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PORTAIL D'INFORMATION GÉOGRAPHIQUE

A method for estimating vegetation change over time and space

Auteurs :
LI, M.
KRÄUCHI, N.

Description :
The AA. propose a 3-dimensional model derived from the logistic equation for estimating vegetation change, using native and non-native plant diversity. The 2 variables, based on the current and the theoretical maximum diversity of native plants on a given scale, and the result of the model are relative values without units, and are therefore scale-independent. Hence, this method developed can be used directly for cross-scale evaluations of vegetation data, and indirectly for estimating ecosystem or environmental change.


Type de document :
Article de périodique

Source :
Journal of geographical sciences. Acta geographica sinica, issn : 1009-637X, 2003, vol. 13, n°. 4, p. 447-454, nombre de pages : 8, Collation : Illustration, Références bibliographiques : 53 ref.

Date :
2003

Editeur :
Pays édition : Chine

Langue :
Anglais
Droits :
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