00000nam 2200000za 4500 9.846310 CaOODSP 20241203113640 cr ||||||||||| 171030s1998 onca|||#ob f000 0 eng d CaOODSP eng eng fre n-cn--- En13-5/98-050E-PDF Aquatic Ecosystem Protection Branch current research, 1997/98 [electronic resource]. Burlington, Ont. : National Water Research Institute, [1998]. 108 p. NWRI contribution ; 98-050 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "This report presents an overview of the research carried out in 1997-98 by the Aquatic Ecosystem Protection Branch of the National Water Research Institute"---Management perspective. Abstract in English and French. gccst Aquatic ecosystems gccst Water quality gccst Research Canada. Environment Canada. National Water Research Institute (Canada). Aquatic Ecosystem Protection Branch. NWRI contribution ; no. 98-050 (CaOODSP)9.844121 PDF 3.18 MB https://publications.gc.ca/collections/collection_2017/eccc/En13-5-98-050-eng.pdf