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Species number, area and habitat diversity in the Galapagos Islands

✍ Scribed by Werff, Henk

Publisher: Springer-Verlag
Year: 1983
Tongue: English
Weight: 689 KB
Volume: 54
Category: Article
ISSN: 1573-5052
DOI: 10.1007/bf00047106

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✦ Synopsis

The Galapagos vascular plant species are divided into two groups, showing preferences for dry and wet habitats. This division is based on the results of a phytosociological study and is not influenced by such factors as island area, elevation, climate or soil types. The different distribution patterns of the dry and wet species are discussed and it is concluded that habitat diversity offers a better explanation for species numbers and distribution patterns than do island size and isolation. Claims that a dynamic MacArthur-Wilson type equilibrium has been reached for vascular plants in the Galapagos archipelago seem premature.

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