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Figure 3


Fig. 3. Relation between (A) sulfate (µmol h-1 g-1 wet mass), and (B) protons (µequiv. h-1 g-1 wet mass) eliminated across plumes and roots of individual tubeworms exposed to sulfide for 48 h prior to the measurement. Closed circles in B represent animals that might have experienced hypoxic conditions and eliminated protons from anaerobic metabolism.