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Moulting reduces freeze susceptibility in the Antarctic mite Alaskozetes antarcticus (Michael)

Hawes, T.C.; Bale, J.S.; Worland, Roger; Convey, Peter. 2007 Moulting reduces freeze susceptibility in the Antarctic mite Alaskozetes antarcticus (Michael). Physiological Entomology, 32 (4). 301-304. 10.1111/j.1365-3032.2007.00547.x

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Abstract/Summary

The effect of moulting on the cold hardiness of the oribatid mite Alaskozetes antarcticus (Michael) is investigated. Non moulting animals show clear seasonal patterns of cold hardiness with high supercooling points (SCPs) at the peak of summer and an increasing proportion of low SCPs with declining environmental temperatures. By contrast, both field-fresh and laboratory acclimated (5 °C) mites in the moult state are consistently found to have low SCPs regardless of environmental temperature.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1111/j.1365-3032.2007.00547.x
Programmes: BAS Programmes > Global Science in the Antarctic Context (2005-2009) > Biodiversity, Functions, Limits and Adaptation from Molecules to Ecosystems
ISSN: 0307-6962
Additional Keywords: Cold hardiness; cryoprotection; ecdysis; maritime Antarctic; oribatid; overwintering; supercooling point
NORA Subject Terms: Biology and Microbiology
Zoology
Ecology and Environment
Date made live: 22 Feb 2011 16:06
URI: http://nora.nerc.ac.uk/id/eprint/11747

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