The Humid and Subhumid Tropics | Land Portal
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Informações sobre recurso

Date of publication: 
Janeiro 1987
ISBN / Resource ID: 
12 pages
Copyright details: 
IFPRI adheres to the basic tenets of the Budapest Open Access Initiative, articulated in 2002 (subject to any applicable third-party rights and or confidentiality obigations). All applicable data are subject to IFPRI’s Institutional Review Board (IRB) guidelines. Copyright © 2013 International Food Policy Research Institute (IFPRI). All rights reserved.

The humid and subhumid tropics in African regions where rainfall exceeds potential evapotranspiration for five months or more include most of the area from Guinea through central Africa plus the southern part of East Africa. They cover 12 million square kilometers, or 43 percent of the total land area, and include the humid forest zone of central Africa. Rainfall is over 1 thousand millimeters per annum. Regimes prevalent in these zones are monomodal in the derived savannas, with four to six humid months; bimodal in the transition zones of the tropical forest region, with a major cropping season of four months and a minor season of about two and a half months; and pseudobimodal in the wetter forest regions, with seven to nine or more humid months.

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The International Food Policy Research Institute (IFPRI) provides research-based policy solutions to sustainably reduce poverty and end hunger and malnutrition in developing countries. Established in 1975, IFPRI currently has more than 500 employees working in over 50 countries. It is a research center of theCGIAR Consortium, a worldwide partnership engaged in agricultural research for development.

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