Geesey G G, Costerton J W
Can J Microbiol. 1979 Sep;25(9):1058-62. doi: 10.1139/m79-162.
Epifluorescent microscopy showed as many as 4 x 10(6) bacteria/mL in the turbid waters of the Athabasca River near the tar sand deposits in northeastern Alberta. The numbers were usually similar upstream and downstream (60 km) from pilot-mining operations. The majority of bacteria existed as free-living cells in spite of the fact there were high concentrations of suspended sediment present (average 220 mg/L) during the ice-free period. Fluctuations in bacterial concentration were positively correlated (r = 0.86, P less than 0.05) with total organic carbon concentrations in the river water.
落射荧光显微镜显示，在艾伯塔省东北部油砂矿床附近的阿萨巴斯卡河浑浊水域中，细菌数量多达4×10⁶个/毫升。在试点采矿作业点上游和下游60公里处，细菌数量通常相近。尽管在无冰期存在高浓度的悬浮沉积物（平均220毫克/升），但大多数细菌以自由生活细胞的形式存在。细菌浓度的波动与河水中的总有机碳浓度呈正相关（r = 0.86，P<0.05）。
