Search Results - "Hobbs, Roderick C."

Blow collection as a non-invasive method for measuring cortisol in the beluga (Delphinapterus leucas) by Thompson, Laura A, Spoon, Tracey R, Goertz, Caroline E C, Hobbs, Roderick C, Romano, Tracy A

“…Non-invasive sampling techniques are increasingly being used to monitor glucocorticoids, such as cortisol, as indicators of stressor load and fitness in zoo…”
Get full text

Erythrocyte, Whole Blood, Plasma, and Blubber Fatty Acid Profiles in Oceanaria-Based versus Wild Alaskan Belugas (Delphinapterus leucas) by Schmitt, Todd L., Goertz, Caroline E. C., Hobbs, Roderick C., Osborn, Steve, DiRocco, Stacy, Bissell, Heidi, Harris, William S.

“…This investigation compared the fatty acid (FA) levels found in erythrocyte (RBC) membranes, plasma, whole blood (WB), and blubber from wild Alaskan (Bristol…”
Get full text

Skin microbiome of beluga whales: spatial, temporal, and health-related dynamics by Van Cise, Amy M, Wade, Paul R, Goertz, Caroline E C, Burek-Huntington, Kathy, Parsons, Kim M, Clauss, Tonya, Hobbs, Roderick C, Apprill, Amy

“…Host-specific microbiomes play an important role in individual health and ecology; in marine mammals, epidermal microbiomes may be a protective barrier between…”
Get full text

Relationship between per capita births of Cook Inlet belugas and summer salmon runs: age‐structured population modeling by Norman, Stephanie A., Hobbs, Roderick C., Beckett, Laurel A., Trumble, Stephen J., Smith, Woutrina A.

“…Anthropogenic disturbances may alter a population's conservation status if the ability of individuals to survive and breed is affected. We used an adaptation…”
Get full text

De novo transcriptome assembly and RNA-Seq expression analysis in blood from beluga whales of Bristol Bay, AK by Morey, Jeanine S., Burek Huntington, Kathy A., Campbell, Michelle, Clauss, Tonya M., Goertz, Caroline E., Hobbs, Roderick C., Lunardi, Denise, Moors, Amanda J., Neely, Marion G., Schwacke, Lori H., Van Dolah, Frances M.

“…Assessing the health of marine mammal sentinel species is crucial to understanding the impacts of environmental perturbations on marine ecosystems and human…”
Get full text

Investigation of molecular biomarkers as potential indicators of health in wild belugas (Delphinapterus leucas) by Unal, Ebru, Goertz, Caroline E. C., Hobbs, Roderick C., Suydam, Robert, Romano, Tracy

“…The health implications of increasing exposure of marine mammals to environmental and anthropogenic stressors have been of major concern, warranting a better…”
Get full text

Bayesian estimation of group sizes for a coastal cetacean using aerial survey data by Boyd, Charlotte, Hobbs, Roderick C., Punt, André E., Shelden, Kim E. W., Sims, Christy L., Wade, Paul R.

“…Many small cetacean, sirenian, and pinniped species aggregate in groups of large or variable size. Accurate estimation of group sizes is essential for…”
Get full text

Movements of beluga whales (Delphinapterus leucas) in Bristol Bay, Alaska by Citta, John J., Quakenbush, Lori T., Frost, Kathryn J., Lowry, Lloyd, Hobbs, Roderick C., Aderman, Helen

“…We describe the annual distribution of beluga whales (Delphinapterus leucas) in Bristol Bay, Alaska, using data from 31 satellite‐linked transmitters during…”
Get full text

Satellite telemetry reveals population specific winter ranges of beluga whales in the Bering Sea by Citta, John J., Richard, Pierre, Lowry, Lloyd F., O'Corry‐Crowe, Gregory, Marcoux, Marianne, Suydam, Robert, Quakenbush, Lori T., Hobbs, Roderick C., Litovka, Denis I., Frost, Kathryn J., Gray, Tom, Orr, Jack, Tinker, Ben, Aderman, Helen, Druckenmiller, Matthew L.

“…At least five populations (stocks) of beluga whales (Delphinapterus leucas) are thought to winter in the Being Sea, including the Bristol Bay, Eastern Bering…”
Get full text

Polar Research Special Cluster—Beluga whales (Delphinapterus leucas): knowledge from the wild, human care and TEK by Kovacs, Kit M., Romano, Tracy A., Reeves, Randall R., Hobbs, Roderick C., Desportes, Geneviève, Brennan, Ree, Castellote, Manuel

Get full text

Assessing the abundance of Bristol Bay belugas with genetic mark‐recapture methods by Citta, John J., O'Corry‐Crowe, Gregory, Quakenbush, Lori T., Bryan, Anna L., Ferrer, Tatiana, Olson, Myra J., Hobbs, Roderick C., Potgieter, Brooke

“…The Bristol Bay stock of beluga whales (Delphinapterus leucas) is genetically distinct and resides in Bristol Bay year‐round. We estimated the abundance of…”
Get full text

