Schroeter, B/ Kappen, L/ Green, TGA/ Seppelt, RD 1997: Lichens and the Antarctic environment: effects of temperature and water availability on photosynthesis. - In: Lyons, WB/Howard-Williams, C/Hawes, I (eds.): Ecosystem Processes in Antarctic Ice-free Landscapes. . A. A. Balkema, Rotterdam pp. 103-117. [RLL List # 176 / Rec.# 16722] Keywords: ANTARCTICA/ PHOTOSYNTHESIS/ SNOW/ TEMPERATURE/ UMBILICARIA/ WATER RELATIONS
Abstract: 8 fig. [From the Proceedings of an International Workshop on Polar Desert Ecosystems, held in Christchurch, New Zealand, 1-4 July 1996. "In this paper we demonstrate to what extent lichens are able to profit from snow as a water source for rehydration under the extreme environmental conditions in Continental Antarctica. Net photosynthesis of the foliose macrolichen Umbilicaria aprina occurred at subzero temperatures in the field even when snow was the only water source."]
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