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Featured researches published by Phil Clapham.


Archive | 2010

Alaska marine mammal stock assessments, 2009

B. M. Allen; Robyn P. Angliss; Paul R. Wade; Michael A. Perez; Lowell W. Fritz; David J. Rugh; Marilyn E. Dahlheim; Janice M. Waite; Phil Clapham; Rolf R. Ream; Kim E. W. Shelden; Brian S. Fadely; Roderick C. Hobbs; Rodney G. Towell; Brenda K. Rone; G. R. Lewis; Sally A. Mizroch; Alexandre N. Zerbini

NOTE – March 2008: In areas outside of Alaska, studies have shown that stock structure is more fine-scale than is reflected in the Alaska Stock Assessment Reports. At this time, no data are available to reflect stock structure for harbor porpoise in Alaska. However, based on comparisons with other regions, smaller stocks are likely. Should new information on harbor porpoise stocks become available, the harbor porpoise Stock Assessment Reports will be updated.


Archive | 2007

Alaska marine mammal stock assessments, 2006

Robyn P. Angliss; R. B. Outlaw; Paul R. Wade; Michael A. Perez; Phil Clapham; Lowell W. Fritz; David J. Rugh; Kim E. W. Shelden; Roderick C. Hobbs; Rodney G. Towell; Sally A. Mizroch; Alexandre N. Zerbini

STOCK DEFINITION AND GEOGRAPHIC RANGE The humpback whale is distributed worldwide in all ocean basins. In winter, most humpback whales occur in the subtropical and tropical waters of the Northern and Southern Hemispheres. Humpback whales in the high latitudes of the North Pacific are seasonal migrants that feed on euphausiids and small schooling fishes (Nemoto 1957; 1959, Clapham and Mead 1999). The humpback whale population was considerably reduced as a result of intensive commercial exploitation during the 20 century. A large-scale study of humpback whales throughout the North Pacific was conducted in 2004-06 (the Structure of Populations, Levels of Abundance, and Status of Humpbacks, or SPLASH, project). Initial results from this project (Calambokidis et al. 2008), including abundance estimates and movement information, are used in this report. Genetic results, which may provide a more comprehensive understanding of humpback whale population structure in the North Pacific, should be available in the near future. Figure 38. Approximate distribution of humpback whales in the western North Pacific (shaded area). Feeding and wintering grounds are presented above (see text). Area within the hash lines is a probable distribution area based on sightings in the Beaufort Sea. See Figure 39 for humpback whale distribution in the eastern North Pacific.


Archive | 2016

Alaska marine mammal stock assessments, 2015

M. Muto; V. T. Helker; Robyn P. Angliss; Brian A. Allen; Peter L. Boveng; Jeffrey Mark Breiwick; Michael F. Cameron; Phil Clapham; Shawn Patrick Dahle; Marilyn E. Dahlheim; Brian S. Fadely; Megan C. Ferguson; Lowell W. Fritz; Roderick C. Hobbs; Yulia V. Ivashchenko; Amy S. Kennedy; Josh M. London; Sally A. Mizroch; Rolf R. Ream; E. L. Richmond; Kim E. W. Shelden; Rodney G. Towell; Paul R. Wade; Janice M. Waite; Alexandre N. Zerbini

NOTE – NMFS is in the process of reviewing humpback whale stock structure under the Marine Mammal Protection Act (MMPA) in light of the 14 Distinct Population Segments established under the Endangered Species Act (ESA) (81 FR 62259, 8 September 2016). A complete revision of the humpback whale stock assessments will be postponed until this review is complete. In the interim, new information on humpback whale mortality and serious injury is provided within this report.


Archive | 1998

The Usefulness of Parallel Analysis of Uni- and Bi-Parental Markers: The North Atlantic Humpback Whale

Per Palsboll; Phil Clapham; Hanne Jørgensen; Finn Larsen; David K. Mattila; Richard Sears; Jóhann Sigurjónsson; Oswaldo Vasquez

The majority of studies of the evolution and structure of animal populations are based upon analysis of either mitochondrial (mt) or nuclear DNA. Although each genome provides unique information, the combined results from parallel analyses of the two genomes can uncover additional facts that would otherwise have escaped detection.


Marine Mammal Science | 2005

FISHING GEAR INVOLVED IN ENTANGLEMENTS OF RIGHT AND HUMPBACK WHALES

Amanda Johnson; Glenn Salvador; John Kenney; Jooke Robbins; Scott D. Kraus; Scott Landry; Phil Clapham


Marine Ecology Progress Series | 2007

Population structure of South Pacific humpback whales and the origin of the eastern Polynesian breeding grounds

C. Olavarría; C. Scott Baker; Claire Garrigue; Michael Poole; Nan Hauser; Susana Caballero; Lilián Flórez-González; Muriel Brasseur; John Bannister; Juan Capella; Phil Clapham; Rémi Dodemont; Michael Donoghue; Curt Jenner; N. Jenner; D. Moro; Marc Oremus; Dave Paton; Howard C. Rosenbaum; Kirsty Russell


Journal of Zoology | 2006

Population spatial structuring on the feeding grounds in North Atlantic humpback whales (Megaptera novaeangliae)

Peter T. Stevick; Judith Allen; Phil Clapham; Steven K. Katona; Finn Larsen; Jon Lien; David K. Mattila; Per Palsboll; Richard Sears; Jóhann Sigurjónsson; Tim D. Smith; G.A. Vikingsson; Nils Øien; Philip S. Hammond


Marine Mammal Science | 2001

Why do baleen whales migrate? A response to Corkeron and Connor

Phil Clapham


Journal of Mammalogy | 2010

Movements of satellite-monitored humpback whales from New Caledonia

Claire Garrigue; Alexandre N. Zerbini; Ygor Geyer; Mads-Peter Heide-Jørgensen; Wakao Hanaoka; Phil Clapham


Marine Mammal Science | 2009

Movements of satellite-monitored humpback whales, Megaptera novaeangliae, from the Cook Islands

Nan Hauser; Alexandre N. Zerbini; Ygor Geyer; Mads-Peter Heide-Jørgensen; Phil Clapham

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Wally Franklin

Southern Cross University

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Alexandre N. Zerbini

National Oceanic and Atmospheric Administration

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Claire Garrigue

University of La Réunion

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Trish Franklin

Southern Cross University

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Daniel Burns

Southern Cross University

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Lyndon O Brooks

Southern Cross University

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Kim E. W. Shelden

National Marine Fisheries Service

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Lowell W. Fritz

National Marine Fisheries Service

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