نتایج جستجو برای: urban agriculture ecological word model
تعداد نتایج: 2461670 فیلتر نتایج به سال:
Modelling Ecologically Sustainable Economie Development in a Region: A Case Study in the Netherlands
This paper f ocuses attention on the relevance of the notion of sustainable development in a regional context and the use of models for regional sustainable development policy. The paper discusses first the notion of sustainable development by linking socioeconomic and ecological elements. Time and space prove to be important dimensions of sustainable development. In a spatial context, an often...
The Department of Ecology, College of Agriculture, South China Agricultural University, Guangzhou, PR China; Key Laboratory of Ecological Agriculture of Ministry of Agriculture of the People’s Republic of China, South China Agricultural University, Guangzhou, PR China; Department of Agricultural and Biological Engineering, Mississippi State University, Starkville, MS, USA; Center for Bottomland...
© The Ecological Society of America www.frontiersinecology.org T geographical context of field study sites greatly influences the ecological patterns, processes, and dynamics observed in these locations. For this reason, the disciplines of ecology and conservation biology have been criticized for disproportionately conducting field studies in temperate zones (Schoener 1983; Platnick 1991; Colle...
Introduction.........................................................................................................50 Organic farming and the challenge of sustainability ...........................................51 Political ecology as one approach to globalisation and sustainable development....53 Growth without borders ..........................................................................
introduction the urban population experienced rapid growth in the recent decades, particularly between 1975 and 2000 when it has reached from 1.5 to more than 2 billion people. by turn of the century; half of the world's populations are concentrated in cities. this would severely affect the quality of life in urban areas. accordingly, cities will be faced with significant challenges in inf...
Over the past 20 years, understanding of the functioning of urban ecosystems has increased to the point where fairly sophisticated models of various subsystems have been developed by scientists working for federal, state, and local agencies, often in cooperation with university researchers. Each is designed to collect data and explore a specific urban/environmental system for issues related to ...
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