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BOOK 66 u,U,E 316 <br />N OV 4 1986 <br />TO: The Honorable Members DATE: October 23, 1986 FILE: <br />of the Board of County <br />Commissioners <br />DIVISION HEAD CONCURRENCE: BARRIER ISLAND VEGETATION <br />SUBJECT: ORDINANCE ALTERNATIVES <br />Robert M. Keting ICP <br />Planning & D velopment Director <br />FROM: Art Challacombe REFERENCES: Barrier Isl. Veg <br />Chief, Environmental Planning DIS:ARTCHA <br />It is requested that the data herein presented be given formal <br />consideration by the Board of County Commissioners at their <br />regular meeting of November 4, 1986. <br />DESCRIPTION & CONDITIONS: <br />On August 6, 1986, the Board of County Commissioners directed <br />staff to draft a special ordinance to protect native vegetation <br />in the area between State Road A -1-A and the ocean. The <br />Commission's stated objective in having this ordinance prepared <br />is to promote water conservation on the barrier island through <br />the use and preservation of drought tolerant native -vegetation. <br />Other objectives that would be accomplished as the result of <br />implementing native vegetation protection are wildlife habitat <br />preservation, soil stabilization and erosion control. Staff has <br />researched this issue, prepared alternative ordinance <br />scenerios, and is seeking direction from the Board as to which <br />alternative it prefers. Upon Board selection of the preferred <br />scenerio, staff will proceed to complete a draft ordinance and <br />conduct a public workshop prior to holding the necessary public <br />hearings. <br />ALTERNATIVES & ANALYSIS: <br />Staff has prepared four ordinance scenerios that it feels will <br />address various priorities and should be considered by the <br />Board. Each of these alternatives has certain advantages and <br />disadvantages as will be outlined in this section. <br />Alternative #1: Existing Ordinances <br />This scenerio essentially represents a "take no action" alter- <br />native. Currently, the County ordinances protect two important <br />barrier island habitats, the estuarine wetlands located along <br />the Indian River and the primary dune system seaward of the <br />Coastal Construction Control Line (CCCL). Elsewhere on the <br />barrier island, the existing ordinances protect selected native <br />trees within certain zoning districts. Presently, no native <br />understory vegetation, other than dune vegetation, is protected <br />by County regulations. <br />The present lack of protection. of native vegetation occurs <br />within two important habitat areas on the barrier island, the <br />Coastal Strand Zone and Coastal Hammock Zone. Typical native <br />vegetative species currently not protected under existing <br />ordinance are described in the following table: <br />UNPROTECTED COASTAL VEGETATION ZONE PLANTS <br />Coastal Strand Coastal Hammock <br />Saw Palmetto Cabbage Palms <br />Wild Coffee Oak Trees (under 8" DBH) <br />White Stopper Wild Lime <br />Coco Plum Spanish Stopper <br />Marlberry Gopher Apple <br />Sea Grape Wild Mastic <br />_ 34 Myrsine <br />