Wetland Monitoring Report - Illinois Department of … by: David Ketzner, Dennis Keene and Brad...

Preparedby:DavidKetzner,DennisKeeneandBradZercher

WetlandScienceProgram

IllinoisNaturalHistorySurvey1816SouthOakStreet

Champaign,Illinois61820

February2012

ProjectSite:Eckmann/BischoffWetlandMitigationSite,

MadisonCounty,Illinois‐2011

WetlandMonitoringReport

PRAIRIE RESEARCH INSTITUTE

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ProjectSummary

MonitoringoftheEckmann/BischoffWetlandMitigationSite,MadisonCounty,Illinois,wascompletedon24October2011.Allpotentialwetlandsandallplantcommunitieswithinthespecifiedprojectareawereexamined.SixsitesmetthethreecriteriaofawetlandestablishedintheCorpsofEngineersWetlandsDelineationManual(EnvironmentalLaboratory1987)andwere,therefore,determinedtobewetlands.Fourplantcommunitieswereidentifiedatthesite:marsh,wetfloodplainforest,shrublandandwetmeadow.Summaryinformationregardingthewetlanddeterminationsitesispresentedinthewetlandmonitoringreport.WetlanddeterminationformsarefoundinAppendixAandwetlandsiteplantspecieslistsareincludedinAppendixB.WetlandboundarieswererecordedusingaTrimbleGlobalPositioningSystem.ThespatialdatahavebeendigitallyuploadedtotheIllinoisSiteAssessmentTrackingSystem(http://frostycap.isgs.uiuc.edu/idot_extranet).Locationsofdeterminationsiteswereoverlaidonadigitalorthophotoquadrangle(DOQ)usingArcGIS;theresultingfigureisincludedinAppendixC.AdditionalmapsandfiguresarealsoincludedinAppendixC.Inaddition,thestatusofthedecurrentfalseaster(Boltoniadecurrens)atthesiteisdiscussed.

Signed: Dr.AllenPlocherINHS/IDOTProjectCoordinator

Date: 28February2012ConductedBy: DavidKetzner(Vegetation,HydrologyandGPS)

DennisKeene(SoilsandHydrology)BradZercher(GIS)UniversityofIllinoisPrairieResearchInstituteIllinoisNaturalHistorySurveyWetlandScienceProgram1816SouthOakStreetChampaign,[email protected](217)244‐8821(Ketzner)

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TableofContentsProjectSummary ........................................................................................................................2IntroductionandSiteDescription................................................................................................4Methods .....................................................................................................................................5Vegetation ..................................................................................................................................6Soils ............................................................................................................................................8Hydrology ...................................................................................................................................8WetlandSiteSummaries .............................................................................................................9Threatened/EndangeredSpeciesandNaturalCommunitiesofSpecialInterest.........................10Discussion .................................................................................................................................10LiteratureCited.........................................................................................................................12APPENDIXA ..............................................................................................................................15

WetlandDeterminationForms.........................................................................................16APPENDIXB ..............................................................................................................................30

WetlandPlantSpeciesLists ..............................................................................................31APPENDIXC ..............................................................................................................................43

Figure1–ProjectLocationMap .......................................................................................44Figure2–NationalWetlandsInventoryMap ...................................................................45Figure3–WetlandDelineationMap ................................................................................46Figure4–PlantCommunityMap .....................................................................................47Figure5–EstimatedArealExtentof2011WetlandHydrology .........................................48

CoverPhoto:FacingnorthwestoverlookingWetlandSite1.

