1. Climate Change and Environmental Protection
... can also serve as breeding grounds and nurseries for fish, as well as form the basis of tourism and fishing industries. To promote coral reef growth, artificial reefs can be created and placed on the seafloor. They are usually made of concrete or steel and are colonised by corals, allowing ... coasts. They reduce erosion of the coastal area by absorbing wave energy and reflecting incoming waves. They are often reinforced with boulders, steel and gabions. One example of a seawall is the Malecon, Havana which stretches 8km and is a popular tourist site due to the many small businesses on ...
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