Search Results - "Dick, Terry A."

Synoptic and time-series stable isotope surveys of the Mackenzie River from Great Slave Lake to the Arctic Ocean, 2003 to 2006 by Yi, Yi, Gibson, John J., Hélie, Jean-François, Dick, Terry A.

“…We report oxygen and hydrogen isotopic composition of river discharges in the main stem and tributaries in Mackenzie River system, Canada, based upon a…”
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Foraging ecology of ringed seals (Pusa hispida), beluga whales (Delphinapterus leucas) and narwhals (Monodon monoceros) in the Canadian High Arctic determined by stomach content and stable isotope analysis by Matley, Jordan K., Fisk, Aaron T., Dick, Terry A.

“…Stomach content and stable isotope analysis (δ 13 C and δ 15 N from liver and muscle) were used to identify habitat and seasonal prey selection by ringed seals…”
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Seasonal depth and temperature use, and diel movements of lake trout ( Salvelinus namaycush ) in a subarctic lake by Gallagher, Colin P., Guzzo, Matthew M., Dick, Terry A.

“…We conducted a multi-year acoustic telemetry study of lake trout (Salvelinus namaycush (Walbaum, 1792)) in a small subarctic lake to investigate depth and…”
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The foraging ecology of Arctic cod (Boreogadus saida) during open water (July–August) in Allen Bay, Arctic Canada by Matley, Jordan K., Fisk, Aaron T., Dick, Terry A.

“…Arctic cod ( Boreogadus saida ) is a schooling fish providing a critical link between lower and upper trophic levels in the Arctic. This study examined…”
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Winter feeding ecology and the importance of cannibalism in juvenile and adult burbot (Lota lota) from the Mackenzie Delta, Canada by Gallagher, Colin P, Dick, Terry A

“…The diet of adult burbot (Lota lota) collected from two locations in the Mackenzie Delta during the winter was characterized using stomach content and stable…”
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Temperature, salinity and prey availability shape the marine migration of Arctic char, Salvelinus alpinus, in a macrotidal estuary by Spares, Aaron D., Stokesbury, Michael J. W., O’Dor, Ron K., Dick, Terry A.

“…The influence of salinity, temperature and prey availability on the marine migration of anadromous fishes was determined by describing the movements, habitat…”
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Spatial variation in population density across the geographical range in helminth parasites of yellow perch Perca flavescens by Poulin, Robert, Dick, Terry A.

“…The abundance of a species is not constant across its geographical range; it has often been assumed to decrease from the centre of a species' range toward its…”
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Seabird predation on Arctic cod during summer in the Canadian Arctic by Matley, Jordan K., Fisk, Aaron T., Dick, Terry A.

“…Seabirds feed heavily on Arctic codBoreogadus saidaduring the summer in the Canadian Arctic but little is known of the interactions among birds while foraging…”
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Observation of common raven (Corvus corax) scavenging Arctic cod (Boreogadus saida) from seabirds in the Canadian High Arctic by Matley, Jordan K., Crawford, Richard E., Dick, Terry A.

“…The common raven ( Corvus corax ) is one of the most intelligent avian species, known for its ability to scavenge from humans and other animals. This adaptive…”
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Summer foraging behaviour of shallow-diving seabirds and distribution of their prey, Arctic cod (Boreogadus saida), in the Canadian Arctic by Matley, Jordan K., Crawford, Richard E., Dick, Terry A.

“…Productive areas in the Canadian Arctic seasonally provide top predators with accessible and often predictable sources of energy. Arctic cod (Boreogadus saida)…”
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Historical and Current Population Characteristics and Subsistence Harvest of Arctic Char from the Sylvia Grinnell River, Nunavut, Canada by Gallagher, Colin P., Dick, Terry A.

“…Data describing Arctic char Salvelinus alpinus were collected in 2002 and 2004 and compared with historical data collected over the past 60 years from the…”
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Richness and diversity of helminth communities in tropical freshwater fishes: empirical evidence by Choudhury, Anindo, Dick, Terry A.

“…Aim Published information on the richness and diversity of helminth parasite communities in tropical freshwater fishes is reviewed in response to expectations…”
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Sturgeons (Chondrostei: Acipenseridae) and Their Metazoan Parasites: Patterns and Processes in Historical Biogeography by Choudhury, Anindo, Dick, Terry A.

“…Aim The historical biogeography of host-parasite associations is examined in a geologically old group of fishes, the sturgeons (Osteichthyes: Acipenseridae),…”
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Trophic structure of one deep-sea benthic fish community in the eastern Canadian Arctic : application of food, parasites and multivariate analysis by CHAMBERS, Chandra A, DICK, Terry A

“…As new arctic marine fisheries develop there is need for a comprehensive ecosystem approach to long-term management. This approach recognizes the importance of…”
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Using Environmental Variables to Predict the Structure of Deep-sea Arctic Fish Communities: Implications for Food Web Construction by Chambers, Chandra A, Dick, Terry A

“…Understanding trophic interaction within deep-sea marine communities is critically important as commercial exploitation increases in the Arctic. Undoubtedly,…”
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Host length, age, diet, parasites and stable isotopes as predictors of yellow perch (Perca flavescens Mitchill), trophic status in nutrient poor Canadian Shield lakes by JOHNSON, Michael W, HESSLEIN, Ray H, DICK, Terry A

“…We used data from parasites and stable isotopes of yellow perch, Perca flavescens, to determine trophic status in four small Canadian Shield lakes as parasites…”
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Thyroid of Lake Sturgeon, Acipenser fulvescens: II. Deiodination Properties, Distribution, and Effects of Diet, Growth, and a T3 Challenge by Plohman, James C., Dick, Terry A., Eales, J.Geoffrey

“…The authors studied the properties and tissue distribution of thyroid hormone (TH) deiodination activities measured in vitro at subnanomolar substrate levels…”
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Thyroid of Lake Sturgeon, Acipenser fulvescens by Plohman, James C., Dick, Terry A., Eales, J.Geoffrey

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Thyroid of Lake Sturgeon, Acipenser fulvescens: I. Hormone Levels in Blood and Tissues by Plohman, James C., Dick, Terry A., Eales, J.Geoffrey

“…The authors measured thyroid hormone (TH) levels in plasma, whole carcass, and tissues of cultured 2-year-old immature lake sturgeon held in fresh water and in…”
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The historical ecology of yellow perch (Perca flavescens[Mitchill]) and their parasites by Carney, Joseph P., Dick, Terry A.

“…Aim To determine the origins of the host-parasite association between among yellow perch (Perca flavescens [Mitchill]) and the parasites Crepidostomum cooperi…”
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