Research on the Relative Carrying Capacity of Resources Based on the Development of Ecological Agriculture A case of Circum Dongting Lake area

摘要

According to the research method of relative carrying capacity of resources, relative carrying capacity of cultivated land, relative carrying capacity of economics and comprehensive carrying capacity of cultivated land and economics were calculated, and theirs change processes were discussed on the basis of the development of ecological agriculture from 2000 to 2008 in Yueyang, Yiyang and Changde city of Circum Dongting Lake area in Hunan. The research results showed that comprehensive carrying capacity in Circum Dongting Lake area was in the scope of carrying, compared with Hunan province. In order to protect cultivated land and realize the sustainable development of agriculture, some important countermeasures were put forward in Circum Dongting Lake area.