As we seek to understand the physiological mechanisms of coral bleaching, it is important to understand the background temporal variation in photosynthetic pigments and photoprotective compounds that corals exhibit. In this study, reef flat populations of two hermatypic coral species, Montipora capitata (Dana, 1846) and Porites compressa Dana, 1846, were sampled monthly in Kāne‘ohe Bay, Hawai‘i...

This study determined the status of Carbin Reef benthic cover, Sagay Marine Reserve, Negros Occidental. The underwater assessment was conducted on March 2019 by laying eight 50-meter transect lines at depths 6 meters (crest) and 12 (slope). Photo-quadrat method used in obtaining still images for every 1-m across lines. A total 400 were acquired analyzed using Coral Point Count with Excel Extens...

Coral reefs are the most diverse habitat per unit area in world’s oceans, supporting an estimated 1–3 million species only 0.2% of its area. These ecosystems have suffered severe declines since 1970s, largely as a result climate change, ocean acidification, pollution, disease, and overfishing. Porites astreoides is shallow that able to thrive variety environmental conditions has been clear ‘win...

The oceans are becoming more acidic due to absorption of anthropogenic carbon dioxide from the atmosphere. The impact of ocean acidification on marine ecosystems is unclear, but it will likely depend on species adaptability and the rate of change of seawater pH relative to its natural variability. To constrain the natural variability in reef-water pH, we measured boron isotopic compositions in ...

The coloration of tropical reef corals is mainly due to their association with photosynthetic dinoflagellates commonly known as zooxanthellae. Combining High Performance Liquid Chromatography (HPLC), spectroscopy and derivative analysis we provide a novel approach to discriminate between the Caribbean shallow-water corals Acropora cervicornis and Porites porites based on their associated pigmen...