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Excavation of red squirrel middens by grizzly bears in the whitebark pine zone

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Excavation of red squirrel middens by grizzly bears in the whitebark pine zone; 1997; Article; Journal; Journal of Applied Ecology; Mattson, D. J.; Reinhart, D. P.

Summary

Whitebark pine seeds Pinus albicaulis are an important food of grizzly Ursus arctos horribilis bears wherever whitebark pine is abundant in the contiguous United States of America; availability of seeds affects the distribution of bears, and the level of conflict between bears and humans. Almost all of the seeds consumed by bears are excavated from middens where red squirrels Tamiasciurus hudsonicus have cached whitebark pine cones.Relationships among the occupancy of middens by squirrels, the excavation of middens by bears, and site features were investigated in this study. Data were collected from radio-marked bears and from middens located from line transects on two study sites in the Yellowstone ecosystem.Densities of active middens [...]

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Harvested on Thu Dec 31 04:16:33 MST 2015 from MODS XML Service

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Type Scheme Key
local-index unknown 1015715
local-pk unknown 1015715
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.2307/2405283
series unknown Journal of Applied Ecology

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journalJournal of Applied Ecology
parts
typevolume
value34
typeissue
value4
languageEnglish
citationTypeArticle

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