ME001
Advances in the ecology, behavior, physiology, or conservation of marine top predators

Session ID#: 74850

Session Description:
Top predators are a vital part of the marine ecosystem, and as such, their ecology, behavior and physiology can influence important processes such as trophic interactions, carbon flow, and nutrient recycling. Virtually all top predators have a history of over-exploitation or they have special management status because of their sensitivity to marine industrial activities and other human uses (e.g., bycatch, shipping, resource exploration/extraction). Basic research on top predators often focuses on gaps in our understanding of their ecology, but unlike many other branches of biological oceanography, research can also be motivated directly by management and conservation needs. This session will focus on studies of the ecology, behavior, and physiology of marine top predators that either advance our scientific understanding or support the conservation of these important taxa. Because Ocean Sciences provides a unique forum for marine ecologists, marine biologists, and oceanographers to interact, we seek contributions from researchers studying a wide variety of taxa, including fish, squid, reptiles, seabirds, and marine mammals, from anywhere in the world’s oceans.
Index Terms:

4815 Ecosystems, structure, dynamics, and modeling [OCEANOGRAPHY: BIOLOGICAL]
4817 Food webs, structure, and dynamics [OCEANOGRAPHY: BIOLOGICAL]
4830 Higher trophic levels [OCEANOGRAPHY: BIOLOGICAL]

Primary Chair:  Mark Baumgartner, Woods Hole Oceanographic Institution, Biology Department, Woods Hole, MA, United States
Co-Chair:  Daniel M Palacios, Oregon State University, Marine Mammal Institute and Department of Fisheries and Wildlife, Newport, OR, United States
Primary Liaison:  Mark Baumgartner, Woods Hole Oceanographic Institution, Biology Department, Woods Hole, MA, United States
 
Mercury isotopes as tracers of ecology and metabolism in two sympatric shark species (634917)
Gaël LE Croizier, French National Research Institute for Sustainable Development (IRD), Toulouse, France, Anne Lorrain, Univ Brest, CNRS, IRD, Ifremer, LEMAR, Plouzané, France, Sébastien Jaquemet, Université de la Réunion, France, Gauthier Schaal, Laboratoire des Sciences de l'Environnement Marin (LEMAR), France, Lucien Besnard, Université de Bretagne Occidentale, France, Marina Renedo, Institut de Recherche pour le Développement, France, Jeroen Sonke, GET, Toulouse, France and David Point, Géosciences Environnement Toulouse (GET), UMR CNRS / IRD / Université Paul Sabatier, Toulouse, France
 
The effects of seasonal variation, El Niño-Southern Oscillation events, and climate change on the tuna-dolphin association in the eastern tropical Pacific Ocean (635949)
Caitlynn Birch, University of California San Diego, Environmental and Ocean Sciences, San Diego, CA, United States and Michael D Scott, Inter-American Tropical Tuna Commission (IATTC), San Diego, CA, United States
 
Intrapopulation Foraging Response of Zalophus californianus to Environmental Stress (637591)
Madison Davis, United States, Anthony Orr, NOAA, The National Marine Mammal Laboratory, United States, Rebecca L Lewison, San Diego State University, Biology, San Diego, CA, United States and Chun-Ta Lai, San Diego State University, San Diego, CA, United States
 
Quantifying, Identifying and Culturing Marine Blowhole Ciliates in Captive Beluga Whales (637709)
Joseph Wojtasik, Quinnipiac University, Wallingford, CT, United States, George B McManus, Univ Connecticut, Groton, CT, United States and Susan Smith, University of Connecticut, United States
 
When Carnivores Clash: Evidence of Competition and Prey-shifting by Brown Bears During a Period of Sea Otter Recovery (637913)
Daniel H. Monson1, Grant Hilderbrand2, Heather A Coletti3, Joy Erlenbach4, Brenda E Ballachey5, Benjamin Pister6, Buck Mangipane7, James L. Bodkin2 and Tom Smith8, (1)USGS Alaska Science Center, Anchorage, AK, United States, (2)USGS Alaska Science Center, Anchorage, United States, (3)National Park Service Fairbanks, Fairbanks, AK, United States, (4)Washington State University, Pullman, United States, (5)U.S. Geological Survey, AB, Canada, (6)National Park Service, Ocean Alaska Science and Learning Center, Seward, AK, United States, (7)National Park Service, Lake Clark National Park and Preserve, Port Alsworth, AK, United States, (8)Brigham Young University, Provo, United States
 