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IntroductionandSiteDescriptionWetlandmitigationsitemonitoringwasconductedontheEckmann/BischoffWetlandMitigationSite,locatedapproximately1.4miwestofCollinsville,insouthwesternMadisonCounty,Illinois(AppendixC,Figure1).ThesiteconsistsoftwoadjacentareasthatwereacquiredbytheIllinoisDepartmentofTransportation(IDOT)formitigationoflostwetlands.TheEckmannPropertywasacquiredin1995andtheBischoffPropertyin1997.PriortoacquisitionbyIDOT,bothsiteswerecropland.Sinceacquisition,bothsiteshavebeenallowedtoreverttonaturalvegetation;nothinghasbeenplantedateithersite.TheEckmann/BischoffWetlandMitigationSiteisapproximately59.46acresinsizeandislocatedintheAmericanBottoms,thebroadfloodplainoftheMississippiRivereastofSt.Louis.Thepre‐settlementenvironmentofthisareaconsistedofbottomlandforest,marsh,wetprairieandmesicprairie(Schwegmanetal.1973).Oxbowlakesandsloughswerealsocommoninthisregion,withmanyofthempersistingtothisday.TheEckmann/BischoffWetlandMitigationSiteislocatedwithinasediment‐filledoxbowoftheMississippiRiver(Rorick,1994).BorderingtheEckmann‐BischoffWetlandMitigationSitetothesouthisSchneiderDitch.Alarge,wetfloodplainforestcalledLeveeLakeislocatedtothesouthofSchneiderDitch.LeveeLakewasrecognizedasanaturalareabytheIllinoisNaturalAreasInventory.AgradeBshrubswamp/pondoccurswithinthenaturalarea.TotheeastoftheEckmann‐BischoffWetlandMitigationSiteareanotherdrainageditchandawetfloodplainforest(theRadicProperty).Theareanorthofthesiteismarshandcropland.WestofthesiteistheCahokiaCanal.Aleveewithsteepembankmentsseparatesthesitefromthecanal.Severalreportsonthissitehavebeenpreviouslysubmitted.Rorick(1994)evaluatedthepotentialforwetlandhydrologyontheEckmannProperty.MitigationsiteassessmentswerecompletedfortheEckmannProperty(Plocher,KetznerandKeene1995)andfortheBischoffProperty(KeeneandKetzner1997).VegetationcovertypemappingandawetlandsurveywereconductedbyKetzneretal.(2001).Monitoringwellshavebeeninstalled,andtheIllinoisStateGeologicalSurvey(ISGS)hasbeencollectingdatatoassessthehydrologyofthesite.WellswerefirstinstalledontheEckmannPropertyinearly1997andontheBischoffPropertymidwayintothegrowingseasonof2000.TheISGShassubmittedseveralreportsdetailingresultsofhydrologicmonitoring.TheIllinoisNaturalHistorySurvey(INHS)moniteredthesitein2002(Larimoreetal.2002)and2003(Larimoreetal.2004).Monitoringwasdiscontinuedforseveralyearsbutresumedin2008.ThemitigationsiteassessmentwasconductedontheEckmannPropertyinNovemberof1994(Plocher,KetznerandKeene1995).Atthattime,thesitewasawetagriculturalfieldthathadnotbeencroppedthatgrowingseason.Thesitewasmostlydominatedbyweedyherbaceousspeciestypicalofdisturbed,wetsites.AmitigationsiteassessmentfortheBischoffPropertywasconductedinAprilof1997(KeeneandKetzner1997).Atthattime,thesitewasfallowcroplandthatwasplantedthepreviousseason.Vegetationconsistedofalowcoverofherbaceousspecies,mostofwhichwereannuals.Nowoodyplantswerepresent.In2000,

