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城市生态网络
相关语句
  urban ecological network
     Urban Ecological Network & Efficacious Planning
     城市生态网络与效能规划
短句来源
     A Study on Urban Ecological Network
     城市生态网络研究
短句来源
  urban eco-network
     CONSTRUCTING AN URBAN ECO-NETWORK FOR SUSTAINABLE DEVELOPMENT
     构建可持续发展的城市生态网络
短句来源
  “城市生态网络”译为未确定词的双语例句
     Then the article discusses the combination of the city ecological net and the water system of Tianjin from the following two aspects: the protection & resumption of the everglade resource and the construction of the green river corridor by utilizing the connected water system;
     然后从湿地资源的保护和恢复以及利用沟通后的水系构建绿色河流廊道两个方面,探讨了天津的城市生态网络与水系的结合;
短句来源
     Through analyzing the present status of the elements and configuration of urban ecosystem, the relationships among the elements were illuminated, aimed to protect the environment and promote the open spatial value of cities through optimizing urban framework.
     本文通过对城市生态网络组成与结构的现状分析,阐明城市生态系统间的空间关系,以网络结构的优化达到保护生态环境,提高城市整体开放空间价值的目标。
短句来源
  相似匹配句对
     A Study on Urban Ecological Network
     城市生态网络研究
短句来源
     CONSTRUCTING AN URBAN ECO-NETWORK FOR SUSTAINABLE DEVELOPMENT
     构建可持续发展的城市生态网络
短句来源
     Urban Ecological Network & Efficacious Planning
     城市生态网络与效能规划
短句来源
     Network Governance:Path Selection of Urban Sustainable Development
     网络治理:生态城市管理的路径选择
短句来源
     Building ecological cities;
     建设生态城市;
短句来源
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While people are rapidly pushing urbanization, t hey are faced with a challenge to the existence and the habitation environment t hey have never met. In response to the challenge, people have put forward the p lan of taking the road of sustainable developmet and constructing an urban eco-n etwork of sustainable development.

人们在迅速推进城市化的过程中 ,使人类的生存、生活环境面临从未有过的挑战 ,为应对挑战 ,人们提出了走可持续发展的道路、构建可持续发展的城市生态网络的设想

Urbanization is arguably the most dramatic form of land transformation with profound impacts on the natural environment, biological diversity and human life. Human activities have inevitably altered the structure , function, and dynamics of ecological systems, such as fragmentation of natural elements in the urban landscape. Therefore, it has become increasingly important for large-scale ecological research and applications (e.g., urban landscape planning, land use planning, and biodiversity conservation) to...

Urbanization is arguably the most dramatic form of land transformation with profound impacts on the natural environment, biological diversity and human life. Human activities have inevitably altered the structure , function, and dynamics of ecological systems, such as fragmentation of natural elements in the urban landscape. Therefore, it has become increasingly important for large-scale ecological research and applications (e.g., urban landscape planning, land use planning, and biodiversity conservation) to consider the ecological consequences of these dramatic land transformations. It is a major task for urban landscape planners to construct effective and harmonious urban greenbelt networks and maintain a sustainable urban development environment . Based on a land use map created from a Landsat-TM satellite image from the year 2000, a map of a greenbelt system from 2002 and a map of a planned greenbelt system, we used landscape spatial pattern analysis and a series of landscape pattern metrics on a GIS platform to assess the present situation and the planned greenbelt system for Xiamen Island. Based on these analyses, a number of new planning scenarios were designed by using network analysis methods for optimizing the ecological network of Xiamen Island. Some indices that reflected corridor characteristics, such as corridor length and corridor density, were also calculated for every planning scenario. Using network indices such as αβγindices, cost ratio and corridor metrics, an optimal planning scenario E was selected among those planning scenarios of ecological networks. The optimal planning scenario E was then overlaid on the existing plans for a greenbelt system on a GIS platform. A series of landscape metrics were then calculated to assess the improvement of the optimal planning scenario E on the e-cological network of the existing greenbelt system plans for Xiamen Island. Our results showed that the greenbelt system plan for Xiamen Island was an improvement as indicated by a decrease in patch density and increase in edge density, mean patch fractal dimension on the patch level, landscape diversity, landscape evenness, and landscape connectivity. Compared to the existing greenbelt system plan, the optimal planning scenario E would improve the network connectivity and network circuitry considerably . The optimal planning scenario E greenbelt system could improve the degree of landscape fragmenta- tion, increase the shape complexity of greenbelt patches and increase the landscape connectivity greatly. Our results indicated that the methods used were able to integrate landscape pattern metrics with network analyses and quantitatively assess the present situation and the rationality of planning for urban greenbelt systems . Also we demonstrated that these methods could be used to optimize planning scenarios for urban ecological networks to make them more aligned with the principles of conformity, harmony, circulation, safety, diversity and sustainability.

