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The effects of different otolith ageing techniques on estimates of growth and mortality for two species of rockfishes, Sebastes pinniger and Sebastes diploproa

Creator:: Wilson, Christopher D.
Abstract:: The use of some age determination methods may result in the incorrect age structure of fish populations. This in turn may lead to incorporation of inappropriate data into models used for stock management. Otoliths are commonly used for determining the age of fishes, and ages based on the whole otoliths...
Resource Type:: Masters Thesis
Full Text:: major professor and friend Dr. George Boehlert, whose continued support and guidance kept me moving in

Bioenergetics of yolk utilization in embryos and yolk-sac larvae of the surf-smelt Hypomesus pretiosus pretiosus (Girard, 1855) under different incubation temperatures

Creator:: Garreton, Marta S.
Resource Type:: Masters Thesis
Full Text:: suggestions and criticisms by Dr. George W. Boehlert and his generous encouragement and advice during the

Feeding ecology of pelagic larvae of two pleuronectids (English sole, Parophrys vetulus, and butter sole, Isopsetta isolepis) off the Oregon coast

Creator:: Gadomski, Dena Marie
Resource Type:: Masters Thesis
Full Text:: support and encouragement. ACKNOWLEDGEMENTS My deepest thanks to Dr. George Boehiert, my major

Welcome and Conference Objectives

Creator:: Boehlert, George
Abstract:: The speaker provided the background of the conference and its objective. The groundwork for the current conference was laid in earlier workshops and studies. These include the 2007 scientific workshop, "Ecological Effects of Wave Energy Development in the Pacific Northwest", the report "Effects of EMFs from Undersea Power Cables on...
Resource Type:: Presentation

Evaluation of differing anti-predator strategies of three juvenile north Pacific flatfish species

Creator:: Lemke, Jena
Abstract:: Pleuronectid flatfish are generally thought to utilize stereotypical anti-predator behavior to reduce encounters with potential predators, including burial, maintaining a low profile on the bottom, cryptic coloration, and reduced activity. However, a series of laboratory experiments demonstrate significantly different predation rates on juvenile (Age-0) English sole (Parophrys vetulus), northern rock...
Resource Type:: Masters Thesis

Irrigated agriculture, energy, and endangered species in the Upper Klamath Basin : Evaluating trade-offs and interconnections

Creator:: Boehlert, Brent B.
Abstract:: In 2001, an extreme drought tightened water supply in the Upper Klamath Basin (basin) while earlier increases in Endangered Species Act (ESA) water requirements for basin fish species that same year elevated demands. The Bureau of Reclamation (Reclamation), which manages irrigation water in parts of the basin located near the...
Resource Type:: Masters Thesis
Full Text:: would also like to thank my parents, George and Susan Boehlert, for their kindness, generosity, and

Natal source contributions of Pacific cod (Gadus macrocephalus) recruits in the southeastern Bering Sea

Creator:: DiMaria, Ruth A.
Abstract:: Effective and sustainable fisheries management not only depends on identifying and defining stocks (fundamental unit of management), but also on having knowledge of factors influencing the abundance, distribution and connectivity of stocks. Population structure of Pacific cod (Gadus macrocephalus) in the southeastern Bering Sea (EBS) remains unresolved although genetic data...
Resource Type:: Masters Thesis
Full Text:: . Clerf for assistance with otolith preparation; and A. Stoner, L. Ciannelli, G. Boehlert, and two

The relation of tidal height and sediment type to the intertidal distribution of marine oligochaetes in Coos Bay, Oregon

Creator:: Strehlow, David Randall
Resource Type:: Masters Thesis
Full Text:: . I also thank committee members Dr. George Boehlert and Dr. Robert Olson for their advice and

Improving Seawater Pumping and Small Docks at the Hatfield Marine Science Center: A Planning Workshop - May 14, 2007 Hatfield Marine Science Center Newport, Oregon

Creator:: Hall, Ken, Boehlert, George W., and Walker, Randy
Abstract:: The HMSC brought together three dozen scientists, engineers, educators, and facilities managers from throughout the Pacific Northwest for a day-long workshop on May 14, 2007 to assess and prioritize infrastructure improvement needs for seawater pumping and bay/ocean access in support of the HMSC’s research and education mission. Funded by a...
Resource Type:: Conference Proceeding
Full Text:: by Ken Hall, Program Manager, Oregon State University Hatfield Marine Science Center George Boehlert

Feeding ecology of pelagic larvae of English sole Parophrys vetulus and butter sole Isopsetta isolepis off the Oregon coast

Creator:: Gadomski, Dena M. and Boehlert, George W.
Abstract:: The food habits of the 2 dominant larval pleuronectids off the Oregon coast - English sole Parophrys vetulus and butter sole Isopsetta isolepis - were analysed. Most specimens were collected during January-April 1971 and March-April 1973. As is typical of larval fishes, I. isolepis larvae ingested a variety of prey...
Resource Type:: Article
Full Text:: Isopsetta isolepis off the Oregon coast Dena M. Gadomski* and George W. Boehlert** College of

ScholarsArchive@OSU

The effects of different otolith ageing techniques on estimates of growth and mortality for two species of rockfishes, Sebastes pinniger and Sebastes diploproa

Bioenergetics of yolk utilization in embryos and yolk-sac larvae of the surf-smelt Hypomesus pretiosus pretiosus (Girard, 1855) under different incubation temperatures

Feeding ecology of pelagic larvae of two pleuronectids (English sole, Parophrys vetulus, and butter sole, Isopsetta isolepis) off the Oregon coast

Welcome and Conference Objectives

Evaluation of differing anti-predator strategies of three juvenile north Pacific flatfish species

Irrigated agriculture, energy, and endangered species in the Upper Klamath Basin : Evaluating trade-offs and interconnections

Natal source contributions of Pacific cod (Gadus macrocephalus) recruits in the southeastern Bering Sea

The relation of tidal height and sediment type to the intertidal distribution of marine oligochaetes in Coos Bay, Oregon

Improving Seawater Pumping and Small Docks at the Hatfield Marine Science Center: A Planning Workshop - May 14, 2007 Hatfield Marine Science Center Newport, Oregon

Feeding ecology of pelagic larvae of English sole Parophrys vetulus and butter sole Isopsetta isolepis off the Oregon coast

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