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threevegetationcovertypeswerefoundatthesite:marsh,wetshrublandandforbland(Ketzneretal.2001).For2011,fieldmonitoringofthemitigationsitewasconductedon24Augustand24October.Thisreportdetailsresultsofthefourthcontinuousyearofmonitoring.ResultsofotheryearsofmonitoringcanbefoundinLarimoreetal.(2002),Larimoreetal.(2004),Larimoreetal.(2008),Larimoreetal.(2010)andLarimore,PlocherandMarcum(2011).MonitoringwillcontinueonthesiteuntilfurthernoticeisreceivedfromtheIDOT,andadditionalannualreportswillfollow.MethodsAllpotentialwetlandswithinthespecifiedstudyareawereexamined.Characteristicsofvegetation,soils,hydrologyandtopographywereevaluatedduringfieldinvestigationandon‐sitewetlanddetermination.Locationsofobservationpointsforwetlanddeterminationswereselectedbasedonplantcommunitybordersandtopographicchanges.Thefollowingsourceswereexaminedwhilesurveyingtheprojectcorridortodeterminewetlandlocationsandboundaries:aerialphotographs;U.S.GeologicalSurveytopographicmap(MonksMound7.5minutequadrangle);NationalWetlandsInventory(NWI)map(MonksMound7.5minutequadrangle)(U.S.FishandWildlifeService);IllinoisWetlandsInventory(U.S.FishandWildlifeService,IllinoisDepartmentofNaturalResources,IllinoisNaturalHistorySurvey1996);NationalListofPlantSpeciesthatOccurinWetlands:Illinois(Reed1988);RevisionsoftheNationalListofPlantSpeciesthatOccurinWetlands(Reed1997);theCorpsofEngineersWetlandsDelineationManual(EnvironmentalLaboratory1987);theUSDA‐NRCSOfficialSeriesDescriptions;andtheUSDA‐NRCSWebSoilSurvey.Positionalinaccuraciesareknowntooccurwithdownloadedsourcesofdigitaldatalistedabove.Aspresentedonmapsandfiguresinthisreport,datacanbeshiftedfromtheiractualpositionwhencomparedtomodernaerialphotography.WetlanddeterminationswereconductedusingdefinitionsandguidelinesestablishedintheCorpsofEngineersWetlandsDelineationManual(EnvironmentalLaboratory1987).DatafromthesedeterminationswererecordedonU.S.ArmyCorpsofEngineers’WetlandDeterminationDataForms(AppendixA);adataformwascompletedforeachwetland.Allpotentialwetlands,includingallareasmappedaswetlandsbytheNWI,weredescribed.Resultsofthesedeterminationsaresummarizedinthefollowingtext.Adjacentuplandareaswerealsoinvestigated;formswerenotcompletedfortheseareas.Determinationofdominantvegetationwasbasedonvisualestimatesofpercentcoverofplantspecieswithinthevegetationunitasawhole.ComprehensiveplantspecieslistswerecompiledforeachwetlanddelineationsiteandarepresentedinAppendixB.PersonnelfromtheIllinoisStateGeologicalSurvey(ISGS),usingaground‐waterandsurface‐watermonitoringnetwork,havemonitoredhydrologyofthesiteyearlysince2009.Theirdata,alongwithourobservationsofwetlandhydrologyfieldindicators,wereusedinmakingwetlanddeterminations.AcopyoftheISGSestimatedarealextentof2011wetlandhydrologycanbefoundinAppendixC(Figure5).

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WetlandboundarieswererecordedusingaTrimbleGlobalPositioningSystem(eithermodelPathfinderProXRorPathfinderProXRS),withapresumedaccuracyof+/‐0.5munderoptimalfieldconditions.SpatialdataweredigitallyuploadedtotheIllinoisSiteAssessmentTrackingSystem(http://frostycap.isgs.uiuc.edu/idot_extranet).Locationsofdeterminationsiteswereoverlaidonadigitalorthophotoquadrangle(DOQ)andapproximateareawasdeterminedforeachwetlandsiteusingArcGIS10.0software(ESRI2010).Resultingareasarecalculatedinacres,reportedtotwodecimalplaces.Eachnativeplantspecieswasassigneda“coefficientofconservatism”(C)(Taftetal.1997),asubjectiveratingofspeciesfidelitytoundegradednaturalcommunities,rangingfromzerototen.Conservativespecies‐thosemorelikelytobefoundin“pristine”naturalareas‐wereassignedhighnumbers,whereasnon‐conservativespecies‐thosethatoccurinanthropogenicallydisturbedareas‐weregivenlowernumbers.Non‐nativespeciesandthosenotidentifiabletospecieslevelwerenotassignedarating.TheFloristicQualityIndex(FQI)iscomputedasFQI=(meanC)X(√N),wheremeanCisthemeancoefficientofconservatismforallnativeplantspeciesatasiteandNisthetotalnumberofnativeplantspeciesatthesite.Inverygeneralterms,higherFQIvaluesforplantcommunitiesindicatemoresimilarityto“pristine”naturalareas,ascomparedtothosecommunitieswithlowerFQIvalues.BotanicalnomenclaturefollowsVascularFloraofIllinois(Mohlenbrock2002).VegetationFourplantcommunitiesarepresentwithintheprojectarea(Table1).Themarshisthelargestplantcommunityatthesite(AppendixC,Figure4),coveringapproximately32.21acres.Itoccursonthelowestgroundofthesiteandissubjecttofrequentandprolongedinundation.Tallgraminoidplantsdominatethiscommunity,andwoodyplantsareinfrequent.Thedominantplantsareriverbulrush(Bolboschoenusfluviatilis),galingale(Cyperusodoratus)andnarrow‐leavedcattail(Typhaangustifolia).TheFQIforthiscommunityis18.1andthemeanCvalueis2.7(AppendixB,Site1).Thesevaluesareindicativeoffairnaturalquality.Themarshmeetsallwetlandcriteriaand,therefore,wasdeterminedtobeawetland.Wetfloodplainforestcanbefoundinfourareasofthesite(AppendixC,Figure4).Thisforestisrelativelyyounggrowth,withallofthetreeslessthan20yearsold.Thefourareasofwetfloodplainforesttogethercoverapproximately19.43acresofthesite.Dominantwoodyplantsaregreenash(Fraxinuslanceolata),sycamore(Platanusoccidentalis),cottonwood(Populusdeltoides),peach‐leavedwillow(Salixamygdaloides)andsandbarwillow(Salixinterior).Dominantherbsvarybetweenthefourareas(Table1).Thefourareasofwetfloodplainforestmeetallwetlandcriteriaand,therefore,weredeterminedtobewetlands.TheshrublandcommunityislocatedonthehighestgroundattheEckmann/BischoffWetlandMitigationSite,andistheonlyplantcommunityatthesitethatisnotwetland.Thiscommunityisdominatedbyshrubbyeasternredcedar(Juniperusvirginiana)andwhitemulberry(Morusalba)andtheherbsgiantragweed(Ambrosiatrifida),Jerusalemartichoke(Helianthustuberosus),sericealespedeza(Lespedezacuneata)andCanadagoldenrod(Solidago

