Format

Send to

Choose Destination
See comment in PubMed Commons below
Proc Biol Sci. 2002 Jul 22;269(1499):1467-73.

Low worldwide genetic diversity in the killer whale (Orcinus orca): implications for demographic history.

Author information

1
Department of Biological Sciences, University of Durham, South Road, UK. a.r.hoelzel@dur.ac.uk

Abstract

A low level of genetic variation in mammalian populations where the census population size is relatively large has been attributed to various factors, such as a naturally small effective population size, historical bottlenecks and social behaviour. The killer whale (Orcinus orca) is an abundant, highly social species with reduced genetic variation. We find no consistent geographical pattern of global diversity and no mtDNA variation within some regional populations. The regional lack of variation is likely to be due to the strict matrilineal expansion of local populations. The worldwide pattern and paucity of diversity may indicate a historical bottleneck as an additional factor.

PMID:
12137576
PMCID:
PMC1691053
DOI:
10.1098/rspb.2002.2033
[Indexed for MEDLINE]
Free PMC Article
PubMed Commons home

PubMed Commons

0 comments
How to join PubMed Commons

    Supplemental Content

    Full text links

    Icon for HighWire Icon for PubMed Central
    Loading ...
    Support Center