Marine Mammal Ecology Lab

Presentations in Professional Conferences

Presentations authored or co-authored by lab members

(*WWU undergraduate student, **WWU graduate student)

Lewis, Z. K.**, Akmajian, A. M., Nelson, B., Scordino, J. J., Allyn, E. M., Lance, M. M., Schwarz, D. & Acevedo-Gutiérrez, A. 2023. Steller sea lion (Eumetopias jubatus) consumption of age-0 Chinook salmon (Oncorhynchus tshawytscha) along the northwest coast of Washington State. Salmon Recovery Conference (online). April.

McKeegan, K.**, Clayton, K.* & Acevedo-Gutiérrez, A. 2022. The effect of Targeted Acoustic Startle Technology on the foraging success of individual harbor seals. North American Congress for Conservation Biology, Reno, USA. July.

Lewis, Z. K.**, Akmajian, A. M., Schwarz, D. & Acevedo-Gutiérrez, A. 2022. Diet profile of coastal Washington Steller sea lion (Eumetopias jubatus) stocks: Investigating predation impacts on the iconic Chinook salmon (Oncorhynchus tshawytscha). North American Congress for Conservation Biology, Reno, USA. July.

Lewis, Z. K.**, Akmajian, A. M., Schwarz, D. & Acevedo-Gutiérrez, A. 2022. Novel diet profile of coastal Washington Steller sea lion (Eumetopias jubatus) stocks: Investigating predation impacts on Chinook salmon (Oncorhynchus tshawytscha). Virtual Salish Sea Ecosystem Conference. (online) April.

McKeegan, K.**, Clayton, K.* & Acevedo-Gutiérrez, A. 2022. The effect of Targeted Acoustic Startle Technology on the foraging success of individual harbor seals (Phoca vitulina). Virtual Salish Sea Ecosystem Conference. (online) April.

Buzzell, B.**, Acevedo-Gutiérrez, A. & Akmajian, A. M. 2022. Exploring biotic resistance of an invasive species via river otter diet: Is European green crab a preferred fare? Virtual Salish Sea Ecosystem Conference. (online) April.

McKeegan, K.**, Clayton, K.* & Acevedo-Gutiérrez, A. 2022. The effect of Targeted Acoustic Startle Technology on the foraging success of individual harbor seals. Whatcom Marine Research Symposium. (online) February.

Acevedo-Gutiérrez, A., Spitzer, S.*, Thomas, A. C., Kohnert, C.** & Schwarz, D. 2017. Molecular techniques reveal that male harbor seals have a larger negative impact on salmonids than females. 22nd Biennial Conference on the Biology of Marine Mammals, Halifax, Canada. October.

Wachtendonk, R.*, Matthews, E.*& Acevedo-Gutiérrez, A. 2017. Are there rogue harbor seals in Whatcom Creek? The potential impact of harbor seals on a local salmon hatchery. 22nd Biennial Conference on the Biology of Marine Mammals, Halifax, Canada. October.

Fernández-Martín, Yolanda Schramm, E. M., Heckel, G., Acevedo-Gutiérrez, A., García-Aguilar, M. C., Torres de la Riva, G. & Trujillo-Ortiz, A. 2016. Fenología de los nacimientos de la foca de puerto, Phoca vitulina richardii, en México.XXXV Reunión Internacional para el Estudio de los Mamíferos Marinos, La Paz, Mexico. May.

Nikolich, K. A.**, Frouin-Mouy, H. & Acevedo-Gutiérrez, A. 2015. The temporal patterns of breeding calls of harbour seals in Georgia Strait, Canada. 21st Biennial Conference on the Biology of Marine Mammals, San Francisco, USA. December.

D'Agnese, E.**, Lambourn, D., Huber, H., Jeffries, S. J. & Acevedo-Gutiérrez, A. 2015. The effects of maternal traits on rearing success in Pacific harbor seals (Phoca vitulina richardsii). 21st Biennial Conference on the Biology of Marine Mammals, San Francisco, USA. December.

Nikolich, K. A.**, Frouin-Mouy, H. & Acevedo-Gutiérrez, A. 2015. The temporal patterns of the breeding calls of harbour seals in Georgia Strait, Canada. 52nd Annual Conference of the Animal Behavior Society, Anchorage, USA. June.

Rothstein, A. P.**, Thomas, A., Keates, T.*, Kohnert, C.*, Majewski, S., Acevedo-Gutiérrez, A. & Schwarz, D. 2014. A non-invasive method for genetic re-sampling of harbor seals (Phoca vitulina) as a model for marine mammals research. 2nd North America Congress for Conservation Biology, Missoula, USA. July.

