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Water Chemistry and Bacterioplankton in Two Subalpine Rivers in Finnish Lapland

机译：芬兰拉普兰的两条亚高山河流中的水化学和浮游细菌

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摘要

Water chemistry and bacterioplankton were analysed for two subalpine rivers, River Kidisjoki and River Utsjoki, in northernmost Finland. The data set is based on continuous runoff measurements and weekly chemical and biological samples. The data were collected during the open water period, from May to October, in year 2000. The runoff patterns during the summer were similar in the two rivers at though the size of the catchments is very different (the catchment of River Utsjoki 1,520 km~2 and of River Kidisjoki 22 km~2). For both rivers, variations in runoff were followed by variations in the water quality and bacterial densities. The measured chemical concentrations were usually the highest in the headwaters of river Kidisjoki, while in the lower Kidisjoki they were clearly lower than in Utsjoki. Bacterial densities were on average highest in Utsjoki and the strongest relationships between water chemistry and bacteria were found in Kidisjoki. Both the chemical concentrations and bacterial densities were low in the two rivers when compared to other studied rivers in northern Finland.
机译：分析了芬兰最北端的两条亚高山河流基迪舍基河和乌茨约基河的水化学和浮游细菌。数据集基于连续的径流测量以及每周的化学和生物样品。数据是在2000年5月至10月的开放水期收集的。尽管集水区的大小差异很大（Utsjoki河的集水区1,520 km〜 2公里和Kidisjoki河22公里〜2）。对于两条河流来说，径流变化之后都是水质和细菌密度的变化。在Kidisjoki河的上游，所测得的化学物浓度通常最高，而在Kidisjoki下游，其化学浓度明显低于Utsjoki。在Utsjoki，细菌密度平均最高，在Kidisjoki中，水化学与细菌之间的关系最强。与芬兰北部其他河流相比，两条河流的化学浓度和细菌密度均较低。

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