01708nam 2200385 a 450 991069762880332120081020091659.0(CKB)5470000002390677(OCoLC)262829014(EXLCZ)99547000000239067720081020d1982 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierBiota and biological principles of the aquatic environment[electronic resource][Reston, Va.] :U.S. Dept. of the Interior, Geological Survey,1982.vi, A1-A49 pages DJVU, image fileBriefing papers on water qualityGeological Survey circular ;848-ATitle from .djvu (viewed on Oct. 2, 2008).Includes bibliographical references.Why biology in water-quality studies? / by Phillip E. Greeson -- Stream biology / by Keith V. Slack -- Phytoplankton / by George A. McCoy -- Periphyton / by George A. McCoy -- Drift organisms in streams / by Keith V. Slack -- Family Chironomidae (Diptera) / by Larry J. Tilley -- Influences of water temperature on aquatic biota / by Ray J. Hoffman and Robert C. Averett -- Stream channelization: effects on stream fauna / by Susan S. Hahn.Aquatic biologyWater quality biological assessmentAquatic biology.Water quality biological assessment.Geological Survey (U.S.)GPOGPOBOOK9910697628803321Biota and biological principles of the aquatic environment3138380UNINA