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2010-252A (09)
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2010-252A (09)
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Last modified
7/9/2020 4:38:33 PM
Creation date
10/5/2015 10:01:45 AM
Metadata
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Template:
Official Documents
Official Document Type
Report
Approved Date
10/12/2010
Control Number
2010-252A (9)
Agenda Item Number
10.A.3
Entity Name
Comprehensive Plan
Subject
EAR based Amendment 2030 Comprehensive Plan
Chapter 8 Conservation Element
Supplemental fields
SmeadsoftID
13461
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Comprehensive Plan Conservation Element <br />• Lagoon "Reefs" <br />As gorgonian corals and invertebrate growth attach to hard surfaces such as exposed rock ledges <br />carved from dredged channels, especially the along margins of the Intracoastal Waterway (ICW), <br />artificial reefs are formed. Other hardened surfaces amenable to reef growth include shipwrecks, <br />pilings, and submerged structures (Woodward -Clyde, 1994). Over 90 species of fish congregate near <br />reefs. Most of these species, such as scorpionfish, cardinalfish, butterflyfish, angelfish, damselfish, <br />wrass, and parrotfish, are considered primary reef fish and are generally not found near any of the <br />other previously mentioned communities (Woodward -Clyde, 1994). <br />Nearshore Atlantic System <br />The nearshore system is comprised of two main components: the subtidal zone and the surf zone. <br />The surf zone extends from depths of nine (9) feet below the mean low water line (MLWL) to the <br />MLWL, while the subtidal zone extends from depths of approximately nine (9) feet to twenty-five <br />(25) feet below the MLWL. <br />Off the coast of Indian River County, the surf and subtidal zones are characterized by rock/reef <br />development. These nearshore outcrops/reefs function to stabilize the barrier island shoreline by <br />moderating wave action and providing a hard bottom for marine plants and animals. The rock and <br />reef areas have an abundance of marine life. Attached and encrusting algae are common, and many <br />types of invertebrates such as bryozoans, gorgonians, sponges, and ascidians are present. Other <br />invertebrates include polychaetes, mollusks, crustaceans and echinoderms. Sea turtles also forage the <br />reefs. The Coastal Management Element of this plan provides a more detailed account of the <br />nearshore Atlantic system. <br />At least 255 species of fish have been documented on the nearshore reefs of the County. Of these, <br />more than 75 percent are Caribbean reef fish such as grunts, angelfishes, butterfishes, damselfishes, <br />and wrasses. Fish with commercial and sportfish value, such as several species of snappers and <br />groupers, are also found. <br />• Sebastian Inlet <br />Nearly half of all fish species frequenting the inlet are associated with nearshore Atlantic <br />communities, especially reefs. Species found near the inlet include: sharks, moray eels, snake eels, <br />surgeonfish, butterfish, filefish, and boxfish. <br />Commercial Uses of Natural Resources <br />Indian River County's terrestrial and marine resources are used for commercial purposes in a number <br />of ways. While upland communities, such as rangelands, woodlands and prairies, are used to support <br />Community Development Department Indian River County 69 <br />
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