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Filtering by: Committee Member Mason, Robert Advisor Dugger, Katie M.

Estimation of Population Age Structure, Detection Probability, and Density of Red Tree Voles in Oregon

Creator:

Marks-Fife, Chad A.

Abstract:

Red tree voles (Arborimus longicaudus) are a unique species of Arvicoline rodent found in western Oregon and northwest California. Their preferred habitat is mature and old-growth coniferous forest dominated by Douglas-fir (Pseudotsuga menziesii). Tree voles are an important prey item for northern spotted owls and many other predators, but are...

Resource Type:

Masters Thesis

Full Text:

which I can never adequately thank him. I want to thank my committee members, Dan Edge and Bob Mason
Foraging ecology of barred owls where they are outcompeting the threatened northern spotted owl

Creator:

Baumbusch, Ryan C.

Abstract:

Following European-American colonization of North America and associated landscape changes, barred owls (Strix varia) underwent a dramatic expansion of their historical range. The barred owl expanded across the previously tree-less Great Plains that had limited their distribution, and into the forests along the west coast. In these western forests they...

Resource Type:

Dissertation

Full Text:

committee, Drs. Taal Levi, Bob Mason, Todd Wilson, and Klaus Puettmann for thoughtful input and