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Relationships between surface sediment diatom assemblages and water chemistry gradients in saline lakes of the Vestfold Hills, Antarctica

Published online by Cambridge University Press:  12 May 2004

D. Roberts  and
A. McMinn
D. Roberts
Affiliation:
Antarctic CRC and Institute of Antarctic and Southern Ocean Studies, University of Tasmania, Box 252 C, Hobart, Tasmania 7001, Australia
A. McMinn
Affiliation:
Antarctic CRC and Institute of Antarctic and Southern Ocean Studies, University of Tasmania, Box 252 C, Hobart, Tasmania 7001, Australia
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Abstract

The relationship between surface sediment diatom assemblages and measured limnological variables in 33 coastal Antarctic lakes was examined by constructing a diatom-water chemistry dataset. Canonical correspondence analysis revealed that salinity and silicate each explain significant amounts of variation in the distribution and abundance of the surface sediment diatom taxa. Salinity has the strongest influence, revealing its value for limnological inference models in this coastal Antarctic region.

Keywords

Antarctic saline lakescanonical correspondence analysisdiatomswater chemistry
Type
Papers-Life Sciences and Oceanography
Information
Antarctic Science , Volume 8 , Issue 4 , December 1996 , pp. 331 - 341
Copyright
© Antarctic Science Ltd 1996

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