Record Display for the EPA National Library Catalog


Main Title Pilot Program to Determine the Effect of Selected Nutrients (Dissolved Organics, Phosphorus, and Nitrogen) on Nuisance Algal Growth in American Falls Reservoir.
Author Ros, F. L. ; Minshal, G. W. ;
CORP Author Idaho Univ., Moscow. Water Resources Research Inst.
Year Published 1972
Report Number OWRR-A-039-IDA; 13300,; OWRR-A-039-IDA(1)
Stock Number PB-211 612
Additional Subjects ( Algae ; Limnology) ; ( Nutrients ; Algae) ; ( Water pollution ; Nutrients) ; ( Phytoplankton ; Limnology) ; Ecology ; Phosphorus ; Nitrogen ; Chlorophylls ; Dissolved organic matter ; Water quality ; Bags ; Eutrophication ; Dissolved solids ; Water pollution effects(Plants) ; Aphanizomenon
Library Call Number Additional Info Location Last
NTIS  PB-211 612 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 43p
A field investigation was conducted to determine the feasibility of using polyethylene tubes as in situ culture chambers in assessing the influence of selected nutrient factors on algal growth. The tubes contained added amounts of phosphorus or phosphorus and organic carbon (glucose) and were subsequently 'seeded' with naturally ocurring algal species. Periodic water samples taken from the tubes were analyzed for total and soluble phosphorus, total and soluble orthophosphorus, ammonium-N, nitrite-N, nitrate-N, particulate and dissolved organic carbon, total dissolved solids, chlorophyll a, and abundance of major phytoplankton species. Results were compared with those from ambient water. Growth of planktonic organisms, especially Aphanizomenon and Anabaena, reached levels 10 times more numerous in the experimental tubes than in the ambient water. Although modification of some parts of the technique are suggested the use of polyethylene tubes appears to be of considerable promise in future investigations. (Author)