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Registros recuperados: 34 | |
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Abbott, Brant; van Kooten, G. Cornelis. |
Tigers are a threatened species that might soon disappear in the wild. Not only are tigers threatened by deteriorating and declining habitat, but poachers continue to kill tigers for traditional medicine, decoration pieces and so on. Although international trade in tiger products has been banned since 1987 and domestic trade within China since 1993, tigers continue to be poached and Chinese entrepreneurs have established tiger farms in anticipation of their demise. While China desires to permit sale of tiger products from captive-bred tigers, this is opposed on the grounds that it likely encourages illegal killing. Instead, wildlife conservationists lobby for more spending on anti-poaching and trade-ban enforcement. In this study, a mathematical... |
Tipo: Working or Discussion Paper |
Palavras-chave: Endangered species; Extinction; Wildlife farming and bioeconomics; Environmental Economics and Policy; Q57; Q27; C61; F13. |
Ano: 2009 |
URL: http://purl.umn.edu/46994 |
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Riedacker, Arthur. |
As average growth consumptions per capita and world population will continue to grow, the promotion of sustainable developments during the next half a century implies to take into account environmental aspects, local potentialities and futures changes in population as well climatic, economic and social factors. At the global level, land and fossil fuel availability per capita, capacity of absorption of greenhouse gas emissions are considered the most important environmental factors. Whereas at local levels are to be considered preservation or improvement of soil fertility, of water regimes, of quality of air, soil and water. Biodiversity must be taken into account at both levels to cope also with climate change. But as underlined by IPCC lead authors, up... |
Tipo: Working or Discussion Paper |
Palavras-chave: Greenhouse Gas Emission; Fossil Fuel; Biodiversity; Environmental Economics and Policy; Land Economics/Use; Resource /Energy Economics and Policy; Q23; Q27. |
Ano: 2007 |
URL: http://purl.umn.edu/9551 |
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Registros recuperados: 34 | |
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