海岸带土地持续利用景观生态评价
收稿日期: 2002-12-19
修回日期: 2003-03-10
网络出版日期: 2003-05-25
基金资助
国家自然科学基金项目(90102018; 49971073)
Landscape Ecological Evaluation for Sustainable Coastal Land Use
Received date: 2002-12-19
Revised date: 2003-03-10
Online published: 2003-05-25
Supported by
National Natural Science Foundation of China, No.90102018; No.49971073
应用景观生态学理论研究土地持续利用问题，从景观生产力、景观受胁度与景观稳定性3方面构建海岸带土地利用可持续性的景观生态评价指标体系，并辅以山东省无棣县土地持续利用的个案分析，将土地持续利用的多重目标与景观格局结合在一起进行土地持续利用时空尺度上的综合评价，是土地持续利用评价研究的有益拓展。评价结果表明，无棣县土地利用可持续性景观生态评价值整体较低，区域差异大。通过聚类分析，将无棣县11个乡镇划分为土地利用的强可持续区、可持续区、弱可持续区、弱不可持续区与强不可持续区等5个梯度区，并分析了自然资源禀赋、乡村现代化、人口规模与人口素质等区域差异成因。
彭建,王仰麟,刘松,吴健生,李卫锋 . 海岸带土地持续利用景观生态评价[J]. 地理学报, 2003 , 58(3) : 363 -371 . DOI: 10.11821/xb200303005
In this paper, applying landscape ecological theory, according to the principles of system comprehensiveness, regional dominance, dynamic variability, landscape ecology, scientific validity, relative independence, and manipulation, we construct landscape ecological indicators for evaluating sustainable coastal land use from the aspects of landscape productivity, landscape threatening, and landscape stability. On the aspect of landscape productivity, four indexes are chosen, that is, index of per unit area yield of crops, index of per unit area yield of aquatic product, index of per unit area total output value of industry and agriculture, and index of per unit area agricultural mechanical energy; on the aspect of landscape threatening, mostly choosing three indexes are chosen, that is, index of population density, index of land utilization ratio, and index of multiple cropping; on the aspect of landscape stability, four indexes are chosen, that is index of landscape diversity, index of landscape fragmentation, index of landscape contagion, and index of landscape fractal. The results of applying landscape ecological indicators for evaluating sustainable land use to case study in Wudi county, Shandong province, well agree with the fact.
Key words： land use; landscape ecological evaluation; coastal zone; Wudi County
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