Technical Report

 

State-wide fishery rehabilitation, Big Lava Lake segment Public Deposited

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https://ir.library.oregonstate.edu/concern/technical_reports/p5547s355

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  • Big Lava Lake in Deschutes County, Oregon, was chemically treated September 19, 1963, to eliminate a population of roach and white fish. An estimated kill in excess of 400,000 fish resulted from the application of 4,620 gallons of liquid rotenone (Pro-Noxfish) at a toxicity of 2.0 ppm. Live -boxed brook trout were used to determine toxicity duration. Twenty-five trout live-boxed in five sets on October 14 were all alive when the live boxes were removed October 25. Brook trout, totaling 254,573, were stocked in Big Lava October 29 and 30, and November 6, 1964.
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  • File scanned at 300 ppi (256 Grayscale) using Capture Perfect 3.0.82 on a Canon DR-9080C in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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  • description.provenance : Made available in DSpace on 2013-10-21T14:52:02Z (GMT). No. of bitstreams: 1 HabitatImprovementProject n. 5.pdf: 3707625 bytes, checksum: ab53fe9fdc858ca9a99ccb15029d079f (MD5) Previous issue date: 1964-03-01
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