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[1]LIU Jun-li,QIN Fu-cang,YUE Yong-jie,et al.Evaluation of Ecological Benefits on Reforestation in Yijinhuoluo Sandstorm Area of Inner Mongolia[J].Research of Soil and Water Conservation,2013,20(05):104-107,118.

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Evaluation of Ecological Benefits on Reforestation in Yijinhuoluo Sandstorm Area of Inner Mongolia

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 20 Number of periods: 2013 05 Page number: 104-107,118 Column: Public date: 2013-10-28

Title:: Evaluation of Ecological Benefits on Reforestation in Yijinhuoluo Sandstorm Area of Inner Mongolia

Author(s):: LIU Jun-li, QIN Fu-cang, YUE Yong-jie, WANG Chen-chen, SHENG Yan; College of Ecology and Environmental Science, Inner Mongolia Agricultural University, Hohhot 010018, China

Keywords:: returning farmland to forestland and grassland; ecological benefit; evaluation index; sandstorm

CLC:: X826

DOI:: -

Abstract:: Based on the principles of ecologically sustainable development, both comprehensive ecological benefit evaluation index system and mathematical models were built by using analytic hierarchy process (AHP) on reforestation in Yijinhuoluo Sandstorm Area of Inner Mongolia, which include 3 levels and 10 indictors. AHP and Delphi method were used to determine the weight of each index. Comprehensive evaluation of ecological benefits was done for three kinds of typical farmland models in the study area, and comparative study was also carried on for the study area. The results were as follows: (1) the comprehensive eco-efficiency index did not reach four times in three kinds of typical farmland model than in farmland wasteland, the increase was significant for biological effectiveness, land and water efficiency, improving the microclimate benefits and windbreak and sand-effective in the project of returning farmland to forestland and grassland; (2) the order for farmland modes of their overall efficiency index was salix + Astragalus adsurgens > Caragana korshinskii + Astragalus adsurgens > Populus+Astragalus adsurgens > cultivated land; (3) the ecological benefit of Salix + Astragalus adsurgens was the highest in returning farmland to forestland and grassland model. In the appropriate site conditions, the model can be promoted in Yijinhuoluo sand areas or other sandy area in terms of ecological construction.

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