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[1]LUO Shuang,SUN Hai-long,LIU Chong,et al.Study on Vegetation Diversity of Road Verge after Natural Restoration in Sichuan Province, China[J].Research of Soil and Water Conservation,2011,18(06):51-56,61.

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Study on Vegetation Diversity of Road Verge after Natural Restoration in Sichuan Province, China

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 18 Number of periods: 2011 06 Page number: 51-56,61 Column: Public date: 2011-12-20

Title:: Study on Vegetation Diversity of Road Verge after Natural Restoration in Sichuan Province, China

Author(s):: LUO Shuang¹, SUN Hai-long², LIU Chong¹, LI Shao-cai^1,2, PANG Liang¹, LI Cheng-jun¹; 1. School of Life Science, Sichuan University, Chengdu 610064, China;
2. State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, China.

Keywords:: Sichuan Province; road ecology; natural vegetation restoration; plant diversity

CLC:: X171.4;X176

DOI:: -

Abstract:: In this paper, we investigated road verge vegetation to study the plant diversity after natural restoration with line transect surveys in Sichuan Province. There are 66 families and 159 genera of 190 plant species, including 81 species of shrubs, 109 species of herbs. Margalef richness index, Shannon-Wiener diversity index, Simpson index, Pielou evenness index and Cody diversity index were selected to examine the relationships among plant community diversity, slope, aspect, elevation, recovery duration. The results showed that habitats with slope from 45° to 60°, the south faced slope, the elevation of 500～700 m and the recovery duration>10 years slope had higher community diversity, contributing to the vegetation restoration. However, habitats with slope>60°, the north faced slope, at an altitude>700 m, and the recovery duration<10 years had the lower diversity. In addition, Cody index was used to analyze β-diversity along the slope and elevation environmental gradient, which was consistent with the results of α-diversity. During the course of ecological restoration of road verge vegetation in this region, habitats with lower diversity resulted from adverse environmental factors, well-adapted species, higher species richness and density, with additional artificial interferences should be adopted to enhance the community diversity.

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