Wolves, elk, and aspen in the winter range of Jasper National Park, Canada

• Published in: Canadian Journal of Forest Research
• Main Authors: Beschta, R. L., Ripple, W. J.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 2007
• Subjects: Ecology; Forestry; Global and Planetary Change; Canada; Palisades; The Palisades; Canis lupus
• Online Access: http://dx.doi.org/10.1139/x07-017; http://www.nrcresearchpress.com/doi/full-xml/10.1139/X07-017; http://www.nrcresearchpress.com/doi/pdf/10.1139/X07-017

We undertook a retrospective study of aspen age structure in the winter range of Jasper National Park to assess potential trophic cascades in wolf–elk–aspen systems. We compiled historical wolf ( Canis lupus Linnaeus, 1758) and elk ( Cervus elaphus Linnaeus, 1758) population data and, in 2005, sampl...