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canadensis).TheFQIforthiscommunityis20.0andthemeanCvalueis2.4(AppendixB,Site5).Thesevaluesareindicativeofgoodnaturalquality.Theshrublandcommunitycoversapproximately5.49acresofthesite(AppendixC,Figure4).Thewetmeadowcommunityisdominatedbytheherbsswampmarigold(Bidensaristosa),shorelinesedge(Carexhyalinolepis),ricecutgrass(Leersiaoryzoides)andcommonreed(Phragmitesaustralis).TheFQIforthiscommunityis16.1andthemeanCvalueis2.9(AppendixB,Site7).Thesevaluesareindicativeoffairnaturalquality.Thisplantcommunitycoversapproximately2.31acresofthesite(AppendixC,Figure4).Thewetmeadowmeetsallwetlandcriteriaand,therefore,wasdeterminedtobeawetland.Table1.Plantcommunitieswithintheprojectarea._____________________________________________________________________________A Marsh(WetlandSite1) DominantPlantSpecies Herbs‐Bolboschoenusfluviatilis,CyperusodoratusandTyphaangustifoliaB WetFloodplainForest(WetlandSites2,3,4and6) DominantPlantSpecies Trees‐Fraxinuslanceolata,Platanusoccidentalis,Populusdeltoides andSalixamygdaloides Saplings‐Fraxinuslanceolata,PopulusdeltoidesandSalixinterior Herbs‐Ambrosiatrifida,Asterlanceolatus,Carexhyalinolepis,Echinochloamuricata, Helianthustuberosus,Leersiaoryzoides,Lespedezacuneata, Phragmitesaustralis,ToxicodendronradicansandTyphaangustifoliaC Shrubland(Site5) DominantPlantSpecies Sapling/Shrub‐JuniperusvirginianaandMorusalba Herbs‐Ambrosiatrifida,Helianthustuberosus,Lespedezacuneata andSolidagocanadensisD WetMeadow(WetlandSite7) DominantPlantSpecies Herbs‐Bidensaristosa,Carexhyalinolepis,LeersiaoryzoidesandPhragmitesaustralis_____________________________________________________________________________

