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Development of a progeny marker for steelhead

Creator:: Shippentower, Gene E.
Abstract:: This study was undertaken to determine if strontium chloride could be used to create a trans-generational otolith mark in steelhead (Oncorhynchus mykiss). I completed two strontium injection trials and a survey of juvenile steelhead from various steelhead hatcheries. The two trials measured Sr:Ca ratios in otoliths in response to injections...
Resource Type:: Masters Thesis
Full Text:: . Douglas Markle and Dr. Roger Nielsen for providing assistance during my graduate work. I would like

Effects of wildfire on growth and demographics of coastal cutthroat trout in headwater streams

Creator:: Heck, Michael P.
Abstract:: Wildfire is a largely terrestrial perturbation broadly recognized as an agent of disturbance and ecological change in forested biomes. Effects of post-fire conditions on biotic components of aquatic systems have been less well-documented, although hypothetically, the two are strongly connected. In fact, the influence of wildfire may be most profound...
Resource Type:: Masters Thesis
Full Text:: following people were invaluable to this project: Bob Gresswell, Doug Bateman, Gary Larson, Doug Markle

Design, assessment, and future implications of the Multiple Enzyme Analyzer (MEA), a tool for in-situ monitoring of marine microbial activity

Creator:: Jaeger, Stephanie A.
Abstract:: The microbial loop plays a crucial role in remineralization of organic matter and fuels recycled production in the aquatic environment. The capability of microbes to utilize particular compounds can be examined through their ectoenzyme (found outside the cell) activities using fluorogenic substrate analogs. These catalysts hydrolyze polymers otherwise too large...
Resource Type:: Masters Thesis
Full Text:: assistance, and Dr. Douglas Markle for serving as my graduate council representative. A number of

Natural products from temperate and tropical marine algae

Creator:: Graber, Melodie A.
Resource Type:: Masters Thesis
Full Text:: . Constantine, Philip J. Proteau and Douglas Markle for their advice and assistance. I especially thank Dr

Wave competence and morphodynamics of boulder and gravel beaches

Creator:: Lorang, Mark
Resource Type:: Dissertation

Distribution of the eggs and larvae of some flatfishes (Pleuronectiformes) off Washington, Oregon, and northern Calfornia, 1980-1983

Creator:: Urena, Helena Molina
Resource Type:: Masters Thesis

Evolution and risk in conservation of Pacific salmon

Creator:: Currens, Kenneth P.
Abstract:: Identifying appropriate units for conservation requires knowledge of evolutionary patterns and risks of managing at different geographical and genetic scales. I examined genetic diversity at different geographical scales among 11,400 rainbow trout (Oncorhynchus mykiss) from 243 locations in 13 major river basins throughout much of their range and among coho...
Resource Type:: Dissertation

Responses of foothill yellow-legged frog (Rana boylii) larvae to an introduced predator

Creator:: Paoletti, David J.
Abstract:: The consequences of species introductions into non-native habitats are a major cause of concern in the U.S. An introduced species may alter native habitats, cause economic damage, compete with natives for resources or prey on them. Of particular interest are the effects of predation by introduced fishes on native amphibians....
Resource Type:: Masters Thesis
Full Text:: and trust throughout this endeavor. I would also like to extend my thanks to Dr. Doug Markle for

Patterns of coastal cutthroat trout survival in two headwater stream networks

Creator:: Berger, Aaron M.
Abstract:: Mark-recapture methods were used to examine watershed-scale survival rates of coastal cutthroat trout (Oncorhynchus clarkii clarkii) from two headwater stream networks located in the foothills of the Cascade Mountain Range, Oregon. Differences in survival were explored among spatial (stream segment, stream network [main stem or tributaries], and watershed) and temporal...
Resource Type:: Masters Thesis
Full Text:: . Markle Mark-recapture methods were used to examine watershed-scale survival rates of coastal

The relationships between fluctuations in oceanographic conditions, forage fishes, predatory fishes, predator food habits, and juvenile salmonid marine survival off the Columbia River

Creator:: Emmett, Robert L.
Abstract:: Salmonid run sizes are strongly affected by their early marine stage. Fully understanding the life history of salmonids means understanding how they interact with their marine environment and with other fishes. Changes in the biological and physical environment off the Columbia River region affects the distribution and abundance of predatory...
Resource Type:: Dissertation
Full Text:: , my major advisor, and my graduate committee, William Pearcy, William Peterson, Douglas Markle, and

ScholarsArchive@OSU

Development of a progeny marker for steelhead

Effects of wildfire on growth and demographics of coastal cutthroat trout in headwater streams

Design, assessment, and future implications of the Multiple Enzyme Analyzer (MEA), a tool for in-situ monitoring of marine microbial activity

Natural products from temperate and tropical marine algae

Wave competence and morphodynamics of boulder and gravel beaches

Distribution of the eggs and larvae of some flatfishes (Pleuronectiformes) off Washington, Oregon, and northern Calfornia, 1980-1983

Evolution and risk in conservation of Pacific salmon

Responses of foothill yellow-legged frog (Rana boylii) larvae to an introduced predator

Patterns of coastal cutthroat trout survival in two headwater stream networks

The relationships between fluctuations in oceanographic conditions, forage fishes, predatory fishes, predator food habits, and juvenile salmonid marine survival off the Columbia River

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