Bromaghin, J. F., Lance, M. M., Elliot, E. W., Jeffries, S. J., Kennish, J. M. & Acevedo-Gutiérrez, A. 2012. Estimating mean predator diet composition using fatty acid data. Alaska Marine Science Symposium, Anchorage, USA. January.

Douglas, A. B., Alpízar, F. G., Acevedo-Gutiérrez, A., Mahaffy, S. D., Baird, R. W. & Calambokidis, J. 2011. False killer whales show fidelity to Costa Rican waters. 19th Biennial Conference on the Biology of Marine Mammals, Tampa, USA. November.

Bromaghin, J. F., Lance, M. M., Elliot, E. W., Jeffries, S. J., Kennish, J. M. & Acevedo-Gutiérrez, A. 2011. Estimating mean predator diet composition using fatty acid signature data. 18th Wildife Conference of the Wildlife Society, Waikoloa, USA. November.

Lance, M. M., Chang, W.-Y., Jeffries, S. J. & Acevedo-Gutiérrez, A. 2011. Seasonal and spatial variation in harbor seal (Phoca vitulina) diet in the San Juan Islands. Salish Sea Ecosystem Conference, Vancouver, Canada. October.

Thomas, A.**, Lance, M. M., Jeffries, S. J. Miner, B. & Acevedo-Gutiérrez, A. 2011. Harbor seal foraging response to seasonal resource pulse, spawning Pacific herring. Salish Sea Ecosystem Conference, Vancouver, Canada. October.  Best Student Presentation.

Lance, M. M., Jeffries, S. J., Chang, W.-Y., Elliot, E. W, Bromaghin, J. F., Kennish, J. M. & Acevedo-Gutiérrez, A. 2011. Seal and sea lion predation on rockfish in Puget Sound. Rockfish Recovery in the Salish Sea: Research and Management Priorities Workshop, NOAA, Seattle, USA. June.

Ward, E. J., Levin, P. & Acevedo, A. 2010. Utilizing hierarchical models of individual movement to construct maps of spatial predation risk. 95th Ecological Society of America Annual Meeting, Pittsburgh, USA. August.

Acevedo-Gutiérrez, A., Acevedo, L. & Boren, L. 2010. Managing interactions between tourists and marine mammals: an example with New Zealand fur seals. New Zealand Marine Sciences Society Conference, Wellington, NZ. July.

Thomas, A.**, Lance, M. M., Jeffries, S. J., & Acevedo-Gutiérrez, A. 2010. Selective foraging by harbor seals (Phoca vitulina): the importance of herring spawning and holding aggregations. Ocean Sciences Meeting, Portland, USA. February.

Howard, S.**, Lance, M. M., Jeffries, S. J. & Acevedo-Gutiérrez, A. 2009. Using seasonal variation in individual energetic requirements to simulate energy use in a population of harbor seals (Phoca vitulina). 18th Biennial Conference on the Biology of Marine Mammals, Quebec, Canada. October.

McFarland, S. A.**, Lance, M. M., Jeffries, S. J., London, J. M. & Acevedo-Gutiérrez, A. 2009. Influence of sex and body mass on harbor seal (Phoca vitulina) diving behavior. 18th Biennial Conference on the Biology of Marine Mammals, Quebec, Canada. October.

Thomas, A.**, Lance, M. M., Jeffries, S. J., & Acevedo-Gutiérrez, A. 2009. Selective foraging by harbor seals (Phoca vitulina): the importance of herring spawning and holding aggregations. 18th Biennial Conference on the Biology of Marine Mammals, Quebec, Canada. October.

Peterson, S.**, Lance, M. M., Jeffries, S. J., Olesiuk, P. F. & Acevedo-Gutiérrez, A. 2009. Movements and home ranges of harbor seals (Phoca vitulina) in the inland waters of the Pacific Northwest. 18th Biennial Conference on the Biology of Marine Mammals, Quebec, Canada. October.

Reuland, K.**, Thomas, A.**, Peterson, S.**, Lance, M, Jeffries, S. & Acevedo-Gutiérrez, A. 2009. Size of harbor seal foraging regions relative to haul-out site, season, and home range in the Pacific NW. 18th Biennial Conference on the Biology of Marine Mammals, Quebec, Canada. October.

Peterson, M.**, Hardee, S.**, Linneman, S. & Acevedo-Gutiérrez, A. 2008. Integrating novel approaches to classroom structure with local ocean-science models. Ocean Sciences Meeting, Orlando, USA. March.

