Search Results - "Tallman, R. F."

Statistical power: an important consideration in designing community-based monitoring programs for Arctic and sub-Arctic subsistence fisheries by VanGerwen-Toyne, M., Gillis, D. M., Tallman, R. F.

“…Polar communities and management agencies require well-designed monitoring systems to determine whether harvesting is biologically sustainable. While it is…”
Get full text

Small-scale Arctic charr Salvelinus alpinus fisheries in Canada's Nunavut: management challenges and options by Roux, M. J., Tallman, R. F., Lewis, C. W.

“…The Arctic charr Salvelinus alpinus is a diverse and abundant resource in Canada's Nunavut. The anadromous form is primarily targeted by exploitation in…”
Get full text

Life history variation in Arctic charr ( Salvelinus alpinus ) and the effects of diet and migration on the growth, condition, and body morphology of two Arctic charr populations in Cumberland Sound, Nunavut, Canada by Young, A.L., Tallman, R.F., Ogle, D.H.

“…Arctic charr (Salvelinus alpinus (Linnaeus, 1758)) are phenotypically plastic with multiple dietary–morphological relationships observed throughout their…”
Get full text

Ecological niche specialization inferred from morphological variation and otolith strontium of Arctic charr Salvelinus alpinus L. found within open lake systems of southern Baffin Island, Nunavut, Canada by Loewen, T. N., Gillis, D., Tallman, R. F.

“…The presence of two morphotypes of Arctic charr Salvelinus alpinus was confirmed via morphological variation and otolith strontium (Sr) within three open‐lake…”
Get full text

Genetic analysis of sympatric migratory ecotypes of Arctic charr Salvelinus alpinus: alternative mating tactics or reproductively isolated strategies? by Moore, J.-S., Loewen, T. N., Harris, L. N., Tallman, R. F.

“…Three populations of Arctic charr Salvelinus alpinus from southern Baffin Island were previously identified to display variable migratory phenotypes, with an…”
Get full text

Gene flow and effective population size in two life-history types of broad whitefish Coregonus nasus from the Canadian Arctic by Harris, L. N., Taylor, E. B., Tallman, R. F., Reist, J. D.

“…In this study, the magnitude and direction of gene flow and estimates of effective population sizes (Ne) were quantified among two life‐history types…”
Get full text

Migratory Variation in Mackenzie River System Broad Whitefish: Insights from Otolith Strontium Distributions by Harris, L. N., Loewen, T. N., Reist, J. D., Halden, N. M., Babaluk, J. A., Tallman, R. F.

“…There is growing recognition of the global importance of preserving biodiversity. While many organisms show immense variation in intraspecific biodiversity,…”
Get full text

Migration and life history alternatives in a high latitude species, the broad whitefish, Coregonus nasus Pallas by Tallman, R. F., Abrahams, M. V., Chudobiak, D. H.

“…– We examined the expected changes in the life history trajectory of an Arctic species, broad whitefish, in the lower Mackenzie River between an anadromous…”
Get full text

Data limited assessment of selected North American anadromous charr stocks by Tallman, R. F, Zhu, Xinhua, Janjua, Y, Toyne, M, Roux, M. -J, Harris, L, Howland, K. L, Gallagher, C

“…Charr populations are particularly susceptible to change, either from the application of harvest or environmental conditions such as climate variation. As an…”
Get full text

Migration Patterns of Freshwater and Anadromous Inconnu in the Mackenzie River System by Howland, Kimberly L., Tallman, Ross F., Tonn, William M.

“…Radiotelemetry, long‐term seasonal gillnetting, and a synthesis of existing historical data revealed that both freshwater and anadromous inconnu Stenodus…”
Get full text

Seasonal variation in diet and trophic relationships within the fish communities of the lower Slave River, Northwest Territories, Canada by LITTLE, A. S, TONN, W. M, TALLMAN, R. F, REIST, J. D

“…Increased industrial activities on the Peace and Athabasca River systems have raised concerns about cumulative impacts on fish and water resources downstream,…”
Get full text

Identification of Freshwater and Anadromous Inconnu in the Mackenzie River System by Analysis of Otolith Strontium by Howland, Kimberly L., Tonn, William M., Babaluk, John A., Tallman, Ross F.

“…Because trace elements from the environment are incorporated into the otoliths of fish as they grow, otolith microchemistry can be used to reconstruct key…”
Get full text

Age determination of a long-lived coregonid from the Canadian North: comparison of otoliths, fin rays and scales in inconnu (Stenodus leucichthys) by Howland, Kimberly L., Gendron, Michel, Tonn, William M., Tallman, Ross F.

“…We examined otoliths, pelvic fin rays and scales of inconnu to determine precision of age estimates within and between readers, and to compare relative…”
Get full text

Seasonal environmental predictability and homing in riverine fishes by QUINN, T. P, TALLMAN, R. F

“…A recent paper by L'Abee-Lund & Voellestad (1985) discussed the importance of environmental predictability in the evolution of natal stream homing in fishes…”
Get full text

Migration and life history variation in Arctic charr, Salvelinus alpinus by Tallman, Ross F., Saurette, Fernand, Thera, Trevor

“…Migratory and non-migratory forms have been observed in many salmonoid fishes including Arctic salmonids and coregonids. To test the hypothesis that migratory…”
Get full text

Depth and temperature preference of anadromous Arctic char Salvelinus alpinus in the Kitikmeot Sea, a shallow and low-salinity area of the Canadian Arctic by Harris, Les N., Yurkowski, David J., Gilbert, Matthew J. H., Else, Brent G. T., Duke, Patrick J., Ahmed, Mohamed M. M., Tallman, Ross F., Fisk, Aaron T., Moore, Jean-Sébastien

“…The Arctic climate is changing rapidly, yet predicting how aquatic species will respond to these changes remains challenging given the lack of empirical data…”
Get full text

Physician attitudes toward pharmaceutical sales representatives by Andaleeb, S S, Tallman, R F

“…Physicians in northwestern Pennsylvania were surveyed to identify the factors that influenced their attitudes toward pharmaceutical sales representatives…”
Get more information

Effects of Climate Change and UV Radiation on Fisheries for Arctic Freshwater and Anadromous Species by Reist, James D., Wrona, Frederick J., Prowse, Terry D., Dempson, J. Brian, Power, Michael, Köck, Günter, Carmichael, Theresa J., Sawatzky, Chantelle D., Lehtonen, Hannu, Tallman, Ross F.

“…Fisheries for arctic freshwater and diadromous fish species contribute significantly to northern economies. Climate change, and to a lesser extent increased…”
Get full text

Intraspecific resource partitioning in a headwaters stream fish, the pearl dace Semotilus margarita (Cyprinidae) by Tallman, Ross F., Gee, John H.

“…Pearl dace, S. margarita , are common in slow-moving channels and pools of the headwaters of the Brokenhead River. From May to September age groups 0, 1 and 2+…”
Get full text

Relationships of physicians with pharmaceutical sales representatives and pharmaceutical companies: an exploratory study by Anadaleeb, S S, Tallman, R F

“…Physicians were surveyed in Northwestern Pennsylvania to examine how they viewed their relationships with pharmaceutical sales representatives (PSR) and the…”
Get more information