Acknowledgements
This study was conducted in the frame of the project FACE-IT (The Future of Arctic Coastal Ecosystems – Identifying Transitions in Fjord Systems and Adjacent Coastal Areas). FACE-IT has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 869154.
We thank Claudia Daniel and Nele Schimpf for assistance in the field and processing of macroalgal samples. Lena Blum and Verena Merk from the AWI dive team are gratefully acknowledged for scuba diving and sampling of algal material along the depth transect. We thank Juliane Müller for performing the biochemical investigations at University Rostock.
We are grateful to the AWIPEV Arctic Research Base and the Kings Bay Marine Laboratory personnel for the support of our research in Ny-Ålesund. SF is thankful to the Svalbard Science Forum for receiving the Arctic field grant.