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Shine a light: Under-ice light and its ecological implications in a changing Arctic Ocean

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DOI

  • Giulia Castellani, Alfred Wegener Institute - Helmholtz Centre for Polar and Marine Research, Tyskland
  • Gaelle Veyssière, British Antarctic Survey, Cambridge, UK, Storbritannien
  • Michael Karcher, OASys, Alfred Wegener Institute - Helmholtz Centre for Polar and Marine Research
  • ,
  • Julienne C. Stroeve, University of Manitoba, University College London, University of Colorado
  • ,
  • Neil S. Banas, University of Strathclyde
  • ,
  • A. Heather Bouman, Oxford Universty, Storbritannien
  • S Andrew Brierley, University of St Andrews, Storbritannien
  • Stacey Connan, University of Strathclyde, Storbritannien
  • Finlo Cottier, Scottish Association for Marine Science, Scottish Marine Institute, Storbritannien
  • Fabian Grosse, German Federal Institute of Hydrology, University of Strathclyde, Tyskland
  • Laura Hobbs, University of Strathclyde, Storbritannien
  • Christian Katlein, Alfred Wegener Institute - Helmholtz Centre for Polar and Marine Research, Tyskland
  • Bonnie Light, University of Washington, USA
  • David McKee, University of Strathclyde, Storbritannien
  • Andrew Orkney, University of Oxford, Storbritannien
  • Roland Proud, Scottish Oceans Institute, University of St. Andrews, Storbritannien
  • Vibe Schourup-Kristensen

The Arctic marine ecosystem is shaped by the seasonality of the solar cycle, spanning from 24-h light at the sea surface in summer to 24-h darkness in winter. The amount of light available for under-ice ecosystems is the result of different physical and biological processes that affect its path through atmosphere, snow, sea ice and water. In this article, we review the present state of knowledge of the abiotic (clouds, sea ice, snow, suspended matter) and biotic (sea ice algae and phytoplankton) controls on the underwater light field. We focus on how the available light affects the seasonal cycle of primary production (sympagic and pelagic) and discuss the sensitivity of ecosystems to changes in the light field based on model simulations. Lastly, we discuss predicted future changes in under-ice light as a consequence of climate change and their potential ecological implications, with the aim of providing a guide for future research.

OriginalsprogEngelsk
TidsskriftAmbio
Vol/bind51
Nummer2
Sider (fra-til)307-317
Antal sider11
ISSN0044-7447
DOI
StatusUdgivet - feb. 2022

Bibliografisk note

© 2021. The Author(s).

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