土地利用规模和结构调整的环境影响评价模型研究

Research on the Model for Assessing the Impacts of Land Use Scale and Structure Adjustment on Environment

研究目的:构建一个可全面定量评价土地利用规模和结构调整相关环境影响的模型体系。研究方法:系统整合土地利用类型转移计算模型、多样性指数模型、土地生态服务价值计算模型、生态足迹和生态承载力评价模型等相关模型,并以上海市为例进行实证研究。研究结果:该模型体系比较全面地评价了上海市土地利用规划的环境影响,结果显示上海市的土地利用规划将导致区域土地利用结构明显变化,在一定程度上减少区域生态压力。研究结论:该模型体系能够客观评价土地利用规模和结构调整的相关环境影响,有一定的应用推广价值。

The purpose of this paper is to establish a model system, which can comprehensively and quantitatively assess the impact of land use scale and structure adjustment on environment. Methods employed are to systematically integrate relevant models, including land-use type conversion calculation model, diversity index model, land eco-service value calculation model, coo-footprint and eeo-capacity models, etc. and to conduct empirical research taking Shanghai as an example. The results indicate：（ 1 ）the impacts of land-use plan on the environment in Shanghai model system can relatively and comprehensively assess the City; （2）the assessment results revealed that the land-use plan of Shanghai City will cause remarkable variation on regional eco-pressures to certain extent. It is concluded that the model system land-use structure and will reduce regional can objectively assess the impacts of land-use scale and structure adjustment on environment, and therefore it is meaningful to be applied and popularized.