Genomic patterns of diversity and divergence of two introduced salmonid species in Patagonia, South America.

ABSTRACT: Invasive species have become widespread in aquatic environments throughout the world, yet there are few studies that have examined genomic variation of multiple introduced species in newly colonized environments. In this study, we contrast genomic variation in two salmonid species (anadromous Chinook Salmon, Oncorhynchus tshawytscha, 11,579 SNPs and resident Brook Charr Salvelinus fontinalis, 13,522 SNPs) with differing invasion success after introduction to new environments in South America relative to populations from their native range in North America. Estimates of genetic diversity were not significantly different between introduced and source populations for either species, indicative of propagule pressure that has been shown to maintain diversity in founding population

SUBMITTER: Narum SR 

PROVIDER: S-EPMC5367078 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature