Article
Parasite-associated polymorphism in a cyclic ungulate population.
Proceedings. Biological sciences - 22 Oct 1993
Gulland F M, Albon S D, Pemberton J M, Moorcroft P R, Clutton-Brock T H
Abstract excerpt
An unmanaged population of Soay sheep living on Hirta, St Kilda, Scotland is persistently unstable, fluctuating between about 600 and 1600 individuals. Population crashes occurring approximately every 3 years are primarily due to winter food shortage. In this paper we show that sheep experimental...
Topics
- Adenosine Deaminase
- Aging
- Alleles
- Animals
- Female
- Genotype
- Heterozygote
- Homozygote
- Male
- Nematoda
- Parasite Egg Count
- Polymorphism, Genetic
- Population Dynamics
- Probability
- Sex Factors
- Sheep