Miami Beach reefs built in 1998 later attracted 97,826 fish from 146 species
A 2002 study examined 12 artificial reefs built off Miami Beach using limestone boulders, concrete-gravel aggregate and concrete mixed with waste tyre chips. Divers surveyed the reefs every two months from October 1998 to February 2001, recording fish species, numbers and sizes, along with spiny lobsters. They counted 97,826 fish from 146 species. The researchers found no significant difference…
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