杭州湾六市土地生态环境的数量评价及其在国土规划上的意义

在系统调查分析和特尔斐测定的基础上,选取人口密度、耕地人口负荷量、土地工业经济密度、居民点、厂矿用地、>25°土地面积、单位森林蓄积占用土地、耕地非旱涝保收面积7项指标,应用分值权重累加、系统聚类分析和模糊综合评价3种方法对杭州湾6市土地生态环境作综合分析评价,结果可应用于国土规划实践,对探讨土地生态环境评价的理论与方法有参考价值。

Quantitative evaluation of land ecological environment in six cities of Hangzhou Bay and its significance in territory programming.

Based on the analysis, investigation and Delphi's determination, seven factors of population density of land, population loading per unit cultivated land area, residential and industrial using land area, industrial economic density of land, land area with slop of more than 25 degrees, land area per unit growing stock of forest and area of no ensuring stable yields through drought/flood are chosen. Using three methods of weight value accumulation, cluster analysis and fuzzy comprehensive estimation, the ecological environments in six cities of Hangzhou Bay are analyzed and evaluated comprehensively. Results can be applied in practice of territory programming. This test has reference significance to probe into the theory and method of land ecological evaluation.