平成27年度「奄美の明日を考える奄美国際ノネコ・シンポジウム」

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- 75 -Managing invasive species on islands: a New Zealand perspectiveAl GlenOutline•History of eradications in New Zealand•Global overview of cat eradications•Outcomes of cat eradication–Environmental–Social and economic•Risks and challenges •Assessing feasibility•Alternatives to eradicationEradications in New Zealand•First eradication in 1912: rabbits on NgawhitiIsland (5 hectares)•Since then 461 eradications of 20 species, including:–Rats and mice–Marsupials (e.g. possums)–Ungulates (e.g. goats)–Predators (e.g. cats)Eradications in New ZealandData from Clout & Russell (2006)Island sizeCat eradications around the worldSlide 1Slide 3Slide 5Slide 2Slide 4Slide 6