نتایج جستجو برای: biodiversity

تعداد نتایج: 36786  

2001
DOUGLAS SHEIL

Monitoring and research activities may hinder rather than improve conservation in tropical countries. Those concerned with conservation—particularly academics and aid agencies—too often overlook the practical realities of achieving conservation in the tropics. As a result, many initiatives divert scarce resources away from fundamental management priorities. I identify some critical threats to b...

2006
Karla Donato Fook Antônio Miguel Vieira Monteiro Gilberto Câmara

Researchers working with biodiversity try to understand organisms adaptation in their environmental niche and try to provide subsidies for conscious use of natural resources by scientific organizations and government institutions. This work aims to support the cooperation among the researchers of a species distribution modeling network. The cooperation is based on sharing modeling results, whic...

2011
Eleni Dellas Philipp Pattberg

Acknowledgements: We would like to thank the participants of the IVM-PBL review workshop on international biodiversity policies (29 November 2010, Utrecht) for their many helpful comments on an earlier version of this report. We would also like to thank Stefan van Esch and Marcel Kok for their comments on linking this report to the PBL study on Rethinking Global Biodiversity Strategies: Explori...

2016
Samantha L.L. Hill Mike Harfoot Andy Purvis Drew W. Purves Ben Collen Tim Newbold Neil D. Burgess Georgina M. Mace Pablo Marquet

1 United Nations Environment ProgrammeWorld Conservation Monitoring Centre, 219 Huntingdon Road, Cambridge, CB2 0DL, UK 2 Department of Life Sciences, The Natural History Museum, Cromwell Road, London, SW7 5BD, UK 3Microsoft Research, Cambridge, CB1 2FB, UK 4 Centre for Biodiversity & Environment Research (CBER), Department of Genetics, Evolution and Environment, University College London, Gowe...

Neymatolla Safarov Victor R Squires

Tajikistan is a hotspot of plant and animal species diversity and endemism andis important for the conservation of biodiversity on a global scale. The country is located ata biological crossroads. Species from Central and Northern Europe, Central Asia, theMiddle East, and North Africa mingle here with endemics found nowhere else. Therichness of Tajikistan‘s biodiversity shows up at the genetic,...

Journal: :بوم شناسی کشاورزی 0
اشکان عسگری کورس خوشبخت سعید صوفی زاده جعفر کامبوزیا

evaluation diversity of agricultural plants and effectiveness of management factors in non-hunting of gharaviz abstract biodiversity is the basis of agriculture. sustainable agriculture both promotes and is enhanced by biodiversity. during present study, agrobiodiversity and management factors were investigated in three villages of gharaviz area and four villages in surroundings area, in sarpol...

The objective of the present study was to determine the effects of fish aggregation device (FAD) deployment on biodiversity, catch composition and length frequency distribution in the Qeshm Island handline fishery. Two FADs were deployed in the Qeshm Island. Four biodiversity indices including Margalef, Shannon-Weaver, Simpson and Pielou and also catch composition and length frequency distribut...

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