Photosystem II (PSII) photochemical efficiency (Yield PSII) recorded at noon (deltaF/Fm') and at dusk (Fv/Fm) on corals from the species Orbicella faveolata Random colonies from Varadero and Rosario reefs, May 2017 PI: M. Medina, R. Iglesias-Prieto, T. Lopez (Penn State) version date: 2020-01-08