Temporal variations in blue whale call types in the northeast Pacific at diel, seasonal, and interannual time scales with tag-derived behavioral context (639068)
William Oestreich1, Danelle E Cline2, David Cade1, John Calambokidis3, James Fahlbusch1,3, John Joseph4, Tetyana Margolina4, Brandon Southall5, Jeremy A Goldbogen1 and John Phillip Ryan2, (1)Stanford University, Hopkins Marine Station, Department of Biology, Pacific Grove, CA, United States, (2)MBARI, Moss Landing, CA, United States, (3)Cascadia Research Collective, Olympia, WA, United States, (4)Naval Postgraduate School, Oceanography, Monterey, CA, United States, (5)Southall Environmental Associates, Inc., CA, United States
 
Morphology and abundance of Crabs ( Decapoda) in Opi Lake, Enugu State, Nigeria (639167)
Chika Bright Ikele, University of Nigeria, Nsukka, Nigeria and Atamah Chinedu, University of Nigeria, Zoology and Environmental Biology, Nsukka, Nigeria
 
Divergent trophic responses of sympatric penguin species to historic anthropogenic exploitation and recent climate change (639355)
Kelton McMahon1, Chantel Michelson2 and Michael J Polito2, (1)University of Rhode Island, Graduate School of Oceanography, Narragansett, RI, United States, (2)Louisiana State University, Department of Oceanography and Coastal Sciences, Baton Rouge, LA, United States
 
Finding the lost years of a nearly lost population: Revealing key demographic parameters of eastern Pacific hawksbill sea turtles (Eretmochelys imbricata) (639824)
Turner Tomaszewicz Cali1, Michael J Liles2,3 and Jeffrey A Seminoff1, (1)NOAA NMFS, Southwest Fisheries Science Center, La Jolla, CA, United States, (2)Asociación ProCosta, San Salvador, El Salvador, (3)Eastern Pacific Hawksbill Initiative (ICAPO), San Salvador, El Salvador
 
Elucidating climate, density, and oil spill effects on Kemp’s ridley sea turtle somatic growth rates (640039)
Matthew David Ramirez, Oregon State University, Fisheries and Wildlife, Corvallis, OR, United States, Larisa Avens, NOAA NMFS, Southeast Fisheries Science Center, Beaufort Laboratory, Beaufort, NC, United States, Lisa R. Goshe, NOAA NMFS, Southeast Fisheries Science Center, Beaufort Laboratory, United States, Melissa L. Snover, Population Ecology Services, American Samoa, Melissa Cook, NOAA Southeast Fisheries Science Center, Pascagoula, MS, United States, Heather Haas, NOAA NMFS, Northeast Fisheries Science Center, United States and Selina S Heppell, Oregon State University, Department of Fisheries and Wildlife, Corvallis, OR, United States
 
Checklist of Macroinvertebrates of Ebonyi River Southeastern, Nigeria (640399)
Elijah SUNDAY Okwuonu, Organization Not Listed, Nsukka, Nigeria and Gregory EJIKEME Odo, UNIVERSITY OF NIGERIA, DEPARTMENT OF ZOOLOGY AND ENVIRONMENTAL BIOLOGY, Nigeria
 
Mesoscale Dynamics of Blue and Fin Whales and Antarctic Krill off East Antarctica (640741)
Ana Sirovic, Texas A&M University Galveston, Galveston, TX, United States, Megan Wood, Texas A&M University Galveston, Galveston, United States, Joseph D Warren, Stony Brook University, Stony Brook, NY, United States, Kathleen Stafford, University of Washington, Seattle, WA, United States and Brian Miller, Australian Antarctic Division, Kingston, TAS, Australia
 
The Enigmatic Spawning Strategy of Bluefin Tuna (641404)
Øyvind Fiksen, University of Bergen, Department of Biosciences, Bergen, Norway and Patricia Reglero, Instituto Espan˜ol de Oceanografı´a, Centre Oceanogra`fic de les Balears, Moll de Ponent s/n, 07015 Palma de Mallorca, Spain, Spain
 
