نتایج جستجو برای: conservation biodiversity and natural resources

تعداد نتایج: 16921119  

Journal: :PLoS Biology 2007
Marc Ancrenaz Lisa Dabek Susan O'Neil

T here is little debate that unchecked human population growth and the development of " modern " societies are responsible for the current biodiversity crisis. To stop the growing loss of biodiversity, global conservation efforts have mostly focused on creating protected areas free of human influence [1]. But many of these protected areas are also in crisis. In most cases, their long-term viabi...

2006
Dennis Twinomugisha Colin A. Chapman Michael J. Lawes Cedric O’Driscoll Worman Lisa M. Danish

Dennis Twinomugisha Institute of Environment and Natural Resources, Makerere University, Kampala, Uganda Colin A. Chapman Department of Zoology, University of Florida, Gainesville, FL 32611; Wildlife Conservation Society, 2300 Southern Boulevard, Bronx, NY 10460 Michael J. Lawes Forest Biodiversity Programme, School of Botany and Zoology, University of Natal, P/Bag X01, Scottsville, 3209, South...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
سید رضا اسحاقی دانشجوی کارشناسی ارشد ترویج کشاورزی دانشگاه تهران روح اله رضایی استادیار گروه ترویج و آموزش کشاورزی دانشگاه زنجان یوسف حجازی استاد ترویج کشاورزی دانشگاه تهران نعمت اله شیری دانشجوی دکتری ترویج و آموزش کشاورزی پردیس کشاورزی و منابع طبیعی کرمانشاه سیدعلیرضا قدیمی دانشجوی کارشناسی ارشد توسعۀ روستایی دانشگاه تهران

the main purpose of this research was to analyze the factors affecting on rural people’s participation in the projects of natural resources conservation. the research method of the study was analytical- explanatory research. the statistical population of the study consisted of all the heads of households in rural district of azadlo in moghan township (n= 750). according to krejcie and morgan ta...

Journal: :Biocell : official journal of the Sociedades Latinoamericanas de Microscopia Electronica ... et. al 2006
Lindsay G Ross Carlos A Martínez-Palacios Maria Luisa Rodríguez de Sousa Antonio Campos-Mendoza

World aquaculture is undergoing a massive expansion , both in quantity and quality of products and this is set to increase over the next few decades especially if aquaculture is to satisfy the world demand for fish products in the face of dwindling fisheries (FAO, 2002). Clearly, the industry needs to be sustainable in the medium to long term and considerable efforts are being made into underst...

Journal: :محیط زیست طبیعی 0
مریم کبیری هندی کارشناس ارشد محیط زیست دانشکدة منابع طبیعی، دانشگاه تهران افشین دانه کار دانشیار دانشکدۀ منابع طبیعی، دانشگاه تهران افشین علیزاده استادیار دانشکدۀ منابع طبیعی، دانشگاه تهران نعمت اله خراسانی 4. استاد دانشکدۀ منابع طبیعی، دانشگاه تهران

natural sites with spiritual values are parts of land or sea that play key role in conserving biodiversity and cultural identity. the aim of this study is prioritizing protected zones with spiritual values. in the first step for this survey, based on literature review and according to multi criteria assessment, convenient conservation criteria were compiled, then for each of criterion, indices ...

2008
Jean-Pierre Briot Eurico Vasconcelos Alessandro Sordoni Diana Adamatti Marta de Azevedo Gustavo Melo Isabelle Alvarez Carlos Lucena

In this paper, we introduce our current research project aimed at computer-based support for participatory management of protected areas, in order to promote biodiversity conservation and social inclusion. Its applicative objective is to help various stakeholders (e.g., environmentalist NGOs, communities, tourism operators, public agencies, and so on) to collectively understand conflict dynamic...

In this research, the effect of religiosity on participation in the production of public goods and preservation of natural resources has been investigated. Extraction of participation data and conservation of natural resource has been done through the implementation of online laboratory of public goods and natural resource games. To extract the three dimensions of religiosity (belief, rituals a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت معلم تهران - دانشکده علوم 1370

determination of uranium in natural water and complex solutions using ion exchange chromatography: a combined procedure using ion exchange chromatography and uv-vis spectrophotometry techniques has been developed to measure uranum in natural water and complex solutions. after conditicing , one hundred milli liters of sample solutions have been passed through an ion exchange column,pachked with ...

2007
David Pearce

This paper addresses from an economic perspective the issue of global biodiversity conservation. It challenges the perception that the world really cares a great deal about biodiversity and is prepared to pay the full cost of maintaining this stock of natural capital. Despite the existence of a plethora of international agreements there still seems to be a global ‘deficit of care’ surrounding e...

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