农地可持续利用的能值方法探讨  

Analysis on the Sustainable Utilization of Agricultural Land using Emergy Methods

作　　者：吴玉琴[1] 

机构地区：[1]中国科学院广州地球化学研究所,广东广州510640

出　　处：《科技进步与对策》2009年第15期45-47,共3页Science & Technology Progress and Policy

基　　金：广东省科技计划项目(2007B031800019)

摘　　要：应用Odum所建立的能值理论和方法,通过能值指标评价各类用地的土地利用效率并探讨不同农作物的农地效益,寻找农地可持续利用的途径,从而为土地使用的可持续规划提供方法上的参考依据。In order to study the contribution of agricultural lands to the sustainability of mega-city area, the emergy synthesis ,developed by Odum, is incorporated in this paper to evaluate the energetic efficiency of land use. The emergy evaluation of different crops is also performed to measure their contribution to the sustainable development of agricultural lands for sustainable land-use planning to provide a reference.

关 键 词：农业土地资源 能值分析 

分 类 号：F301[经济管理—产业经济]