jpy12004-sup-0001-FigS1.pdfapplication/PDF39KFigure S1. Functional absorbance cross-section of PSII (σPSII) and the rate of reoxidation of the primary quinine acceptor QA) of Synedropsis sp., F. curta, and F. cylindrus cultures grown over 24 d (Synedropsis sp.) and 28 d (Fragilariopsis species) (mean ± standard error, n = 3 for each time point).
jpy12004-sup-0002-FigS2.pdfapplication/PDF20KFigure S2. Scatter plot of components 1 and 2 from Principal Components Analysis of monosaccharide composition of different carbohydrate fractions from cultures of the polar diatoms Synedropsis sp., F. curta, and F. cylindrus and from Antarctic sea-ice samples, coded by % similarity cluster analysis into groupings. Major groups (A and B) have a dissimilarity of 42% and internal similarity of 60% or greater. Cluster A contained four subgroups: A1 (36% dissimilar to the rest of cluster A, 70% similarity within group), clusters A2 and A3, and A4 (all > 80% similar within subgroups).
jpy12004-sup-0003-TableS1.pdfapplication/PDF24KTable S1. Freezing temperatures for blanks and F. cylindrus cultures grown in different salinities (34S and 52S) without (control) and with xanthan treatments (1 and 5 g. L-1).

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