alien species
biological invasion
demography
invasion risk
mitochondrial DNA
Rana catesbeiana
Propagule pressure
inbreeding depression
amphibian declines
species
invasions
american bullfrog
rana-catesbeiana
success
diversity
size
introductions
[SDE.BE] Environmental Sciences/Biodiversity and Ecology
[SDV.BID] Life Sciences/Biodiversity
[SDV.EE] Life Sciences/Ecology, environment