publication . Other literature type . Article . 2014

Sea Ice Ecosystems

Kevin R. Arrigo;
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  • Published: 03 Jan 2014
  • Publisher: Annual Reviews
Abstract
Polar sea ice is one of the largest ecosystems on Earth. The liquid brine fraction of the ice matrix is home to a diverse array of organisms, ranging from tiny archaea to larger fish and invertebrates. These organisms can tolerate high brine salinity and low temperature but do best when conditions are milder. Thriving ice algal communities, generally dominated by diatoms, live at the ice/water interface and in recently flooded surface and interior layers, especially during spring, when temperatures begin to rise. Although protists dominate the sea ice biomass, heterotrophic bacteria are also abundant. The sea ice ecosystem provides food for a host of animals, wi...
Subjects
free text keywords: Oceanography
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