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<br />. REFERENCE NUMBER: <br />CITATION: <br /> <br />010 <br /> <br />Pimentel, R. and R. V. Bulkley. 1983. Concentrations of total <br />dissolved solids preferred or avoided by endangered Colorado River <br />fishes. Transactions of the American Fisheries Society 112(5):595- <br />600. <br /> <br />SPECIES AND LIFE STAGE: <br /> <br />liB, IiB_JUV, BT, BT_JUV, CS, CS_JUV <br /> <br />TOPICS: <br /> <br />Water Quality, Research <br /> <br />KEYWORDS: <br /> <br />COLORADO SQUA WFISH, HUMPBACK CHUB, BONYTAD.., <br />TOTAL DISSOLVED SOLIDS <br /> <br />SUMMARY: Juvenile (age 0-1) Colorado squawfish, humpback chub and bonytail chub were subjected to <br />a gradient of total dissolved solid (IDS) to determine the concentrations they preferred and <br />avoided. <br /> <br />SPECIES <br /> <br />TOS (mg/l) Preferred <br /> <br />IDS (mg/l) Avoided <br /> <br />C. Squawtish <br />Humpback Ch. <br />Bonytail Ch. <br /> <br />560-1150 <br />1000-2500 <br />4100-4700 <br /> <br />4400 <br />5100 <br /><560 and >6600 <br /> <br />. <br /> <br />. <br /> <br />A-lO <br />