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Literature DB >> 16537125

Estimating individual contributions to population growth: evolutionary fitness in ecological time.

T Coulson¹, T G Benton, P Lundberg, S R X Dall, B E Kendall, J-M Gaillard.

Abstract

Ecological and evolutionary change is generated by variation in individual performance. Biologists have consequently long been interested in decomposing change measured at the population level into contributions from individuals, the traits they express and the alleles they carry. We present a novel method of estimating individual contributions to population growth and changes in distributions of quantitative traits and alleles. An individual's contribution to population growth is an individual's realized annual fitness. We demonstrate how the quantities we develop can be used to address a range of empirical questions, and provide an application to a detailed dataset of Soay sheep. The approach provides results that are consistent with those obtained using lifetime estimates of individual performance, yet is substantially more powerful as it allows lifetime performance to be decomposed into annual survival and fecundity contributions.

Entities: Species

Mesh：

Year: 2006 PMID： 16537125 PMCID： PMC1560056 DOI： 10.1098/rspb.2005.3357

Source DB: PubMed Journal: Proc Biol Sci ISSN： 0962-8452 Impact factor: 5.349

16 in total

Estimating individual contributions to population growth: evolutionary fitness in ecological time.

1. Cryptic evolution in a wild bird population.

2. Age, sex, density, winter weather, and population crashes in Soay sheep.

3. Energy storage and the evolution of population dynamics.

4. Comparative ungulate dynamics: the devil is in the detail.

5. Estimating selection on neonatal traits in red deer using elasticity path analysis.

6. The strength of phenotypic selection in natural populations.

7. ON THE MEASUREMENT OF NATURAL AND SEXUAL SELECTION: THEORY.

8. Early determinants of lifetime reproductive success differ between the sexes in red deer.

9. The genetical evolution of social behaviour. I.

Review 10. Explaining stasis: microevolutionary studies in natural populations.

1. Modelling ecological systems in a changing world.

2. Predictive ecology: systems approaches.

Review 3. Genomics and the future of conservation genetics.

4. No evidence for warming climate theory of coat colour change in Soay sheep: a comment on Maloney et al.

5. Effects of density, climate, and supplementary forage on body mass and pregnancy rates of female red deer in Spain.

6. Phenotypic plasticity and population viability: the importance of environmental predictability.

7. Habitat-performance relationships: finding the right metric at a given spatial scale.

Review 8. An ontogenetic perspective on individual differences.

9. Interactive effects of parental age on offspring fitness and age-assortative mating in a wild bird.

10. Individual fitness and phenotypic selection in age-structured populations with constant growth rates.