Demographic Seasonality of Sperm Whale Presence in the Central Gulf of Alaska and the Aleutian Islands (641960)
Natalie Posdaljian1, Alba Solsona Berga2,3, Kaitlin E Frasier1, Caroline Soderstjerna1, Simone Baumann-Pickering1 and John Hildebrand1, (1)University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, (2)Scripps Institution of Oceanography, La Jolla, United States, (3)University of California, San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States
 
The Patchy Distribution of Krill Within Temporally Transient Large Swarms Drives Collective Exploitation By Super Groups of Rorqual Whales (642508)
David Cade1,2, Mduduzi Seakamela3, Kenneth Findlay4, James Fahlbusch5, Shirel Kahane-Rapport6, William Oestreich1, John Phillip Ryan7, Elliott L. Hazen8, Ari S Friedlaender2, John Calambokidis5, Joseph D Warren9, Julie Fukunaga10, Steve Kirkman3, Deon Kotze3, Steven McCue3, Michael Meyer3, Christopher Wilke3 and Jeremy A Goldbogen11, (1)Stanford University, Hopkins Marine Station, Department of Biology, Pacific Grove, CA, United States, (2)University of California Santa Cruz, Institute of Marine Science, Santa Cruz, CA, United States, (3)South Africa Department of the Environment, South Africa, (4)Cape Peninsula University of Technology, South Africa, (5)Cascadia Research Collective, Olympia, WA, United States, (6)Hopkins Marine Station, Stanford University, United States, (7)MBARI, Moss Landing, CA, United States, (8)NOAA Southwest Fisheries Science Center, Environmental Research Division, Monterey, CA, United States, (9)Stony Brook University, Stony Brook, NY, United States, (10)Stanford University, United States, (11)Hopkins Marine Station/ Stanford University, Pacific Grove, CA, United States
 
Studying Lag Among Upwelling Metrics: Using Remotely Sensed Environmental Data to Predict Blue Whale Distribution in the South Taranaki Bight, New Zealand (642996)
Christina Garvey, United States, Leigh Torres, Oregon State University, Fisheries and Wildlife - Marine Mammal Institute, OR, United States and Dawn Barlow, Oregon State University, Fisheries and Wildlife, Corvallis, OR, United States
 
Potential Impact of Mid-Frequency Active Sonar on Whales from Passive Acoustic Monitoring Data (643637)
Alba Solsona Berga1, Jennifer S Trickey1, Ally Rice1, Ana Sirovic2, Marie A Roch3, Charles Paxton4, Cornelia S. Oedekoven4, Sean M. Wiggins5, John A. Hildebrand1, Len Thomas4 and Simone Baumann-Pickering1, (1)University of California, San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, (2)Texas A&M University at Galveston, Galveston, TX, United States, (3)San Diego State University, Department of Computer Science, San Diego, CA, United States, (4)University of St. Andrews, Centre for Research into Ecological and Environmental Modelling, St. Andrews, United Kingdom, (5)University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States
 
Scalloped hammerhead shark swimming performance and thermoregulation strategies during deep dives into cold water: evidence of a marine mammal-like dive reflex? (643888)
Mark Royer1, Carl Meyer1, Kelsey Maloney1, Edward Cardona2, Kate Whittingham3, Chloe’ Blandino1, Guilherme Silva4 and Kim Holland1, (1)University of Hawaiʻi at Mānoa, Hawaiʻi Institute of Marine Biology, Kāneʻohe, HI, United States, (2)Bangor University, School of Ocean Science, Anglesey, United Kingdom, (3)Whitman College, Walla Walla, WA, United States, (4)Federal University of São Paulo, São Paulo, Brazil
 
Stable isotope analysis of juvenile white sharks inside a nursery area reveal foraging in demersal-inshore habitats and trophic overlap with sympatric sharks (644830)
Emiliano Garcia Rodriguez1, Sharon Z Herzka2, Christopher G Lowe3 and Oscar Sosa-Nishizaki1, (1)CICESE, Biological Oceanography, Ensenada, BJ, Mexico, (2)Center for Scientific Research and Higher Education at Ensenada, Biological Oceanography, Ensenada, BJ, Mexico, (3)California State University Long Beach, Department of Biological Sciences, Long Beach, CA, United States
 
