00000nam 2200000za 4500 9.801408 CaOODSP 20241203113638 cr ||||||||||| 170208s2015 oncbdo ob f000 0 eng d 978-0-660-02603-9 CaOODSP eng n-cn-nk CW69-14/427-2015E-PDF Litvak, Matthew Kenneth, 1959- COSEWIC assessment and status report on the shortnose sturgeon, Acipenser brevirostrum, in Canada [electronic resource]. Shortnose sturgeon, Acipenser brevirostrum, in Canada COSEWIC status report on the shortnose sturgeon, Acipenser brevirostrum, in Canada Ottawa : Environment Canada, c2015. xii, 48 p. : col. ill., col. maps Issued also in French under title: Évaluation et rapport de situation du COSEPAC sur l’esturgeon à museau court, Acipenser brevirostrum, au Canada. Cover title. "Special concern, 2015." “COSEWIC acknowledges Dr. Matthew K. Litvak for writing the status report [...]. This status report was overseen and edited by Dr. Rick Taylor, Co-chair of the COSEWIC Freshwater Fishes Specialist Subcommittee”--Production note, p. [ii]. Includes bibliographical references (p. 32-39). “This large-bodied, slow-growing, late-maturing fish is found only in a single river estuary system in Canada where spawning fish aggregate in a single known location. Although there are no imminent threats toward the species, its limited distribution makes the species vulnerable to becoming Threatened if conditions thought to negatively impact it (variable flow patterns, pollution, bycatch in commercial fisheries, and poaching) are not managed effectively. Designated Special Concern in April 1980. Status re-examined and confirmed in May 2005 and in May 2015"--Assessment summary, p. iii. gccst Endangered species gccst Freshwater fish gccst Nature conservation Taylor, Eric Burke, 1958- Canada. Environment Canada. Committee on the Status of Endangered Wildlife in Canada. Canadian Wildlife Service. Évaluation et rapport de situation du COSEPAC sur l’esturgeon à museau court, Acipenser brevirostrum, au Canada (CaOODSP)9.801409 COSEWIC assessment and update status report on the shortnose sturgeon, Acipenser brevirostrum, in Canada (CaOODSP)9.559432 PDF 1.61 MB https://publications.gc.ca/collections/collection_2017/eccc/CW69-14-427-2015-eng.pdf