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land sustainability
相关语句
  土地可持续
     EMERGY-BASED ANALYSIS ON LAND SUSTAINABILITY
     基于能值分析的土地可持续利用态势研究
短句来源
  “land sustainability”译为未确定词的双语例句
     Assessment of cultivated land sustainability use of principle and method is analyzed.
     分析了耕地资源可持续利用评价的原则和方法;
短句来源
  相似匹配句对
     SUSTAINABILITY
     可持续性
短句来源
     Dynamic Measurement of Land-use Sustainability
     土地可持续利用的动态度量
短句来源
     EMERGY-BASED ANALYSIS ON LAND SUSTAINABILITY
     基于能值分析的土地可持续利用态势研究
短句来源
     On Resources Sustainability
     资源的持续性
短句来源
     HOLLYWOOD LAND
     《好莱坞庄园》
短句来源
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  land sustainability
The need for and actions to improve land sustainability and environmental quality.
      


Land sustainable use has become one of important environment issues in the world, especially on the Loess Plateau, China. Taking the Zhifang gully which lies in the north part of Shaanxi province, the typical hilly gully loess region as example, this paper described the conception of land patch, expressed the significance of study land sustainable use in land patch scale. From the dominant factor namely agricultural technology view, human knowledge, utility and agricultural technical factors were emphasized....

Land sustainable use has become one of important environment issues in the world, especially on the Loess Plateau, China. Taking the Zhifang gully which lies in the north part of Shaanxi province, the typical hilly gully loess region as example, this paper described the conception of land patch, expressed the significance of study land sustainable use in land patch scale. From the dominant factor namely agricultural technology view, human knowledge, utility and agricultural technical factors were emphasized. A series of factors reflecting the soil fertility, topological condition, degree of soil erosion and limitation of land use was selected, and based on that land abiotic suitability was evaluated. The result of land use suitability was obtained compared with the current land use. Combined with economical evaluation, land sustainability was developed. A model of land sustainable use evaluation in land patch scale was given at last.

本文以陕北安塞纸坊沟为例,阐述了地块的概念和在地块尺度基础上,研究土地可持续利用的意义。从农业技术因子出发,在地块尺度上评价土地可持续利用发展,强调了人类认识程度、利用因素以及农业技术因子的重要性。从生态的角度,评价地块的土地自然适宜性,与土地利用现状结合评价土地的人为利用适宜性。从生态和经济效益评价两方面进行地块尺度土地可持续性发展评价,并初步建立了评价方法与模型

The current pressure of agricultural production on land resources necessitates the developemnt of sustainable land management systems in the upper reaches of Yangtze River.The establishment of such systems requires that there are available methods for assessing land sustainability.Following a discussion on the concept of sustainable land management,the present paper proposed the basic principles on evaluating sustainable land management with special reference to the conditions of the upper...

The current pressure of agricultural production on land resources necessitates the developemnt of sustainable land management systems in the upper reaches of Yangtze River.The establishment of such systems requires that there are available methods for assessing land sustainability.Following a discussion on the concept of sustainable land management,the present paper proposed the basic principles on evaluating sustainable land management with special reference to the conditions of the upper Yangtze River Basin.The followings should be taken into account to assess land management towards sustainability:emphasis on huamn interventions,but not on sole biophysical changes,more attention to preventive assessment,but not on sole rehabilitation methods;involving farmers and local experiences;maintaining long term storage of collected information;and easy monitoring and cost efficient.Although land quality indcators are considered as the indicators of sustainable land management,they include human aspects and especially socio economic ones.

在讨论农业土地持续管理基本概念的基础上, 根据本区情况, 提出今天的土地管理趋向持续性发展需要考虑的基本原则。这些原则包括土地持续管理的指标制定应强调人为干预, 而不仅是生物物理变化的影响; 从预防性的角度, 而不仅是从土地退化后的恢复角度考虑; 结合农民和地方的经验; 注意收集信息的长期性贮存; 必须考虑简单、低成本。根据这些基本原则, 需要以土地质量指标对土地持续管理进行评价,但该指标并不是土地质量本身的简单反映,而是包括了环境因素,特别是土地管理的人为和社会经济影响的综合指标。

With the further development of urbanization, the contradiction between rough handling of urban land and decrease in the average farming land for each person, the questions of urbanization justify the study on intensive utilization of urban land. Starting with the definition of intensive utilization of urban land, this paper analyzes the necessity of intensive utilization of urban land. The principles and methods of appraisal indicator systems (land productivity, land utilization intensity, land input intensity...

With the further development of urbanization, the contradiction between rough handling of urban land and decrease in the average farming land for each person, the questions of urbanization justify the study on intensive utilization of urban land. Starting with the definition of intensive utilization of urban land, this paper analyzes the necessity of intensive utilization of urban land. The principles and methods of appraisal indicator systems (land productivity, land utilization intensity, land input intensity and land sustainability) of intensive utilization of urban land are explored, and the countermeasures to urban development and intensive utilization of urban land are put forward: (1) Urban land is economized and rationally utilized. (2) The structure of urban land utilization is adjusted and optimized. (3) Urban land is of sustainable utilization.

小城镇发展战略地位的确立 ,加速了城镇化进程 ,城镇化过程中的用地粗放与人均耕地锐减之间的矛盾 ,是提出城镇土地集约利用的依据。从城镇土地集约利用内涵界定入手 ,分析了城镇土地集约利用的必要性 ,探讨了城镇土地集约利用定量评价的原则 ,从城镇存量土地产出率、土地利用强度、土地投入强度和土地可持续度 4个方面建立了城镇土地集约利用评价指标总系统。指出城镇发展与土地集约利用的途径。

 
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