Space-time analyses and association with environmental factors of marine mammal stranding across biogeographic regions of the Philippines (644855)
Honey Leen Laggui, Lemnuel V. Aragones and Olivia C Cabrera, Institute of Environmental Science and Meteorology, University of the Philippines, Quezon City, Philippines
 
Pelagic Habitat Partitioning of Late-Larval and Juvenile Tunas in the Oceanic Gulf of Mexico (646419)
Nina Pruzinsky, Rosanna Milligan and Tracey Sutton, Nova Southeastern University, Dania Beach, FL, United States
 
Bringing Ecology, Behavior, and Physiology Together to Inform Conservation Efforts for a Declining Fur Seal Population (646714)
Elizabeth McHuron1, Noel Pelland2, Katie Luxa3, Kirstin Holsman4, Rolf Ream5, Tonya Zeppelin6 and Jeremy Sterling6, (1)University of Washington, Seattle, United States, (2)University of Washington, Seattle, WA, United States, (3)University of Washington, WA, United States, (4)National Oceanic and Atmospheric Administration, Alaska Fisheries Science Center, Seattle, WA, United States, (5)Alaska Fisheries Science Center, National Marine Mammal Laboratory, Seattle, WA, United States, (6)NOAA Alaska Fisheries Science Center, Marine Mammal Laboratory, Seattle, WA, United States
 
A BIRDSEYE VIEW: HOW CAN WE CAPTURE POTENTIAL SHARK NURSERY AREAS WITH UAV TECHNOLOGY? – SAN CRISTÓBAL, GALÁPAGOS (646901)
Lauren Goodman, University of North Carolina at Chapel Hill, Environment, Ecology & Energy Program, Chapel Hill, NC, United States and Alexander Hearn, Universidad San Francisco de Quito, Ecuador
 
Cetacean occurrence near the South Shetland Islands based on long-term passive acoustic monitoring (646935)
Jennifer S Trickey1, Ally Rice1, Alba Solsona Berga1, Anne Bartlett1, Simone Baumann-Pickering1, Ana Sirovic2, John Hildebrand1, Mariana L Melcon3, Vanesa Reyes3 and Miguel Iniguez3, (1)University of California, San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, (2)Texas A&M University at Galveston, Galveston, TX, United States, (3)Fundacion Cethus, Argentina
 
Mercury stable isotopes reveal sources of mercury and prey in large (≥5 year old) Pacific bluefin tuna from the western North Pacific Ocean (647278)
Xiaoshuai He1, Chun-Mao Tseng2 and John R Reinfelder1, (1)Rutgers University, Environmental Sciences, New Brunswick, NJ, United States, (2)Institute of Oceanography National Taiwan University, Taipei, Taiwan
 
Large baleen and small toothed whales face greatest energetic consequences from sonar disturbance (647757)
Max Frank Czapanskiy1, Matthew Savoca2, William Gough3, David Cade4, Paolo S Segre5, Jeremy A Goldbogen2 and Danuta M Wisniewska6, (1)Stanford Universtiy, Hopkins Marine Station, Pacific Grove, CA, United States, (2)Hopkins Marine Station/ Stanford University, Pacific Grove, CA, United States, (3)Hopkins Marine Station, Stanford University, Pacific Grove, CA, United States, (4)Stanford University, Hopkins Marine Station, Department of Biology, Pacific Grove, CA, United States, (5)Stanford University, Hopkins Marine Station, Pacific Grove, CA, United States, (6)CNRS, Chizé, France
 
Standardization of Pacific Bluefin Tuna Relative Abundance for the U.S. Recreational Fishery and Examination of Environmental Influences (648172)
Jordan DiNardo, Scripps Institution of Oceanography, Marine Biology, La Jolla, CA, United States and Brice Semmens, Scripps Institution of Oceanography, Marine Biology Research Division, La Jolla, CA, United States
 
Approaches for Identification of Delphinid Species in Passive Acoustic Data for Population Management Applications (648253)
Rebecca Cohen1, Amanda Leu1, Kaitlin E Frasier2, Melissa Soldevilla3 and John Hildebrand2, (1)University of California, San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, (2)University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, (3)NOAA Southeast Fisheries Science Center, FL, United States
 
