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tW <br />40 <br />Indian River County Nianstee Protection and Boating Safety Comprehensive Management Plan <br />Zone 8 <br />Although no manatee mortalities attributed to watercraft have been recorded in Zone 8, the <br />probability of watercraft impacts to manatees is high, since Zone 8 is a dense manatee <br />abundance area. Large manatee aggregations have been documented near and in the coves of <br />the Moorings subdivision, and in the vicinity of Round Island Park. Natural resource <br />constraints, including dense seagrass coverage and shoreline vegetation, and a lack of <br />appropriate zoning designations, would prohibit the siting of new marinas within Zone 8. The <br />Moorings marina could potentially be expanded to absorb a future increase in demand for <br />Zone 8; however, there is no need to expand this facility at the present time. Thus, the existing <br />maximum 1:100 powerboat/shoreline density ratio should be retained for Zone 8. <br />f�Zone 9 <br />The siting of new boat facilities in Zone 9 is restricted, since most land adjacent to the IRL has <br />been deemed environmentally sensitive due to the presence of estuarine wetlands. Two <br />watercraft -related manatee mortalities have been recorded in Zone 9. However, since seagrass <br />density and manatee abundance increase just south of the South Relief Canal outfall, the <br />probability of manatee impacts with watercraft in Zone 9 is high. Therefore, the existing <br />maximum 1:100 powerboat/shorcline density ratio should he retained for Zone 9. <br />Community Development Department page Sit <br />