Index Catalog // ScholarsArchive@OSU

Multiobjective Optimization of Wetlands for Attaining Flood, Water Quality and Bird Habitat Benefits

Creator:: Noa-Yarasca, Efrain
Abstract:: A significant number of historically existing wetlands that naturally stored rainwater and attenuated flood peaks have now been drained and employed as new farming areas. Beyond the water quality and flow problem, this has resulted in loss of natural habitats of diverse ecological species. Restoring wetlands have hence been proposed...
Resource Type:: Masters Thesis
Full Text:: , Water Quality and Bird Habitat Benefits Abstract approved: Meghna Babbar-Sebens

Relationships between depredation of nests of ground-dwelling birds and habitat structure and pattern

Creator:: Haensly, Thomas F.
Abstract:: Rates of predation on artificial nests and nests of pen-reared ring-necked pheasants (Phasianus colchicus), released in spring, were compared between strip and block habitats at different densities of nests. Nests in strips had rates of predation 4-7 times greater than nests in blocks, regardless of nest density. Differences between successful...
Resource Type:: Masters Thesis
Full Text:: -dwelling Birds and Habitat Structure and Pattern AN ABSTRACT OF THE THESIS OF Thomas F. Haensly for the

Birds in a sagebrush sea: managing sagebrush habitats for bird communities

Creator:: Paige, Christine and Ritter, Sharon A.
Resource Type:: Technical Report
Full Text:: priority habitat for conservation based on trends in bird populations and habitat (Saab and Rich 1997

Habitat associations of bird communities in shrub-steppe and western juniper woodlands

Creator:: Reinkensmeyer, Daniel P.
Abstract:: The encroachment of western juniper into mountain big sagebrush plant communities and the subsequent development of juniper stands results in significant changes in vegetation structure and complexity. This study described and compared vegetative structure and bird community measures among four cover types representing a broad range of structural stages among...
Resource Type:: Masters Thesis

Habitat use and densities of cavity-nesting birds in the Oregon Coast Range

Creator:: Nelson, S. Kim
Abstract:: I studied abundance patterns and habitat use of eight cavitynesting bird species in the Coast Ranges of Western Oregon during the spring and summer of 1985 and 1986. Three age classes of unmanaged Douglas-fir (Pseudotsuga menziesii) stands were selected for study: young (40-80 yrs), mature (80-200 yrs), and old-growth (>200...
Resource Type:: Masters Thesis
Full Text:: I studied abundance patterns and habitat use of eight cavity- nesting bird species in the Coast

Bird communities in managed conifer stands in the Oregon Cascades : habitat associations and nest predation

Creator:: Vega, Robyn M. S.
Abstract:: Green-tree retention is being implemented on state and federal lands in Oregon. Silvicultural prescriptions with tree and snag retention are thought to mimic natural disturbance patterns in the Pacific Northwest more closely than traditional silvicultural practices, which reduce structural complexity. The effects of green-tree retention on native bird species in...
Resource Type:: Masters Thesis

Bird-habitat relationships at multiple spatial resolutions in the Oregon Coast Range

Creator:: Brooks, Jonathan P.
Abstract:: I analyzed the relationship between avian abundance and landscape structure at five spatial resolutions for 30 subbasins in the central Oregon Coast Range using remotely sensed data and a geographic information system (GIS). I developed maps of forest successional stages from Landsat Thematic Mapper (TM) data at a spatial resolution...
Resource Type:: Masters Thesis
Full Text:: of Master of Science in Forest Science presented on February 4, 1997. Title: Bird-Habitat

Habitat quality and assessing risks to avian biodiversity

Creator:: Barczak, Mary J.
Abstract:: Models that assess the risk to biodiversity from landscape change can help communities prioritize planning decisions. Accurate representation of the ecology and life history traits of species is necessary. This study introduces the use of habitat quality in a biodiversity risk model to determine the significance of habitat quality when...
Resource Type:: Masters Thesis

Bird communities in 5- to 34- year old managed Douglas-fir stands on the Willamette National Forest, Oregon Cascades

Creator:: Bettinger, Kelly Anne
Abstract:: Breeding bird communities were examined in 18 managed Douglas-fir stands in 6 age classes from 5 to 34 years old in spring and early summer, 1993 on the Detroit Ranger District, Willamette National Forest, Oregon. The range of seral stages included early shrub/sapling, late shrub/sapling, and pole. In general, the...
Resource Type:: Masters Thesis
Full Text:: ..... 5 Bird communities and habitat characteristics ............. 6 OBJECTIVES

Multi-scale relationships between aspen and birds in the northern Yellowstone ecosystem

Creator:: Hollenbeck, Jeff P., 1967-
Abstract:: I conducted a multi-scale evaluation of aspen – bird relationships in the northern ungulate winter range of the northern Yellowstone ecosystem during June 2001-03. Questions addressed were: (1) Does bird diversity increase with conifer presence in aspen stands? (2) Given known habitat selection cues, are migrating birds passively intercepted by...
Resource Type:: Dissertation
Full Text:: bird diversity increase with conifer presence in aspen stands? (2) Given known habitat selection cues

ScholarsArchive@OSU

Multiobjective Optimization of Wetlands for Attaining Flood, Water Quality and Bird Habitat Benefits

Relationships between depredation of nests of ground-dwelling birds and habitat structure and pattern

Birds in a sagebrush sea: managing sagebrush habitats for bird communities

Habitat associations of bird communities in shrub-steppe and western juniper woodlands

Habitat use and densities of cavity-nesting birds in the Oregon Coast Range

Bird communities in managed conifer stands in the Oregon Cascades : habitat associations and nest predation

Bird-habitat relationships at multiple spatial resolutions in the Oregon Coast Range

Habitat quality and assessing risks to avian biodiversity

Bird communities in 5- to 34- year old managed Douglas-fir stands on the Willamette National Forest, Oregon Cascades

Multi-scale relationships between aspen and birds in the northern Yellowstone ecosystem

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