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PERSPECTIVE: THE PACE OF MODERN LIFE: MEASURING RATES OF CONTEMPORARY MICROEVOLUTION
Evaluating methods for measuring and specifying rates of microevolution in the wild, with particular regard to studies of contemporary, often deemed “rapid,” evolution, provides a number of suggestions that should improve study design, inference, and clarity of presentation.
Contemporary evolution meets conservation biology
Recent research has revealed that evolution often occurs on contemporary timescales, often within decades. Contemporary evolution is associated with the same factors that are driving the current…
Human predators outpace other agents of trait change in the wild
- C. Darimont, S. Carlson, M. Kinnison, P. Paquet, T. E. Reimchen, C. Wilmers
- Biology, MedicineProceedings of the National Academy of Sciences
- 20 January 2009
It is shown that average phenotypic changes in 40 human-harvested systems are much more rapid than changes reported in studies examining not only natural but also other human-driven perturbations in the wild, outpacing them by >300% and 50%, respectively.
Human influences on rates of phenotypic change in wild animal populations
Human activities can expose populations to dramatic environmental perturbations, which may then precipitate adaptive phenotypic change, and these changes sometimes have a genetic basis, and analyses suggest a particularly important contribution from phenotypesic plasticity.
The pace of modern life II: from rates of contemporary microevolution to pattern and process.
The results suggest that macroevolutionary transitions may ultimately arise through microevolution occasionally ‘writ large’ but are perhaps temporally characterized by microev evolution ‘ writes in fits and starts’.
The ecological importance of intraspecific variation
A meta-analysis comparing the ecological effects of variation within a species with the effects of species replacement or renewal shows that intraspecific effects may be comparable to, or sometimes stronger than, species effects.
The relative influence of natural selection and geography on gene flow in guppies
- E. Crispo, P. Bentzen, D. Reznick, M. Kinnison, A. Hendry
- Biology, MedicineMolecular ecology
- 31 October 2005
It is suggested that the standard predictions of ecological speciation may be heavily nuanced by the mating behaviour and life history strategies of guppies.
MIGRATORY COSTS AND THE EVOLUTION OF EGG SIZE AND NUMBER IN INTRODUCED AND INDIGENOUS SALMON POPULATIONS
- M. Kinnison, M. Unwin, A. Hendry, T. Quinn
- Biology, MedicineEvolution; international journal of organic…
- 1 August 2001
Analyzing egg number‐size patterns of other Pacific salmon populations in their native range supported the hypothesis that migration strongly influences patterns of reproductive allocation, favoring a higher ratio of egg number to egg size with greater migration distance.
Phenotypic plasticity and population viability: the importance of environmental predictability
- T. Reed, R. Waples, D. Schindler, J. Hard, M. Kinnison
- Biology, MedicineProceedings of the Royal Society B: Biological…
- 22 November 2010
A stochastic individual-based model is developed, in which phenotypes could respond to a temporally fluctuating environmental cue and fitness depended on the match between the phenotype and a randomly fluctuating trait optimum, to assess the absolute fitness and population dynamic consequences of plasticity under different levels of environmental stochasticallyity and cue reliability.
Biodiversity and Ecosystem Functioning
Species diversity is a major determinant of ecosystem productivity, stability, invasibility, and nutrient dynamics. Hundreds of studies spanning terrestrial, aquatic, and marine ecosystems show that…