5 | Acknowledgements

Support and funding for this project was provided by the Norwegian Research Council under the project 267829 SUSTAINable AQUAculture in the North: identifying thresholds, indicators and tools for future growth. We thank U. von Ammon at Cawthron Institute for preparing the 16S rRNA gene libraries, C. Gebbie at Auckland Genomics for sequencing of the metabarcoding data, G. D. Gilfillan and T. Ribarska from the Norwegian High-Throughput Sequencing Centre (NSC) for laboratory support, library preparation and sequencing of the metagenomics data, and the Norwegian e-infrastructure for Research and Education (Uninett-Sigma2) for storage and computing resources.