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Acta Prataculturae Sinica ›› 2010, Vol. 19 ›› Issue (6): 55-61.

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Climate-productivity of grassland and its response to climate change in Ili River Basin, Xinjiang, China

SUN Hui-lan12,3, LI Wei-hong1,2, XU Yuan-jie1,2,3, AYOUPU Mubareke1,2,3, CHEN Ya-peng1,2   

  1. 1.Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China;

    2.Key Laboratory of Oasis Ecology and Desert Environmental, Xinjiang Institute of Ecology and
    Geography, Chinese Academy of Sciences, Urumqi 830011, China;
    3.Graduate
    School of Chinese Academy of Sciences, Beijing 100039, China
  • Received:2009-12-25 Online:2010-06-25 Published:2010-12-20

Abstract: Based on precipitation and temperature data between 1961 and 2007, the production potential of grassland climate in the Ili River Basin was calculated by the Miami and Matharnthwaite Memorial models. The grassland climate in the Ili River Basin showed the highest production potential with 4 083.75-8 415.42 kg/(ha·a). The production potential was different in different climatic regions. The plains areas showed the lowest production potential with instability while the hilly regions and mountain basin areas showed relatively high production potential with good stability in mountain basin areas. Precipitation was a more dominant factor than temperature for production potential of grassland climate in the Ili River Basin. In general, the production potential of grassland climate in the Ili River Basin showed an increasing trend, especially after 2000.

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