While seawalls are the traditional defence for Singapore’s coasts against rising sea levels, scientists at the National University of Singapore (NUS) are re-engineering them to ensure they do not come at the cost of life underwater.
Despite the ability of the undersea parts of some man-made defences to support coral communities, intertidal seawalls do not support biodiversity of the same richness as natural coastlines, said Associate Professor Peter Todd at NUS’ Experimental Marine Ecology Lab.
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