World map of the status of human-induced soil degradation
Subtitle: an explanatory note
By: L. R. Oldeman, R. T. A. Hakkeling, W. G. Sombroek.
Contributors: Hakkeling, R. T. A.; Sombroek, Wim G.
Publisher: International Soil Reference and Information Centre; United Nations Environment Programme
Published: 1991
Place of publication: [Wageningen, Netherlands]; [Nairobi, Kenya]
Language: eng
Number of pages: 34
Subjects: Soil degradation.
Notes: "Global Assessment of Soil Degradation, GLASOD. October 1990 - first edition, October 1991 - second revised edition".

Three folded col. maps in pocket.

Errata: p. 34.

Includes bibliographical reference: p. 22.