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Yellowstone wolf (<i>Canis lupus</i>) denisty predicted by elk (<i>Cervus elaphus</i>) biomass

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Mech, L. D., and S. M. Barber-Meyer. 2015. Yellowstone wolf (Canis lupus) denisty predicted by elk (Cervus elaphus) biomass. Canadian Journal of Zoology, 93:499-502.. doi: 10.1139/cjz-2015-0002

Summary

The Northern Range (NR) of Yellowstone National Park (YNP) hosts a higher prey biomass density in the form of elk (Cervus elaphus L., 1758) than any other system of gray wolves (Canis lupus L., 1758) and prey reported. Therefore, it is important to determine whether that wolf–prey system fits a long-standing model relating wolf density to prey biomass. Using data from 2005 to 2012 after elk population fluctuations dampened 10 years subsequent to wolf reintroduction, we found that NR prey biomass predicted wolf density. This finding and the trajectory of the regression extend the validity of the model to prey densities 19% higher than previous data and suggest that the model would apply to wolf–prey systems of even higher prey biomass.

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Type Scheme Key
local-index unknown 70159937
local-pk unknown 70159937
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1139/cjz-2015-0002
series unknown Canadian Journal of Zoology

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citationTypeArticle
journalCanadian Journal of Zoology
languageEnglish
parts
typevolume
value93
typeissue
value6

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