

Author: Antoniades Dermot Douglas Marianne Smol John
Publisher: Springer Publishing Company
ISSN: 0018-8158
Source: Hydrobiologia, Vol.529, Iss.1-3, 2004-11, pp. : 1-18
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Abstract
Surface sediment diatom assemblages were examined from 26 freshwater sites near Isachsen (78°47′N, 103°32′W), Ellef Ringnes Island, a region of diverse and atypical water chemistry for high arctic sites. One hundred and sixty eight diatom taxa were identified from these samples, over 50% of which had not previously been recorded in the Canadian High Arctic. Variations in diatom assemblages were related to changes in measured environmental variables using multivariate techniques. Canonical correspondence analysis (CCA) indicated that five variables contributed significantly to explaining patterns of diatom variation (i.e., COND, DIC, Mn, TPF, TPU). The first CCA axis (
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