Minimizing the population extinction risk by migration

• Published in: Physical review letters Vol. 109; no. 13; p. 138104
• Main Authors: Khasin, Michael, Meerson, Baruch, Khain, Evgeniy, Sander, Leonard M
• Format: Journal Article
• Language: English
• Published: United States 28.09.2012
• Subjects: Animal Migration; Extinction, Biological; Models, Biological; Stochastic Processes

Many populations in nature are fragmented: they consist of local populations occupying separate patches. A local population is prone to extinction due to the shot noise of birth and death processes. A migrating population from another patch can dramatically delay the extinction. What is the optimal...