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Reuters Summit-Forests said worth $6,120/year per hectare
04 Sep 2009 20:02:00 GMT
 Source: Reuters
Sept. 4 (Reuters) - Tropical forests are worth $6,120 per hectare per year, according to a U.N.-backed survey indicating the world often under-estimates services provided by nature.

Achim Steiner, the head of the U.N. Environment Programme, said that ignoring nature and placing too much faith in human technology to fix the world's problems has been one of the "great oversights of the 20th century [ID:nL4671773].

Following are preliminary estimates of the value of tropical forests in a report this week by UNEP-backed TEEB (The Economics of Ecoystems and Biodiversity):

Tropical forests

(value of ecosystem services, 2007 dollars per hectare) ECOSYSTEM SERVICES:

Average Maximum Number of studies Food 75 552 19 Water 143 411 3 Raw Materials 431 1,418 26 Genetic resources 483 1,756 4 Medicinal resources 181 562 4 REGULATOIN SERVICES Influence on air quality 230 449 2 Climate regulation 1,965 3,218 10 Regulation of water flows 1,360 5,235 6 Waste treatment/

water purification 177 506 6 Erosion prevention 694 1,084 9 CULTURAL SERVICES Tourism/recreation 381 1,171 20 TOTAL 6,120 16,362 109




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