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The Past and Present Vegetation of St Helena

Q. C. B. Cronk
Journal of Biogeography
Vol. 16, No. 1 (Jan., 1989), pp. 47-64
Published by: Wiley
DOI: 10.2307/2845310
Stable URL: http://www.jstor.org/stable/2845310
Page Count: 18
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The Past and Present Vegetation of St Helena
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Abstract

The original vegetation of St Helena has been almost entirely destroyed and little is known about it. Using relict occurrences and historical records, hypothetical distributions have been constructed for the indigenous plants. Multivatiate methods are used to reconstruct seven putative former vegetation zones which correspond well with historical records. The replacement of past vegetation zones by the present ones has been complicated by the interaction of history with site factors through browsing, grazing, erosion, cutting, clearance and plant introduction.

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