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[1]MIAO Jing,ZHANG Kebin,LIU Jiankang,et al.Niche Characteristics of Plants in Artificial Fencing Field of Yanchi County in Semi-arid Area[J].Research of Soil and Water Conservation,2015,22(04):342-347.

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Niche Characteristics of Plants in Artificial Fencing Field of Yanchi County in Semi-arid Area

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 04 Page number: 342-347 Column: Public date: 2015-08-28

Title:: Niche Characteristics of Plants in Artificial Fencing Field of Yanchi County in Semi-arid Area

Author(s):: MIAO Jing, ZHANG Kebin, LIU Jiankang, LIU Xiaodan; College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China

Keywords:: semi-arid area; artificial fencing field; niche breadth; niche overlapping

CLC:: Q948

DOI:: -

Abstract:: In order to study vegetation niche characteristics in artificial fencing field of semi-arid area, three measures were applied in Liuyangbao fencing field in Yanchi County, namely core zone(E), marginal zone(E₁), peripheral zone(E₂); 1 m×1 m quadrat was randomly set up in lines for respectively investigating the names of plants, species, numbers, height, coverage, biomass etc. The niche breadth and niche overlapping of plants in artificial fencing field in Yanching County were measured by means of Levins niche breadth index and Pianka niche overlapping index. The results showed that Artemisia scoparia, Artemisia ordosica, Salsola ruthenica are main dominant species in artificial fencing field; the larger niche breadths in core zone were Artemisia morrisonensis and Salsola tragus with 0.76, 0.71. The larger niche breadths in marginal zone were Artemisia ordosica and Salsola tragus with 0.72, 0.69 and the larger niche breadths in peripheral zone were Salsola tragus and Artemisia ordosica with 0.73, 0.64. The results of niche overlapping analysis also showed the largest niche overlapping of all zones appeared to the niche with small breadth of plants. In addition, the niche overlapping and niche breadth did not have a positive correlation.

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