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The present work reconsiders the history of the vegetation of the alpine arc within a framework called the alpine Orosystem, comprising mid-latitude mountain ranges throughout Europe (mainly the Pyrenees, the Alps, the Carpathians and the northern Balkan mountains). The unity and originality of this whole is attested in its high supraspecific endemism and(More)
After a recall of the recent emergence of the great ecological problems on the scale of the European continent and of the privileged use of vegetation maps as an ecological tool, a cartographic synthesis of the main plant formations in Europe is submitted on the basis of a hierarchized and numerized nomenclature of the vegetation units. Examples of(More)
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