生态重建模式的尺度视角--以我国西南喀斯特地区为例

Ecological rehabilitation of the degraded land in karst fragile region is one of the most important issues for China at present. People in karst areas of southwest China have already established a series of ecological rehabilitation models in practice. The authors take the scale perspective of geography to consider the differences of aims and means of ecological rehabilitation models at various scales, and choose typical models at different scales; analyze scale characteristics of these models and their economic, social and ecological benefits. It is concluded that special attention should be paid to scale characteristics of the models when evaluating and choosing them and the ecological rehabilitation at different scales should be combined in order to promote the sustainable development of the region.