Mise à jour de l'état de la population d'épaulards résidents du nord (Orcinus orca) en 2021
- Language of the publication
- French
- Date
- 2022
- Type
- Report
- Author(s)
- Secrétariat canadien des avis scientifiques
- Canada. Ministère des pêches et des océans. Région du Pacifique
- Publisher
- Centre des avis scientifques (CAS), Région du Pacifque, Pêches et Océans Canada
Alternative title
Réponse des sciences : État de la population d’épaulards résidents du nord
Abstract
Northern Resident Killer Whales (NRKW) are currently designated as ‘Threatened’ in Canada under the Species at Risk Act, due to their small population size, low reproductive rate, and the existence of several anthropogenic threats that are likely to impede their on-going population recovery or cause future population declines (Fisheries and Oceans Canada 2018). Population censusing by photo-identifcation is a key research activity outlined in the Species at Risk Act Action Plan for Resident Killer Whales (Fisheries and Oceans Canada 2017) and has been conducted on the NRKW population each year since 1973, making it one of the longest-running, continuous time series of data for a cetacean population. This report presents updated population information for NRKW in 2021 and supplements existing publications, particularly between releases of NRKW photo-identifcation catalogues. Please cite this document according to the citation provided at the end of this report. The demographic data presented here are not intended to be analyzed for further studies without permission of DFO’s Cetacean Research Program. Please contact the corresponding author (Thomas Doniol-Valcroze) for data use requests relating to this report. This Science Response Report results from the Science Response Process of May 6, 2022 on the Report on the 2021 Northern Resident Killer Whale annual census.
Description
1 online resource (14 pages) : charts
Subject
- Nature and environment,
- Water
Pagination
14 pages
Identifiers
- Government document number
- Fs70-7/2022-027F-PDF
- ISBN
- 9780660442365
- ISSN
- 1919-3815
Report
Relation
- Is translation of:
- https://open-science.canada.ca/handle/123456789/768
Citation(s)
MPO. 2022. Mise à jour de l’état de la population d’épaulards résidents du nord (Orcinus orca) en 2021. Secr. can. des avis sci. du MPO. Rép. des Sci. 2022/027.