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Kazuko Hase, Naruo Nikoh and Masakazu Shimada Population admixture and high larval viability among urban toads Ecology and Evolution 3

Version of Record online: 2 MAY 2013 | DOI: 10.1002/ece3.578

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In urban Tokyo, a population admixture has emerged from two lineages of Japanese common toad: native Bufo japonicus formosus and non-native B. japonicus japonicus, of which the latter was introduced in the early 20th century. Our genetic clustering analyses of the admixed populations revealed that genotype displacement from native B. japonicus formosus to introduced B. japonicus japonicus had occurred. And assessment of larval viability indicated that the fitness of the Japanese common toad B. japonicus in urban Tokyo may be increasing with the assistance of non-native individuals.

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