Geoinformatics Solutions for Integrated Agro-ecosystems Research
Soil resource constraints and global drylands
This map differentiates the kinds of major soil constraints that constitute ‘problem soils’ and contribute to soil resource poverty . Fifty four classes were differentiated on the basis of the occurrence of one or another of the 9 basic problem soils, either single or in combination with others.
Author:
E. De Pauw
Institute:
ICARDA GIS unit
Decription:
This map differentiates the kinds of major soil constraints that constitute ‘problem soils’ and contribute to soil resource poverty . Fifty four classes were differentiated on the basis of the occurrence of one or another of the 9 basic problem soils, either single or in combination with others.
In order to be included in this map as a major soil constraint, a problem soil had to occupy at least 20% of a pixel.
Source Data:
FAO-UNESCO. 1995. The Digital Soil Map of the World and Derived Soil Properties. Land and Water Digital Media Series 1. FAO, Rome. CD-ROM.