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 "description": "Polygons delineating the range extent within which Shortjaw Cisco may be found.This data is provided to NWT by the DFO Species at Risk program. Updated October 2022.Prior to 2022, the old shapefile included \"actual\" range (up to Great Slave Lake) and \"estimated range\" (up to Great Bear Lake). In October 2022, the range map was updated by GNWT ENR (Nick Wilson and Joanna Wilson) following information and advice from DFO (Peter Jarvis, Joshua Stacey, Abigail/Biggie Theano-Pudwill) to extend the range to include Great Bear Lake. This is based on work showing that shortjaw cisco, or a shortjaw-like form, has been found in Great Bear Lake. See technical report by Howland et al. (2013) \"Variation in morphology, life history and ecology of cisco in Great Bear Lake, Northwest Territories, Canada\". See also Leclaire, M. MSc. thesis 2016 \"Cisco (Coregonus spp) diversity in Great Bear Lake Northwest Territories, Canada\". The 2003 COSEWIC report also acknowledges this location and states that the species was collected in Great Bear Lake by in 2003 by Randy Eshenroder (Great Lakes Fishery Commission, Ann Arbor, MI, pers. comm.) and Kim Howland (Dept. Fish. Oceans Canada, Freshwater Inst., Winnipeg, Manitoba). Cisco taxonomy is very complex.Additional notes on past records, from old 2014 metadata:Shortjaw Cisco is present at least in Great Slave Lake (B011, B059). The NT distribution area was extended east to include the Tazin River (Harper and Nichols 1919 in B172) however, this riverine occurrence is unsound from the perspective of the species\u2019 biology and habitat preferences (see above). Early identifications such as this appear to represent mis-identifications based upon the uncertain and incomplete taxonomy of the day. Accordingly, although shown on the map, we consider this point as most likely representing a variant form of Cisco (C. artedi). Examination of museum specimen(s) if available and re-sampling of this area are both required. References from NWT Species Infobase: B011- Scott WB and Crossman EJ - 1979 - Freshwater Fishes of Canada ; Bryant Press Ltd, Canada. B059 - McPhail JD, and Lindsey CC - 1970 - Freshwater Fishes of Northwestern Canada and Alaska - Fisheries Research Board of Canada Bulletin ; No. 173; Queen's Printer for Canada, Ottawa, ON. B172- Sawatzky, C.D., Michalak, D. Reist, J.D. Carmichael, T.J., Mandrak, N.E., Heuring, L.G. - 2007 - Distributions of freshwater and anadromous fishes from the mainland Northwest Territories, Canada. ; Canadian Manuscript Report of Fisheries and Aquatic Sciences 2793.",
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 "copyrightText": "Contact: Martyn.Curtis@dfo-mpo.gc.ca, Species at Risk Prairies and Arctic Team Lead; Carolyn.Bakelaar@dfo-mpo.gc.ca, Regional GIS Coordinator, Fisheries and Oceans Canada. www.aquaticspeciesatrisk.ca",
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