检索结果-南通市图书馆

landscape pattern optimization of Chengdu Based on Modern Garden City

Journal of landscape Research 2016年第4期8卷 45-50页

作者： LIUXu LI Yonghong WANG Kaijun FU Zeqiang Beijing Oriental landscape & Ecology Co. Ltd. State Key Joint Laboratory of Environment Simulation and Pollution Control School of EnvironmentTsinghua University Chinese Research Academy of Environmental Sciences

Toptimization of regional landscape pattern is significant for improving function and value of ecosystem,and restraining the expansion of urban *** Chengdu City for example,this paper applied RS and GIS techniques,landscape indexes and ecological service function evaluation to further analyze the temporal and spatial characteristics of landscape pattern and spatial differences of regional ecological functions,and on this basis,identified the spatial distribution of ecological source *** on the long-term objective of building Chengdu into a modem garden city,this paper applied the accumulative cost distance model and introduced garden city theory to construct regional ecological corridors and ecological nodes,and explored the approaches of optimizing landscape pattern of modem garden *** results showed that a great deal of arable land has been transferred to construction land in the urbanization;intensity of regional ecological functions showed obvious spatial differences;ecological source lands were mainly distributed in the Longmen Mountain,the Qionglai Mountain,the Changqiu Mountain and the Longquan Mountain;according to actual conditions of the study area,the road ecological corridors,river corridors and agricultural corridors in the layout of "four rings and six radial corridors" were constructed;ecological nodes dominated by intersection,wetland and forest park were *** research method and results are significant references for building Chengdu into a modem garden

关键词： Chengdu Modern garden city optimization of landscape pattern landscape index Minimum cost distance model

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