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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
  • PARSONS, K. M., J. W. DURBAN, A. M. BURDIN, V. N. BURKANOV, R. L. PITMAN, J. BARLOW, L. G. BARRETT-LENNARD, R. G. LEDUC, K.M. ROBERTSON, C. O. MATKIN, and P. R. WADE. 2013. Geographic patterns of genetic differentiation among killer whales in the northern North Pacific. J. Heredity 104:737-754. 
     
  • GARLAND, E. C., J. GEDAMKE, M. L. REKDAHL, M. J. NOAD, C. GARRIGUE, and N. GALES. 2013. Humpback whale song on the southern ocean feeding grounds: Implications for cultural transmission. PLoS One 8(11):e79422. (.pdf, 4.62 MB).  Online.
     
  • CHRISTMAN, C. L., J. J. CITTA, L. T. QUAKENBUSH, J. T. CLARKE, B. K. RONE, R. A. SHEA, M. C. FERGUSON, and M. P. HEIDE-JØRGENSEN. 2013. Presence and behavior of bowhead whales (Balaena mysticetus) in the Alaskan Beaufort Sea in July 2011. Polar Biol. 36:1851–1856. 
     
  • SHELDEN, K. E. W., D. J. RUGH, K. T. GOETZ, C. L. SIMS, L. Vate BRATTSTROM, J. A. MOCKLIN, B. A. MAHONEY, B. K. SMITH, and R. C. HOBBS. 2013. Aerial surveys of beluga whales, Delphinapterus leucas, in Cook Inlet, Alaska, June 2005 to 2012. U.S. Dep. Commer., NOAA Tech. Memo. NMFS-AFSC-263, 122 p. (.pdf 4.67 MB).  Online.
     
  • FERGUSON, M. C., and J. T. CLARKE. 2013. Estimates of detection probability for BWASP bowhead whale, gray whale, and beluga sightings collected from Twin Otter and Aero Commander aircraft,1989 to 2007 and 2008 to 2011. U.S. Dep. Commer., NOAA Tech. Memo. NMFS-AFSC-261, 52 p. (.pdf, 906 KB).  Online.
     
  • BREIWICK, J. M. 2013. North Pacific marine mammal bycatch estimation methodology and results, 2007-2011. U. S. Dep. Commer., NOAA Tech. Memo. NMFS-AFSC-260, 40 p. (.pdf, 817 KB).  Online.
     
  • PETERSON, M. J., F. MUETER, D. HANSELMAN, C. LUNSFORD, C. MATKIN, and H. FEARNBACH. 2013. Killer whale (Orcinus orca) depredation effects on catch rates of six groundfish species: Implications for commercial longline fisheries in Alaska. ICES J. Mar. Sci. 70:1220-1232. 
     
  • MacINTYRE, K. Q., K. M. STAFFORD, C. L. BERCHOK, and P. L. BOVENG. 2013. Year-round acoustic detection of bearded seals (Erignathus barbatus) in the Beaufort Sea relative to changing environmental conditions, 2008-2010. Polar Biol. 36:1161-1173.  
     
  • FISH, F. E., K. T. GOETZ, D. J. RUGH, and L. Vate BRATTSTROM. 2013. Hydrodynamic patterns associated with echelon formation swimming by feeding bowhead whales (Balaena mysticetus). Mar. Mammal Sci. 29:E498-E507. 
     
  • DELARUE, J., B. MARTIN, D. HANNAY, and C. L. BERCHOK. 2013. Acoustic occurrence and affiliation of fin whales detected in the northeastern Chukchi Sea, July to October 2007-10. Arctic 66:159-172. 
     
  • CLARKE, J. T., C. L. CHRISTMAN, A. A. BROWER, and M. C. FERGUSON. 2013. Distribution and relative abundance of marine mammals in the northeastern Chukchi and Western Beaufort Seas, 2012. Annual Report, OCS Study BOEM 2013-00117. Natl. Mar. Mammal Lab., Alaska Fish. Sci. Cent., NMFS, NOAA, 7600 Sand Point Way NE, F/AKC3, Seattle, WA 98115-6349. 
     
  • BAUMGARTNER, M. F., N. S. J. LYSIAK, H. CARTER ESCH, A. N. ZERBINI, C. L. BERCHOK, and P. J. CLAPHAM. 2013. Associations between North Pacific right whales and their zooplanktonic prey in the southeastern Bering Sea. Mar. Ecol. Prog. Ser. 490:267-284. 
     
  • 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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