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Cryofouling avoidance in the Antarctic scallop Adamussium colbecki.
Commun Biol
January 2022
Max Planck Institute for Polymer Research, 55128, Mainz, Germany.
The presence of supercooled water in polar regions causes anchor ice to grow on submerged objects, generating costly problems for engineered materials and life-endangering risks for benthic communities. The factors driving underwater ice accretion are poorly understood, and passive prevention mechanisms remain unknown. Here we report that the Antarctic scallop Adamussium colbecki appears to remain ice-free in shallow Antarctic marine environments where underwater ice growth is prevalent.
View Article and Find Full Text PDFEffects of ice and floods on vegetation in streams in cold regions: implications for climate change.
Ecol Evol
November 2014
Eawag: Swiss Federal Institute of Aquatic Science and Technology Seestrasse 79, CH-6047, Kastanienbaum, Switzerland.
Riparian zones support some of the most dynamic and species-rich plant communities in cold regions. A common conception among plant ecologists is that flooding during the season when plants are dormant generally has little effect on the survival and production of riparian vegetation. We show that winter floods may also be of fundamental importance for the composition of riverine vegetation.
View Article and Find Full Text PDFBio-inspired design of ice-retardant devices based on benthic marine invertebrates: the effect of surface texture.
PeerJ
October 2014
Department of Integrative Biology, University of California, Berkeley, CA , USA.
Growth of ice on surfaces poses a challenge for both organisms and for devices that come into contact with liquids below the freezing point. Resistance of some organisms to ice formation and growth, either in subtidal environments (e.g.
View Article and Find Full Text PDFAnchor ice and benthic disturbance in shallow Antarctic waters: interspecific variation in initiation and propagation of ice crystals.
Biol Bull
October 2011
Hopkins Marine Station of Stanford University, Pacific Grove, California 93950, USA.
Sea ice typically forms at the ocean's surface, but given a source of supercooled water, an unusual form of ice--anchor ice--can grow on objects in the water column or at the seafloor. For several decades, ecologists have considered anchor ice to be an important agent of disturbance in the shallow-water benthic communities of McMurdo Sound, Antarctica, and potentially elsewhere in polar seas. Divers have documented anchor ice in the McMurdo communities, and its presence coincides with reduced abundance of the sponge Homaxinella balfourensis, which provides habitat for a diverse assemblage of benthic organisms.
View Article and Find Full Text PDFSea-ice production and transport of pollutants in the Laptev Sea, 1979-1993.
Sci Total Environ
August 1997
Polar Science Center, University of Washington, Seattle 98105, USA.
Pollutants such as radionuclides can be incorporated into ice formed in shallow waters of the marginal seas, by suspension freezing, including frazil- and anchor-ice formation. This ice thickens through the winter and can survive the summer melt to eventually be pushed into the perennial ice zone and thus be transported long distances. After a few years, when the ice finally melts, these radionuclides can be re-released in biologically rich waters.
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