2012•Unpublished venueRequires access

Response of Population Features of Stipa krylovii Grassland to Grazing Intensities

Lan Hai

Abstract

Grazing try in Stipa krylovii grassland of Elitu in Zhengxiangbai Banner of Xilinguole League was conducted in 2010 and 2011.The results showed that the importance value,height and coverage of dominant species,such as Stipa krylovii and Leymus chinensis,significantly decreased with an increase of grazing intensities,and gradually replaced by Artemisia frigida and Cleistogenes squarrosa,primary grassland productivity was declined.

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Key concepts: Leymus, Grassland, Grazing, Stipa, Agronomy, Population, Biology, Sociology