城市森林建设效益评价综述
摘要：城市森林，是指在城市地域内以改善城市生态环境为主，促进人与自然协调，满足社会发展需求，由以树木为主体的植被及其所在的环境所构成的森林生态系统，是城市生态系统的重要组成部分。包括城区全部的绿地和各种水体、郊区的片林、护路林、河道林、农田防护林、水体等。作为城市生态环境的保障和支撑，它对于改善城市环境、维护居民身心健康、优化生态格局、统筹城乡发展、推进可持续城市化发展具有不可代替的作用。随着人们环境保护意识的增强和生活水平的提高，人们越来越向往原始生态的生存环境，对城市环境的高要求和需求使得城市向着森林生态的方向发展。各大城市纷纷开展了城市森林建设的行动。
建设森林城市不仅响应了生态文明建设号召，更是符合国家倡导建设“美丽中国”重要措施。对镇江市森林建设的效益评价进行研究，为镇江市建成区森林建设提供效益评价方法。从整体性出发，建立城市森林建设效益评价指标体系，为进一步提高镇江市森林建设效益提供依据。
关键词： 城市森林；建设效益；评价方法；评价指标
Summary of benefit evaluation of urban forest construction
Abstract: Urban forest, refers to the urban area in order to improve the urban ecological environment, promote the coordination between man and nature, meet the needs of social development, from the tree as the main body of vegetation and its environment is composed of forest ecosystem, is an important part of the urban ecosystem. Including all the green space in urban areas and a variety of water bodies, suburban forest, road protection forest, River forest, farmland shelter forest, water body and so on. As the guarantee and support of urban ecological environment, it plays an irreplaceable role in improving urban environment, maintaining residents #39; physical and mental health, optimizing ecological pattern, coordinating urban and rural development, and promoting sustainable urbanization development. With the enhancement of people#39;s awareness of environmental protection and the improvement of living standards, people are more and more yearning for the living environment of primitive ecology, the high demand and demand for urban environment makes the city develop towards the direction of forest ecology. Major cities have carried out actions to build urban forests.
The construction of forest cities not only responds to the call for the construction of ecological civilization, but also conforms to the important measures advocated by the state to build 'beautiful China'. The benefit evaluation of forest construction in Zhenjiang is studied to provide benefit evaluation method for forest construction in Zhenjiang built-up area. Based on the holistic nature, the evaluation index system of urban forest construction benefit is established, which provides the basis for further improving the benefit of forest construction in Zhenjiang.
Key words: urban forests; construction benefits; evaluation methods; evaluation indicators
1 研究背景