以厦门本岛2000年Iandsat-TM卫星影像解译的土地利用现状图、绿地系统现状图与规划图为基础资料, 在地理信息系统(GIS)支持下,运用景观格局分析方法,选用多种景观指数,评价了厦门本岛绿地系统的现状与已 有规划。在此基础上,应用网络分析法构建了旨在优化生态网络的不同新方案。通过α指数、β指数、γ指数等网络 结构指数,进行不同方案的比较,从中选出最优的规划方案。将选出的生态网络E的廊道宽度设为50 m,叠加到厦 门市绿地系统规划图上,并应用景观指数,定量评价了该优化方案对厦门本岛绿地系统的改善情况。其结果表明: 该优化方案能使景观的破碎化程度得到改善,绿地斑块形状的复杂性程度进一步增加,景观连接度得到提高,说明 优化方案生态网络E可进一步明显改善厦门本岛现有绿地系统的数量和质量。我们的研究结果也表明:应用景观 指数和网络分析法相结合的方法,不仅可以定量评价城市绿地系统现状以及规划的合理性,而且可以优化城市生 态网络的方案,使其更符合城市生态网络建设的整合性、和谐性、流通性、安全性、多样性和持续性原则。

Rapid urbanization accelerates the evolvement of urban landscape through urban function upgrading and spatial configuration renewing. However, the consequent eco-environmental problems, such as landscape fragmentation and heat island effect, have negative effects on the development of urban landscape. Therefore, the spatial optimization of urban landscape should take the economic and ecological needs into account, and propose ecological approaches for solving eco-environmental problems. Through analyzing the...

Rapid urbanization accelerates the evolvement of urban landscape through urban function upgrading and spatial configuration renewing. However, the consequent eco-environmental problems, such as landscape fragmentation and heat island effect, have negative effects on the development of urban landscape. Therefore, the spatial optimization of urban landscape should take the economic and ecological needs into account, and propose ecological approaches for solving eco-environmental problems. Through analyzing the present status of the elements and configuration of urban ecosystem, the relationships among the elements were illuminated, aimed to protect the environment and promote the open spatial value of cities through optimizing urban framework. Taking Shenzhen of the Mainland and Wuxi of Taiwan, the two cities with stable economic development and well environment as study cases, their ecological function networks were evaluated by cost distance model, and the results showed that the urban ecological function networks in Shenzhen and Wuxi were significantly affected by urban development, with the location of their ecological center and economic center polarized obviously. The ecological center was far away from the transmission center, and the ecological functions flow and transmission had to depend more on the ecological components and unblocked structure within the areas of the cities. It was suggested that urban framework should be strengthened to promote urban ecological function, with the landscape units optimized and the key network nodes unblocked, which in turn could optimize urban landscape.

城市景观的发展加速了景观结构的更新,亦使得景观功能日趋完备;同时,由于城市化亦衍生了景观破碎化以及城市热岛效应等一系列限制当前城市发展的环境问题。因此,城市景观优化必须在充分考虑经济和生态双重需求的前提下,寻求与自然生态体系协调的生态问题解决途径。本文通过对城市生态网络组成与结构的现状分析,阐明城市生态系统间的空间关系,以网络结构的优化达到保护生态环境,提高城市整体开放空间价值的目标。选择经济发展稳定且生态环境良好的中国台湾乌溪流域(台中地区)及深圳市为研究区,通过耗费距离模型评价两岸典型城市生态网络结构。结果表明:两地城市生态功能网络均受城市发展影响,生态中心与社会经济中心的空间位置出现显著的两极化,且生态功能中心与联系中心并不吻合,使得生态功能的流动与传输更依赖于城市范围内的生态组分与结构通达性。因此,为提升城市生态功能,需从强化生态功能网络结构入手,整合城市内的生态景观单元,提高关键生态节点的通达性,进而优化城市景观生态。

 
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