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Filtering by: Subject Bird populations -- Oregon Academic Affiliation Zoology Degree Name Doctor of Philosophy (Ph.D.)

Ecological relationships of birds in forests of western Oregon

Creator:

Anderson, Stanley H.

Abstract:

The avifaunal composition of ten western Oregon forest stands located at the eastern base of the Coast Range was examined on a seasonal basis. The stands were dominated by Oregon white oak, Douglas fir or western hemlock, Avian populations were sampled monthly from January 1968 to January 1970, using permanent...

Resource Type:

Dissertation

Full Text:

the bird species composition and diversity of western Oregon forests? 2. How did the avian
Habitat relations of typical austral and boreal avifauna in the Willamette Valley, Oregon

Creator:

Evenden, Frederick George

Abstract:

See pdf

Resource Type:

Dissertation
The role of avian predators in an Oregon rocky intertidal community

Creator:

Marsh, Christopher P.

Abstract:

Birds affected the community structure of an Oregon rocky shore by preying upon mussels (Mytilus spp.) and limpets (Collisella spp.). The impact of such predation is potentially great, as mussels are the competitively dominant mid-intertidal space-occupiers, and limpets are important herbivores in this community. Prey selection by birds reflects differences...

Resource Type:

Dissertation

Full Text:

The role of avian predators in an Oregon rocky
Habitat distributions of birds and mammals in Lositne Canyon, Wallowa Mountains, northeast Oregon

Creator:

Sturges, Franklin Wright

Resource Type:

Dissertation

Full Text:

Canyon, Wallowa Mountains, northeast Oregon HABITAT DISThIBUTIONS OF BIRDS AED MAWIALS IN LOSTflE