| 生物土壤与生态 |
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| Ecological Effects of “Restoring Grazing to Grassland Project” in Maqu County |
| GUO Ni1, HAN Tian-hu2, WANG Jing1, HAN Tao3, SUN Bin2 |
| 1.Lanzhou Institute of Arid Meteorology, CMA; Key Laboratory of Arid Climatic Change and Reducing Disaster; Key Open Laboratory of Arid Climate Change and Disaster Reduction of CMA, Lanzhou 730020, China; 2.Central Station for Popularizing Grassland Techniques of Gansu Province, Lanzhou 730020, China; 3.Lanzhou Regional Meteorological Center of CMA, Lanzhou 730020, China |
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Abstract The ecological effects of Restoring Grazing to Grassland Project in Maqu County are studied with MODIS data and field investigation data. The results showed that: ①The coverage, the height and the biomass in the project region increased 6.8%, 69.2% and 30.2% in 2005, parallelly 5.6%, 61.5% and 30.6% in 2006, respectively. ②The mean NDVI index in prohibition-grazing and rest-grazing regions increased 3.4% and 3.0% in 2005, and 2.6% and 0.9% in 2006, respectively. ③The NDVI index in enclosure increased 5%~50% in 2005 and 2006 more than 2004, obviously in 2005. In a word, the effects of Restoring Grazing to Grassland Project in Maqu County are obvious, especially in prohibition-grazing region.
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Received: 23 October 2008
Published: 20 January 2010
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2010, Vol. 30 
