00000nam 2200000zi 4500 9.870717 CaOODSP 20241203113647 m o d f cr nn||||||||| 190328s1991 onc ob f000 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn--- En13-5/91-60E-PDF Day, Kristin E. (Kristin Elizabeth) author Assessment of the environmental hazards of pesticides to aquatic biota / K.E. Day. Burlington, Ontario : Rivers Research Branch, National Water Research Institute, [1991]. 1 online resource (31 pages) text txt rdacontent computer c rdamedia online resource cr rdacarrier NWRI contribution ; 91-60 "RRB 91-23." "A paper presented at "Agriculture and Water Quality", An Interdisciplinary Symposium, Guelph, Ontario, April 23-24, 1991." Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (pages 26-31). "This paper briefly reviews the information from these studies as they pertain to pesticides and outlines some of the advantages and disadvantages of their use in the evaluation of risk to surface waters"--Abstract. Includes executive summary and abstract in English and French. gccst Pesticides gccst Environmental impact gccst Aquatic ecosystems Canada. Environment Canada. National Water Research Institute (Canada). Rivers Research Branch. NWRI contribution ; 91-60. (CaOODSP)9.844121 PDF 3.68 MB https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-91-60-eng.pdf