Reconciling ecology and economics to conserve bumblebees
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Reconciling resource economics and ecological economics: the economics of sustainability and resilience
Cross disciplinary dialogue between economics and ecology has within economics centered on the two subdisciplines of bioeconomics and ecological economics. This division in economics reflects the division in ecology between population and systems ecologists. Recent developments in ecology are aimed at a more integrated approach to ecologic al research. One example of such an approach is that of...
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s 42, 93-103. Wollny, C. B. A. 2003. The need to conserve farm animal genetic resources in Africa: should policy makers be concerned? Ecological Economics 45, 341-351. Zeven, A. C. (1998) Landraces: A review of definitions and classifications. Euphytica 104, 127-139.
متن کاملTranslating research into action; bumblebee conservation as a case study
Bumblebees belong to the genus Bombus, which comprises about 250 species, largely confined to the temperate Northern Hemisphere. They are wholly dependent on flowers for their energetic and developmental requirements. Most are social species, with nest sizes varying from 50 to 400 workers. As such, they have attracted considerable attention regarding their role as pollinators. There is a growin...
متن کاملNondestructive DNA sampling from bumblebee faeces.
Genetic studies provide valuable data to inform conservation strategies for species with small or declining populations. In these circumstances, obtaining DNA samples without harming the study organisms is highly desirable. Excrements are increasingly being used as a source of DNA in such studies, but such approaches have rarely been applied to arthropods. Bumblebees are ecologically and econom...
متن کاملNiche overlap and diet breadth in bumblebees ; are rare species more specialized in their choice of flowers ?
The ecology of all bumblebees (Bombus spp.) is similar, yet some species have declined greatly while others remain abundant. We examine whether abundance is related to diet breadth. The floral visits of bumblebees were examined on Salisbury Plain, UK. All of the species examined gathered pollen mostly from Fabaceae. All species gathered nectar from a broader range of flowers than they did polle...
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