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Using this graphic and referring to it is encouraged, and please use it in presentations, web pages, newspapers, blogs and reports. For any form of publication, please include the link to this page and give the cartographer/designer credit (in this case Philippe Rekacewicz, Emmanuelle Bournay, UNEP/GRID-Arendal)
Source(s)
Millennium Ecosystem Assessment
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Uploaded on Tuesday 21 Feb 2012
by GRID-Arendal
Changes in agricultural land (pasture and cropland)
Year:
2007
Author:
Philippe Rekacewicz, Emmanuelle Bournay, UNEP/GRID-Arendal
Description:
For all developing countries over the period 1961–99, expansion of harvested land contributed only 29% to growth in crop production versus the contribution of increases in yields, which amounted to 71%; in sub-Saharan Africa, however, yield increases accounted for only 34% of growth in production.
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