中国农牧与风水蚀交错区的空间格局与生态恢复

Spatial Pattern of Ecotone Between Agriculture and Animal Husbandry and Water and Wind Erosion Interleaving and Its Ecological Rehabilitation

运用遥感与 GIS为技术支撑 ,以专家知识为依据 ,从而定量计算出中国的农牧与风水蚀交错区。在此基础上 ,阐述二者在空间上的分布特征。风水蚀交错区主要分布于我国大兴安岭 -阴山 ,秦岭 -祁连山一线分布的区域 ,农牧交错区主要分布于辽宁与内蒙古接壤处 ,山西北部 ,陕西北部 ,到甘肃东部 ,秦岭以北 ,六盘山以东的地区 ,二者在空间格局上的不重合 ,使得我国 ,特别是北方地区存在两个生态脆弱区 ,这样对环境产生不利影响。进而从生态重建的角度提出治理对策。

Supported by remote sensing and GIS, this paper calculates the ecotone between agriculture and animal husbandry and water and wind erosion interleaving in term of expert knowledge, expounding their spatial distribution characteristics. The results show that water and wind erosion interleaving mainly distributes in Daxinanling Yinshan mountain and Qinling Qilian mountain. Ecotone between agriculture and animal husbandry mainly distributes in border on Liaoning and Inner Mongolia, north Shanxi, Shannxi,and east Gansu province. There exists largely difference from these zones spatial distribution and two ecology fragility zones in north China. This distribution has bad impact on environment. Finally, it is suggested some countermeasures to treat from the ecological rehabilitation.