Search Results - "Fedak, Michael A."

A simple new algorithm to filter marine mammal Argos locations by Freitas, Carla, Lydersen, Christian, Fedak, Michael A., Kovacs, Kit M.

“…During recent decades satellite telemetry using the Argos system has been used extensively to track many species of marine mammals. However, the aquatic…”
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Efficient abstracting of dive profiles using a broken‐stick model by Photopoulou, Theoni, Lovell, Philip, Fedak, Michael A., Thomas, Len, Matthiopoulos, Jason, Börger, Luca

“…Summary For diving animals, animal‐borne sensors are used to collect time–depth information for studying behaviour, ranging patterns and foraging ecology…”
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Wintertime ocean conditions over the southern Weddell Sea continental shelf, Antarctica by Nicholls, Keith W., Boehme, Lars, Biuw, Martin, Fedak, Michael A.

“…During the austral winter of 2007 a Weddell Seal tagged with a miniaturized conductivity‐temperature‐depth (CTD) instrument travelled over the central southern…”
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Seasonal inflow of warm water onto the southern Weddell Sea continental shelf, Antarctica by Årthun, Marius, Nicholls, Keith W., Makinson, Keith, Fedak, Michael A., Boehme, Lars

“…To capture the austral summer to winter transition in water mass properties over the southern Weddell Sea continental shelf and slope region, 19 Weddell seals…”
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The importance of Southern Ocean frontal systems for the improvement of body condition in southern elephant seals by Gordine, Samantha A., Fedak, Michael A., Boehme, Lars

“…As top predators, it has been suggested that southern elephant seals serve as sentinels of ecosystem status to inform management and conservation. This is…”
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TWO APPROACHES TO COMPRESSING AND INTERPRETING TIME-DEPTH INFORMATION AS AS COLLECTED BY TIME-DEPTH RECORDERS AND SATELLITE-LINKED DATA RECORDERS by Fedak, Michael A., Lovell, Phil, Grant, Susanna M.

“…Time‐depth recorders sample information about the three‐ dimensional behavior of diving animals over time and reduce this into just two dimensions, depth and…”
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Approaches to Studying Climatic Change and its Role on the Habitat Selection of Antarctic Pinnipeds by Costa, Daniel P., Huckstadt, Luis A., Crocker, Daniel E., McDonald, Birgitte I., Goebel, Michael E., Fedak, Michael A.

“…Top predators integrate resources over time and space, and depending on the particular species they represent, different components of the marine environment…”
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Spatial variation in maximum dive depth in gray seals in relation to foraging by Photopoulou, Theoni, Fedak, Michael A., Thomas, Len, Matthiopoulos, Jason

“…Habitat preference maps are a way of representing animals' space use in two dimensions. For marine animals, the third dimension is an important aspect of…”
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Ringed seal post-moulting movement tactics and habitat selection by Freitas, Carla, Kovacs, Kit M, Ims, Rolf A, Fedak, Michael A, Lydersen, Christian

“…Intra-specific and intra-population variation in movement tactics have been observed in many species, sometimes in association with alternative foraging…”
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The generalized data management and collection protocol for Conductivity-Temperature-Depth Satellite Relay Data Loggers by Photopoulou, Theoni, Fedak, Michael A., Matthiopoulos, Jason, McConnell, Bernie, Lovell, Phil

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ASSESSMENT OF ARGOS LOCATION ACCURACY FROM SATELLITE TAGS DEPLOYED ON CAPTIVE GRAY SEALS by Vincent, Cécile, Mcconnell, Bernie J., Ridoux, Vincent, Fedak, Michael A.

