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Arctic ground squirrel population collapse in the boreal forests of the Southern Yukon

Jeffery R. Werner, Auteur ; Charles J. Krebs, Auteur ; Scott A. Donker, Auteur ; Rudy Boonstra, Auteur ; Michael J. Sheriff, Auteur

Dans Wildlife Research (42(2) 2015)

Context. The arctic ground squirrel (Urocitellus parryii) comprised 17% of the biomass of herbivores in the Yukon boreal forest during the summer months from 1987 to 1996 and was responsible for 23% of the energy flow at the herbivore level. By [...]

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Article

Population limitation of the northern red-backed vole in the boreal forests of northern Canada

Rudy Boonstra, Auteur ; Charles J. Krebs, Auteur

Dans Journal of Animal Ecology (75(6) NOV 2006)

1. Across the vast boreal forests of North America, no population cycles in Clethrionomys species occur. In Eurasia, by contrast, some Clethrionomys populations of the same species undergo regular 3-5-year cycles. We examined the effects of nutr[...]

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