02593oam 2200625 450 991071594230332120210415105122.0(CKB)5470000002516673(OCoLC)680108172(OCoLC)631645040(OCoLC)667898309(OCoLC)985367320(OCoLC)1114980089(OCoLC)995470000002516673(EXLCZ)99547000000251667320101107d1993 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierA review of possible causes of nutrient enrichment and decline of endangered sucker populations in Upper Klamath Lake, Oregon /by Gilbert C. Bortleson and Marvin O. FretwellPortland, Oregon :U.S. Geological Survey,1993.1 online resource (vii, 24 pages) illustrations, maps (1 color)Water-resources investigations report ;93-4087"Prepared in cooperation with the Klamath Tribe, Klamath County Farm Bureau, City of Klamath Falls, Klamath County Board of Commissioners, U.S. Bureau of Reclamation, U.S. Fish and Wildlife Service, Federal Energy Regulatory Commission."Includes bibliographical references (pages 22-24).CatostomidaeConservationOregonUpper Klamath LakeEutrophicationOregonUpper Klamath LakeLake ecologyOregonUpper Klamath LakeAgricultural industriesEnvironmental aspectsOregonUpper Klamath LakeAgricultural industriesEnvironmental aspectsfastEutrophicationfastLake ecologyfastOregonUpper Klamath LakefastCatostomidaeConservationEutrophicationLake ecologyAgricultural industriesEnvironmental aspectsAgricultural industriesEnvironmental aspects.Eutrophication.Lake ecology.Bortleson Gilbert Carl1940-1389815Fretwell M. O.Geological Survey (U.S.),Klamath Indian Tribe of Oregon.OCLCEOCLCEOCLCQOCLCFOCLCQOCLCOOCLCQCOPGPOBOOK9910715942303321A review of possible causes of nutrient enrichment and decline of endangered sucker populations in Upper Klamath Lake, Oregon3494837UNINA