“…The Argos satellite system is commonly used to track and relay behavioral data from marine mammals, but their underwater habit results in a high proportion of…”
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Metabolic rates of captive grey seals during voluntary diving by Sparling, Carol E, Fedak, Michael A

“…The energetic cost of diving in marine mammals is a difficult value to derive given the problems of assessing metabolic rate for an animal at sea…”
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Seasonal variation in the metabolic rate and body composition of female grey seals: fat conservation prior to high-cost reproduction in a capital breeder? by Sparling, Carol E, Speakman, John R, Fedak, Michael A

“…Many animals rely on stored energy through periods of high energy demand or low energy availability or both. A variety of mechanisms may be employed to attain…”
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How fast does a seal swim? Variations in swimming behaviour under differing foraging conditions by Gallon, Susan L, Sparling, Carol E, Georges, Jean-Yves, Fedak, Michael A, Biuw, Martin, Thompson, Dave

“…The duration of breath-hold dives and the available time for foraging in submerged prey patches is ultimately constrained by oxygen balance. There is a close…”
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Salinity and temperature structure of a freezing Arctic fjord—monitored by white whales (Delphinapterus leucas) by Lydersen, Christian, Nøst, Ole Anders, Lovell, Phil, McConnell, Bernie J., Gammelsrød, Tor, Hunter, Colin, Fedak, Michael A., Kovacs, Kit M.

“…In this study we report results from satellite‐linked conductivity‐temperature‐depth (CTD) loggers that were deployed on wild, free‐ranging white whales to…”
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Winter habitat use and foraging behavior of crabeater seals along the Western Antarctic Peninsula by Burns, Jennifer M., Costa, Daniel P., Fedak, Michael A., Hindell, Mark A., Bradshaw, Corey J.A., Gales, Nicholas J., McDonald, Birgitte, Trumble, Stephen J., Crocker, Daniel E.

“…We quantified the winter and spring movement patterns and foraging behavior of adult crabeater seals ( Lobodon carcinophagus), and the influence of sea ice and…”
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Cardiac responses of grey seals during diving at sea by THOMPSON, D, FEDAK, M. A

“…Heart rate, swimming speed and diving depth data were collected from free-ranging grey seals, Halichoerus grypus, as they foraged and travelled in the sea…”
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Post-Breeding Distribution and Diving Behavior of Adult Male Southern Elephant Seals from Patagonia by Campagna, Claudio, Fedak, Michael A., McConnell, Bernie J.

“…Seven post-breeding adult male southern elephant seals, Mirounga leonina, were tracked using satellite-relay data loggers (SRDL) in 1994-1996. Two animals also…”
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Marine Mammals Exploring the Oceans Pole to Pole: A Review of the MEOP Consortium by Treasure, Anne M., Roquet, Fabien, Ansorge, Isabelle J., Bester, Marthán N., Boehme, Lars, Bornemann, Horst, Charrassin, Jean-Benoit, Chevallier, Damien, Costa, Daniel P., Fedak, Mike A., Guinet, Christophe, Hammill, Mike O., Harcourt, Robert G., Hindell, Mark A., Kovacs, Kit M., Lea, Mary-Anne, Lovell, Phil, Lowther, Andrew D., Lydersen, Christian, McIntyre, Trevor, McMahon, Clive R., Muelbert, Mônica M.C., Nicholls, Keith, Picard, Baptiste, Reverdin, Gilles, Trites, Andrew W., Williams, Guy D., de Bruyn, P.J. Nico

“…Polar oceans are poorly monitored despite the important role they play in regulating Earth’s climate system. Marine mammals equipped with biologging devices…”
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Estimates of the Southern Ocean general circulation improved by animal-borne instruments by Roquet, Fabien, Wunsch, Carl, Forget, Gael, Heimbach, Patrick, Guinet, Christophe, Reverdin, Gilles, Charrassin, Jean-Benoit, Bailleul, Frederic, Costa, Daniel P., Huckstadt, Luis A., Goetz, Kimberly T., Kovacs, Kit M., Lydersen, Christian, Biuw, Martin, Nøst, Ole A., Bornemann, Horst, Ploetz, Joachim, Bester, Marthan N., McIntyre, Trevor, Muelbert, Monica C., Hindell, Mark A., McMahon, Clive R., Williams, Guy, Harcourt, Robert, Field, Iain C., Chafik, Leon, Nicholls, Keith W., Boehme, Lars, Fedak, Mike A.

“…Over the last decade, several hundred seals have been equipped with conductivity‐temperature‐depth sensors in the Southern Ocean for both biological and…”
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