When making protective strategies for sustainable utilization of resources in constructing eco-city,the quantity of resources and the conflict between resource conditions and development of urban society and economy should be considered synthetically.

Based on the target of ecological province, the meaning of ecological province is analyzed, the assessment objects and content on sustainable utilization of resources in the field of building an ecological province are elaborated, the structural model and the principle of selecting indicators are discussed.

Logistic curve model for regional water resources sustainable utilization based on Immune Taboo Search;

Application of the main component analysis method in comprehensive evaluation of the water resources sustainable utilization in Guangxi province;

Evaluation of water resources sustainable utilization in Dalian based on AHP-PP model;

Based on the analysis of the relationship between water conservation and the sustainable utilization of water resource, water conservation was indicated as the first strategy to achieve the sustainable utilization of water resource.

This paper discussed the causes of water environment pollution and its effect on the sustainable utilization of water resource, based on the interrelations of the natural cycles and the social cycles of water.

From viewpoint of sustainable utilization of water resources,a series of environment impacts by building hydropower projects are studied.