Synergistic Effect of Elevated Temperature and Light Stresses on Physiology of Pocillopora acuta from Different Environments

Increasing levels of greenhouse gases lead to ocean warming, which affects a range marine organisms. Corals live in narrow temperature and become stressed when the temperatures change. Bleaching occurs exceeds coral’s threshold, can be severe this is combined with other stressors such as light. In order understand how light affect corals their physiological responses photosynthetic performance, Pocillopora acuta from Maiton Island (MT) Panwa Cape (PW), representing different environments, were investigated. The results show that had by regime effects on Symbiodiniaceae photosynthesis coral growth rate. There was synergistic effect elevated photosynthesis, observed photochemical efficiency pigment contents, suggesting photo-damage. A higher rate control, while reduced growth. Elevated affected less, might able recover returns normal. This information important for predicting especially summer, regards possibility bleaching.