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Two models of evolution in Canarian lizards based on the use of spatial resources

Authors
Journal
Biological Journal of the Linnean Society
0024-4066
Publisher
Wiley Blackwell (Blackwell Publishing)
Publication Date
Keywords
  • Evolution
  • Canary Islands
  • Lizards
  • Laurisilva Forest
  • Young Volcanic Ecosystems
  • Speciation
  • Ecology
Disciplines
  • Biology
  • Ecology

Abstract

Abstract The morphological and genetic differences between populations of Canarian lizards on four islands were analysed in relation to two ecological systems: the laurisilva forest and the young volcanic ecosystems or ‘malpaíses’. The two ecosystems induce two different evolutionary responses by lizard populations; morphological and genetic modifications are intense in the case of a very old ecosystem like laurisilva whereas in the young volcanic ecosystems, morphological modifications are much more pronounced although the temporary nature of the ecosystem is limiting from point of view of speciation.

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