A multi-species synthesis of satellite telemetry data in the Pacific Arctic (1987–2015): Overlap of marine mammal distributions and core use areas by Citta, John J., Lowry, Lloyd F., Quakenbush, Lori T., Kelly, Brendan P., Fischbach, Anthony S., London, Josh M., Jay, Chadwick V., Frost, Kathryn J., Crowe, Gregory O'Corry, Crawford, Justin A., Boveng, Peter L., Cameron, Michael, Von Duyke, Andrew L., Nelson, Mark, Harwood, Lois A., Richard, Pierre, Suydam, Robert, Heide-Jørgensen, Mads Peter, Hobbs, Roderick C., Litovka, Dennis I., Marcoux, Marianne, Whiting, Alex, Kennedy, Amy S., George, John C., Orr, Jack, Gray, Tom

“…We collated available satellite telemetry data for six species of ice-associated marine mammals in the Pacific Arctic: ringed seals (Pusa hispida; n = 118),…”
Get full text

Meta-population Modeling of Narwhals, Monodon monoceros, in East Canada and West Greenland by Witting, Lars, Doniol-Valcroze, Thomas, Hobbs, Roderick C, Ditlevsen, Susanne, Heide-Jorgensen, Mads Peter

“…Narwhals, Monodon monoceros, in the Baffin Bay region of East Canada and West Greenland are aggregated into eight summer stocks, and they are hunted in 24…”
Get full text

Distribution, Abundance, Harvest, and Status of Western Alaska Beluga Whale, Delphinapterus leucas, Stocks by Lowry, Lloyd F, Citta, John J, O'corry-Crowe, Greg, Quakenbush, Lori T, Frost, Kathryn J, Suydam, Robert, Hobbs, Roderick C, Gray, Tom

“…The Alaska Beluga Whale Committee co-manages three western Alaska beluga whale Delphinapterus leucas, stocks with the National Marine Fisheries Service, NOAA,…”
Get full text

Seasonal and developmental differences in blubber stores of beluga whales in bristol bay, alaska using high-resolution ultrasound by Cornick, Leslie A., Quakenbush, Lori T., Norman, Stephanie A., Pasi, Coral, Maslyk, Pamela, Burek, Kathy A., Goertz, Caroline E. C., Hobbs, Roderick C.

“…Diving mammals use blubber for a variety of structural and physiological functions, including buoyancy, streamlining, thermoregulation, and energy storage…”
Get full text

Evaluating beluga (Delphinapterus leucas) blow samples as a potential diagnostic for immune function gene expression within the respiratory system by Richard, Justin T, Schultz, Krystle, Goertz, Caroline E C, Hobbs, Roderick C, Romano, Tracy A, Sartini, Becky L

“…We describe a method for the isolation of total RNA from blow (exhale) samples collected from beluga whales. Transcripts used to assess immune function in…”
Get full text

Viability of a small, geographically-isolated population of Beluga Whales, Delphinapterus leucas: effects of hunting, predation, and mortality events in Cook Inlet, Alaska by Hobbs, Roderick C, Wade, Paul R, Shelden, Kim E.W

“…A genetically distinct population of beluga whales, Delphinapterus leucas, in Cook Inlet, Alaska, displays strong site fidelity to the inlet year-round. A…”
Get full text

SEASONAL HEMATOLOGY AND SERUM CHEMISTRY OF WILD BELUGA WHALES (DELPHINAPTERUS LEUCAS) IN BRISTOL BAY, ALASKA, USA by Norman, Stephanie A., Goertz, Caroline E. C., Burek, Kathy A., Quakenbush, Lori T., Cornick, Leslie A., Romano, Tracy A., Spoon, Tracey, Miller, Woutrina, Beckett, Laurel A., Hobbs, Roderick C.

“…We collected blood from 18 beluga whales (Delphinapterus leucas), live-captured in Bristol Bay, Alaska, USA, in May and September 2008, to establish baseline…”
Get full text

Estimated abundance and trend in aerial counts of beluga whales, Delphinapterus leucas, in Cook Inlet, Alaska, 1994-2012 by Hobbs, Roderick C, Shelden, Kim E.W, Rugh, David J, Sims, Christy L, Waite, Janice M

“…Aerial surveys of beluga whales, Delphinapterus leucas, have been conducted annually in Cook Inlet, Alaska, from 1993 to 2012. Beluga whales were seen near the…”
Get full text

Spatio-temporal changes in beluga whale, Delphinapterus leucas, distribution: results from aerial surveys (1977-2014), opportunistic sightings (1975-2014), and satellite tagging (1999-2003) in Cook Inlet, Alaska by Shelden, Kim E.W, Goetz, Kimberly T, Rugh, David J, Calkins, Donald G, Mahoney, Barbara A, Hobbs, Roderick C

“…Cook Inlet is inhabited year-round by a small, distinct group of beluga whales, Delphinapterus leucas. This endangered and declining population lives near…”
Get full text