Genetic reconstruction of a bullfrog invasion to elucidate vectors of introduction and secondary spread.

ABSTRACT: Reconstructing historical colonization pathways of an invasive species is critical for uncovering factors that determine invasion success and for designing management strategies. The American bullfrog (Lithobates catesbeianus) is endemic to eastern North America, but now has a global distribution and is considered to be one of the worst invaders in the world. In Montana, several introduced populations have been reported, but little is known of their sources and vectors of introduction and secondary spread. We evaluated the genetic composition of introduced populations at local (Yellowstone River floodplain) and regional (Montana and Wyoming) scales in contrast to native range populations. Our objectives were to (1) estimate the number of introductions, (2) identify probable native sources,

SUBMITTER: Kamath PL 

PROVIDER: S-EPMC4984499 | biostudies-literature | 2016 Aug

REPOSITORIES: biostudies-literature