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Humpback Whale with Calf

The Cetacean Assessment and Ecology Program (CAEP) is responsible for conducting studies to assess the status of cetaceans in Alaskan waters under the Endangered Species Act and the Marine Mammal Protection Act.  Major  CAEP projects have included studies of North Pacific right whales, bowhead whales, gray whales, humpback whales, beluga whales, killer whales, Dall’s porpoise, and harbor porpoise.  Other species included in CAEP research are blue whales, fin whales, sei whales, minke whales, sperm whales, beaked whales (including Cuvier’s, Baird’s, and Stejneger’s), and Pacific white-sided dolphins.  Most research projects involve determination of abundance, trends, stock structure, habitat use, and feeding ecology using aerial and vessel surveys, shore-based counts, acoustic studies, radio and satellite tagging, genetic studies, photo-identification of individual animals, and opportunistic sighting data.  CAEP uses the results of these stock assessments to provide the scientific advice necessary to manage cetaceans in Alaskan waters.  CAEP scientists also collaborate widely with other national and international research groups working on cetaceans across the North Pacific and, sometimes, in other oceans.

Program Leader: Phillip Clapham

Recent Reports, Publications, and Posters

Quarterly Reports
Publications
  • MIZROCH, S. A., and D. W. RICE. 2013. Ocean nomads: Distribution and movements of sperm whales in the North Pacific shown by whaling data and discovery marks. Mar. Mamm. Sci. 29(2):E136-E165. 
     
  • GARLAND, E. C., M. J. NOAD, A. W. GOLDIZEN, M. S. LILLEY, M. L. REKDAHL, C. GARRIGUE, R. CONSTANTINE, N. D. HAUSER, M. M. POOLE, and J. ROBBINS. 2013. Quantifying humpback whale song sequences to understand the dynamics of song exchange at the ocean basin scale. J. Acoust. Soc. Am. 133:560-569. 
     
  • EZER, T., J. R. ASHFORD, C. M. JONES, B. A. MAHONEY, and R. C. HOBBS. 2013. Physical-biological interactions in a subarctic estuary: How do environmental and physical factors impact the movement and survival of beluga whales in Cook Inlet, Alaska? J. Mar. Syst. 111:120-129. 
     
  • WELLER, D. W., S. BETTRIDGE, R. L. BROWNELL, JR., J. L. LAAKE, J. E. MOORE, P. E. ROSEL, B. L. TAYLOR, and P. R. WADE. 2013. Report of the National Marine Fisheries Service Gray Whale Stock Identification Workshop. U.S. Dep. Commer., NOAA Tech. Memo. NMFS-SWFSC-507. (.pdf, 2.16 MB).  Online.
     
  • BURNS, D., L. BROOKS, P. CLAPHAM, and P. HARRISON. 2013. Between-year synchrony in migratory timing of individual humpback whales, Megaptera novaeangliae. Mar. Mammal Sci. 29(1):228-235. 
     
  • PUNT, A. E., and P. R. WADE. 2012. Population status of the eastern North Pacific stock of gray whales in 2009. J. Cetacean Res. Manage. 12:15-28. 
     
  • GARLAND, E. C., M. S. LILLEY, A. W. GOLDIZEN, M. L. REKDAHL, C. GARRIGUE, and M. J. NOAD. 2012. Improved versions of the Levenshtein distance method for comparing sequence information in animals' vocalisations: Tests using humpback whale song. Behaviour 149:1413-1441. 
     
  • LAAKE, J. L., A. E. PUNT, R. C. HOBBS, M. FERGUSON, D. RUGH, and J. BREIWICK. 2012. Gray whale southbound migration surveys 1967 – 2006: an integrated re-analysis. J. Cetacean Res. Manage. 12:287-306. 
     
  • RONE, B. K., C. L. BERCHOK, J. L. CRANCE, and P. J. CLAPHAM. 2012. Using air-deployed passive sonobuoys to detect and locate critically endangered North Pacific right whales. Mar. Mammal Sci. 28(4):E528-E538. 
     
  • ROLLAND, R. M., S. E. PARKS, K. E. HUNT, M. CASTELLOTE, P. J. CORKERON, D. P. NOWACEK, S. K. WASSER, and S. D. KRAUS. 2012. Evidence that ship noise increases stress in right whales. Proc. R. Soc. Lond. [Biol]. 279:2363-2368. 
     
  • KENNEDY, A. S., D. R. SALDEN, and P. J. CLAPHAM. 2012. First high- to low-latitude match of an eastern North Pacific right whale (Eubalaena japonica). Mar. Mammal Sci. 28(4):E539-E544. 
     
  • CONSTANTINE, R., J. A. JACKSON, D. STEEL, C. S. BAKER, L. BROOKS, D. BURNS, P. CLAPHAM, N. HAUSER, B. MADON, D. MATTILA, M. OREMUS, M. POOLE, J. ROBBINS, K. THOMPSON, and C. GARRIGUE. 2012. Abundance of humpback whales in Oceania using photo-identification and microsatellite genotyping. Mar. Ecol. Prog. Ser. 453:249-261. 
     
