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ecological security design
相关语句
  生态安全设计
     On the methods of ecological security design for nature reserves
     自然保护区生态安全设计的方法研究
短句来源
     ECOLOGICAL SECURITY DESIGN FOR NATURE RESERVE OF XUEBAO MOUNTAIN OF CHONGQING
     重庆雪宝山自然保护区生态安全设计
短句来源
     Based on the requirements and the trends of biodiversity conservation at home and abroad,this paper presented the concept of ecological security design for nature reserves,which is a coordinated planning strategy that integrates ecological,social and economic aspects.
     根据国内外生物多样性保护的要求和发展趋势 ,提出了自然保护区生态安全设计的概念 .
短句来源
  相似匹配句对
     On Ecological Security
     论生态安全
短句来源
     Advances in ecological security.
     生态安全研究进展
短句来源
     Security
     安全性
短句来源
     SECURITY
     安全
短句来源
     On the methods of ecological security design for nature reserves
     自然保护区生态安全设计的方法研究
短句来源
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Ecological damage and loss of natural habitats have been resulting in the fragmentation of wild animal and plant population,and nature reserves have become the islands of habitats.The traditional approach that focuses on a single and isolated nature reserve is not enough to protect biodiversity.Ecological processes and components of biodiversity in broad temporal and spatial scope should be protected,and a whole conservation network should be established.Based on the requirements and the trends of biodiversity...

Ecological damage and loss of natural habitats have been resulting in the fragmentation of wild animal and plant population,and nature reserves have become the islands of habitats.The traditional approach that focuses on a single and isolated nature reserve is not enough to protect biodiversity.Ecological processes and components of biodiversity in broad temporal and spatial scope should be protected,and a whole conservation network should be established.Based on the requirements and the trends of biodiversity conservation at home and abroad,this paper presented the concept of ecological security design for nature reserves,which is a coordinated planning strategy that integrates ecological,social and economic aspects.Firstly,a network of nature reserves is designed at regional level;secondly,the area,shape,internal zoning of a nature reserve is designed at the node (nature reserve) of the network;and finally,the connectivity between the network and nodes (corridors) is designed.Network design of nature reserves should maintain the regional integrity and the ecological process integrity of ecosystems.Iterative method,integer linear programming,and Geographic Approach (GAP) should be employed to provide blueprints of conservation planning for one or multiple conservation objectives.

由于生态破坏和自然栖息地的丧失 ,造成野生动植物种群的破碎化 .自然保护区已成为孤立的生境岛屿 .目前以单个、孤立保护区为主的生物多样性保护模式是远远不够的 ,应在广泛的时空尺度上保护生态过程和生物多样性各组成成份 ,建立一个整体的保护网络 .根据国内外生物多样性保护的要求和发展趋势 ,提出了自然保护区生态安全设计的概念 .它是综合考虑了生态、社会、经济的一种协调设计战略 ,首先从区域层次研究保护区网络的优化设计 ;其次 ,在网络的每个节点 (保护区 ) ,研究保护区的面积、形状和内部功能分区 ;最后 ,研究网络与节点的连接 (廊道 ) .自然保护区网络设计应维持生态系统的地域完整性和生态过程完整性 ,采用迭代法、整数规划方法和地理途径方法 ,为一个或多个保护目标勾画出多种保护规划蓝图 .

Recognition and analysis of the key area for ecological security is an important link in the regional pattern for ecological security designing.Using of eco-factor method and GIS technique,the region of ecosystem sensitivity has been classified and regional ecosystem services have been assessed.Firstly,based on land use structure,administrative district and physical geographical conditions taken into account together,Lu'an City is classified as six kinds of ecosystem units.They are forestland,farmland...

Recognition and analysis of the key area for ecological security is an important link in the regional pattern for ecological security designing.Using of eco-factor method and GIS technique,the region of ecosystem sensitivity has been classified and regional ecosystem services have been assessed.Firstly,based on land use structure,administrative district and physical geographical conditions taken into account together,Lu'an City is classified as six kinds of ecosystem units.They are forestland,farmland of garden,pastureland,wetland,land of industry and settlement,and non-use land.Then,five value factors are selected,which are soil erosion,water pollution,water resources stress,acid rain and geological hazard.By the aid of GIS technique,the region of ecosystem sensitivity is classified as four grades (best sensitivity region,higher sensitivity region,sensitivity region and weaker sensitivity region).As a result,spatial differentiation characteristics of integrated ecosystem sensitivity in Lu'an City are showed.Secondly,according maintenance of bio-diversity,water resources protection,flood storage capacity control,conservation of natural and cultural heritage,water holding and supply of ecological system product,ecosystem service functions of different ecological units are evaluated and classified as three grades,which are most importance,more importance and importance.The spatial characteristics of integrated ecosystem services are found out in Lu'an City.Finally,the three key areas for ecological security are identified: the water-holding area in the north slope of Dabie Mountain,lake and marsh along Huai River,Jianghuai Watershed drought region.The main ecological problem and cause are discussed for the three key areas;the corresponding countermeasures are put forward based on regional ecological security in this paper.Those are: 1) to establish and implement rational ecological compensation mechanism;2) to set up early warning system for the regional ecological security;3) to increase scientific and technological investment;4) to practice scientific planning and comprehensive controlling ecological environment;5) to encourage the new regional economic developmental pattern under ecological security.

生态安全关键地段的识别与分析是区域生态安全格局设计中的重要环节。应用生态因子评分方法和GIS技术对区域生态系统进行敏感性区划,并对区域生态系统服务功能进行评价,得出六安市3个生态安全关键地段:大别山北坡水源涵养地、沿淮行蓄洪湖泊湿地和江淮分水岭易旱区。对这3个关键地段存在的主要生态问题及成因进行分析,从生态安全建设的角度提出对策:建立和实施科学合理的生态补偿机制;尽快建立区域生态安全预警系统;加大科技投入,实行科学规划,综合治理生态环境;转变经济发展方式,倡导各产业生态安全下的生产经营运行模式。

This paper describes the general conditions of Nature Reserve of Xuebao Mountain located in Chongqing,introduces the primary features of its natural resources and their scientific value,and discourses on the guiding principles for ecological security design of the reserve.The main contents of this design are presented in brief.

介绍了重庆雪宝山自然保护区的基本情况、保护区自然资源的主要特色及其科学价值,论述了保护区生态安全设计的指导思想和原则,略述了该设计的主要内容。

 
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