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Filtering by: Subject White-breasted nuthatch -- Effect of habitat modification on -- Oregon -- Willamette River Valley

White-breasted nuthatch density and nesting ecology in oak woodlands of the Willamette Valley, Oregon

Creator:

Viste-Sparkman, Karen

Abstract:

Habitat loss causes a reduction in available resources for wildlife, alters the configuration of remaining habitat, and may isolate wildlife populations. White-breasted nuthatches (Sitta carolinensis) are experiencing long-term population declines in the Willamette Valley of Oregon, where they are historically associated with oak woodlands. As secondary cavity-nesters, white-breasted nuthatches may...

Resource Type:

Masters Thesis

Full Text:

: White-breasted Nuthatch Density and Nesting Ecology in Oak Woodlands of the Willamette Valley, Oregon
Over-winter demography of the gray-tailed vole (Microtus canicaudus) in fragmented and continuous habitats

Creator:

Brunkal, Heidi L.

Abstract:

Large scale disruption of natural habitats worldwide has led to concern over the effects of habitat fragmentation on wildlife populations. Small scale experiments may be a useful tool for discovering effects of fragmentation over larger landscape scales. I sought to explore the potential for using voles as an experimental model...

Resource Type:

Masters Thesis

Full Text:

Willamette Valley of Oregon. Eight 0.2-ha (45 x 45 m) small mammal enclosures were used for this experiment
The effects of patch size and isolation on juvenile emigration in gray-tailed voles, Microtus canicaudus

Creator:

Nelson, Natasha

Resource Type:

Masters Thesis

Full Text:

mammal that inhabits grasslands in the Willamette Valley of western Oregon (Verts and Carraway 1987