EXH1009034994

PCHBPollution Control Hearings Board of the State of Washington

Wetland acreage impacts by wetland function 31. Acres of WtClmndFnngflolt Impact Comments - Rat/ag Tkreshold Resident/ 8.6 Most wettands rated for this function do not provide direct habitat for fish or Amdromons Fish aqua_ otgaaim_. Thue wetlandswen_tami at __t_,__low-naximtte when at least indirect tappet of fish habitat timmgh orgmk matter export, hydrologic fuuc_ons, or o_r wa_ _ fuz_om wo_ be ezl_ PasserineBirds 14.9 Getzndly, areas pm_v_inanesting and foraginghabitatfor some birds were rated at least iow-nmdmate.These tatinp refle_ the fact that even _ wetland areas in m'ma areas lmnride mine habitat for birth whon trees or slmzbs are ptment in or nearthewetktah. Waterfowl 1.9 Wetlands that provide areas of forage (wetlands on the golf course and Vacca Farm)or emergentwetlandswith nest/righabitatwereratedat least low-moderate. Amphibians 9.8 When forestor shrubhabitatoccurredin wc_b'n,tq or theirbuffent, they were rated at least iow-modoratefor this function. Small_ 13_ Generally, wetiat_ with shrub or fon_ cover provide mine habitat to small mammals, andwine rat_ at least low-moderate._ r_ rellect the fact that mall dimdmt w_land ma_ evon/n mbaa eav_amnem are reed by mall _ species. ExportsOrganic 10.9 Wetlandswith surface waterconnections to meatm or channels were generally Matter ratedat least low-nmdcnte forthis function. GroundWater 13.0 Wetlands where groundwaterdischarges (pe_.tmial or seasonal) were observed Exchange wegeratedat least low-nmderatefor this fmgtion. FloodSgnge 4.6 Wetlands in floodplains or those formed in shallow depressions, were rated at "- least low to naxlemte for this ftm,_ion. Nutrient/Sediment 16.3 Wetlands in floodplains, in shallow depressions, or on slopeswherechannelized Trapping inflowwasabsent,wereratedatleastlow-moderateforthisfunction. 3, If functionalassessment for a wetlandwas gatedgreaterthanlow,…
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