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Loss of biodiversity - caused and solved by globalisation?: Difference between revisions
Loss of biodiversity - caused and solved by globalisation? (view source)
Revision as of 15:50, 5 December 2009
, 15:50, 5 December 2009→Loss of Biodiversity
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==Loss of Biodiversity== | ==Loss of Biodiversity== | ||
On the ecosystem dimension of biodiversity there is already a high degradation: The graphic on the | On the ecosystem dimension of biodiversity there is already a high degradation: The graphic on the left side illustrates this fact impressively. [[File:Status.JPG|200px|thumb|left|Source: United Nations Environment Programme (UNEP) (2007). ''Global Environmental Outlook. GEO4. environment for development'' [http://www.unep.org/geo/geo4/report/GEO-4_Report_Full_en.pdf]. Valetta, MLT: Progress Press Ldt, p. 163.]] | ||
In history there where many natural extinction of species (cf. Gaston & Spicer, 2004, pp. 20ff), but the current rates of extinction are estimate to be roughly 100 times higher than typical rates in the fossil record: There are estimations that the increase will be 1000-10.000 times higher in the future (cf. UNEP, 2007, p.164). | In history there where many natural extinction of species (cf. Gaston & Spicer, 2004, pp. 20ff), but the current rates of extinction are estimate to be roughly 100 times higher than typical rates in the fossil record: There are estimations that the increase will be 1000-10.000 times higher in the future (cf. UNEP, 2007, p.164). | ||