Finding the Lost Years: Using Stable Isotopes to Identify Habitat Use Patterns of Post-Hatchling Hawksbill Turtles (Eretmochelys imbricata) in the Eastern Pacific (648491)
Toni Lohroff1, Turner Tomaszewicz Cali2, Michael J Liles3 and Jeffrey A Seminoff2, (1)University of Miami, Rosenstiel School of Marine and Atmospheric Science, Miami, FL, United States, (2)NOAA NMFS, Southwest Fisheries Science Center, La Jolla, CA, United States, (3)Asociación ProCosta, San Salvador, El Salvador
 
Dynamic fine-scale sea-icescape shapes adult emperor penguin foraging habitat in East Antarctica (648533)
Sara Labrousse1, Alexander D. Fraser2, Michael Sumner3, Takeshi Tamura4, David Pinaud5, Barbara Wienecke6, Roger Kirkwood6, Yan Ropert-Coudert5, Ryan Resinger5, Ian Jonsen7, Rick Porter-Smith8, Christophe Barbraud9, Charles André Bost10, Rubao Ji11 and Stephanie Jenouvrier1, (1)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (2)University of Tasmania, Institute of Marine and Antarctic Studies, Hobart, TAS, Australia, (3)Australian Antarctic Division, Channel Highway, Kingston, Tasmania 7050, Australia, TAS, Australia, (4)NIPR National Institute of Polar Research, Tachikawa, Tokyo, Japan, (5)Centre d’Etudes Biologiques de Chizé, France, (6)Australian Antarctic Division, Kingston, TAS, Australia, (7)Macquarie University, Biological Sciences, Sydney, NSW, Australia, (8)University of Tasmania, Hobart, TAS, Australia, (9)Centre d’Etudes Biologiques de Chizé (CEBC), UMR 7372 Université de la Rochelle-CNRS, Villiers-en-Bois, France, (10)Centre d’Etudes Biologiques de Chizé (CEBC), UMR 7372 Université de la Rochelle-CNRS, France, (11)Woods Hole Oceanographic Inst., Woods Hole, MA, United States
 
The effect of pile driving noise on mating behavior in squid (Doryteuthis pealeii) (648862)
Madison Schumm, The University of Texas at Austin, Austin, TX, United States, Ian Jones, Massachusetts Institute of Technology, Cambridge, MA, United States and T. Aran Mooney, Woods Hole Oceanographic Institution, Woods Hole, MA, United States
 
Migratory Shifts of Humpback Whales in Australia and Climate Change (649285)
Olaf Meynecke, Griffith University, Griffith Centre for Coastal Management, Gold Coast, QLD, Australia
 
Early Stages of Eastern Caribbean Cephalopods: Identification, Abundance, and Distribution (649477)
Alanna Mnich, University of Massachusetts Dartmouth, School for Marine Science and Technology, New Bedford, MA, United States, Trika Gerard, NOAA, NMFS, Miami, FL, United States and Estrella Malca, Cooperative Institute for Marine and Atmospheric Studies Miami, Miami, FL, United States
 
Trends in tuna carbon isotopes suggest global changes in pelagic phytoplankton communities (650330)
Anne Lorrain1, Heidi Pethybridge2, Nicolas Cassar3, Aurore Receveur4, Valérie Allain4, Nathalie Bodin5, Laurent Bopp6, Anela Choy7, Leanne Duffy8, B Fry9, Nicolas Goñi10, Brittany S Graham11, Alistair J Hobday12, John A Logan13, Frédéric Ménard14, Christophe Menkes15, Robert J. Olson16, Dan Pagendam17, David Point18, Andrew T Revill19, Christopher J Somes20 and Jock Young21, (1)Institute of Research for Development, Brest, France, (2)CSIRO Hobart, Hobart, TAS, Australia, (3)Duke University, Nicholas School of the Environment, Durham, NC, United States, (4)SPC, Nouméa, New Caledonia, (5)IRD, Seychelles, (6)LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette Cedex, France, (7)Scripps Institution of Oceanography UCSD, Oceanography, La Jolla, CA, United States, (8)IATTC, CA, United States, (9)Australian River Institute, QLD, Australia, (10)AZTI, Spain, (11)NIWA, New Zealand, (12)CSIRO Oceans and Atmosphere, Hobart, TAS, Australia, (13)Massachusetts Division of Marine Fisheries, MA, United States, (14)IRD, France, (15)IRD/LOCEAN, Nouméa, New Caledonia, (16)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (17)CSIRO, Data 61, Brisbane, QLD, Australia, (18)Géosciences Environnement Toulouse (GET), UMR CNRS / IRD / Université Paul Sabatier, Toulouse, France, (19)Commonwealth Scientific and Industrial Research Organisation (CSIRO), Hobart, TAS, TAS, Australia, (20)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (21)CSIRO, TAS, Australia
 
