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Effects of dieldrin on the intrinsic rate of increase of the guppy, Poecilia reticulata Peters

Creator:: Roelofs, Terry Dean
Resource Type:: Dissertation
Full Text:: the latter "C" fish. In contrast to this, at 2. 5ppb there were 10 F1 pairs and 10 "C" pairs, be

Determination of molecular hydrocyanic acid in water and studies of the chemistry and toxicity to fish of metal-cyanide complexes

Creator:: Broderius, Steven J.
Abstract:: A reliable, easy, and inexpensive method for determination of molecular hydrocyanic acid (HCN) in solutions of simple and complex metal cyanides is described. The method was used to determine molecular HCN concentrations as low as 0.005 milligram per liter, and can be used for determination of even lower levels. It...
Resource Type:: Dissertation

Determination of molecular hydrocyanic acid in water and studies of the chemistry and toxicity to fish of the nickelocyanide complex

Creator:: Broderius, Steven J.
Resource Type:: Masters Thesis
Full Text:: . Peter Doudoroff, Professor of Fisheries, Oregon State University, for his generous assistance

Elevated temperature and the production of juvenile Chinook salmon (Oncorhynchus tshawytscha) in a model stream

Creator:: Bisson, Peter Andre
Abstract:: Temperature was elevated approximately 4° C in a model stream relative to an unheated, but otherwise similar control stream. The streams were located outdoors, received identical amounts of exchange water from a nearby creek, and followed natural diurnal and seasonal temperature cycles Juvenile spring chinook salmon (Oncorhynchus tshawytscha) were introduced...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF PETER ANDRE BISSON for the degree

Comparison of methods to estimate population density of Pacific giant salamanders in small streams of the southern Oregon Cascades

Creator:: Leuthold, Niels C.
Abstract:: I compared hand sampling, two-pass multiple removal sampling, mark-recapture and catchability-based population estimates for the Pacific giant salamander (Dicamptodon tenebrosus) at 22 sites in 11 streams of Cascade Mountains of Oregon. Mark-recapture and catchability-based population estimates were not significantly different (p 0.86). Hand sampling and two-pass multiple removal population estimates...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Niels C. Leuthold for the degree

Origin and distribution of the fish fauna of the Harney Basin, Oregon

Creator:: Bisson, Peter Andre
Abstract:: A theory of the origin and distribution of fishes in the Harney Basin is presented. Blitzen River, the hydrographically and ecologically isolated creeks, and the upland tributaries of Silvies River all contain populations derived from the basin's Pleistocene connection with Malheur River of the Snake system. Colonization of many streams...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF PETER ANDRE BISSON for the MASTER

Ecological implications of trout introductions to lakes of the Selway Bitterroot Wilderness, Idaho

Creator:: Bahls, Peter F.
Abstract:: The widespread introduction of trout to naturally fishless mountain lakes in the western United States has been accompanied by little research. The ecological role of trout populations occurring in 91 lakes of the central Selway Bitterroot Wilderness, Idaho, was examined with respect to 1) the sampling variability of biological and...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Peter F, Bahls for the degree

The Influence of Alternate Life History Strategies and Natal Conditions on the Reproductive Performance of Adélie Penguins Breeding on Ross Island, Antarctica

Creator:: Kappes, Peter J.
Abstract:: A fundamental objective of ecology and population biology is to identify factors that drive population dynamics and determine the population-level consequences of their interaction with the environment. Studies of reproductive performance can illuminate population dynamic processes, including the links between organismal biology, the environment, and life history theory. A central...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Peter

Age-specific and lifetime reproductive success of known age Northern Spotted Owls on four study areas in Oregon and Washington

Creator:: Loschl, Peter J.
Abstract:: Northern Spotted Owls (Strix occidentalis caurina) are a long-lived forest owl and range-wide declines in their numbers have resulted in the species being listed as threatened under the endangered species act. While many studies have been focused on population trends and reproductive performance of Spotted Owls from different age-classes, none...
Resource Type:: Masters Thesis
Full Text:: Peter J. Loschl for the degree of Master of Science in Wildlife Science presented on March 13, 2008

Spatial and temporal movement patterns of wintering Dunlin (Calidris alpina) and Killdeer (Charadrius vociferus) in the Willamette Valley, Oregon

Creator:: Sanzenbacher, Peter M.
Abstract:: Avian movement behavior provides insight on patterns of regional and local fidelity, habitat and resource requirements, the scale at which individuals perceive the landscape, and the relative influence of the spatial array of resources. Shorebirds (suborder: Charadrii) are a diverse and mobile group of wetland associated species. Large numbers of...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Peter M. Sanzenbacher for the

ScholarsArchive@OSU

Effects of dieldrin on the intrinsic rate of increase of the guppy, Poecilia reticulata Peters

Determination of molecular hydrocyanic acid in water and studies of the chemistry and toxicity to fish of metal-cyanide complexes

Determination of molecular hydrocyanic acid in water and studies of the chemistry and toxicity to fish of the nickelocyanide complex

Elevated temperature and the production of juvenile Chinook salmon (Oncorhynchus tshawytscha) in a model stream

Comparison of methods to estimate population density of Pacific giant salamanders in small streams of the southern Oregon Cascades

Origin and distribution of the fish fauna of the Harney Basin, Oregon

Ecological implications of trout introductions to lakes of the Selway Bitterroot Wilderness, Idaho

The Influence of Alternate Life History Strategies and Natal Conditions on the Reproductive Performance of Adélie Penguins Breeding on Ross Island, Antarctica

Age-specific and lifetime reproductive success of known age Northern Spotted Owls on four study areas in Oregon and Washington

Spatial and temporal movement patterns of wintering Dunlin (Calidris alpina) and Killdeer (Charadrius vociferus) in the Willamette Valley, Oregon

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