Development of simple and easy-to-use apparatus for long-term in-situ monitoring of coral fluorescence, and fluctuation of fishing ground environment

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Simple and easy-to-use apparatus for long-term in-situ monitoring of coral fluorescence Fluorescent proteins, which are very common in reef corals, play an important role in protecting coral zooxanthellae against excessive sunlight. Thus we developed a simple and easy-to-use Coral Fluorescent Monitoring System that can be used for long-term in-situ monitoring of coral fluorescence. This apparatus can capture fluorescence and normal images every hour for 26 days during both night and day. The responses of coral activity to environmental changes in coral reef regions were evaluated by carrying out simultaneous measurements of coral fluorescence and environmental parameters.