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Arctic Grayling (Wildlife at Risk) Lashmar, Murray
1111
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Abstract: Arctic Grayling within the drainage system of the Williston Reservoir have a restricted distribution above the W.A.C. Bennett Dam on the Peace River. Populations within the Williston Reservoir and its tributaries have been isolated from the remainder of the Peace system since at least 1963, when preparations to construct the dam commenced. In 1972, the reservoir achieved full pool. Both the reservoir and stream populations remained reasonably abundant and widespread until about 1982, when grayling in all small and medium-sized streams flowing directly into the reservoir rapidly disappeared. By 1988, only populations native to the largest river systems survived.
 
Lashmar, Murray, Ptolemy, Juanita. 1111. Arctic Grayling (Wildlife at Risk). Ministry of Water, Land and Air Protection. Species At Risk brochure
 
Topic: Species and Ecosystems at Risk
Keywords: species at risk, sara, williston reservoir, williston reservoir, population, endangered, threatened
ISSN:  Scientific Name: Thymallus arcticus
ISBN: 0-7726-7705-0 English Name: Arctic Grayling
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