Ramaley C309
AV名湿 Interests
I am an evolutionary ecologist interested in contemporary natural selection and microevolution in wild animals.听 A major goal of the research in my lab is to examine the ecological circumstances associated with short-term evolutionary changes. Social interactions between family members and neighbors often have important consequences for individual phenotypes and fitness, so my lab is currently particularly interested in maternal effects and other social effects on adaptation in nature.
I pursue these research goals by studying systems that are simple enough to identify and manipulate key ecological agents of evolutionary change, while still maintaining the inherent complexities of evolution in the natural world.听 Much of the research in my group has been part of a collaborative, long-term study of wild red squirrels in the Yukon Territory of Canada (), but we have also studied deer mice, an invasive zooplankton species (Bythotrephes longimanus), fruit flies, and will soon start some laboratory research on Syrian hamsters.
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Selected Publications
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McAdam, A. G., S. Boutin, B. Dantzer, J. E. Lane, and M. M. Humphries. 2019. Seed masting causes fluctuations in optimum litter size and lag load in a seed predator. The American Naturalist 194: 574-589. DOI: 10.1086/703743
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Fisher, D. N., J. A. Haines, S. Boutin, B. Dantzer, J. E. Lane, M. M. Humphries, D. W. Coltman, and A. G. McAdam.听 2019. Indirect effects on fitness between individuals that have never met via an extended phenotype. Ecology Letters 22: 697-706. DOI:听10.1111/ele.13230
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Siracusa, E. R., D. R. Wilson, E. K. Studd, S. Boutin, M. M. Humphries, B. Dantzer, J. E. Lane, and A. G. McAdam. 2019. Red squirrels mitigate costs of territory defence through social plasticity. Animal Behaviour. 151: 29-42. DOI: 10.1016/j.anbehav.2019.02.014.
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Fisher, D. N., S. Boutin, B. Dantzer, M. M. Humphries, J. E. Lane, and A. G. McAdam. 2017. Multilevel and sex-specific selection on competitive traits in North American red squirrels. Evolution 71: 1841-1854. DOI: 10.1111/evo.13270
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Betini, G. S., A. G. McAdam, C. K. Griswold, and D. R. Norris. 2017. A fitness trade-off between seasons causes multigenerational cycles in鈥� phenotype and population size. eLife DOI:
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Taylor, R. W., S. Boutin, M. M. Humphries, J. C. Gorrell, D. W. Coltman, and A. G. McAdam. 2014. Selection on female behaviour fluctuates with offspring environment. Journal of Evolutionary Biology 27: 2308-2321. doi: 10.1111/jeb.12495
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Miehls, A. L. J., S. D. Peacor and A. G. McAdam. 2014. Gape-limited predators as agents of selection on the defensive morphology of an invasive invertebrate. Evolution 68 (9): 2633-2643. doi: 10.1111/evo.12472
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Stewart, F. E. C. and A. G. McAdam. 2014. Seasonal plasticity of maternal behaviour in Peromyscus maniculatus gracilis. Behaviour 151 (11): 1641-1662.
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McAdam, A. G., D. Garant, and A. J. Wilson. 2014. The effects of others' genes: maternal and other indirect genetic effects. In Quantitative Genetics in the Wild.听 Oxford University Press.
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Dantzer, B., A. E. M. Newman, R. Boonstra, R. Palme, S. Boutin, M. M. Humphries, and A. G. McAdam. 2013. Density triggers maternal hormones that increase adaptive offspring growth in a wild mammal.听 Science 340: 1215-1217.
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