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Browsing Faculty and HMSC Affilliated Research Publications (Hatfield Marine Science Center) by Issue Date

Browsing Faculty and HMSC Affilliated Research Publications (Hatfield Marine Science Center) by Issue Date

Now showing items 1-20 of 165

Parasites as indicators of English sole (Parophrys vetulus) nursery grounds

Olson, Robert E.; Pratt, Ivan (American Fisheries Society, 1973-04)

Juvenile English sole, Parophrys vetulus utilize Yaquina Bay, Oregon, as a nursery during at least a portion of their first year of life, but the possibility of the existence of additional nursery grounds offshore has no ...
Research on anadromous fish in coastal watersheds of Oregon

McGie, Alan M.; Oregon. Fish Commission Division of Management and Research ([Portland, Or.] : Fish Commission of Oregon, Division of Management and Research, 1974-07)
Research on anadromous fish in coastal watersheds of Oregon

McGie, Alan M.; Oregon. Fish Commission Division of Management and Research; Oregon. Dept. of Fish and Wildlife. Research Section ([Portland, Or.] : Fish Commission of Oregon, Division of Management and Research, 1975-07)
Investigation of shark attack on Kenneth Doudt at Cannon Beach

Link, Terry (Oregon Department of Fish and WIldlife, 1979)

This three page report details a shark attack on a surfer that tooks place on November 27, 1979 off Cannon Beach, Oregon. The bite marks on the surfboard are detailed including x-rays showing the teeth marks.
Recolonization of sediment-associated microalgae and effects of estuarine infauna on microalgal production

Davis, Michael W.; Lee II, Henry (Inter-Research, 1983-03-24)

Experiments were performed to determine the rate of recolonization of sediment-associated microalga and effects of infauna on microalgal biomass and production. Estuarine sediment was defaunated and transplanted to the f ...
Abundance, movements, and feeding habits of harbor seals, Phoca vitulina, at Netarts and Tillamook Bays, Oregon

Brown, Robin F.; Mate, Bruce R. (Washington, D.C. : The Service : Supt. of Docs., U.S. G.P.O [ distributor], 1983-04)
Effects of physical gradients on the production dynamics of sediment-associated algae

Davis, Michael W.; McIntire, C. David (Inter-Research, 1983-08-30)

Sediment-associated microalgal biomass expressed as chlorophyll a concentration, total organic matter concentration expressed as ash-free dry weight, and hourly rates of net community primary production and community oxy ...
Feeding Behavior, Prey Consumption, and Growth of Juvenile Red Hake

Luczkovich, J.J.; Olla, B.L. (American Fisheries Society, 1983-09)

Juvenile red hake Urophycis chuss were collected while they were inhabiting sea scallops Placopecten magellanicus , and the effects of appetite and food availability on prey consumption and growth were examined under lab ...
Feeding ecology of pelagic larvae of English sole Parophrys vetulus and butter sole Isopsetta isolepis off the Oregon coast

Gadomski, Dena M.; Boehlert, George W. (Inter-Research, 1984-11-08)

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 ...
Behavior of juvenile bluefish Pomatomus saltatrix in vertical thermal gradients: influence of season, temperature acclimation and food

Olla, Bori L.; Studholme, Anne L.; Bejda, Allen J. (Inter-Research, 1985-05-16)

Behavioral responses of juvenile bluefish P. saltatrix L. exposed to cold water in a vertical thermal gradient were measured under controlled laboratory conditions. The temperature regime was similar to conditions that t ...
Changes in Avoidance Response Time of Juvenile Chinook Salmon Exposed to Multiple Acute Handling Stresses

Sigismondi, Linda A.; Weber, Lavern J. (American Fisheries Society, 1988-03)

A simple behavioral test was devised to determine the effects of multiple acute stresses on the avoidance response time of fish. Groups of freshwater-adapted juvenile chinook salmon Oncorhynchus tshawytscha were exposed ...
Neutralizing monoclonal antibodies recognize antigenic variants among isolates of infectious hematopoietic necrosis virus

