ISSN:
1573-5052
Keywords:
French Massif Central
;
Heathlands
;
Multiple Correspondence Analysis
;
Regressive dynamic
;
Volcanic vegetation
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract Some large bald areas, taking up the southern volcanoes hill-sides of the Chaîne des Puys (French Massif Central) are studied on an ecological point of view, by means of Multiple Correspondence Analysis applied to a contingency array environmental variables X plots, the plots being preliminarily studied in a syntaxonomic way. Four denudation processes are determined: natural screes (related to high declivity), rubbles resulting of intense passage, excess of grazing and a spontaneous regression of senescent heaths (degenerate phase) would happen, especially when particular local conditions are realized (impoverishment of soils, inhibiting action of Calluna vulgaris (L.) Hull, remoteness of trees, exposure, lavas characteristics...).
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00033207
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