青海湖地区土地持续利用评价

Evaluation of land use sustainability in Qinghai Lake area

本文根据生态、社会、经济本体层面的统一性和机制层面的错综性,综合多种方法,兼顾当前利益和长远利益、局部利益和整体利益,遵从实践性、综合性等原则,从生产性、保护性、稳定性、经济活力、社会可接受性、安全性层面对青海湖地区土地资源持续利用进行了评价。结果表明,从土地生产性层面看,青海湖地区土地可持续利用处于持续利用的起始阶段,且区域间存在空间差异;从土地保护性层面看,不同指标反映的土地资源持续利用阶段存在差异;从稳定性层面看,区域土地利用处于可持续利用的初级阶段,且种植业土地稳定性比畜牧业低;从经济活力层面看,土地利用经济活力不够,处于不可持续阶段;从社会可接受性层面看,土地利用处于可持续利用的起始阶段;从安全性层面看,区域土地利用处于不可持续利用状态。在此基础上,提出了区域土地资源可持续利用战略及对策,为制定可持续发展的土地利用管理策略与方法提供科学依据,为少数民族地区扎实稳步推进社会主义新农村(牧区)建设提供相关决策支持。

Following the principle of practice and syntax,a variety of methods based on the complexity,mechanism and unitarity of ecology,society and economy was used to evaluate sustainable land use in Qinghai Lake area.The evaluation took into account of the land productivity,protective value,stability,economic vitality,and acceptability and security of society.From the view of land productivity,Qinghai Lake area is in start-up phase of sustainable land use with spatial variances among different regions.For the land protective value,developmental stages of sustainable land use evaluated according to different indexes are different.For stability,land use is in the initial stage of sustainability and crop farming stability is lower than that for livestock.Economic vitality of land use in the region is low,indicating unsustainable habitus.Sustainable use of land with regard to acceptability of society is in the start-up phase,while that relating to security is simply non-sustainable.More importantly,this study advances corresponding strategies and countermeasures for sustainable use of land in Qinghai Lake area.It lays further scientific basis for efficient management strategies and methods of sustainable development and utilization of land and related policy-making supports for new countryside construction in minority areas （e.g.pastoral areas）.