黄土丘陵区纸坊沟流域“退耕还林”工程实施后生态足迹变化分析
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国家自然科学基金(40771082);中国科学院西部行动计划(二期)项目(KZCX2-XB2-05-01-03)


Changes of Ecological Footprint After Cropland Conversion to Forest Land Project of Zhifanggou Watershed in Loess Hilly and Gully Region
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    摘要:

    以黄土丘陵区纸坊沟流域所辖3个自然村农户的调查资料为依据,利用生态足迹理论及模型对该流域生态足迹与生态承载力进行了测算。结果表明,纸坊沟流域退耕还林工程实施前(1999年)生态足迹0.9910 hm2/cap,生态承载力0.8926 hm2/cap,生态赤字0.0984 hm2/cap;退耕还林工程一期结束后(2007年)生态足迹1.0188 hm2/cap,生态承载力1.2703 hm2/cap,生态盈余0.2515 hm2/cap,说明退耕还林工程的实施已见成效;同时退耕还林一期工程实施前后3个自然村生态足迹顺序并未发生变化,这与其区位特征一致。根据该流域及其3个自然村的发展特点,为实现其可持续发展,应发展商品型生态农业,强化产业与资源的耦合。

    Abstract:

    Ecological footprint theory and model have been applied to calculate the ecological footprint and ecological capacity,according to the investigation on the three natural villages of Zhifanggou watershed in the loess hilly and gully region.Before the implementation of cropland conversion to forest land project,the ecological footprint was 0.991 0 hm2/cap,the ecological capacity was 0.892 6 hm2/cap,and the deficit was 0.098 4 hm2/cap(1999).After the first stage project(2007),the ecological footprint was 1.018 8 hm2/cap,and the ecological capacity and the ecological surplus had reached 1.270 3 and 0.251 5 hm2/cap,respectively.The results indicate that the cropland conversion into forest land project has given rise to sound effects.Meanwhile,the ecological footprint order for the three natural villages did not change,which was unanimous with its regional characters.Ecological agriculture with commodity economy should be developed and the relation between industry and resources should be consolidated in the watershed to realize the sustainable development in the region,according to the development process of the 3 natural villages.

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刘佳,王继军.黄土丘陵区纸坊沟流域“退耕还林”工程实施后生态足迹变化分析[J].水土保持通报,2008,(5):161-165

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  • 收稿日期:2008-03-05
  • 最后修改日期:2008-05-15
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  • 在线发布日期: 2014-11-26
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