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Tropical forests affected by habitat fragmentation store less biomass and carbon dioxide
Date:12/9/2009

d in the second half of the 19th century for construction timber, charcoal and grazing and arable land. Although only around an eighth of the original forest area remains, these remnants are still regarded as international biodiversity hot spots, since they are home to an as yet not fully recorded, but impressive number of endangered animal and plant species that are not found anywhere else. Since 2003, Brazilian and German researchers have therefore been investigating the long-term effects of landscape fragmentation on habitats in the Atlantic Forest, which used to stretch along the whole of Brazil's east coast and is today one of the most endangered rain forests in the world.

The new findings from the ecological modelling experts led by Andreas Huth and Klaus Henle are also relevant for negotiations at the UN climate conference in Copenhagen. Under the heading REDD (Reducing Emissions from Deforestation and Degradation), the conference will be discussing a mechanism for including the forests in climate protection. Forests bind carbon dioxide. Deforestation or degradation of forests leads to a further release or less fixing of carbon dioxide per unit area, thereby increasing the greenhouse effect. Around 20 per cent of total global CO2 emissions comes from the destruction of forests.


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Contact: Tilo Arnhold
presse@ufz.de
49-341-235-1635
Helmholtz Association of German Research Centres
Source:Eurekalert  

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