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We used photo-identification records to estimate annual survival of adult humpback whales (Megaptera novaeangliae) for the central North Pacific stock using models within the software application Program MARK. The analysis is based on 10,567 photographs of 2,400 individual whales taken from 1979 to 1996. The central North Pacific stock winters in Hawai'i and migrates to discrete feeding areas in Alaska for the summer and autumn. The Cormack-Jolly-Seber (CJS) estimate of annual survival based on annual sightings in Hawai'i was 0.963 (95% confidence interval [CI]: 0.944-0.978) and the Pradel estimate was 0.963 (95% CI: 0.944-0.976), with a population rate of increase of 1.10 (95% CI: 1.03-1.16). The best survival estimate for southeastern Alaska whales, based on Barker's model, was 0.957 (95% CI: 0.943-0.967). The best survival estimate for Prince William Sound whales, also based on Barker's model, was 0.984 (95% CI: 0.954-0.995). Whales from the central North Pacific stock mix in Hawai'i; therefore, the best apparent survival estimate for the entire stock is from the pooled Hawai'i data. However, this analysis also demonstrated that we could reduce heterogeneity with Barker's model and obtain more plausible estimates of survival for the whales in discrete feeding areas using semiannual sightings in Hawai'i as opportunistic resightings.

Titel:	Estimating the adult survival rate of central North Pacific humpback whales (Megaptera novaeangliae)
Autor/in / Beteiligte Person:	MIZROCH, S. A ; HERMAN, L. M ; STRALEY, J. M ; GLOCKNER-FERRARI, D. A ; JURASZ, C ; DARLING, J ; CERCHIO, S ; GABRIELE, C. M ; SALDEN, D. R ; VON ZIEGESAR, O
Link:	Full Text Finder (Volltext) View record from PASCAL Archive
Zeitschrift:	Journal of mammalogy, Jg. 85 (2004), Heft 5, S. 963-972
Veröffentlichung:	Provo, UT: Brigham Young University, Department of Zoology, 2004
Medientyp:	academicJournal
Umfang:	print, 1 p.1/4
ISSN:	0022-2372 (print)
Schlagwort:	Océan Pacifique Pacific Ocean Océano Pacífico Océan Pacifique Nord North Pacific Océano Pacífico Norte Ecology Ecologie Ethology Ethologie Zoology Zoologie Sciences biologiques et medicales Biological and medical sciences Sciences biologiques fondamentales et appliquees. Psychologie Fundamental and applied biological sciences. Psychology Ecologie animale, vegetale et microbienne Animal, plant and microbial ecology Ecologie animale et végétale Animal and plant ecology Démécologie Demecology Animaux Animals Vertebrata Mammalia Cetacea Dynamique population Population dynamics Dinámica población Stade développement Developmental stage Grado desarrollo Animal adulte Adult animal Animal adulto Animal marin Marine animal Animal marino Densité population Population density Densidad población Etude sur terrain Field study Estudio en campo Megaptera novaeangliae Milieu marin Marine environment Medio marino Reconnaissance interindividuelle Individual recognition Reconocimiento interindividual Survie Survival Sobrevivencia Subject Geographic: Océan Pacifique Pacific Ocean Océano Pacífico Océan Pacifique Nord North Pacific Océano Pacífico Norte
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: National Marine Mammal Laboratory, Alaska Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 7600 Sand Point Way NE, Seattle, WA 98115, United States ; Kewalo Basin Marine Mammal Laboratory, 1129 Ala Moana Boulevard, Honolulu, HI 96814, United States ; University of Alaska Southeast Sitka Campus, 1332 Seward Avenue, Sitka, AK 99835, United States ; Center for Whale Studies, 39 Woodvine Court, Covington, LA 70433-4724, United States ; SeaSearch, P.O. Box 700, Faro, Yukon Territory, Y0B 1K0, Canada ; West Coast Whale Research Foundation, P.O. Box 384, Tofino, British Columbia, V0R 2Z0, Canada ; Moss Landing Marine Labs, 8272 Moss Landing Road, Moss Landing CA 95039, United States ; Humpback Whale Monitoring Program, Glacier Bay National Park and Preserve, P.O. Box 140, Gustavus, AK 99826, United States ; Hawaii Whale Research Foundation, 52 Cheshire Drive, Maryville, IL 62062, United States ; Eye of the Whale, P.O. Box 15191, Fritz Creek, AK 99603, United States Rights: Copyright 2004 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Animal, vegetal and microbial ecology

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Estimating the adult survival rate of central North Pacific humpback whales (Megaptera novaeangliae)