Stable mercury levels and trophic position in three tropical tuna species in the South-West Pacific Ocean over the past 18 years (650362)
Anaïs Médieu1, Aurore Receveur2, David Point3, Olivier Gauthier1, Valérie Allain2, Christophe Menkes4 and Anne Lorrain1, (1)Univ Brest, CNRS, IRD, Ifremer, LEMAR, Plouzané, France, (2)SPC, Nouméa, New Caledonia, (3)Géosciences Environnement Toulouse (GET), UMR CNRS / IRD / Université Paul Sabatier, Toulouse, France, (4)IRD/LOCEAN, Nouméa, New Caledonia
 
Rare, Deep-diving Cetaceans: Can Their Spatial Distributions be Modeled? (651666)
Paul C Fiedler1, Karin Forney2 and Elizabeth Becker2, (1)NOAA Southwest Fisheries Science Center, Marine Mammal and Turtle Division, La Jolla, CA, United States, (2)NOAA Southwest Fisheries Science Center, Marine Mammal and Turtle Division, Santa Cruz, CA, United States
 
Tooth Length and Occlusion in Four Species of Piscivorous Fishes: Getting a Grip on Prey (652214)
Emily Carr, University of South Florida Tampa, Tampa, United States
 
Facilitating the conservation and management of Hawaiian odontocetes using an echolocation click type ‘library’ (652542)
Morgan Ziegenhorn1, Kaitlin E Frasier1, Erin Oleson2, Jennifer L Keating2 and Simone Baumann-Pickering1, (1)University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, (2)NOAA, Pacific Islands Fisheries Science Center, Honolulu, HI, United States
 
Humpback and Minke Whales Increase the Intensity of Their Calls in Increased Background Noise From Natural Sources (652695)
Regina Guazzo1, Tyler Helble1, Cameron Martin1, Ian Durbach2, Gabriela Alongi3, Stephen Martin3 and E. Elizabeth Henderson1, (1)Naval Information Warfare Center Pacific, San Diego, CA, United States, (2)University of St Andrews, St Andrews, United Kingdom, (3)National Marine Mammal Foundation, San Diego, CA, United States
 
Foraging habitat associations of North Atlantic right whales (Eubalaena glacialis) measured using ocean gliders (652762)
Kimberley Teresa Ann Davies1,2, Hansen Johnson2,3, Delphine Durette-Morin2, Mark Baumgartner3, Richard F. Davis4, Adam Comeau5, Frederick Gilbert Whoriskey6 and Christopher T. Taggart2, (1)University of New Brunswick, Biological Sciences, Saint John, NB, Canada, (2)Dalhousie University, Oceanography Department, Halifax, NS, Canada, (3)Woods Hole Oceanographic Institution, Biology Department, Woods Hole, MA, United States, (4)Ocean Frontiers Institute, Halifax, NS, Canada, (5)Coastal Environmental, Observation, Technology and Research (CEOTR) group, Halifax, NS, Canada, (6)Ocean Tracking Network, Halifax, NS, Canada
 
Fine-scale Variability of Prey Provides Insights into the Decline of Southern Resident Killer Whales (653369)
Mei Sato1, Andrew W Trites1 and Stephane Gauthier2, (1)University of British Columbia, Institute for the Oceans and Fisheries, Vancouver, BC, Canada, (2)Fisheries and Oceans Canada, Institute for the Ocean Sciences, Sidney, BC, Canada
 
Baseline data from applied studies: advances in basic understanding of marine mammals (653601)
Brandon Southall, Southall Environmental Associates, Inc., CA, United States
 
