| origin and post-colonization evolution of the chatham islands skink (oligosoma nigriplantare nigriplantare). | island ecosystems provide an opportunity to examine a range of evolutionary and ecological processes. the chatham islands are an isolated archipelago situated approximately 800 km east of new zealand. geological evidence indicates that the chatham islands re-emerged within the last 1-4 million years, following a prolonged period of marine inundation, and therefore the resident flora and fauna is the result of long-distance overwater dispersal. we examine the origin and post-colonization evolutio ... | 2008 | 18564090 |