00000nam 2200000zi 4500 9.875610 CaOODSP 20221107164512 m o d f cr |n||||||||| 190627t20192019onca ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn-nu Fs70-5/2019-028E-PDF Marcoux, Marianne, author. Estimate of the abundance of the Eclipse Sound narwhal (Monodon Monoceros) summer stock from the 2016 photographic aerial survey / Marianne Marcoux [and four others]. Ottawa ON : Fisheries and Oceans Canada, Canadian Science Advisory Secretariat, 2019. ©2019 1 online resource (iv, 16 pages) : illustrations (some colour) text txt rdacontent computer c rdamedia online resource cr rdacarrier Research document, 1919-5044 ; 2019/028 Issued also in French under title: Estimation de l’abondance du stock estival de narvals (Monodon Monoceros) dans le détroit d’Éclipse à partir d’un relevé photographique aérien effectué en 2016. Cover title. "June 2019." Issued by: Fisheries and Oceans Canada, Central and Arctic Region. Includes bibliographical references (pages 5-6). "The Eclipse Sound narwhal summer stock has been most recently surveyed by Fisheries and Oceans Canada in 2013, producing an estimated stock size of 10,500 (Doniol-Valcroze et al. 2015a, 2015b). This estimate was much lower than the previous estimate of 20,200 narwhals from the 2004 survey (Richard et al. 2010). A photographic aerial survey was flown in August 2016 to update the estimate of this summer stock"--Introduction, page 1. gccst Aquatic animals gccst Aquatic ecosystems gccst Aerial photography Canada. Department of Fisheries and Oceans. Central and Arctic Region. Canadian Science Advisory Secretariat. Estimation de l’abondance du stock estival de narvals (Monodon Monoceros) dans le détroit d’Éclipse à partir d’un relevé photographique aérien effectué en 2016 / (CaOODSP)9.875612 Research document (Canadian Science Advisory Secretariat) 1919-5044 ; 2019/028. (CaOODSP)9.507396 PDF 719 KB https://publications.gc.ca/collections/collection_2019/mpo-dfo/fs70-5/Fs70-5-2019-028-eng.pdf