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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Sub‐antarctic House mice: colonization, survival and selection
Journal of Zoology, Volume 184, No. 1, Year 1978
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Description
House mice have colonized and survived successfully on a number of Sub‐Antarctic islands, where the mean annual temperature is only about 5°C, but where there is little seasonal fluctuation in climate. Surprisingly this allows almost continuous breeding. On at least two islands (Macquarie and Marion), there are significant changes in gene frequency in electro‐phoretically detected enzymes between young (less than three months of age) and old animals from the same population. This indicates natural selection acting in opposite directions at different stages of the life cycle. However the genetical compositions of the Macquarie and Marion populations are more distinct from each other than either is from most British samples. This means that detailed studies of the Sub‐Antarctic mouse populations are likely to reveal much about local adaptation, while comparison between the responses of different populations may lead to important generalisations about the possible reaction to evolutionary challenges of a species living close to its physiological limit. Copyright © 1978, Wiley Blackwell. All rights reserved
Authors & Co-Authors
Berry, Robert J.
United Kingdom, London
The Royal Free Hospital
Peters, Josephine
United Kingdom, London
The Royal Free Hospital
van Aarde, Rudolph J.
South Africa, Pretoria
University of Pretoria
Statistics
Citations: 32
Authors: 3
Affiliations: 2
Identifiers
Doi:
10.1111/j.1469-7998.1978.tb03270.x
ISSN:
09528369
e-ISSN:
14697998
Research Areas
Genetics And Genomics
Study Design
Cross Sectional Study