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Antarctic Sea Ice: Biological Processes, Interactions and Variability

Antarctic Sea Ice: Biological Processes, Interactions and Variability

Michael P. Lizotte (Editor), Kevin R. Arrigo (Editor)

ISBN: 978-1-118-66814-6

Mar 2013, American Geophysical Union

198 pages

Select type: O-Book


Published by the American Geophysical Union as part of the Antarctic Research Series, Volume 73.

The 4 million to 20 million square kilometers of sea ice that surrounds the Antarctic continent represents one of the largest and most dynamic ecosystems on Earth. This sea ice matrix provides a habitat for a wide variety of organisms, some of which live their entire lives within the ice while others are only occasional visitors. Large grazers, such as copepods and krill which come to the sea ice to feed, represent important links between sea ice biota and the pelagic environment. Unfortunately, because of the inherent difficulty of sampling such an environment, many aspects of this unique habitat are still poorly understood. The purpose of this volume is to present new information about this ecosystem so that its role within the Antarctic food-web (and as a sink for carbon dioxide) and its susceptibility to environmental changes can be better understood.

Kevin R. Arrigo and Michael P. Lizotte xi

Flood-Freeze Cycles and Microalgal Dynamics in Antarctic Pack Ice
Christian H. Fritsen, Stephen F . Ackley, James N. Kremer, and Cornelius W . Sullivan 1

Primary Productivity of Near Surface Communities Within Antarctic Pack Ice
Kevin R. Arrigo, Denise L . Worthen, Paul Dixon, and Michael P. Lizotte 23

Icecolors' 93: Spectral UV Radiation Effects on Antarctic Frazil Ice Algae
Barbara B. Prdzelin, Mark A. Moline, and H. Allen Matlick 45

A Compilation of Data on Sea Ice Algal Standing Crop From the Bellingshausen, Amundsen, and Weddell Seas From 1983 to 1994
Gerhard S. Dieckmann, Hajo Eicken, Christian Haas, David L. Garrison, Markus Gleitz, Manfed Lange,
Eva-Maria Nothig, Michael Spindler, Cornelius W. Sullivan, David N. Thomas, and Jurgen Weissenberger 85

Algal Pigment Signatures in Antarctic Sea Ice
Michael P. Lizotte, Dale H. Robinson, and Cornelius W. Sullivan 93

Composition and Succession of Sea Ice Diatom Assemblages in the Eastern
and Southern Weddell Sea, Antarctica
Markus Gleitz, Annette Bartsch, Gerhard S. Dieckmann, and Hajo Eicken 107

The Fate of Antarctic "Sea Ice Diatoms" and Their Use as Paleoenvironmental Indicators
Amy Leventer 121

Dimethylsulfoniopropionaitne Sea Ice Algae From the Ross Sea Polynya
Giacomo R. DiTullio, DavM L. Garrison, and Sylvie Mathot 139

Nitrogen Metabolism in Antarctic Fast-Ice Microalgal Assemblages
John C. Priscu and Cornelius W. Sullivan 147

Biological Soup Within Decaying Summer Sea Ice in the Amundsen Sea, Antarctica
David N. Thomas, Ruben J. Lara, Christian Haas, Sigrid B. Schnack-Schiel, Gerhard S. Dieckmann,
Gerhard Kattner, Eva-Marie Nothig, and Elke Mizdalski 161

Copepodsin Antarctic Sea Ice
Sigrid B. Schnack-Schiel, David N. Thomas, Hans-Uwe Dahms, Christian Haas, and Elke Mizdalski 173

Physioecology of Juvenile Antarctic Krill (Euphausias uperba) During Spring in Ice-Covered Seas
Kendra L. Daly  183