Laserfiche WebLink
Cummreit ensue Mani Cowital Manaeemient Ehmemil <br />dcp psitcd byl natime dune megel atian. Ina natural state, dun a vlegatal ion gradual lyq ext ends aaeanward, <br />ftappling aide itional sand and causing lhea dunce to grove llaatenallM as veal as varticially} <br />Dune h6ghta marybyl localioni ini fIhci county. Whi:lu the lowest dunces, fount south cif IA.mbersand <br />Beaah, area around FI' high, the taallleasl dunes in the county, found ju,it north of Wabeisso Beacib, aaie <br />approaa imal e1M 22' high. <br />Duncis are divaic cid into two zones, the prim aryl dunea (fonedune' and the secondary dune (backdun ea). <br />Thea primary dun ea extends landward of the back shlorie. Seccir.ic aryl dunes fbllow thle pp-irnary dune and <br />r(Tlrcisenl stabilized deplosit:i of aand and shell matarials. <br />Comm only reaferried to ase th a cioasta:l dun e linea, the pp-imary dune ext arida landward of lhlei back shore <br />and is the seaward limit cif Ida plermancarit megelaticn. ConiscaqucaritlM primary dune veageitalioni i;a <br />sparse to mot cniatalm dense and is daminatead by1 native :apccies that are to:larant of winid, salt sppian <br />xciric lldry) coniditicns sallinie soils and shifiling formal ions. The plenmanent megetation llinia of the <br />primary tuna is susceptible to damage from pledustrian traffics, vuhicles, and other domestia <br />dstunbances. Cncie lhla mantle of megelatican is broklen, dunce moviemerit cianacceleriatci to thle plcir.il <br />whore plant growth) cannot kcieapl plana with thle shifiling sand. <br />Thea sacondaryl car backduna is landward ofl the primary tune and is caharacderizcd bye heavieri <br />vegctalioni, including perennial shrulbs, triecis arae mimes. Wheri plriolonged drought, storms or <br />hurrcanes anode the shifting primary dunes, thea salable sacondaryq dunea absorb the bruinit of the <br />phypieal fmices. Through oul lhla cou riq secondary dunes ane riot wall established and in scama cases <br />haua beaemi neaplaccad by coastal strand car Kamm ack commuri lies. <br />• Coastal Strand and Hammock) Commun:ilies <br />Caasta:l strand and hlammcak eommunitims develop landward of thea beaach/dune syslam. <br />Charaateristi cis of coastal strand and coastal ljm aritime) h ammock camrr uni ties include: greater soil <br />slab:ility, gtaduall acaumullation of organica sail componenils, leacahing of soil salts and parliall <br />proteacat:ion fiom salt ;spray. 111: casco ch anactcari;aticsa iniflueneca lh ca sucecassaioni ofleommun iticas. U:auallyt <br />caasl al striand ueagetaation i:a damineted by saw palmetto. Pigurie 9.4 deplicl s thea pnedaminant arcaas oft <br />caaasla:l stranid and h ammock caommunitieas local ad in Indian Riven County. <br />'n.a acastal striand habitat su caceeads through a scruib sl age and info a hlamm ack caommunity. <br />Genearallly, caoasta:l hlammacks caons:ist ofla mattlro ca.nopy of lime oakls and caabbage plalms, and miayi <br />eonataini willd coffeca and sloplplears, or a danisea graund caoueari oft ferns and vnineas. As progreassion <br />cont:inaucas, lhea hammock transcieanids into a jurigle-likca ecammunity ofltroplieal hlardwood:a, vineas and <br />shrubs, with) a fairam oplen canoply1 ofl oaks and caabbage plallms. In many) areas, nuisance eaxotic <br />uagelation, sucihl as Australian pante or Briazilian peapplcai, is also ppiasearit. The plreadaminiant ecaslal <br />hlammocakl arcaas of the county are c eaplictcc in Figure 9.5. <br />C aimmunity 1; eivel apment D( par tmEmt h diem Rig en Coumityl 4 <br />