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| 02846nam 2200421zi 4500 |
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| 001 | 9.886260 |
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| 003 | CaOODSP |
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| 005 | 20221107171352 |
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| 006 | m o d f |
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| 007 | cr ||||||||||| |
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| 008 | 200423t20202020oncda ob f10| 0 eng d |
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| 020 | |a9780660347455 |
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| 040 | |aCaOODSP|beng|erda|cCaOODSP |
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| 041 | |aeng|bfre |
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| 043 | |an-cn-bc |
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| 086 | 1 |aFs97-6/3371E-PDF |
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| 100 | 1 |aTowers, J. R.|q(Jared R.)|eauthor. |
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| 245 | 10|aPhoto-identification catalogue and status of the northern resident killer whale population in 2019 / |cby Jared R. Towers, James F. Pilkington, Brian Gisborne, Brianna M. Wright, Graeme M. Ellis, John K. B. Ford, and Thomas Doniol-Valcroze. |
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| 264 | 1|a[Ottawa] : |bFisheries and Oceans Canada, |c2020. |
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| 264 | 4|c©2020 |
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| 300 | |a1 online resource (iv, 69 pages) : |bcharts, photographs. |
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| 336 | |atext|btxt|2rdacontent |
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| 337 | |acomputer|bc|2rdamedia |
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| 338 | |aonline resource|bcr|2rdacarrier |
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| 490 | 1 |aCanadian technical report of fisheries and aquatic sciences, |x1488-5379 ; |v3371 |
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| 500 | |aThe copy has been replaced on July 6, 2020 as requested by the issuing department. |
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| 504 | |aIncludes bibliographical references (pages 6-10). |
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| 520 | |a"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. |
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| 546 | |aIncludes abstract in French. |
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| 650 | 0|aKiller whale|xPhotographic identification|zBritish Columbia|zPacific Coast. |
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| 650 | 0|aKiller whale|xMonitoring|zBritish Columbia|zPacific Coast. |
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| 650 | 0|aWhale populations|zBritish Columbia|zPacific Coast. |
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| 650 | 6|aOrque|xPhoto-identification|zColombie-Britannique|zPacifique, Côte du. |
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| 650 | 6|aOrque|xSurveillance|zColombie-Britannique|zPacifique, Côte du. |
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| 650 | 6|aBaleines|xPopulations|zColombie-Britannique|zPacifique, Côte du. |
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| 710 | 1 |aCanada. |bDepartment of Fisheries and Oceans, |eissuing body. |
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| 830 | #0|aCanadian technical report of fisheries and aquatic sciences,|x1488-5379 ;|v3371.|w(CaOODSP)9.504449 |
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| 856 | 40|qPDF|s56.44 MB|uhttps://publications.gc.ca/collections/collection_2020/mpo-dfo/Fs97-6-3371-eng.pdf |
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