Ecological suitability assessment is an important step in ecological planning. Thispaper, by appling multi-dimension niche concept, developed an ecological niche suitability modle (ENSM) according to the relations between regional development and local resource-environment condition. The ENSM, combined with geographical information systems (GIS) andspatial simulation, was used to analyze regional resource and environmental features, and toidentify the suitability of regional resource and environmental facto...