02 June, 2004

Russell et al. (2004): Island biogeography and the species richness of introduced mammals on New Zealand offshore islands.

Russell, J. C.; Clout, M. N.; McArdle, B. H. 2004. Island biogeography and the species richness of introduced mammals on New Zealand offshore islands. Journal of Biogeography 31: 653–664.

Invasion of offshore islands by mammals is a constant threat to conservation in New Zealand, However the factors that correlate with the species richness of introduced mammals on New Zealand offshore islands have never been fully investigated. Using a widespread dataset these factors (geographical, ecological and anthropological) are examined. Distance appears to have become trivial in preventing invasion except for the smallest of mammals. Most high species richness appears related to human activity. Some evidence of a ‘small island’ effect is found.

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