Soay sheep : dynamics and selection in an island population / edited by T.H. Clutton-Brock and J.M. Pemberton.

• 1 Individuals and populations / T. H. CluttonMBrock and J.M. Pemberton -- 1.1 Sheep on St Kilda -- 1.2 Individuals and populations -- 1.3 Population density and selection -- 1.4 Adaptation in a changing environment -- 1.5 Soay sheep as a model system -- 1.6 Methods of research -- 2 The sheep of St Kilda / T. H. Clutton-Brock, J.M. Pemberton, T. Coulson, I. R. Stevenson and A. D. C. Maccoll -- 2.1 Introduction -- 2.2 The islands of St Kilda -- Human settlement on St Kilda and the history of St Kilda's sheep -- 2.4 Physical characteristics of Soay sheep on St Kilda -- 2.5 Feeding behaviour and habitat use -- 2.6 Reproduction -- 2.7 Early development and neonatal mortality -- 2.8 Juvenile and yearling mortality -- 2.9 Adult mortality and the costs of reproduction -- 2.10 Discussion -- 3 Population dynamics in Soay sheep / T.H. Clutton-Brock, B. T. Grenfell, T. Coulson, A. D. C. MacColl, AW. Illius, M. C. Forchhammer, K. Wilson, J. Lindstrom, M.J. Crawley and S. D. Alban -- 3.1 Introduction -- 3.2 Changes in population size -- 3.3 Density-dependence in fecundity -- 3.4 Variation in birth weight and neonatal mortality -- 3.5 Winter mortality -- 3.6 Cohort variation in growth, survival and reproductive performance -- 3.7 Modelling the impact of density-dependence -- 3.8 Incorporating the effects of climate and age structure -- 3.9 Synchrony in dynamics between populations -- 3.10 Discussion -- 4 Vegetation and sheep population dynamics / M.J. Crawley, S.D. Alban, D.R. Bazely, J.M. Milner, J. G. Pilkington and A. L. Tuke -- 4.1 Introduction -- 4.2 Grazing in theory and practice -- 4.3 Methods -- 4.4 Spatial distribution of grazing -- 4.5 Effects of grazing on flowering, botanical composition and plant species richness -- 4.6 Grazing and infection by fungal endophytes -- 4.7 Grazing and long-term changes in plant communities -- 4.8 Discussion -- 5 Parasites and their impact / K. Wilson, B. T. Grenfell, J. G. Pilkington, H.E. G. Boyd, and F. M. D. Gulland -- 5.1 Introduction -- 5.2 The parasite community -- 5.3 Variation in parasitism rates -- 5.4 Costs of parasitism -- 5.5 Discussion -- 6 Mating patterns and male breeding success / J.M. Pemberton, D. W. Coltman, JA. Smith and D.R. Bancroft -- 6.1 Introduction -- 6.2 Measuring male breeding success -- 6.3 Molecular paternity inference -- 6.4 Breeding success among age classes and years -- 6.5 Lifetime breeding success and cohort effects -- 6.6 Opportunity for selection and the maintenance of genetic variation -- 6.7 Discussion -- 7 Selection on phenotype / J. M. Milner, S. D. Alban, L. E. B. Kruuk and J. M. Pemberton -- 7.1 Introduction -- 7.2 The opportunity for selection -- 7.3 Selection on body size -- 7.4 Selection on horn phenotype -- 7.5 Selection on coat colour -- 7.6 Discussion -- 8 Molecular genetic variation and selection on genotype / J. M. Pemberton, D. W. Coltman, D. R. Bancroft, J. A. Smith and S. Paterson -- 8.1 Introduction -- 8.2 Loci screened -- 8.3 Amount and distribution of molecular genetic variation -- 8.4 Selection against inbred individuals -- 8.5 Selection at specific loci -- 8.6 Discussion -- 9 Adaptive reproductive strategies / I. R. Stevenson, P. Marrow, B. T. Preston, J.M. Pemberton and K. Wilson -- 9.1 Introduction -- 9.2 Optimal life-histories for female Soay sheep -- 9.3 Optimal life-histories for male Soay sheep -- 9.4 Discussion -- 10 The causes and consequences of instability / T. H. Clutton-Brock -- 10.1 Introduction -- 10.2 Comparative demography -- 10.3 Hard conditions and soft selection -- 10.4 Adaptation in changing environments -- 10.5 Extrapolations to other populations -- 10.6 Summary -- 10. 7 Aclmowledgements -- Appendix 1 The flora of St Kilda / M. J. Crawley -- Appendix 2 Inheritance of coat colour and horn type in Hirta Soay sheep / D. W. Coltman and ]. M. Pemberton -- Appendix 3 How average life tables can mislead / T. Coulson and M.J. Crawley. 

Ämnesord

Soay sheep  -- Selection -- Scotland -- Saint Kilda. (LCSH)

Mammal populations  -- Scotland -- Saint Kilda. (LCSH)

Soay sheep  -- Ecology -- Scotland -- Saint Kilda. (LCSH)

sheep  (agrovoc)

population dynamics  (agrovoc)

population ecology  (agrovoc)

natural selection  (agrovoc)

behaviour  (agrovoc)

scotland  (agrovoc)

Klassifikation

QL737.U53 (LCC)

599.649/1788 (DDC)

Ugfc (kssb/8 (machine generated))