本文对西部开发的历史经验作了简要的回顾;对可持续发展途径应遵循的人与自然和谐共进、区域建设定位应与环境特征梯度相对应和适度发展等基本观点从理论和实践意义上作了阐明;对植被发展的边界从需要和可能两方面作了分析,并对确定的方法和依据通过实例给以了说明;对植被建设中的节水材料选育、群落结构合理性、天保工程和合理采伐3个方面指出了存在的问题及解决的方法。
The historical experience of Great West Development was briefly reviewed in this paper.Expatiation from theoretical and practical significances has been made on some basic principles that sustainable development should follow:harmonious development of human and nature,correspondence between the orientation of regional construction and gradients of environmental characteristics, and moderate development.The boundary of vegetation development was analyzed from tiers of need and possibility and methods and evidence for boundary definition were demonstrated with examples.Existing problems and solutions were pointed out from three aspects of the selection of water-saving plant species in vegetation construction,the rationality of community structure,and the Natural Forests Conservation Project and rational cutting.
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