نتایج جستجو برای: ecological sustainability

تعداد نتایج: 159201  

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: :Journal of environmental management 2011
Melinda Harm Benson Ahjond S Garmestani

Environmental law plays a key role in shaping policy for sustainability of social-ecological systems. In particular, the types of legal instruments, institutions, and the response of law to the inherent variability in social-ecological systems are critical. Sustainability likely must occur via the institutions we have in place, combined with alterations in policy and regulation within the conte...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
عبادالله نعمتی کارشناس ارشد توسعة روستایی، دانشگاه تهران هوشنگ ایروانی استاد دانشکدة اقتصاد و توسعة کشاورزی، دانشگاه تهران علی اسدی استاد دانشکدة اقتصاد و توسعة کشاورزی، دانشگاه تهران

the main purpose of this paper is analyzing sustainability condition for potato cultivation in bahar-hamedan plain. potato farmers population in this plain is 2054 individuals. we obtained sample size, which are 162 by using cochrane’s formula. for increasing accuracy 172 samples fill out the questionnaires. data analyzed by spss software. results showed that sustainability level was low or ver...

Journal: :international journal of advanced biological and biomedical research 2015
somayeh jangchi kashani jamal f. hosseini m. mir damadi ardeshir mesbah

objective: today, addressing the issue of sustainability especially in agriculture has received more attention. sustainability in the systems of canola cultivation depends on many factors like ecological, social and economic dimensions and understanding these factors can result in formulation of policies and strategies for sustainable agricultural development. methods: 8961 canola farmers of qa...

Alireza Poursaeed Amir Ahmadpour Hadi Moumeni-Helali

This study is a survey research. The population of the study was all specialists who have enough data about ways of sustainability rice cultivars that they were identified and studied through Non-probability sampling (purposeful and snowball). To determine the validity of the questionnaire, face and content validity was used, and, to assess the reliability, inconsistency coefficient was used. I...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
شهلا چوبچیان دانشجوی دکتری توسعۀ کشاورزی دانشکدۀ اقتصاد و توسعۀ کشاورزی خلیل کلانتری استاد دانشکدۀ اقتصاد و توسعۀ کشاورزی علی اسدی استاد دانشکدۀ اقتصاد و توسعۀ کشاورزی سید امین الله تقوی مطلق استادیار وزارت جهاد کشاورزی غلامحسین حسینی نیا استادیار دانشکدۀ کارآفرینی دانشگاه تهران

fishing as one of the most important agricultural sectors has an important role in providing the protein for people. pareh cooperatives despite of having a long history, are faced with problems such as loss of fishing catch compare with previous years, the high cost of purchasing tools and equipments to catch and transportation and location of fishing become unfavorable due to natural and human...

Khajeshahkohi, Alireza, Abdollahzadeh, Gholamhossein, Sharifzadeh, Mohammad Sharif,

Introduction It is difficult to measure sustainable agriculture as a multidimensional concept. While it is relatively easy to express philosophical definitions of agriculture sustainability, providing an operational and methodology definition for evaluating the level of sustainability is difficult. Different methodological approaches have been formulated and developed to assess the sustainab...

2014
Cuimei Lv Zening Wu

The theoretical framework andmethodology of a water ecological–economic system (WEES) assessment based on emergy synthesis are proposed in this paper. Through calculating ecological and economic inputs and outputs within and outside the complex system, this paper discusses the system’s economic situation, water resources development and system sustainability based on a series of emergy indicato...

2014
Gianni Gilioli Anna Maria Caroli Getachew Tikubet Hans R. Herren Johann Baumgärtner

This paper presents a framework for the development of socio-ecological systems towards enhanced sustainability. Emphasis is given to the dynamic properties of complex, adaptive social-ecological systems, their structure and to the fundamental role of agriculture. The tangible components that meet the needs of specific projects executed in Kenya and Ethiopia encompass project objectives, innova...

2006
John Byrne Leigh Glover Hugo F. Alrøe

Introduction.........................................................................................................50 Organic farming and the challenge of sustainability ...........................................51 Political ecology as one approach to globalisation and sustainable development....53 Growth without borders ..........................................................................

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