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OCT I a 1983 <br />118 Acres Co. <br />September 20, 1983 <br />Page 5 <br />Typical Plant Species - <br />Sea Oats <br />Saltmeadow Cordgrass <br />Dune Panic Grass <br />Beach Bean <br />Railroad Vine <br />Morning Glories <br />Sea Rocket <br />Inkberry <br />Sea Blite <br />Beach Elder <br />Dune Sunflower <br />Camphorweed <br />Sea Purslane <br />Beach Croton <br />Prickly Zone: <br />Uniola paniculata <br />Spartina patens <br />Panicum amarulum <br />Canavalia maritima <br />Ipomoea pes-caprae <br />Ipomoea spp. <br />Cakile spp. <br />Scaevola plumieri <br />Suaeda linearis <br />Iva imbricata <br />Heliantrus debilis <br />Hetrotheca subaxillaris <br />Sesuvium portulacastrum <br />Croton punctatus <br />58 <br />Location - Landward of the vine and grass zone on the <br />sloping back edge of the primary dune and extending <br />onto the overwash area. <br />Typical Plant Species - <br />Saw Palmetto <br />Wax Myrtle <br />Woody Goldenrod <br />Myrtle Oak <br />Chapman's Oak <br />Sea Myrtle <br />Serenoa repens <br />Myrica cerifera <br />Solidago pauciflosculosa <br />Quercus myrtifoiia <br />Quercus chapmanii <br />Baccharis halimifolia <br />var. angustior <br />As mentioned previously, the dune system on the barrier island <br />is the primary protective defense against coastal storms and <br />flooding. There is a great need to preserve as much vegetation <br />on the dune line as possible. However, substantial protection <br />can be achieved at up to six units per acre (LD -2) with existing <br />safeguards such as the Coastal Construction Control Line and <br />future safeguards such as dune vegetation regulations. <br />Enclaves - River Areas <br />The river areas consist of two natural vegetative communities: <br />1) Upland mixed hammock association; <br />2) Mangrove forest. <br />Most of the upland mixed hammock association within the river <br />enclaves has been destroyed or severely altered and replaced <br />with citrus groves or -exotic vegetation. <br />The predominant single resource feature common to all the river <br />enclaves is Jungle Trail. This unpaved road is uniquely scenic <br />in Indian River County. It is also one of the oldest known <br />roads existing in the County. It is designated as a significant <br />County -wide resource in the Comprehensive Plan. Directly to the <br />west of Jungle Trail, is a band of mangrove trees which help <br />stabilize the new road. <br />There are currently several critical erosion problems associated <br />with Jungle Trail. Since the only means of access to the river <br />enclaves is the trail, increased traffic as the result of <br />increased residential densities would certainly have a negative <br />impact on the road. It should also be noted that the historical <br />M <br />