Hardee, S.**, Reuland, K.**, Lance, M, Jeffries, S., Olesiuk, P. & Acevedo-Gutiérrez, A. 2008. Harbor seal movements and hot-spots in the Georgia Basin revealed through the use of satellite-telemetry. Ocean Sciences Meeting, Orlando, USA. March. Outstanding Student Award.

Reuland, K.**, Hardee, S.**, Lance, M, Jeffries, S. & Acevedo-Gutiérrez, A. 2008. Habitat characteristics of harbor seal (Phoca vitulina) foraging locations in the Georgia Basin. Ocean Sciences Meeting, Orlando, USA. March.

Myhre, S.* & Acevedo-Gutiérrez, A. 2008. Effects of recovering populations of the sea urchin Diadema antillarum on coral recovery and benthic community structure, Caribbean Costa Rica. Ocean Sciences Meeting, Honolulu, USA.

Acevedo-Gutiérrez, A. & Matthews, A.* 2005. Association patterns of bottlenose dolphins in Costa Rica: constant companions and casual acquaintances.16th Biennial Conference on the Biology of Marine Mammals, San Diego, USA.

Banks, A.** & Acevedo-Gutiérrez, A. 2005. Aggregative response of harbor seals to prey density at small spatial scales within a candidate marine reserve. 16th Biennial Conference on the Biology of Marine Mammals, San Diego, USA.

Johnson, A.* & Acevedo-Gutiérrez, A. 2005. Marine regulation compliance and harbor seal disturbance at Yellow Island, Washington. 16th Biennial Conference on the Biology of Marine Mammals, San Diego, USA.

Urbán, J., Mate, B., Jaume, S., Díaz, C., Tershy, B., Acevedo-Gutiérrez, A., & Croll, D. 2005. Determination and characterization of fin whale habitat in the Gulf of California. 16th Biennial Conference on the Biology of Marine Mammals, San Diego, USA.

Harwood, A., Moulds, L., Greer-Courier, D., Acevedo-Gutiérrez, A., Tyran, K., Pappas, J. & McLeod, M. 2005. Bridging the gap between theory and practice: programs to build faculty finesse. Western Region Campus Compact Consortium's Eighth Annual 'Continuums of Service' Conference. Portland, USA.

Acevedo-Gutiérrez, A., Croll, D., Tershy, B., Newton, K. & Urbán-Ramírez, J. 2003. Foraging dives of fin whales: are they time- or energy-maximizers? 15th Biennial Conference on the Biology of Marine Mammals, Greensboro, USA.

Urbán, J., Mate, B., Bérubé, M., Acevedo, A., Jaume, S., Tershy, B. & Croll, D. 2002. Fin whales in the Gulf of California: a resident and isolated population. IV Congress of the Latin-American Society of Specialists in Aquatic Mammals, Valdivia, Chile.

Pre-Western Alejandro's Presentations

Urbán, J., Mate, B., Bérubé, M., Acevedo, A., Jaume, S., Tershy, B. & Croll, D. 2002. Fin whales in the Gulf of California: a resident and isolated population. XXVII International Meeting on Marine Mammals, Veracruz, México. May.

Acevedo-Gutiérrez, A., Croll, D. A. & Tershy, B. R. 2001. Unique feeding mechanism limits dive time in the largest marine predators. 14th Biennial Conference on the Biology of Marine Mammals, Vancouver, Canada. November.

Urbán-Ramírez, J., Jaume, S., Tershy, B. R., Pettis, J., Findley, L., Gallo, J. P., Acevedo, A., Croll, D. A., Vidal, O., Demer, D. & Hewitt, R. 2001. Residency times and movement patterns of fin whales in the Gulf of California, Mexico. 14th Biennial Conference on the Biology of Marine Mammals, Vancouver, Canada. November.

Nester, A. E., Thomas, J. A. & Acevedo-Gutierrez, A. 2001. The underwater whistle repertoire of wild false killer whales (Pseudorca crassidens). The Journal of the Acoustical Society of America 109: 2390.

Clark, C. W., Croll D., Acevedo, A. & Urbán-Ramírez, J. 2000. Multi-modal surveys of fin whales in the Sea of Cortez, México. The Journal of the Acoustical Society of America 108: 2539.

Croll D., Acevedo-Gutiérrez, A., Tershy, B. & Urbán-R., J. 2000. The diving behavior of large whales: are dive times shorter than predicted? Physiological Symposium in honor of G. Kooyman, Scripps Institute of Oceanography, San Diego, USA. April.

Acevedo-Gutiérrez, A., Parker, N. & Stienessen S. C. 1999. Group feeding in bottlenose dolphins as a defense of food resources against silky sharks. 13th Biennial Conference on the Biology of Marine Mammals, Kahului, USA. December.

