Lesson 2 - Threats to the Marine Environment

Text by Alan Deidun; Design and images by Martin Galea De Giovanni

 














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Diving

Caves are amongst the marine community most vulnerable to the negative impacts of diving. In fact, trapped air bubbles exhaled by divers in caves may damage corals hanging down from the surface.

divers

Also, high levels of artificial light from torches used by divers within caves may damage organisms normally accustomed to low levels, whilst the bottom sediment may be disturbed by divers, which kick up with their flippers fine sediments (such as silt) which remain suspended in the water for long periods and then finally settle on delicate organisms themselves, choking them.