in Changbai Mountain Natural Reserve were installed to conduct vegetation investigation,air temperature and soil analysis.The results are as follows.The ecological factors including air temperature,soil temperature,soil water content and soil pH showed a positive edge effect in the road-effect zone of the two different use intensity roads,and the effect distance of high use intensity road reached up to 12 m to 24 m longer than the low use intensity one.Within the road effect distance 20 m from the roadside, Shannon-Wiener index of tree layer was significantly higher than the forest away from the road 100 m.The effect distance of Shannon-Wiener index of herbaceous layer beside the high use intensity road was higher than the low use intensity one,with the distance of 12 m to 24 m.Herbaceous plants of roadside were 7 to 11 kinds more than the ones of 100 m from the roads.

Key words： Changbai Mountain Natural Reserve road effect zone plant diversity temperature soil edge effect

Received: 25 October 2012

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	Articles by authors
	GAO Peng
	JIN Yong-huan
	WANG Jing-tian
	SONG Zhu-fu
	CAO Yan-ping
	ZHOU Hai-cheng

Cite this article:

GAO Peng,JIN Yong-huan,WANG Jing-tian, et al. Influence of road utilization on plant and soil in road effect zone in Changbai Mountain Natural Reserve[J]. , 2012, 31(5): 473-480.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2012/V31/I5/473

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