00000nam 2200000zi 4500 9.873328 CaOODSP 20241203113648 m o d f cr bn||||||||| 190521e198904##oncd ob f000 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn-ab En13-5/89-15E-PDF Prepas, E. E. (Ellie E.), 1947- author. The reduction of phosphorus, iron and chlorophyll a concentrations following CaCO3 and Ca(OH)2 additions to hypereutrophic Figure Eight Lake / E.E. Prepas [and six others]. Burlington, Ontario : Lakes Research Branch, National Water Research Institute, Canada Centre for Inland Waters, April 1989. 1 online resource (15, [6] pages) : charts. text txt rdacontent computer c rdamedia online resource cr rdacarrier NWRI contribution ; no. 89-15 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (pages 12-13). "The Lakes Research Branch and The University of Alberta have collaborated to rehabilitate eutrophic Figure Eight Lake, Alberta. The object of the research was to develop a cost effective replacement for copper sulphate use in lakes. Lime treatment of hardwater lakes to enhance water quality, costs approximately $1,500 a hectare. At this site, treatments are required every two years"--Management perspective. Includes management perspective and abstract in French. gccst Lakes gccst Water quality gccst Western provinces Canada. Environment Canada. National Water Research Institute (Canada). Lakes Research Branch. Canada Centre for Inland Waters. NWRI contribution ; no. 89-15. (CaOODSP)9.844121 PDF 1.78 MB https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-89-15-eng.pdf