沈阳市土地生态适宜性初步评价

主要通过运用生态学、土壤学、环境科学、系统科学和计算机科学的理论、手段与方法。根据行政区划和自然地理条件,对沈阳市土地进行评价单元的划分,运用特尔菲法对预选评价指标集进行筛选,建立评价指标体系并确定各评价因子的权重值,通过加权指数和法计算各评价单元的综合评价值,确立土地生态适宜性分级标准,划分沈阳市土地生态适宜性分区,确定划分区域的土地用途,建立沈阳市土地利用适宜生态发展的模式,为沈阳市土地利用规划提供科学依据。

Evaluation of Land Ecosystem Adaptability in Shenyang

Using the theories,means and method of ecology,agrology,environmental science,system science and calculator science,according to the administrative demarcation and the nature geography condition, this paper plots out the evaluation unit of land in Shenyang City, filtrats the index of evaluating applying Delphi method and determines the weight value in order to establish the grade standard of adaptability about land ecosystem,divides the subarea of adaptability of land ecosystem in Shenyang City and their usage, sets up the proper mode to adapt to eco-development,and provides scientific basis for using land in Shenyang City.