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� <br /> ; <br /> 'I'able 3: `� <br /> I <br /> Wctl:rod A Puuctimi Component Comparison � <br /> Fuoction Component Ezisting Conditions Post- ra'ect Conditions ; <br /> Welland Size A,2f8 s uare feel 4,656 s uare(eet <br /> Dead Storage Volume <900 ciibic feel >900 cabic feel � <br /> Hydraulic Residence Time 1.9 mon3is for 900 cubic feet of waler > 1.9 months for>900 cubic teel of <br /> water <br /> Live Storage Voiume None None <br /> EmergenUHerbaceous Vegelation 80 percent(primarily invasive species) 80 percent(will include mae nalive <br /> species) <br /> Vegelalion Density 100 percen� 100 percenl <br /> Vegelation Composilion 1 dominanl herbaceous species(invasive) Al leasl 3 herbaceous species,4 <br /> 1 dominant shrub species shrub species,and 51ree species <br /> 1 dominanl tree s ecies <br /> Stonmr•ater Storage f unctions. Slorniwater storage capacity will incre.tise through the creation of <br /> 388 squarc fcet of additional wcqand. Thc created wedand will bc excavatcd so that at Icast 900 <br /> cuUic feet of dead storage capacity is providcd in thc �vctland. If requcstcd by the City, a portion of <br /> the preservcd �vetland cuuld also be excavated to fi�rthcr incrcase dead slorage capacity. <br /> A minimal amount of live slorage capacity could bc provided lhrough the installation of logs as pari <br /> oC tl�c stream channcl enhancemenL Thercfore, thc stomiwatcr fimclions rclated to live storage <br /> capacity could slighUy improvc ovcr cxisting conditions. I3cc:msc dcad storage for at Icast 900 <br /> cuUic feet of water will be providecl, hydraulic residence time will matcli or exceed the existing <br /> conditions in Wctland A. Given lhat the proposed weQand mitigalion will occur within the same <br /> wetland as the proposed impacts, wclland contriUuting basin conditions will not be aCfected by the <br /> proposed developmenL <br /> �Vater Qu;ility G'unctious. Water quality fimclions will Ue maintained or improved by creating at <br /> Ieast 900 cuUic fect of dead storage capacity, which ���ill provide as much or more opportunity for <br /> prccipitalion of suspcndcd �vticulatcs. '1'hc establishment of rclativcly fine-stemmcd herbaceous <br /> plaats within thc 1,043 squarc-foot wetland creation area a��d in parts of the preserved wetland will <br /> proviJe more effeclive �vater quality bencfils than the exisling reed canarygrass currently provides. <br /> The arca of hcrbaccous/emcrgcnt vege;tation is anticipatcd to bc comparable to thc estimated 80 <br /> percent covcrage of lhc exisling conditions. <br /> Habit:rt P'unclions. I labitat divcrsily ���ill be improvcd through the estab!ishment of at least nine <br /> additional spccics oCnativc trces, shrubs, and emergent vcgctation, thc reconfiguration of the stre�m <br /> channcl, and lhe placement large woody dcbris (LWD) and rock along the stream channeL <br /> I:mergcnt vegetation will bc plantcd wherevcr ground dislurbvice occurs within tlre <br /> prescrvecUcrcalcd �velland and Uuffcr arcas. The stream channcl �vill be slighdy re-aligned througli <br /> the weUand anci will be re-contoured to simulate a more natural channel con6gur.riion (Appendix <br /> D,l. Flabital components such as rocks, Uoulders, and LWD will be added along the channel to <br /> improvc h:�bitat yuality anJ diversit�. "1�his incrcasccl quality and divcrsity will likely attract more <br /> r wnoowsazuv7rwscoa�we�:�e wen,,ro Hewr.n,�v�ror a,c <br /> Scnsilive Arcas fvaluation 14 July 2004 I � � <br /> Silver Lnkc Ccnlcr I'ropc�iy <br />