Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Creator Kelly, Elizabeth G. Subject Competition (Biology) -- Oregon

The range expansion of the northern barred owl : an evaluation of the impact on spotted owls

Creator:

Kelly, Elizabeth G.

Abstract:

Since their range expansion into the Pacific Northwest, anecdotal evidence suggests that northern barred owls (Strix varia varia) may be displacing northern spotted owls (Strix occidentalis caurina). My objectives were to characterize barred owl distribution and population increase in Oregon, investigate spotted owl territory performance before and after barred owl...

Resource Type:

Masters Thesis