00000nam##2200000za#4500 9.615831 CaOODSP 20210615101317 ta 150406|2001||||xxc||||| f|0| 0 eng|d 0-662-31315-1 1499-5905 CaOODSP eng n-cn--- En40-237/1-2001E Canada. Environmental Conservation Service. Threats to sources of drinking water and aquatic ecosystem health in Canada Burlington - Ontario : Environment Canada. 2001. x, 72p. : coloured figs., references ; 28 cm. NWRI scientific assessment report series 1499-5905 No. 1 Canadians across the country are growing increasingly anxious about what is happening to their water supply. In response to growing public concern, scientists from the National Water Research Institute met with colleagues from other government departments and research facilities to discuss what they see as the major threats to water quality in Canada. Softcover Menaces pour les sources d'eau potable et les écosystèmes aquatiques au Canada (CaOODSP)9.625842 Threats to sources of drinking water and aquatic ecosystem health in Canada (CaOODSP)9.558191 NWRI Scientific assessment report series, 1499-5905 No. 1 (CaOODSP)9.514577