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- Feasibility Report on Urban Ecological Forest Seedlings Belt Construction 苗圃式城市生态林带工程建设的可行性初探
- urban ecological forest 城市生态林
- Regulations of Jiangsu Province on Public Ecological Forest. 江苏省生态公益林条例。
- Within the planned area , an urban ecological landscaping pattern shall be established with “urban forest” and “ecological residential quarter” as main construction form. 在规划区域内以“城市森林”和“社区生态单元”为主体建构“全空间生态网络”的城市生态景观格局:
- Multi-funtional Area The area is located north to Central Area and is designated for urban ecological development. 多功能区域这个区域位于中央居住区的北面,并设计成可以促使城市生态的发展。
- In 1998, the government reclassified the forest Shi made from commercial forest to ecological forest, making it difficult for... 政府可通过招标方式委托私人建设生态林,也可采购(征收、租赁)私人建设的生态林为社会提供生态安全服务。
- Urban ecological planning is an important approach to correspond urban society,economy and environment. 城市生态规划是实现城市社会、经济和环境协调发展的重要途径。
- Urban forestry takes serving urban ecological system and maintaining its good operation as purpose. 摘要城市林业以服务城市生态系统,并保持其良好运行为主旨。
- The development of market economy and the protection of urban ecological environment are an undivided integral. 发展市场经济与保护城市生态环境是不可分割的一个整体,两者是可以相互促进的。
- The ecological forest protection value calculated by the farmers’ WTA is more than the governmental payment, while less than the ecological benefit value. 相比之下,由农户意愿补偿值计算的生态公益林价值要远高于国家的实际补偿支付,但是又远小于生态公益林所带来的实际生态价值。
- The result showed that vegetational varieties in ecological forest in Shanghai is relatively shortage, the plantation structure is too simple, and it is lack of the natural enemy. 调查表明:上海城市生态系统中的植物种类相对稀少,林分结构较为单一,缺乏病虫害天敌;
- The theories and methods of urban ecological function zoning are proposed and a case of Changchun is researched in the paper. 城市生态功能区划是建设生态城市的基础和科学依据。
- Urban sustainable development are the important trend and hotspot of research in the field of urban ecological environments.Ecocity is the ideal mod... 指出了城市可持续发展是当代城市生态环境问题研究的重要动向和热点,生态城市是人类可持续发展城市的理想模式;
- The ecological construction of human settlements environment hasbecomed a valid approach that we alleviated urban ecological crisis. 人居环境的生态化建设成为目前缓解城市生态危机最有效的途径。
- Urban Ecological Supporting System (UESS) offers a n essential supporting to urban,which is an combined man-made ecosystem. 城市生态支持系统是城市这一复合的人工生态系统可持续发展的重要支持系统。
- In the course of building ecological city and harmonious society,more attentions are paid for the construction of urban ecological culture. 在构建和谐社会和创建生态城市的潮流中,生态文化建设日益显示出其重要性。
- Based on the investigation and research, the Masson pine and Walnut are choosed as representatives of ecological forest and production forest. Then this paper forecasts their net income in different years and compares with the opportunity cost. 该文在对贵州省进行实地调研的基础上,以马尾松林和核桃林分别作为生态林和经济林的代表,对其不同年份的净收益进行了预期,在此基础上,通过与退耕还林机会成本的比较,得出马尾松和核桃种植农户的收益情况。
- We can impounding the rainwater to supply the underwater by permeating into the soil and so on,and improve the urban ecological environment. 随着城市规模的不断扩大,不透水地面也随之增加,给城市生态环境带来的负面影响逐渐显现。
- The main factor of the dynamical change of the ecological forest in Minjiang Watershed was the mutual change among the broadleaf, Chinese fir, pinus massoniana and mixed forest, and there was relatively small change in other types. 闽江流域生态公益林动态变化的主导因素是阔叶树、杉木、马尾松与针阔混交林之间的相互转化,其它森林类型变化相对较小。
- Firstly, Eucalyptus utilization including paper pulp timber, saw timber, process and utilization of Eucalyptus oil, landscaping of park and garden and ecological forest were briefly reviewed. 重点论述了当前桉树研究现状和成果(包括纸浆材、桉树珍贵树种及大径材培育、耐寒桉树、材性及加工、桉树与环境、桉树育种新技术及现代化育苗技术等);