Alec Maule, Ph.D. (Former Employee)
Science and Products
Filter Total Items: 65
Fasting augments PCB impact on liver metabolism in anadromous Arctic Char Fasting augments PCB impact on liver metabolism in anadromous Arctic Char
Anadromous arctic char (Salvelinus alpinus) undertake short feeding migrations to seawater every summer and accumulate lipids, while the rest of the year is spent in fresh water where the accumulated lipid reserves are mobilized. We tested the hypothesis that winter fasting and the associated polychlorinated biphenyls' (PCBs) redistribution from lipid depots to critical tissues impair...
Authors
M.M. Vijayan, N. Aluru, A.G. Maule, E.H. Jorgensen
Evidence of detrimental effects of environmental contaminants on growth and reproductive physiology of white sturgeon in impounded areas of the Columbia River Evidence of detrimental effects of environmental contaminants on growth and reproductive physiology of white sturgeon in impounded areas of the Columbia River
This study sought to determine whether wild white sturgeon from the Columbia River (Oregon) were exhibiting signs of reproductive endocrine disruption. Fish were sampled in the free-flowing portion of the river (where the population is experiencing reproductive success) and from three reservoirs behind hydroelectric dams (where fish have reduced reproductive success). All of the 18...
Authors
G.W. Feist, M.A.H. Webb, D.T. Gundersen, E.P. Foster, C.B. Schreck, A.G. Maule, M.S. Fitzpatrick
Aroclor 1254 exposure reduces disease resistance and innate immune responses in fasted arctic charr Aroclor 1254 exposure reduces disease resistance and innate immune responses in fasted arctic charr
To examine the immunological impacts of polychlorinated biphenyls (PCBs) in an environmentally relevant way, we orally contaminated Arctic charr (Salvelinus alpinus) with Aroclor 1254. After contamination, fish were either fed (0 and 100 mg Aroclor 1254 kg-1 fish wt) or fasted (0, 1, 10, and 100 mg kg-1) to mimic cycles of feeding-fasting experienced by Arctic animals. After four months...
Authors
A.G. Maule, E.H. Jorgensen, M.M. Vijayan, J.-E.A. Killie
Biological science in Oregon Biological science in Oregon
Fishing is an important part of Oregon's culture. The Western Fisheries Research Center (WFRC) has been conducting research in Oregon for many years to provide information that can be used by managers to help keep fish and other parts of the ecosystem healthy. Below are examples of some of WFRC's studies.
Authors
Lyman Thorsteinson
Assessment of smolt condition: Biological and environmental interactions -- The impact of prey and predators on juvenile salmonids Assessment of smolt condition: Biological and environmental interactions -- The impact of prey and predators on juvenile salmonids
The Bonneville Power Administration (BPA) has funded the Assessment of Smolt Condition project since 1987. During that time the project changed frequently to meet the information needs of fish managers by conducting studies throughout the Columbia River basin. Past research has examined the influence of smolt physiological development and health on migration rate; differences in...
Authors
Sally T. Sauter, Robin M. Schrock, James H. Petersen, Alec G. Maule
Acute exposure to gas-supersaturated water does not affect reproductive success of female adult chinook salmon late in maturation Acute exposure to gas-supersaturated water does not affect reproductive success of female adult chinook salmon late in maturation
At times, total dissolved gas concentrations in the Columbia and Snake rivers have been elevated due to involuntary spill from high spring runoff and voluntary spill used as a method to pass juvenile salmonids over dams. The goal of this project was to determine if acute exposure to total dissolved gas supersaturation (TDGS) affects the reproductive performance of female chinook salmon...
Authors
William L. Gale, A.G. Maule, A. Postera, M.H. Peters
Science and Products
Filter Total Items: 65
Fasting augments PCB impact on liver metabolism in anadromous Arctic Char Fasting augments PCB impact on liver metabolism in anadromous Arctic Char
Anadromous arctic char (Salvelinus alpinus) undertake short feeding migrations to seawater every summer and accumulate lipids, while the rest of the year is spent in fresh water where the accumulated lipid reserves are mobilized. We tested the hypothesis that winter fasting and the associated polychlorinated biphenyls' (PCBs) redistribution from lipid depots to critical tissues impair...
Authors
M.M. Vijayan, N. Aluru, A.G. Maule, E.H. Jorgensen
Evidence of detrimental effects of environmental contaminants on growth and reproductive physiology of white sturgeon in impounded areas of the Columbia River Evidence of detrimental effects of environmental contaminants on growth and reproductive physiology of white sturgeon in impounded areas of the Columbia River
This study sought to determine whether wild white sturgeon from the Columbia River (Oregon) were exhibiting signs of reproductive endocrine disruption. Fish were sampled in the free-flowing portion of the river (where the population is experiencing reproductive success) and from three reservoirs behind hydroelectric dams (where fish have reduced reproductive success). All of the 18...
Authors
G.W. Feist, M.A.H. Webb, D.T. Gundersen, E.P. Foster, C.B. Schreck, A.G. Maule, M.S. Fitzpatrick
Aroclor 1254 exposure reduces disease resistance and innate immune responses in fasted arctic charr Aroclor 1254 exposure reduces disease resistance and innate immune responses in fasted arctic charr
To examine the immunological impacts of polychlorinated biphenyls (PCBs) in an environmentally relevant way, we orally contaminated Arctic charr (Salvelinus alpinus) with Aroclor 1254. After contamination, fish were either fed (0 and 100 mg Aroclor 1254 kg-1 fish wt) or fasted (0, 1, 10, and 100 mg kg-1) to mimic cycles of feeding-fasting experienced by Arctic animals. After four months...
Authors
A.G. Maule, E.H. Jorgensen, M.M. Vijayan, J.-E.A. Killie
Biological science in Oregon Biological science in Oregon
Fishing is an important part of Oregon's culture. The Western Fisheries Research Center (WFRC) has been conducting research in Oregon for many years to provide information that can be used by managers to help keep fish and other parts of the ecosystem healthy. Below are examples of some of WFRC's studies.
Authors
Lyman Thorsteinson
Assessment of smolt condition: Biological and environmental interactions -- The impact of prey and predators on juvenile salmonids Assessment of smolt condition: Biological and environmental interactions -- The impact of prey and predators on juvenile salmonids
The Bonneville Power Administration (BPA) has funded the Assessment of Smolt Condition project since 1987. During that time the project changed frequently to meet the information needs of fish managers by conducting studies throughout the Columbia River basin. Past research has examined the influence of smolt physiological development and health on migration rate; differences in...
Authors
Sally T. Sauter, Robin M. Schrock, James H. Petersen, Alec G. Maule
Acute exposure to gas-supersaturated water does not affect reproductive success of female adult chinook salmon late in maturation Acute exposure to gas-supersaturated water does not affect reproductive success of female adult chinook salmon late in maturation
At times, total dissolved gas concentrations in the Columbia and Snake rivers have been elevated due to involuntary spill from high spring runoff and voluntary spill used as a method to pass juvenile salmonids over dams. The goal of this project was to determine if acute exposure to total dissolved gas supersaturation (TDGS) affects the reproductive performance of female chinook salmon...
Authors
William L. Gale, A.G. Maule, A. Postera, M.H. Peters