Photo-identification catalogue and status of the northern resident killer whale population in 2019 / by Jared R. Towers, James F. Pilkington, Brian Gisborne, Brianna M. Wright, Graeme M. Ellis, John K....: Fs97-6/3371E-PDF

"Censuses of the northern resident killer whale population using photo-identification have been conducted annually since 1973. These studies are based on photographic recapture of permanent natural markings on every individual within the population. In this report, we summarize northern resident killer whale population trends over the time series of this study and provide a photo-identification catalogue of all individuals considered to be alive in 2019. This population has grown at a mean annual rate of 2.2% since 1973 and in 2019 contained a minimum of 310 individuals. Continued annual photo-identification censusing is a key strategy to accurately document the abundance, genealogy, sociality, demographics, and health of this threatened population"--Abstract.

Permanent link to this Catalogue record:
publications.gc.ca/pub?id=9.886260&sl=0

Publication information
Department/Agency Canada. Department of Fisheries and Oceans, issuing body.
Title Photo-identification catalogue and status of the northern resident killer whale population in 2019 / by Jared R. Towers, James F. Pilkington, Brian Gisborne, Brianna M. Wright, Graeme M. Ellis, John K. B. Ford, and Thomas Doniol-Valcroze.
Series title Canadian technical report of fisheries and aquatic sciences, 1488-5379 ; 3371
Publication type Series - View Master Record
Language [English]
Format Electronic
Electronic document
Note(s) The copy has been replaced on July 6, 2020 as requested by the issuing department.
Includes bibliographical references (pages 6-10).
Includes abstract in French.
Publishing information [Ottawa] : Fisheries and Oceans Canada, 2020.
©2020
Author / Contributor Towers, J. R.(Jared R.)author.
Description 1 online resource (iv, 69 pages) : charts, photographs.
ISBN 9780660347455
Catalogue number
  • Fs97-6/3371E-PDF
Subject terms Killer whale -- Photographic identification -- British Columbia -- Pacific Coast.
Killer whale -- Monitoring -- British Columbia -- Pacific Coast.
Whale populations -- British Columbia -- Pacific Coast.
Orque -- Photo-identification -- Colombie-Britannique -- Pacifique, Côte du.
Orque -- Surveillance -- Colombie-Britannique -- Pacifique, Côte du.
Baleines -- Populations -- Colombie-Britannique -- Pacifique, Côte du.
Request alternate formats
To request an alternate format of a publication, complete the Government of Canada Publications email form. Use the form’s “question or comment” field to specify the requested publication.
Date modified: