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Browsing Greinar- HÍ by Subject "Introgressive hybridization"

Browsing Greinar- HÍ by Subject "Introgressive hybridization"

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    Do foraging methods in winter affect morphology during growth in juvenile snow geese? 
    Jónsson, Jón Einar; Afton, Alan D. (Wiley-Blackwell, 2016-10-05)
    Physical exertion during growth can affect ultimate size and density of skeletal structures. Such changes from different exercise regimes may explain morphological differences between groups, such as those exhibited by lesser snow geese (Chen caerulescens ...
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    Origins of the Greenland shark (Somniosus microcephalus): Impacts of ice-olation and introgression 
    Walter, Ryan P.; Roy, Denis; Hussey, Nigel E.; Stelbrink, Björn; Kovacs, Kit M.; Lydersen, Christian; McMeans, Bailey C.; Svavarsson, Jörundur; Kessel, Steven T.; Biton Porsmoguer, Sebastián; Wildes, Sharon; Tribuzio, Cindy A.; Campana, Steven; Petersen, Stephen D.; Grubbs, R. Dean; Heath, Daniel D.; Hedges, Kevin J.; Fisk, Aaron T. (Wiley-Blackwell, 2017-09-08)
    erein, we use genetic data from 277 sleeper sharks to perform coalescent-based modeling to test the hypothesis of early Quaternary emergence of the Greenland shark (Somniosus microcephalus) from ancestral sleeper sharks in the Canadian Arctic-Subarctic ...