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Agonistic behavior in Montane voles, Microtus montanus, from different parent population densities

Creator:: Belden, Lonnie Mack
Resource Type:: Masters Thesis
Full Text:: high denaity uoilatios containing a hither nwber of adults. A larger ratio f tales -.o iaies was

Home range, dispersal, homing and density of the Townsend mole Scapanus townsendii (Bachman) near Tillamook, Oregon

Creator:: Giger, Richard D.
Abstract:: Home range, dispersal, homing and density of Townsend's mole, Scapanus townsendii (Bachman), were studied during 1964 near Tillamook, Oregon. Additional information on the success of marking and capture techniques and the response of moles to flooding was gathered. This study was initiated to supply information which might aid in the...
Resource Type:: Masters Thesis
Full Text:: Professor Lee W. Kuhn of the Department of Fisheries and Wildlife, Oregon State University, for guidance

Evaluation of shrimp and crab processing waste as a feed supplement for mink (Mustela vison)

Creator:: Watkins, Bruce Ellsworth
Abstract:: Three products derived from shrimp processing waste (Pandalus jordani) and a protein concentrate extracted from king crab waste (Paralithodes camschatica) were evaluated as feed supplements for standard dark and sapphire pelter mink (Mustela vison) replacing approximately 10 and/or 20 percent of the protein in a standard wet diet (33 percent...
Resource Type:: Masters Thesis
Full Text:: : Redacted for Privacy Lee KuVin Three products derived from shrimp processing waste (Pandalus jordani

Growth and reproduction of the feral nutria Myocastor coypus (molina) near Corvallis, Oregon

Creator:: Peloquin, Edgar Paul
Abstract:: Six hundred and forty nutrias, Myocastor coypus (Molina), were collected near Corvallis, Oregon, and examined to determine criteria of their growth and reproduction. Two hundred and eighty-nine were tagged, measured, and released to determine growth under natural conditions. Nutria weights were calculated to the nearest 0.1 pound by weighing the...
Resource Type:: Masters Thesis

The impact of nutria (Myocastor coypus) on marsh vegetation in the Willamette Valley, Oregon

Creator:: Wentz, William Alan
Abstract:: The relation of nutria (Myocastor coypus) feeding to total abundance, species composition, and seasonal use of the marsh flora on the William L. Finley National Wildlife Refuge was studied during 1969 and 1970. Nutria numbers were estimated by livetrapping. Food habits data were compiled from observations of feeding nutria. Phenology,...
Resource Type:: Masters Thesis

Resource Selection, and Demographic Rates of Female Greater Sage-Grouse Following Large-Scale Wildfire

Creator:: Foster, Lee
Abstract:: Understanding the effects of habitat disturbance on a species' habitat selection patterns, and demographic rates, is essential to projecting the trajectories of populations affected by disturbance, as well as for determining the appropriate conservation actions needed to maintain those populations. Greater sage-grouse (Centrocercus urophasianus) is a species of conservation concern...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Lee Foster for the degree of Master of Science in Wildlife Science presented

Enhanced production of Pacific dulse (Palmaria mollis) for co-culture with abalone in a land-based system

Creator:: Demetropoulos, Carl Lee
Abstract:: Palmaria mollis (Pacific dulse) is increasingly being used in land-based marine aquaculture. This work elucidates nutrient, inorganic carbon, light, salinity, and temperature requirements of P. mollis as food for abalone species. Nutrient additions every 5 to 7 days resulted in no significant difference in P. mollis growth compared with daily...
Resource Type:: Dissertation
Full Text:: ....................................................................................... 189 DEDICATION This work is dedicated to the marine naturalist, Dr. Lee F. Braithwaite, who first

Hormonal and osmoregulatory aspects of smoltification in coho salmon, Oncorhynchus kisutch

Creator:: Specker, Jennifer Lee
Abstract:: Coho salmon smolts (Oncorhynchus kisutch) were transported at low and high densities. (12 and 120 g/L) for short and long periods (4 and 12 h). Because smolts can be transplanted directly to seawater, half of the fish in each treatment were transported to tanks containing seawater and half to tanks...
Resource Type:: Dissertation
Full Text:: Coho Salmon, Oncorhynchus kisutch AN ABSTRACT OF THE THESIS OF Jennifer Lee Specker for the degree

Using Oregon trawl logbooks to study spatial and temporal characteristics of commercial groundfish species associations

Creator:: Lee, Yong Woo
Abstract:: Species associations of fifteen major commercial groundfish species in the northeastern Pacific ocean and their spatial and temporal characteristics were studied using Oregon bottom trawl logbook data, 1987 to 1993. Screening procedures were used to remove questionable data from the original logbook files, which resulted in the exclusion of information...
Resource Type:: Masters Thesis
Full Text:: characteristics of commercial groundfish species associations AN ABSTRACT OF THE THESIS OF Yong Woo Lee for

Effects of o,p'-DDE on the immune system of juvenile chinook salmon (Oncorhynchus tshawytscha)

Creator:: Milston, Ruth Helen
Abstract:: Environmental factors such as chemical contamination can have immunomodulatory effects on the immune response of fish and may be contributing to the decline in salmonid populations by augmenting disease susceptibility. Xenobiotics can interfere with the immune system at several levels of complexity, and different immune cells and processes have variable...
Resource Type:: Masters Thesis
Full Text:: of Master of Science in Fisheries Science presented on August 23, 2001. Title: Effects of o,p'-DDE

ScholarsArchive@OSU

Agonistic behavior in Montane voles, Microtus montanus, from different parent population densities

Home range, dispersal, homing and density of the Townsend mole Scapanus townsendii (Bachman) near Tillamook, Oregon

Evaluation of shrimp and crab processing waste as a feed supplement for mink (Mustela vison)

Growth and reproduction of the feral nutria Myocastor coypus (molina) near Corvallis, Oregon

The impact of nutria (Myocastor coypus) on marsh vegetation in the Willamette Valley, Oregon

Resource Selection, and Demographic Rates of Female Greater Sage-Grouse Following Large-Scale Wildfire

Enhanced production of Pacific dulse (Palmaria mollis) for co-culture with abalone in a land-based system

Hormonal and osmoregulatory aspects of smoltification in coho salmon, Oncorhynchus kisutch

Using Oregon trawl logbooks to study spatial and temporal characteristics of commercial groundfish species associations

Effects of o,p'-DDE on the immune system of juvenile chinook salmon (Oncorhynchus tshawytscha)

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