Header

UZH-Logo

Maintenance Infos

Inbreeding in reintroduced populations: the effects of early reintroduction history and contemporary processes


Biebach, I; Keller, L F (2010). Inbreeding in reintroduced populations: the effects of early reintroduction history and contemporary processes. Conservation Genetics, 11(2):527-538.

Abstract

Maintaining genetic variation and minimizing inbreeding are central goals of conservation genetics. It is therefore crucial to understand the important population parameters that affect inbreeding, particularly in reintroduction programs. Using data from 41 reintroduced Alpine ibex (Capra ibex ibex) populations we estimated inbreeding since the beginning of reintroductions using population-specific Fst, and inbreeding over the last few generations with contemporary effective population sizes. Total levels of inbreeding since reintroduction of ibex were, on average, close to that from one generation of half-sib mating. Contemporary effective population sizes did not reflect total inbreeding since reintroduction, but 16% of variation in contemporary effective population sizes among populations was due to variation in current population sizes. Substantial variation in inbreeding levels among populations was explained by founder group sizes and the harmonic mean population sizes since founding. This study emphasizes that, in addition to founder group sizes, early population growth rates are important parameters determining inbreeding levels in reintroduced populations.

Abstract

Maintaining genetic variation and minimizing inbreeding are central goals of conservation genetics. It is therefore crucial to understand the important population parameters that affect inbreeding, particularly in reintroduction programs. Using data from 41 reintroduced Alpine ibex (Capra ibex ibex) populations we estimated inbreeding since the beginning of reintroductions using population-specific Fst, and inbreeding over the last few generations with contemporary effective population sizes. Total levels of inbreeding since reintroduction of ibex were, on average, close to that from one generation of half-sib mating. Contemporary effective population sizes did not reflect total inbreeding since reintroduction, but 16% of variation in contemporary effective population sizes among populations was due to variation in current population sizes. Substantial variation in inbreeding levels among populations was explained by founder group sizes and the harmonic mean population sizes since founding. This study emphasizes that, in addition to founder group sizes, early population growth rates are important parameters determining inbreeding levels in reintroduced populations.

Statistics

Citations

14 citations in Web of Science®
17 citations in Scopus®
Google Scholar™

Altmetrics

Downloads

2 downloads since deposited on 16 Jul 2010
0 downloads since 12 months
Detailed statistics

Additional indexing

Contributors:European Sci Fdn Res Network
Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Evolutionary Biology and Environmental Studies
Dewey Decimal Classification:570 Life sciences; biology
590 Animals (Zoology)
Uncontrolled Keywords:Alpine ibex; Effective population size; Fst; Linkage disequilibrium; Population specific inbreeding; Reintroductions
Language:English
Date:April 2010
Deposited On:16 Jul 2010 12:44
Last Modified:05 Apr 2016 14:11
Publisher:Springer
ISSN:1566-0621
Additional Information:ESF-ConGen Meeting on Integrating Population Genetics and Conservation Biology, Trondheim, NORWAY, MAY 23-27, 2009
Publisher DOI:https://doi.org/10.1007/s10592-009-0019-6
Other Identification Number:ISI:000275455700016

Download

Preview Icon on Download
Filetype: PDF - Registered users only
Size: 387kB
View at publisher