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Relations between the distribution of Canada geese and the quantity and quality of forage at W. L. Finley National Wildlife Refuge, 1984-1987

Creator:: Naughton, Maura
Resource Type:: Masters Thesis
Full Text:: the quantity and quality of forage at W. L. Finley National Wildlife Refuge, 1984-1987 AN ABSTRACT

Population ecology of the dusky Canada goose (Branata candensis occidentalis Baird)

Creator:: Sheaffer, Susan E.
Abstract:: Adult dusky Canada geese (Branta canadensis occidentalis Baird) were banded with plastic neck bands and observed on the winter range during 1985-92. Annual survival rates of adult geese estimated from observation data ranged from 76% to 85%. A model of Canada goose population dynamics was developed to illustrate relationships between...
Resource Type:: Dissertation
Full Text:: , 1993 Commencement June 1993 APPROVED: Robert L. Ja of niajor Professor of Wildlife Ecology, in

Direct and indirect effects of livestock grazing intensity on processes regulating grassland bird populations

Creator:: Johnson, Tracey N.
Abstract:: In grasslands, grazing by large ungulates can influence vegetation structure, composition, primary productivity, and ultimately, ecosystem functioning. While grazing represents a complex disturbance, grazing intensity largely determines the effects of grazing on vegetation. Structural and compositional changes in the plant community caused by grazing could have bottom-up effects on species...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________________________ Patricia L. Kennedy In grasslands, grazing by large ungulates can influence vegetation

The energetics of migration and reproduction of dusky Canada geese (Branta canadensis occidentalis)

Creator:: Bromley, Robert G. H.
Abstract:: Adult female Dusky Canada Geese were studied on the Copper River Delta, Alaska and in the Willamette Valley, Oregon during April through July, 1977 to 1979. Objectives of the research were to: 1) determine the chronology of use of protein and energy reserves in relation to four periods of reproduction...
Resource Type:: Dissertation
Full Text:: Robert L. Jjrvis Adult female Dusky Canada Geese were studied on the Copper River Delta, Alaska and in

Habitat use, movements, and behavior of postbreeding female canvasbacks in Manitoba

Creator:: Devries, James H.
Abstract:: The habitat use, movements, and behavioral energetics of unsuccessfully breeding female canvasbacks (Aythya valisineria) were examined during the preflightless period in southern Manitoba during 1989-90. Following breeding attempts, unsuccessful females generally expanded their home range on the breeding area, remained there for up to one month, preferentially used large semipermanent...
Resource Type:: Masters Thesis
Full Text:: approved: Dr.' ert L. Jarvis The habitat use, movements, and behavioral energetics of unsuccessfully

Ecology of female northern pintails during winter in the San Joaquin Valley, California

Creator:: Fleskes, Joseph P.
Abstract:: I radio-tagged 191 Hatch-Year (HY) and After-Hatch-Year (AHY) female northern pintails (Anas acuta) in the San Joaquin Valley (SJV), California and studied their movements, habitat use and survival during August March, 1991-94. Overall, 94.3% wintered in central California; the highest percentage left during the 1991 drought. Tulare Basin and Mendota...
Resource Type:: Dissertation
Full Text:: individuals and organizations contributed to the success of this study. Robert L. Jarvis, my major professor

Effects of oil and natural gas development on territory occupancy of ferruginous hawks and golden eagles in Wyoming, USA

Creator:: Wallace, Zachary P.
Abstract:: Energy development is expanding rapidly across the western US. Negative effects have been documented for some wildlife, but consequences of development are unclear for other taxa, including raptors. We had the opportunity to examine effects of oil and natural gas development on two raptor species of conservation concern, ferruginous hawks...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________________________________ Patricia L. Kennedy Energy development is expanding rapidly across the western US

Assessment of drainwater evaporation ponds as waterfowl habitat in the San Joaquin Valley, California

Creator:: Euliss, Ned H.
Resource Type:: Dissertation
Full Text:: L. Jarvis, E. "Chuck" Meslow, Lorraine T. Miller, John A. Ruben, and David R. Thomas for their

Fine scale foraging behavior of gray whales in relation to prey fields and vessel disturbance along the Oregon Coast

Creator:: Sullivan, Florence A.
Abstract:: The desire to understand the spatial and temporal drivers of animal behavior and distribution relative to scale is central to movement ecology. Optimal foraging theory states that a predator should continue exploiting a patch until it is no longer profitable to do so. As human developments increasingly encroach on the...
Resource Type:: Masters Thesis
Full Text:: profitable places and homogeneous movement bouts. Ecology 89:3336-3348. Bejder L, Samuels A, Whitehead H

Mark-recapture estimates of population parameters for selected species of small mammals

Creator:: Hammond, Ellen L.
Abstract:: I used program CAPTURE to analyze 1,535 data sets for 33 North American species of small mammals for sources of variation in capture probabilities and to characterize species-specific responses to markrecapture trapping. CAPTURE incorporates seven models to account for all possible combinations of heterogeneity (h), behavioral response (b), and time...
Resource Type:: Masters Thesis
Full Text:: selected species of small mammals AN ABSTRACT OF THE THESIS OF Ellen L. Hammond for the degree of Master

ScholarsArchive@OSU

Relations between the distribution of Canada geese and the quantity and quality of forage at W. L. Finley National Wildlife Refuge, 1984-1987

Population ecology of the dusky Canada goose (Branata candensis occidentalis Baird)

Direct and indirect effects of livestock grazing intensity on processes regulating grassland bird populations

The energetics of migration and reproduction of dusky Canada geese (Branta canadensis occidentalis)

Habitat use, movements, and behavior of postbreeding female canvasbacks in Manitoba

Ecology of female northern pintails during winter in the San Joaquin Valley, California

Effects of oil and natural gas development on territory occupancy of ferruginous hawks and golden eagles in Wyoming, USA

Assessment of drainwater evaporation ponds as waterfowl habitat in the San Joaquin Valley, California

Fine scale foraging behavior of gray whales in relation to prey fields and vessel disturbance along the Oregon Coast

Mark-recapture estimates of population parameters for selected species of small mammals

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