基于生态系统服务功能提升的暖温带半湿润地区城市森林营建研究

目的营建和谐健康的城市森林是解决城市问题的重要手段。探索以生态系统服务功能提升为目的的特定地区城市森林营建方式，对于有效指导城市森林建设，落实生态文明发展理念具有重要意义。方法以河北省秦皇岛滨海城市森林项目为研究基础，采用德尔菲法构建城市森林生态系统服务功能评价体系，利用判断矩阵建立评价模型，进而确定各项指标权重；通过权重对比，提出以提升生态系统服务功能为目的的项目区域城市森林规划方案；利用i-Tree软件组件模拟测算、对比营建城市森林前后的生态系统服务价值，科学验证提升生态系统服务功能的城市森林建设意义。结果模拟研究结果表明，基于生态系统服务功能提升的城市森林营建方案不仅具有重要的生态意义，也能产生较大的经济价值，其中，森林游憩价值提升最为显著。结论城市森林的调节服务、支持服务和文化服务是生态系统的核心服务功能。本研究依据生态系统服务功能的评价结果，结合研究区域的实际情况，从提升核心服务功能的角度出发，在植物群落、植物斑块构建，树种选择、生物栖息地营建以及游憩体验等方面提出的城市森林设计方案，可以为暖温带半湿润地区的城市森林营建提供有益参考。 

Urban forest construction based on ecosystem service function improvement in warm temperate semi-humid areas

ObjectiveBuilding harmonious and healthy urban forest is an important means to solve urban problems. This study intends to explore the urban forest construction mode based on the improvement of ecosystem service function, so as to effectively guide urban forest construction and implement the concept of ecological civilization development.MethodBased on the coastal urban forest of Qinhuangdao, Hebei Province of northern China, this paper constructs an urban forest ecosystem service function evaluation system using Delphi method, and determines the weight of each index by constructing evaluation index judgment matrix. Based on the weight comparison, the urban forest planning scheme of the project area was proposed for the purpose of improving the ecosystem service of the project. The i-Tree software component was used to simulate and calculate the ecosystem service value generated before and after the construction of urban forest, so as to verify the significance of urban forest construction based on the improvement of ecosystem service function.ResultThe simulation results show that the urban forest construction design based on the improvement of ecosystem service function not only has important ecological significance, but also can produce great economic value, among which the forest recreation value is the most significant.ConclusionThe regulation service, support service and cultural service functions of urban forest are the core service functions of urban forest ecosystem. According to the results of the evaluation of ecosystem service value and the situation of the study area, this study, from the perspective of the core service function, plaque build in the plant community, plant, tree species selection, biological habitat construction and recreation experience forward design scheme of the urban forest, provides useful reference for urban forest construction in warm temperate semi-humid areas.