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Describes techniques of long-and short-term measurements of changes in vegetation and feed resources in pastoral systems, with particular reference to sampling techniques and costs of the various methods.


Bille, Jean-Claude[L'evolution du milieu]L'evolution du milieu

Discusses, briefly, the principle of radiometric measurements and presents results of ground measurements on reflectance, grass cover (both green plants & total cover), and grass biomass in Sidamo, Ethiopia. Includes analysis of the correlation of the normalized difference green vegetation index ...


Bille, Jean-Claude[Radiometric measurements]Radiometric measurements

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