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The relationship between water chemistry and surface sediment diatom assemblages in maritime Antarctic lakes

Jones, V.J.; Juggins, S.; Ellis-Evans, J.C.. 1993 The relationship between water chemistry and surface sediment diatom assemblages in maritime Antarctic lakes. Antarctic Science, 5 (04). 339-348. 10.1017/S095410209300046X

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Abstract/Summary

Maritime Antarctic freshwater lakes and their catchments are inherently simple systems in an environment which is characterized by strong seasonality. Such lakes offer excellent opportunities to study the interaction of water chemistry and plant communities. The response of diatom species to environmental gradients was assessed by constructing a diatom and water chemistry dataset from 59 lakes at two locations (Livingston Island, South Shetland Islands and Signy Island, South Orkney Islands). Results indicate that diatom species abundance is predominately related to nutrient and salinity gradients. The dataset will be used to create transfer functions which can be applied to sediment core diatom assemblages to reconstruct historical patterns of lake chemistry.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1017/S095410209300046X
Programmes: BAS Programmes > Pre 2000 programme
ISSN: 0954-1020
Additional Keywords: diatoms, training dataset, salinity, nutrients, multivariate analysis
NORA Subject Terms: Ecology and Environment
Date made live: 13 Sep 2017 10:38 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/517793

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