نتایج جستجو برای: ecological agriculture

تعداد نتایج: 161650  

2006
Hugo F. Alrøe John Byrne Leigh Glover

Introduction.........................................................................................................76 Scope and purpose of the paper.......................................................................79 Sustainability, globalisation and organic agriculture ..........................................79 Dimensions of sustainability ................................................

Journal: :Miscellanea Geographica 1996

2008
Christine A. King

Alternative agricultural systems that emphasize ecological and community resilience provide a bridge between traditional agriculture and natural resourcemanagement. These can be referred to as agri-ecological systems and include systems such as Organic Agriculture, Biodynamics, Community Supported Agriculture (CSA), Permaculture, Farmers Markets and Community Gardens. This paper reports on curr...

Journal: :journal of agricultural science and technology 2014
n. izadi d. hayati

understanding people’s ecological behaviors and the impacts of human activities on natural environment is one of the most important concepts in ecological psychology research. the purpose of this study was to investigate causal relationship between factors and maize growers’ ecological behavior concerning the application of external inputs such as water, fertilizers, chemical pesticides, and ma...

Journal: :Conservation Biology 1993

2001
Amitrajeet A. Batabyal Hamid Beladi

Small farmers in many tropical developing countries practice swidden agriculture. A key aspect of swidden agriculture is the time period during which the land is left fallow. This paper uses a new ecological-economic approach to study the fallow period and to determine the optimal length of this period in swidden agriculture. We first construct a theoretical model of a parcel of forest land tha...

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...

1995
Stephan Rist

The programme was launched on the basis of the European approach to ecological agriculture. Ecological agriculture mainly concentrates on biological processes, which in the field, however, did not permit to take socioeconomic, cultural and political aspects into consideration. The concept of the programme therefore gradually changed towards agroecology, which sees the agroecosystem as the resul...

2017
Miyuki Iiyama Henry Neufeldt Mary Njenga Abayneh Derero Geoffrey M. Ndegwa Athanase Mukuralinda Philip Dobie Ramni Jamnadass Jeremias Mowo

Citation: Iiyama M, Neufeldt H, Njenga M, Derero A, Ndegwa GM, Mukuralinda A, Dobie P, Jamnadass R and Mowo J (2017) Conceptual Analysis: The Charcoal-Agriculture Nexus to Understand the Socio-Ecological Contexts Underlying Varied Sustainability Outcomes in African Landscapes. Front. Environ. Sci. 5:31. doi: 10.3389/fenvs.2017.00031 Conceptual Analysis: The Charcoal-Agriculture Nexus to Underst...

Journal: :Environmental management 2004
Manuel Ortega Josefa Velasco Andrés Millán Cristina Guerrero

The main goal of the present study was to develop an ecological integrity index for littoral wetland management and conservation in semiarid Mediterranean areas that have been highly impacted by agriculture, including the selection of pressure and state indicators at landscape and wetlands scales that reflect the status, condition, and trends of wetlands ecosystems. We used a causality framewor...

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