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註釋Physical, inorganic and organic parameters were measured between January, 1993 and March, 1994 at three stations in the lower Fraser River - in the Main Stem at Mission, in the Main Arm at Tilbury Island and in the North Arm at Oak Street Bridge. Cross-section profiles were conducted on a quarterly basis at the three sites to investigate the suitability of taking a single water sample. In addition, six sloughs within the Main and North Arms of the river were sampled twice during the study.