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  • CN 62-1070/P
  • ISSN 1000-694X
  • Bimonthly 1981
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Impacts of Precipitation Change on Desert-grassland Vegetation Productivity

  • Zhao Xueyong ,
  • Liu Liangxu ,
  • Wang Wei ,
  • Chang Xueli ,
  • Qu Hao ,
  • Mao Wei ,
  • Jia Kunfeng
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  • 1. Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China;
    2. College of Geography and Planning, Ludong University, Yantai 264025, Shandong, China;
    3. Forestry Bureau of Urat Houqi, Urat Houqi 015000, Inner Mongolia, China

Received date: 2013-08-27

  Revised date: 2014-09-23

  Online published: 2014-11-20

Abstract

Desert-grassland vegetation productivity is significantly influenced by precipitation change, at either annual or seasonal scale, in arid and semi-arid region. In the period of 1971 to 2011, the maximum annual precipitation is 3.76 times of the minimum in the desert-grassland transitional region northern to Yinshan Mountain rightly at the northern part of Inner Mongolia of China. Vector precipitation is more significantly related to vegetation productivity (R=0.920, R0.001=0.801)compared to long term annual precipitation and actual annual precipitation influence. Influence of the monthly accumulative precipitation on the productivity of grass and semi-bush dominated vegetation is more evident in the growing season and the influence in the period of June to August is the most significant.

Cite this article

Zhao Xueyong , Liu Liangxu , Wang Wei , Chang Xueli , Qu Hao , Mao Wei , Jia Kunfeng . Impacts of Precipitation Change on Desert-grassland Vegetation Productivity[J]. Journal of Desert Research, 2014 , 34(6) : 1486 -1495 . DOI: 10.7522/j.issn.1000-694X.2013.00450

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