the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Brief Communication: Capturing scales of spatial heterogeneity of Antarctic sea ice algae communities
Alexander L. Forrest
Lars C. Lund-Hansen
Brian K. Sorrell
Isak Bowden-Floyd
Vanessa Lucieer
Remo Cossu
Ian Hawes
Abstract. Identifying spatial heterogeneity of sea ice algae communities is critical to predicting ecosystem response under future climate scenarios. Using an autonomous robotic sampling platform beneath sea ice in McMurdo Sound, Antarctica, we measured irradiance in spectral bands expected to describe the spatial heterogeneity. Derived estimates of ice algae biomass identified patchiness at length scales varying from 50–70 m under first-year sea ice. These results demonstrate that a step-change in how these communities can be assessed and monitored. The developed methodologies could be subsequently refined to further categorize different ice algae communities and their associated productivity in both Arctic and Antarctic waters.
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Alexander L. Forrest et al.


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RC1: 'Reviewer comments on tc-2016-186', Anonymous Referee #1, 11 Oct 2016
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RC2: 'review comments', Anonymous Referee #2, 28 Oct 2016
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AC1: 'Final Response', Alexander Forrest, 30 Jan 2017
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EC1: 'Replies to comments and reviews', Jean-Louis Tison, 30 Jan 2017
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EC2: 'New version of revised manuscript and Authors comments', Jean-Louis Tison, 16 Feb 2017
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EC3: 'Second (new) referee's comment on the new version of the manuscript', Jean-Louis Tison, 29 Mar 2017


-
RC1: 'Reviewer comments on tc-2016-186', Anonymous Referee #1, 11 Oct 2016
-
RC2: 'review comments', Anonymous Referee #2, 28 Oct 2016
-
AC1: 'Final Response', Alexander Forrest, 30 Jan 2017
-
EC1: 'Replies to comments and reviews', Jean-Louis Tison, 30 Jan 2017
-
EC2: 'New version of revised manuscript and Authors comments', Jean-Louis Tison, 16 Feb 2017
-
EC3: 'Second (new) referee's comment on the new version of the manuscript', Jean-Louis Tison, 29 Mar 2017
Alexander L. Forrest et al.
Alexander L. Forrest et al.
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Cited
2 citations as recorded by crossref.
- A New Remotely Operated Sensor Platform for Interdisciplinary Observations under Sea Ice C. Katlein et al. 10.3389/fmars.2017.00281
- Estimation of Antarctic Land‐Fast Sea Ice Algal Biomass and Snow Thickness From Under‐Ice Radiance Spectra in Two Contrasting Areas P. Wongpan et al. 10.1002/2017JC013711