Seasonal effects of sun exposure and emersion on intertidal seaweed physiology: Fluctuations in antioxidant contents, photosynthetic pigments and photosynthetic efficiency in the red alga Porphyra umbilicalis Kutzing (Rhodophyta, Bangiales), Priya Sampath-Wiley, Christopher D. Neefus, Leland S. Jahnke
New Hampshire Agricultural Experiment Station Publications