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008150406|2001||||xxc|||||     f|0| 0 eng|d
020 |a0-662-31315-1
022 |a1499-5905
040 |aCaOODSP|beng
043 |an-cn---
0861 |aEn40-237/1-2001E
1101 |aCanada. |bEnvironmental Conservation Service.
24510|aThreats to sources of drinking water and aquatic ecosystem health in Canada
260 |aBurlington - Ontario : |bEnvironment Canada. |c2001.
300 |ax, 72p. : |bcoloured figs., references ; |c28 cm.
4901 |aNWRI scientific assessment report series |x1499-5905|vNo. 1
5203 |aCanadians 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.
563 |aSoftcover
77508|tMenaces pour les sources d'eau potable et les écosystèmes aquatiques au Canada |w(CaOODSP)9.625842
7760#|tThreats to sources of drinking water and aquatic ecosystem health in Canada |w(CaOODSP)9.558191
830#0|aNWRI Scientific assessment report series,|x1499-5905|vNo. 1|w(CaOODSP)9.514577