Winton, J.R.; Arakawa, C.K.; Lannan, C.N.; Fryer, J.L. (Inter-Research, 1988-07-27)

Neutralizing monoclonal antibodies were developed against strains of infectious hematopoietic necrosis virus (IHNV) from steelhead trout Salmo gairdneri in the Deschutes River of Oregon, chinook salmon Oncorhynchus tshaw ...
Interannual Variation in Diet and Condition in Juvenile Bluefish during Estuarine Residency

Friedland, K.D.; Garman, G.C.; Bejda, A.J.; Studholme, A.L.; Olla, B.L. (American Fisheries Society, 1988-09)

We examined the diets and weight-length relationships of juvenile bluefish Pomatomus saltatrix from Sandy Hook Bay, New Jersey, during 1981, 1983, and 1984. Diets consisted of a variety of polychaete, crustacean, and fi ...
Predation and food limitation as causes of mortality in larval herring at a spawning ground in British Columbia

Purcell, Jennifer E.; Grover, Jill J. (Inter-Research, 1990-01-11)

We quantified both in situ predation on Pacific herring (Clupea haregus pallasi ) larvae by soft-bodied zooplankton, and microzooplankton prey of herring larvae in Kulleet Bay, Vancouver Island, British Columbia. Samples ...
Mass Abundances of Abnormal Pacific Herring Larvae at a Spawning Ground in British Columbia

Purcell, Jennifer E.; Grosse, Daniel; Grover, Jill J. (American Fisheries Society, 1990-05)

Abnormalities including contortion of the body and reduction of the jaws and pectoral fins occurred among 2-25% of the yolk-sac Pacific herring larvae Clupea harengus pallasi collected in 1985 from Kulleet Bay, a spawni ...
Effects of physical factors on the vertical distribution of larval walleye pollock Theragra chalcogramma under controlled laboratory conditions

Olla, Bori L.; Davis, Michael W. (Inter-Research, 1990-05-29)

This study examined, under controlled laboratory conditions, behavioral responses of larval walleye pollock (4 to 8 mm) to various physical factors that may potentially play a role in vertical movements and distribution. ...
Two Cell Lines from White Sturgeon

Hedrick, Ronald P.; McDowell, Terry S.; Rosemark, Renee; Aronstein, Diane; Lannan, Catharine N. (American Fisheries Society, 1991-07)

Cell lines were established from spleen and heart tissues of a juvenile white sturgeon Acipenser transmontanus and designated WSS-2 and WSH-1, respectively. Isoenzyme analyses of both lines confirmed their host of origin ...
Infectivity of a rickettsia isolated from coho salmon Oncorhynchus kisutch

Garces, L.H.; Larenas, J.J.; Smith, P.A.; Sandino, S.; Lannan, C.N.; Fryer, J.L. (Inter-Research, 1991-08-08)

Two species of salmonids were tested for their susceptibility to infection by a rickettsia isolated in cell culture from diseased coho salmon Oncorhynchus kisutch in Chile. Mortality approached 100% in coho and Atlantic ...
A Fluorescent Antibody Test for Detection of the Rickettsia Causing Disease in Chilean Salmonids

Lannan, C.N.; Ewing, S.A.; Fryer, J.L. (American Fisheries Society, 1991-12)

An indirect fluorescent antibody test (IFAT) was developed for detection of the rickettsia that was causing epizootics among salmonids cultured in seawater net-pens in southern Chile. Antiserum against the rickettsial ag ...
Comparison of Predator Avoidance Capabilities with Corticosteroid Levels Induced by Stress in Juvenile Coho Salmon

Olla, Bori L.; Davis, Michael W.; Schreck, Carl B. (American Fisheries Society, 1992-07)

The relationship between predator avoidance deficits induced by a simple handling stress and the level of plasma corticosteroids was determined for juvenile coho salmon Oncorhynchus kisutch. Groups of fish were held out ...