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Mexican wolves, elk, and aspen in Arizona: Is there a trophic cascade?

Citation

Beschta, Robert L, and Ripple, William J, Mexican wolves, elk, and aspen in Arizona: Is there a trophic cascade?: .

Summary

In 1998, Mexican gray wolves (Canis lupus baileyi) were introduced into the Blue Range Wolf Recovery Area (BRWRA) that spans adjacent portions of Arizona andNewMexico. In 2009 we selected three mixedconifer sites on the Apache National Forest, within the BRWRA of east-central Arizona, to characterize long-term age structure of aspen (Populus tremuloides) and to check for the possible occurrence of a tri-trophic cascade involving Mexican wolves, Rocky Mountain elk (Cervus elaphus nelsoni), and aspen. These mixed-conifer sites included (a) a refugium site, (b) an old-growth site, and (c) a site thinned in 1991?1992. The refugium site was inaccessible to elk and cattle whereas the old-growth and thinned sites were accessible to elk, but [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS Export <br> On - Wed Sep 19 07:58:02 MDT 2012

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Title Citation Mexican wolves, elk, and aspen in Arizona: Is there a trophic cascade?

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