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1981 <br />1ta c three <br />tosauito Control Imc3oundinerlLn <br />--- <br />Four separate cells will be crossed. One is more distinct than <br />the ,rather three in that it has not 1.)o(,n subjected to "dewaterin(;„ <br />by mosquito contro.t as requested by the property owner. This cell <br />apparently receives some runoff from tree ,:cijacent subdivision ,gin+:1 <br />has a relief culvert at the southeast cormor to the Main Canal. <br />'This area is distinct because a viable black mangrove/sea oxeye <br />community exists. <br />Tile remaining impounc.lnicnt cella :11-e ill an .,ldVOl'!:e condition clue •+) <br />mosquito control techniques bot.ti ir3irot►n,iin:.i and the requests of <br />property owners to stop floc*)din(► t:hc', 1.liltl, discharge of fill ant• <br />no efforts to restore_ tidal ct,3;')tit)►, i '.tiithi,1 the wcitland. This <br />rDridition was worsened as a re? 3tiit: Of rc?CCilt: Sf'i'CL'C Cold Wlntt?r; <br />The result of thi?^(? I'aCtOrS 13:t a d::,, t:+�' 1�3n(l, significant nul.t:,,3:' <br />of (leaf;, mangrove (however, IFF' :'engin(; uut new shoots) , <br />and the invasion of t►►,cl,�rsiral)1vc��a(t�itivn (Melaleuca so. and <br />[fit?D1� `rt�i?e) . The inVi3FjOn o <br />sites. <br />D. <br />4 <br />111'.!(i proposed road w;tll cross 4)t2tlan,1-_: I:i:elf ha,,7e been impounlled for <br />„C)sclui`.o control and large secti.cns th.,.t ix'e filled wetla <br />(including back dikes). Teta impacts tD these areas will <br />by fill removal and, there forc), 1:(_crc:at-ing the tidal we <br />the 'restoration of tidal action to th(,. i.rnptzu►lc?e(j sites. <br />I AIL <br />Discussions with other regulatory acicn cius have brough <br />additional ways to minimize the impact. These include: <br />use of an adjustable wier :instead of a flap gate, and 2) `the <br />of the section of back dike between Vossinbury Creek and Barber <br />Avenue. Both of these would bettr_r restore lost wetlands. if a <br />flap crated culvert must be used then the flap gate must he install,,► <br />C-rl the upstream end of the culvert. The flap gate on the downstreaT <br />-11(1 serves only to drain the. ir..l;ctlrldmelit and not to restore tidal <br />action. j,he additional dike remev:11 will also provide additional <br />3o,Arces of fill for road cons truct• ion,. <br />SEP 1-4 198,1; . <br />