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[1]CHEN Bei,MA Rui,QIN Ji-hong,et al.Biodiversity and Smilarity of Sward Meadow Community for Ecological Restoration of Highway Construction in the Zoige Wetland, NW Sichuan Plateau[J].Research of Soil and Water Conservation,2013,20(04):115-119.

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Biodiversity and Smilarity of Sward Meadow Community for Ecological Restoration of Highway Construction in the Zoige Wetland, NW Sichuan Plateau

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 20 Number of periods: 2013 04 Page number: 115-119 Column: Public date: 2013-08-28

Title:: Biodiversity and Smilarity of Sward Meadow Community for Ecological Restoration of Highway Construction in the Zoige Wetland, NW Sichuan Plateau

Author(s):: CHEN Bei¹, MA Rui², QIN Ji-hong³, SUN Hui⁴; 1. Department of Civil Engineering, Jincheng College of Sichuan University, Chengdu 611731;
2. Ecological Environment Monitoring Station of Soil and Water Conservation of Tai’an City, Tai’an, Shandong 271000;
3. College of Urban and Rural Construction, Chengdu University, Chengdu 610106;
4. Department of Environmental Science and Engineering, Sichuan University, Chengdu 610065

Keywords:: Zoige wetland; highway construction zone; ecological restoration; community biodiversity; community stability

CLC:: Q948.12

DOI:: -

Abstract:: Grassland ecosystem restoration and reconstruction in the site of highway construction in the Zoige wetland combining with the rapid recovery mode of artificial turf cutting technology and relocating technology are of the good practical significance in germplasm resources protection area of grassland ecosystem conservation and improvement of germplasm resources. β diversity index is used to measure community, the purpose is to to measure the results of the different grass plots restoration, the meaning lies in revealing the extent of habitat is divided. Through the sampling investigation of ecological restoration of sward meadow community of Langchuan national highway in the Zoige wetland, the diversity of incised sward with the β diversity index was evaluated. It is showed that both β_W(Whittaker index)and β_c(Cody index) were influenced by the change of sampling area, the β_W index increased when the area enlarged, the β_c index was opposite. When β diversity index was measured with species numbers, some errors would arise; when it was measured with relative cover and important value, there was no obviously difference. Similarity indices (Jacard index and Sorenson index) show that the recovery effect was better if the sampling area was larger, and the background was similar to the community.

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