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Ecological Cues, and Thinking of Ecological Security of Mountain Urbanization ——The Case of Yan'an City in the Loess Hilly and Gully Region of Northern Shaanxi
Author(s): 
Pages: 22-25
Year: Issue:  12
Journal: Chinese Landscape Architecture

Keyword:  landscape architecturemountain urbanization strategyecological approachecological security;
Abstract: 受土地资源约束,更多山地区域城市(镇)空间拓展转向"向山要地"的趋势已不容忽视在山地区域以生态线索为依据,尊重自然生态环境要素特征,避免生态安全隐患,科学地开展城市建设,对于保障城镇化战略的进一步实施有着极为重要的意义.基于延安城镇化推进过程中面临的现状问题分析,借鉴云南省、重庆市和湖北省十堰市等类似的山地城镇化实践经验,以生态为导向,尝试提出了山地城镇化的建设思路和具体策略;并以延安城市建设为例,结合区域生态格局要素,提出了基于小流域汇水自然特征保护的"分散式"空间布局形态、基于水土流失防治的淤池坝综合利用、"挖建填避"策略导向的建筑布局模式以及城市功能整合引导人口再分布4项具体的山地城镇空间建构模式.以期为中国山地城镇化过程提供有益的思路.
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