3DURAIAPPAH A K,IKIARA G,MANUNDU M,et al.Land Tenure,Land Use,Environmental Degradation and Conflict Resolution:a PASIR Analysis for the Narok District,Kenya[EB/OL].http://www.iied.org/creed.
4TURNER R K.Integrating Natural and Social-economic Science in Coastal Management[EB/OL].http://www.uea.ac.uk/.
5WINOGRAD M,AGUILAR M,FARROW A,et al.Conceptual Framework to Develop and Use Water Indicators[EB/OL].http://www.worldbank.org/.
6FARROW A,WINOGRAD M.Land use modeling at the regional scale:an input to rural sustainability indicators for central America[J].Agriculture,Ecosystems and Environment,2001(85):249-268.
