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Lead (Pb) isotope ratios were measured in the marine macroalga Iridaea cordata collected from four locations … in the Windmill Islands, East Antarctica. Based on the masses of thalli collected, samples analysed in … this study were likely to be a mixture of one and two year old thalli.
Chlorophyll fluorescence was used to measure changes in the maximum fluorescence yield (F0m) and effective quantum yield (F/F0m ) of Antarctic macroalgae in response to dissolved copper.
Antarctic macroalgae survive extended periods of darkness followed by rapid and extreme increases in irradiance when sea-ice … breaks out in summer. Algae from dark, ice-covered locations had low values of saturating irradiance (Ek: 4–19 mmol photons … m2 s1)…