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Filtering by: Subject Butterflies -- Ecology -- Oregon -- Willamette River Valley

Butterfly and flower community composition among prairie-oak ecosystem habitats in the Willamette Valley, Oregon

Creator:

Powers, Breanna F.

Abstract:

Prairie-oak ecosystems in the Willamette Valley, Oregon have experienced habitat loss and degradation; most of these ecosystems are fragmented into smaller patches. Prairie-oak butterfly species, in the Willamette Valley, have decreased dramatically due to loss or degradation of habitat. More research is needed on sustaining the populations of butterflies in...

Resource Type:

Masters Thesis
Relationship between plant and butterfly community composition on upland prairies of the Willamette Valley, Oregon

Creator:

York, Melissa M.

Abstract:

Small remnants of 'natural' habitats exist today throughout much of the world. Upland prairies in the Willamette Valley, Oregon have been nearly eliminated by conversion to agriculture and other uses. As a result, very few prairies remain and at least four butterfly species that require this habitat appear to be...

Resource Type:

Masters Thesis