Before revision: Although the surrounding seawall could provide an artificial reef that is an advantageous environment for some marine life forms, there are potential catastrophic effects on animal and plant life near-shore (for coastal plants) or further offshore (with deep-water floating plants).
After revision: Although the surrounding seawall could provide an artificial reef that is an advantageous environment for some marine life forms, there are potential negative effects on animal and plant life near-shore (for coastal plants) or further offshore (with deep-water floating plants).