نتایج جستجو برای: urban agriculture

تعداد نتایج: 232465  

Journal: :محیط شناسی 0
حمیدرضا پورخباز استادیار گروه محیط زیست، دانشکده منابع طبیعی دانشگاه صنعتی خاتم الانبیاء بهبهان سعیده جوانمردی دانش آموخته کارشناسی ارشد برنامه ریزی، مدیریت و آموزش محیط زیست، دانشکده محیط زیست دانشگاه تهران احمدرضا یاوری دانشیار گروه برنامه ریزی، مدیریت و آموزش محیط زیست، دانشکده محیط زیست دانشگاه تهران حسنعلی فرجی سبکبار دانشیار گروه کارتوگرافی، دانشکدهجغرافیا دانشگاه تهران

peri-urban area development process decreases agricultural land use because of significant trend of city sprawl. in the agricultural sector, goals for sustainability generally include maintenance or enhancement of the natural environment, meeting of human needs for food, economic viability, and social welfare. as agriculture has enormous environmental impacts on peri-urban regions, it is necess...

Journal: :Urban Agriculture & Regional Food Systems 2018

Journal: :International Journal of Environment, Agriculture and Biotechnology 2016

Journal: :The Geographical journal 2012
Rolando E Díaz-Caravantes

The peri-urban area is the region where there is a more dynamic interaction between the urban and rural. The peri-urban area supplies natural resources, such as land for urban expansion and agricultural products to feed the urban population. In arid and semi-arid lands, such as northern Mexico, these areas may also be the source of water for the city's domestic demand. In addition, scholars arg...

2006
Tingting Zhao Daniel G. Brown Kathleen M. Bergen Amy C. Powers

Changes in landscape composition and productivity between 1991 and 1999 were examined over Southeastern Michigan. The pixel-wise changes were first summarized by 2000 Census block groups, which were grouped by settlement density. According to the areaweighted average, built-up area increased by 8.85%, forest increased by 13.73%, and agriculture decreased by 22.38%. During the same time period, ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2012
Laurette Dubé Prabhu Pingali Patrick Webb

This special feature calls for forward thinking around paths of convergence for agriculture, health, and wealth. Such convergence aims for a richer integration of smallholder farmers into national and global agricultural and food systems, health systems, value chains, and markets. The articles identify analytical innovation, where disciplines intersect, and cross-sectoral action where single, l...

2010
Jin Li Chunjiang Zhao Xiangyang Qin Gang Liu

China is at a critical stage of transformation from traditional to modern agriculture and its agriculture and rural economic sector faces severe challenges of shortage of natural resources, environmental degradation, agricultural disasters, sluggish income growth of farmers and widening disparity between urban and rural areas. The fundamental solution to these problems lies with the advancement...

2013
G. D. Breetzke E. Koomen W. R. S. Critchley

Soil erosion – the detachment and transportation of particles from soil aggregates by erosive agents (Stocking, 1984) – is regarded as one of South Africa’s most significant environmental problems (Meadows, 2003). In South Africa, roughly 6 million households derive all or some of their income from agriculture (South African Department of Agriculture, 2007). Roughly 25 % of the population is di...

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