Biological invasions: paradox lost and paradise gained.
A new study shows how an invasive snail species accrues elevated genetic variation for key life-history traits through multiple introductions and outcrossing to create genetically novel offspring. Furthermore, the invaders' offspring follow a unique life-history strategy that may enhance their ability to invade.
Hufbauer
Ruth A
RA
Department of Bioagricultural Science and Pest Management, Colorado State University, Fort Collins, Colorado 80523-1177, USA. hufbauer@lamar.colostate.edu
D000818:Animals; D005075:Biological Evolution; D017753:Ecosystem; D014644:Genetic Variation; D012908:Snails / Q000235:genetics*