Conflicting Physiological Challenges between Thermoregulation and Diving Energetics in Elephant Seals (653709)
Arina Favilla1, Markus M Horning2 and Daniel P Costa1, (1)University of California Santa Cruz, Santa Cruz, CA, United States, (2)Alaska SeaLife Center, Science, Seward, AK, United States
 
eSDM: A tool for creating and exploring ensembles of predictions from species distribution and abundance models (654461)
Samuel Woodman1, Karin Forney2, Elizabeth Becker2, Monica DeAngleis3, Elliott L. Hazen4, Daniel M Palacios5 and Jessica Redfern6, (1)NOAA Southwest Fisheries Science Center, contracted by Ocean Associates, Inc., La Jolla, United States, (2)NOAA Southwest Fisheries Science Center, Marine Mammal and Turtle Division, Santa Cruz, CA, United States, (3)Naval Undersea Warfare Center, Newport, RI, United States, (4)NOAA Southwest Fisheries Science Center, Environmental Research Division, Monterey, CA, United States, (5)Oregon State University, Marine Mammal Institute and Department of Fisheries and Wildlife, Newport, OR, United States, (6)NOAA NMFS Southwest Fisheries Science Center, La Jolla, CA, United States
 
Spatial comparison of bluefin tuna larval growth rates and their nitrogen isotopic signatures (654466)
Estrella Malca1,2, Jose Maria Quintanilla3, Raul Laiz-Carrion3, Amaya Uriarte3, Caroline Johnstone3, Trika Gerard4, John T Lamkin4 and Alberto Garcia3, (1)Nova Southeastern University, Physical Oceanography, Dania Beach, FL, United States, (2)Cooperative Institute for Marine and Atmospheric Studies Miami, Miami, FL, United States, (3)Instituto Español de Oceanografia, Spain, (4)NOAA, NMFS, Miami, FL, United States
 
Untargeted Metabolomic Serum Profiles of Three Captive Shark Species for the Generation of a Semi-Invasive Chondrichthyes Health Metric (654594)
Asha Goodman1, Michael P Doane2, Colton Johnson1, Brij S Soni3, Emma N Kerr1, Shaili Johri1, Maria Mora1, Melissa Torres4, Jennifer Moffatt5, Erica Forsberg3 and Elizabeth A Dinsdale6, (1)San Diego State University, Biology, San Diego, CA, United States, (2)Sydney Institute of Marine Science, Sydney, NSW, Australia, (3)San Diego State University, Chemistry, San Diego, CA, United States, (4)Birch Aquarium, La Jolla, CA, United States, (5)Birch Aquarium, La Jolla, United States, (6)San Diego State University, Ecology, San Diego, CA, United States
 
Effects of Sea Star Wasting Disease on Mussel Recruitment (655235)
Emily Chui, California State University Monterey Bay, School of Natural Sciences, Seaside, CA, United States, Fiorenza Micheli, Stanford University, Stanford, CA, United States and Alison J. Haupt, California State Monterey Bay, School of Natural Sciences, Seaside, CA, United States
 
Through the looking glass: Using epidermal microbiomes to peer into the health of Bristol Bay and Cook Inlet beluga whales (655474)
Amy Van Cise, Cascadia Research Collective, Olympia, WA, United States; Woods Hole Oceanographic Institution, Woods Hole, WA, United States, Paul R Wade, NOAA Fisheries, Alaska Fisheries Science Center, Seattle, WA, United States, Caroline EC Goertz, Alaska SeaLife Center, Seward, AK, United States, Kathy Burek-Huntington, Alaska Veterinary Pathology Service, Eagle River, AK, United States, Kim Parsons, NOAA Northwest Fisheries Science Center, Seattle, WA, United States, Rod Hobbs, NOAA Fisheries, Alaska Fisheries Science Center, retired, Seattle, WA, United States and Amy Apprill, Woods Hole Oceanographic Institution, Department of Marine Chemistry & Geochemistry, Woods Hole, MA, United States
 
Gain-Modulated Linear Network Reveals Tuna Diving Behavior at Many Scales (655683)
Gregory Weaver, United States and Barbara Block, Stanford University, Hopkins Marine Station, Pacific Grove, CA, United States
 
Oceanographic Influences on Tuna Dive Behaviors (656021)
Simon Dedman1, Michael Castleton1, Robert Schallert1, James Ganong2, Mike Stokesbury3 and Barbara Block1, (1)Stanford University, Hopkins Marine Station, Pacific Grove, CA, United States, (2)Stanford University, Hopkins Marine Station, United States, (3)Acadia University, Biology, NS, Canada
 
