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Report: Contaminants in Okanagan Fish: Recent Analyses and Review of Historic Data
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If you have any questions on the information presented, or require additional report data or attachments, please contact the Report Contact
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Contaminants such as metals (e.g., mercury), pesticides (e.g., DDT), and industrial chemicals
(e.g., PCBs) are found in small and sometimes large amounts throughout the environment.
When these contaminants enter aquatic ecosystems, many of them can accumulate to high
concentrations in the tissues of fish at the top of the food chain.
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Author: Okanagan Nation Alliance; Rowena Rae; Vic Jensen
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Date Published: Apr 2007
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Report ID: 11854
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Audience: Government and Public
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Okanagan Nation people have been catching and consuming resident fish in the Okanagan Valley lakes and rivers for millennia, and some continue to do so. Other people are concerned about the quality of fish, including contaminant levels. Fish are an excellent source of protein and omega-3 fatty acids, and people should be encouraged to eat them. However, concrete information needs to be provided about how much fish of which species people can safely eat so that they can benefit from including resident fish in their diet.
This report has three purposes:
1. To compile and analyse historical and current data on fish contaminant concentrations in the
Okanagan Nation traditional territory, focusing on resident fish species that people eat or are
likely to want to eat (rainbow trout, lake trout, kokanee, burbot, bass);
2. To review consumption advisory literature from North America;
3. To recommend a sampling protocol for determining if consumption advisories are needed.
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Report Type
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Fish and Aquatic Habitat Information |
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Subject
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Fish Species - Burbot - Lota lota |
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Fish Species - Kokanee - Oncorhynchus nerka |
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Fish Species - Lake Trout (Char) - Salvelinus namaycush |
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Fish Species - Lake (Common) Whitefish - Coregonus clupeaformis |
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Fish Species - Largemouth Bass - Micropterus salmoides |
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Fish Species - Mountain Whitefish - Prosopium williamsoni |
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Fish Species - Rainbow Trout - Oncorhynchus mykiss |
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Fish Species - Sockeye Salmon - Oncorhynchus nerka |
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Fish Species - Steelhead - Oncorhynchus mykiss |
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Region - Okanagan |
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Watershed Groups - 310 - Okanagan |
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Water Information - Water Quality |
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