【Key words】 Erhai Lake; ecological protection; eutrophication; sustainable utilization countermeasures
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This paper analyses the characteristics of land resources and existing problems in Hebei Province, and points out the countermeasures of sustainable utilization of land resources.
分析了河北省土地资源的特点及利用中存在的问题，并提出了土地资源持续利用的对策。
The State of the Art in Water Resources Utilization in Shiyang River Basin and the Countermeasures for Sustainable Utilization;
文章从制度角度分析了石羊河流域的水资源问题并提出了对策。
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