Non-linear and unstable stock-recruitment dynamics in a depleted top-predator population: the case of Western Baltic cod. (656132)
Xochitl Cormon, University of Hamburg, Institute for Marine Ecosystem and Fishery Science, Center for Earth System Research and Sustainability (CEN), Hamburg, Germany
 
Albacore Tuna Diet and Foraging Ecology in the Northern California Current (656402)
Catherine Nickels1, Barbara Muhling1,2, Owyn Snodgrass1,2 and Heidi Dewar1, (1)NOAA Southwest Fisheries Science Center, La Jolla, CA, United States, (2)University of California Santa Cruz, La Jolla, CA, United States
 
Discovering what Shark Species Inhabit the Waters of Puerto Rico. (656806)
Dalyan Lopez-Morales, University of Puerto Rico Rio Piedras Campus, Biology, San Juan, PR, United States, Raimundo Espinoza, Conservacion ConCiencia, PR, United States, Robert Hueter, Mote Marine Laboratory, United States and Alberto M Sabat, University of Puerto Rico Rio Piedras Campus, San Juan, PR, United States
 
Combining Accelerometers and Magnetometers to Better Estimate Energy Expenditure in Albatross Flight (656808)
Melinda Conners1, Rachael Orben2, Scott A Shaffer3 and Lesley H Thorne1, (1)Stony Brook University, School of Marine and Atmospheric Sciences, Stony Brook, NY, United States, (2)Oregon State University, Newport, OR, United States, (3)San Jose State University, Department of Biological Sciences, San Jose, CA, United States
 
Observations and simulations of interannual variability in the first migration of Bering Sea northern fur seal pups (657008)
Noel Pelland1, Jeremy Sterling2, Devin Johnson2 and Mary-Anne Lea3, (1)National Marine Mammal Laboratory, Seattle, WA, United States, (2)NOAA Alaska Fisheries Science Center, Marine Mammal Laboratory, Seattle, WA, United States, (3)University of Tasmania, Hobart, TAS, Australia
 
Early life ecology of the invasive lionfish (Pterois sp.) (657045)
Jason Mostowy1, Estrella Malca2, Leif K Rasmuson3, Trika Gerard4, Lourdes Vasquez-Yeomans5 and John T Lamkin4, (1)Texas A&M University at Galveston, Galveston, TX, United States, (2)Cooperative Institute for Marine and Atmospheric Studies Miami, Miami, FL, United States, (3)Oregon Department of Fish and Wildlife, Newport, OR, United States, (4)NOAA, NMFS, Miami, FL, United States, (5)El Colegio de la Frontera Sur, Chetumal, QR, Mexico
 
The Biomechanics of Climbing in Grapsid Crabs (657114)
El Nyazia Sajdah-Bey, University of Pennsylvania, Earth and Environmental Science, Philadelphia, PA, United States and Jennifer RA Taylor, Scripps Institution of Oceanography, UCSD, United States
 
Northern fur seals and fish predators feeding on pollock in the eastern Bering Sea: a look at summer prey availability and spatial overlap over 35 years (657220)
Ivonne Ortiz, University of Washington, JISAO, Seattle, WA, United States, Elizabeth McHuron, University of Washington, Seattle, United States and Jeremy Sterling, NOAA Alaska Fisheries Science Center, Marine Mammal Laboratory, Seattle, WA, United States
 
Feeding ecology and nitrogen sources of developing Atlantic Bluefin Tuna (Thunnus thynnus) larvae in the Gulf of Mexico (657509)
Rasmus Swalethorp1, Estrella Malca2, Aki Shiroza3, Trika Gerard4, John Lamkin4 and Michael R Landry5, (1)Scripps Institution of Oceanography, UC San Diego, San Diego, CA, United States, (2)Cooperative Institute for Marine and Atmospheric Studies Miami, Miami, FL, United States, (3)CIMAS-RSMAS, University of Miami, Miami, FL, United States, (4)NOAA, NMFS, Miami, FL, United States, (5)Scripps Inst Oceanography, La Jolla, CA, United States
 
Temporal foraging patterns of a top predator in the California Current Ecosystem revealed by stable isotope analysis (657986)
Stephanie E. Nehasil1, Anthony Orr2 and Carolyn M. Kurle1, (1)University of California San Diego, Ecology, Behavior, and Evolution, La Jolla, CA, United States, (2)NOAA, The National Marine Mammal Laboratory, United States
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