  • Additional recent Cetacean Assessment & Ecology Program publications


Posters
  • Spatio-Temporal Distribution of Fin Whales in the Bering Sea, 2007-2011
    By:  JESSICA L. THOMPSON, CATHERINE L. BERCHOK, SUE E. MOORE
    Conference:  Alaska Marine Science Symposium, Anchorage, AK, Jan 2013
    (2013 poster, .pdf, 2.17 MB)   Online.

     
  • Summer in the Western Beaufort Sea: Results from Aerial Surveys of Arctic Marine Mammals, July and August, 2012
    By:  MEGAN FERGUSON, JANET CLARKE, REBECCA SHEA, AMELIA BROWER, CYNTHIA CHRISTMAN
    Conference:  Alaska Marine Science Symposium, Anchorage, AK, Jan 2013
    (2013 poster, .pdf, 864 KB)   Online.

     
  • Aerial Sightings of Pacific Walruses (Odobenus rosmarus divergens) in the Alaskan Arctic, Summer and Fall 2012, with a Comparison to Sightings From 2009-2011
    By:  CYNTHIA L. CHRISTMAN, MEGAN C. FERGUSON, AMELIA A. BROWER, JANET T. CLARKE
    Conference:  Alaska Marine Science Symposium, Anchorage, AK, Jan 2013
    (2013 poster, .pdf, 2.18 MB)   Online.

     
  • Short- and Long-term Distribution of Marine Mammals in the Chukchi Sea
    By:  STEPHANIE L. GRASSIA, CATHERINE L. BERCHOK, JESSICA L. CRANCE, BRENDA K. RONE, AMY S. KENNEDY, PHILLIP J. CLAPHAM
    Conference:  Alaska Marine Science Symposium, Anchorage, AK, Jan 2013
    (2013 poster, .pdf, 1.86 MB)   Online.

     
  • Stereotyped, Repetitive Gunshot Call Patterns Produced by the North Pacific Right Whale, Eubalaena japonica
    By:  JESSICA L. CRANCE, CATHERINE L. BERCHOK
    Conference:  Alaska Marine Science Symposium, Anchorage, AK, Jan 2013
    (2013 poster, .pdf, 1.86 MB)   Online.

     
  • Cetaceans of BOWFEST: Distribution Off Barrow, Alaska 2007-2011
    By:  KIM E. W. SHELDEN, KIMBERLY T. GOETZ, DAVID J. RUGH, JULIE A. MOCKLIN, LINDA VATE BRATTSTRÖM, CHRISTY L. SIMS
    Conference:  Alaska Marine Science Symposium, Anchorage, AK, Jan 2013
    (2013 poster, .pdf, 4.42 MB)   Online.

     
  • Bowhead Whale Feeding Ecology Study (Bowfest) Five Years in Review
    By:  DAVID RUGH
    Conference:  Alaska Marine Science Symposium, Anchorage, AK, Jan 2013
    (2013 poster, .pdf, 2.41 MB)   Online.

     
  • Results from Five Years of Aerial Photographic Data from the Bowhead Whale Feeding Ecology Study (Bowfest)
    By:  JULIE A. MOCKLIN, LINDA VATE BRATTSTRÖM, DAVID J. RUGH, KIMBERLY T. GOETZ, KIM E. W. SHELDEN, CHRISTY L. SIMS
    Conference:  Alaska Marine Science Symposium, Anchorage, AK, Jan 2013
    (2013 poster, .pdf, 1.32 MB)   Online.

     
  • A Comparison of Altimeters Used in Aerial Photogrammetry
    By:  KIMBERLY GOETZ, DAVID RUGH, WILLIAM KOSKI, DON LEROI, WAYNE PERRYMAN
    Conference:  Alaska Marine Science Symposium, Anchorage, AK, Jan 2013
    (2013 poster, .pdf, 812 KB)   Online.

     
  • Spatio-temporal Distribution of Alaskan Beluga (Delphinapterus leucas) Populations Based on Acoustic Monitoring
    By:  ELLEN C. GARLAND, CATHERINE L. BERCHOK, MANUEL CASTELLOTE
    Conference:  Alaska Marine Science Symposium, Anchorage, AK, Jan 2013
    (2013 poster, .pdf, 11.9 MB)   Online.

     
  • Acoustic Monitoring of Belugas in Eagle River, Cook Inlet
    By:  M. CASTELLOTE, C. D. GARNER, R. J. SMALL, R. L. GRAHAM
    Conference:  Alaska Marine Science Symposium, Anchorage, AK, Jan 2013
    (2013 poster, .pdf, 9.26 MB)   Online.

     
  • First Description of Beluga Hearing in the Wild
    By:  M. CASTELLOTE, T. A. MOONEY, R. C. HOBBS, L. T. QUAKENBUSH, C. GOERTZ, E. GAGLIONE
    Conference:  Alaska Marine Science Symposium, Anchorage, AK, Jan 2013
    (2013 poster, .pdf, 8.81 MB)   Online.

     
  • Additional recent Cetacean Assessment & Ecology Program poster presentations



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