| Summary: | The dataset was taken in June and August 2019 in Isfjorden, Svalbard, an Arctic fjord system with various rivers and glaciers supplying meltwater in summer. The aim of the study is to investigate the effect of river inputs during the spring freshet and later in summer on bacterial and archaeal communities and diversity. We hypothesized that changes in dissolved organic matter and nutrient inputs, and increasing stratification shapes the fjord microbial communities. We sequenced the 16S rRNA gene of filtere water or sediment samples using the Illumina MiSeq PE technology and investigated environmental controls using multivariate statistics.
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