Clark, C., Croll, D., Tershy, B., Acevedo, A., Gedamke, J. & Urbán-Ramírez, J. 1999. Relationship between fin whale vocal activity, distribution, abundance, and prey distribution in the Sea of Cortez, México. 13th Biennial Conference on the Biology of Marine Mammals, Kahului, USA. December.

Acevedo-Gutiérrez, A. & Yin, S. 1999. Interactions between bottlenose dolphins and sea turtles in Golfo Dulce, Costa Rica. 19th International Sea Turtle Symposium, Padre Island, USA. March.

Acevedo-Gutiérrez, A. & Donlan, J. 1998. Feeding group size in bottlenose dolphins (Tursiops truncatus) at Isla del Coco: communal foraging or resource defense. International Conference on Foraging Behavior, University of California at Santa Cruz, USA. July.

Beauplet, G. & Acevedo-Gutiérrez, A. 1998. Seasonal abundance, distribution, and habitat use of offshore bottlenose dolphins at Isla del Coco, Costa Rica. World Marine Mammal Science Conference, Monaco. January.

Nester, A. E., Acevedo-Gutiérrez, A. & Thomas, J. A. 1998. Acoustic analysis of the underwater sound repertoire of wild and captive false killer whales (Pseudorca crassidens). World Marine Mammal Science Conference, Monaco. January.

Weller, D. W., Acevedo-Gutiérrez, A., Würsig, B., Elsberry, W., Fortenberry, H., Defran, R. H., Constantine, R., Müller, L., Schiro, A. & Blackwood, D. 1998. Geographical variation in dorsal fin shape characteristics of the bottlenose dolphin (Tursiops truncatus). World Marine Mammal Science Conference, Monaco. January.

Acevedo-Gutiérrez, A. 1997. Feeding behavior of bottlenose dolphins. 34th Annual Meeting of the Animal Behavior Society, College Park, USA. June.

Acevedo-Gutiérrez, A. 1995. Mamíferos marinos de Golfo Dulce e Isla del Coco, Costa Rica. XX International Meeting on Marine Mammals, La Paz, México. April.

Acevedo-Gutiérrez, A. & Burkhart, S. 1995. Distributional shifts of bottlenose and spotted dolphins in a tropical embayment: habitat-sharing and inter-specific avoidance. XI Biennial Conference on the Biology of Marine Mammals, Orlando, USA. December.

Brennan, B. J., Acevedo-Gutiérrez, A., Rodriguez, P. & Thomas, M. 1995. Sightings of false killer whales (Pseudorca crassidens) around Isla del Coco, Costa Rica. XI Biennial Conference on the Biology of Marine Mammals, Orlando, USA. December.

Fertl, D., Acevedo-Gutiérrez, A. & Darby, F. 1995. Report of an attack by killer whales (Orcinus orca) on a carcharhinid shark, with a review of killer whale predation on elasmobranchs. XI Biennial Conference on the Biology of Marine Mammals, Orlando, USA. December.

Fertl, D., Acevedo-Gutiérrez, A., Würsig, B., Baird, R. W. & Keickhefer, T. 1995. Cooperative or non-cooperative feeding in delphinids. XX International Meeting on Marine Mammals, La Paz, México. April.

Bräger, S., Acevedo, A., Henningsen, T. & Würsig, B. 1993. Association patterns of bottlenose dolphins, Tursiops truncatus, in Galveston Bay, Texas. X Biennial Conference on the Biology of Marine Mammals, Galveston, USA. November.

Acevedo, A. & Würsig, B. 1991. Preliminary observations of bottlenose dolphins, Tursiops truncatus, around Isla del Coco, Costa Rica. XVI International Meeting on Marine Mammals, Nuevo Vallarta, México. April.

Acevedo-Gutiérrez, A. 1989. The habitat use of bottlenose dolphins, Tursiops truncatus, in the entrance to Ensenada de La Paz during the summer of 1987. VIII Biennial Conference on the Biology of Marine Mammals, Monterey, USA. December.

Acevedo, A. & Fleischer, L. 1988. The bottlenose dolphin, Tursiops truncatus, in Bahía de La Paz during the summer of 1987. XIII International Meeting on Marine Mammals, La Paz, México. April.

Acevedo, A. & Fleischer, L. 1987. The orca, Orcinus orca, in Mexico: preliminary results. XII International Meeting on Marine Mammals, La Paz, México. April.

Acevedo, A., Ballance, L., Croll, D., Guerrero, J. & Tershy, B. 1986. Radio-tagging of Balaenoptera  whales in the Gulf of California. XI International Meeting on Marine Mammals, Guaymas, México. April.