Adam M SiepielskiSummaryAffiliation: University of Wyoming Country: USA Publications
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Publications
Extreme environmental variation sharpens selection that drives the evolution of a mutualismAdam M Siepielski
Department of Zoology and Physiology, University of Wyoming, Laramie, WY 82071, USA
Proc Biol Sci 274:1799-805. 2007..Infrequent events can thus be essential to both adaptive evolution and the evolutionary dynamics of species interactions...
Seed predation and selection exerted by a seed predator influence subalpine tree densitiesAdam M Siepielski
Department of Zoology and Physiology, Department 3166, University of Wyoming, Laramie, Wyoming 82071, USA
Ecology 89:2960-6. 2008..In sum, pine squirrels apparently depress limber and whitebark pine stand densities, with the potential for ecosystem impacts because these pines are foundation species within Western subalpine ecosystems...
Conflicting selection from an antagonist and a mutualist enhances phenotypic variation in a plantAdam M Siepielski
Department of Zoology and Physiology, University of Wyoming, Laramie, Wyoming 82071, USA
Evolution 64:1120-8. 2010..These results indicate that conflicting selection stemming from spatial variation in community diversity can enhance phenotypic variation in ecologically important traits...
A seed predator drives the evolution of a seed dispersal mutualismAdam M Siepielski
Department of Zoology and Physiology, University of Wyoming, Laramie, WY 82071, USA
Proc Biol Sci 275:1917-25. 2008..Given that adaptive evolution in response to antagonists frequently impedes one kind of mutualistic interaction, the evolution of alternative mutualistic interactions may be a common by-product...
The local introduction of strongly interacting species and the loss of geographic variation in species and species interactionsCraig W Benkman
Department of Zoology and Physiology, University of Wyoming, Laramie, WY 82071, USA
Mol Ecol 17:395-404. 2008..Such introductions have eliminated incipient species of crossbills (Loxia spp.) co-evolving in arms races with conifers and will likely have considerable impacts on community structure and ecosystem processes...
Cone and seed trait variation in whitebark pine (Pinus albicaulis; Pinaceae) and the potential for phenotypic selectionRoberto Garcia
Department of Zoology and Physiology, University of Wyoming, Laramie, Wyoming 82071 USA
Am J Bot 96:1050-4. 2009..In contrast, the few traits where variation within trees equaled or exceeded that among trees underwent weak if any phenotypic selection...
Reciprocal selection causes a coevolutionary arms race between crossbills and lodgepole pineCraig W Benkman
Department of Biology, New Mexico State University, Las Cruces, New Mexico, 88003, USA
Am Nat 162:182-94. 2003..These results show that crossbills and lodgepole pine exhibit reciprocal adaptations in response to reciprocal selection, and they provide insight into the traits mediating and responding to selection in a coevolutionary arms race...
Interactions among moths, crossbills, squirrels, and lodgepole pine in a geographic selection mosaicAdam M Siepielski
Department of Biology, MSC 3AF, New Mexico State University, Las Cruces, New Mexico 88003-8001, USA
Evolution Int J Org Evolution 58:95-101. 2004..These results demonstrate the importance of considering the evolutionary consequences of community context in locally evolved (coevolved) traits and interactions...