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SoilsThesoilsurveyofMadisonCounty(SoilSurveyStaff,NaturalResourcesConservationService,UnitedStatesDepartmentofAgriculture)originallyhadBeaucoupsiltyclayloam,WakelandsiltloamandBirdssiltloammappedatthissite.Afterconductingthefieldinvestigationofthesite,itwasdeterminedthatBirdssiltloam,Ottersiltloam,BeaucoupsiltyclayloamandPetroliasiltyclayloamwerepresentinthisarea.Allthesesoilsarebottomlandpoorly(hydric)drainedsoils.Soilpermeabilityismoderatetomoderatelyslowinallofthesoilsmentionedabove.Allofthesesoilsareratedasgoodforpotentialforwetlandplantsandwetlandwildlife.Watertabledepthvariedwitheachsite.Moredetailedsoilsinformationcanbefoundwithinthewetlanddeterminationforms(AppendixA).HydrologyThehydrologicinputsatthissiteappeartobeprecipitation,sheetflowfromhighergroundtothenorth(cropland)andwest(thelevee),fromoverflowofawetlandtotheeast(theRadicProperty),andfrombackflowviaSchneiderDitchthroughaculvert(Rorick1994).SchneiderDitchemptiesintotheCahokiaCanalnearthesouthwestcornerofthesite.DuringperiodsofhighwaterintheCahokiaCanal,partsofthemitigationsiteprobablyreceivefloodingfromthecanalasbackflowviaSchneiderDitch.Inaddition,theCahokiaCanalissubjecttobackwaterfloodingfromtheMississippiRiver(Rorick1994).Althoughwithinitshistoricalfloodplain,theareanolongerreceivesdirectfloodingfromtheMississippiRiverbecauseofaleveesystem.Waterleavesthesitebywayofsoilinfiltration,evapotranspiration,andbysheetflowintoSchneiderDitch.InundationoftheEckmann/BischoffWetlandMitigationSiteappearstobehighestwhenbeaverdamSchneiderDitch,resultinginincreasedbackflowontothesite.Whenbeaverdamsarebrokenaspartofditchmaintenance,sheetflowawayfromthemitigationsiteincreases.BeaverdamswereobservedonSchneiderDitchinNovemberof2010(Larimore,PlocherandMarcum2011).However,nofunctioningdamswerefoundin2011.Anoldbeaverdamwaslocatedbutithadbeenbreached,apparentlyduringditchmaintenance.Atthetimeofthefieldsurvey,waterlevelswereverylow,withonlyasmallamountofstandingwaterneartheoldculvertsitefeedingintoSchneiderDitch.Mineretal.(2011)estimatedthattheentiresitesatisfiedthewetlandhydrologycriteriaformorethan5%ofthe2011growingseason,andtheareaofthesitethatsatisfiedwetlandhydrologyformorethan12.5%ofthe2011growingseasonwasestimatedtobe27.9acres(AppendixC,Figure5).In2010,theareaofthesitethatsatisfiedthewetlandhydrologycriteriaformorethan5%ofthegrowingseasonwas55.9acres,andtheareaofthesitethatsatisfiedthewetlandhydrologycriteriaformorethan12.5%ofthegrowingseasonwas51.6acres(Mineretal.2010).Fuccioloetal.(2009)estimatedthattheentiresitesatisfiedthewetlandhydrologycriteriaformorethan5%ofthe2009growingseason,whiletheareaofthesitethatsatisfiedthewetlandhydrologycriteriaformorethan12.5%ofthegrowingseasonwas56.0acres.

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TheUSGShydrologicunitcodeforthisbasinis07140101(Cahokia‐Joachim.Illinois,Missouri).ThewatershedsizeoftheCahokiaCanalatthepointwhereSchneiderDitchemptiesintoitis

approximately51.3mi2.WetlandSiteSummariesSiteNumber:1Communitytype:MarshNationalWetlandsInventorycode:U(upland)Sitelocation:Approximately70fteastofleveeHydrophyticvegetation?Yes Hydricsoils?Yes Wetlandhydrology?YesIsthissiteawetland?YesSitearea:32.21acresMeanCoefficientofConservatism(meanC):2.7 FloristicQualityIndex(FQI):18.1SiteNumber:2Communitytype:WetFloodplainForestNationalWetlandsInventorycode:U(upland)Sitelocation:Approximately62ftnorthofSchneiderDitchHydrophyticvegetation?Yes Hydricsoils?Yes Wetlandhydrology?YesIsthissiteawetland?YesSitearea:0.39acreMeanCoefficientofConservatism(meanC):2.4 FloristicQualityIndex(FQI):11.8SiteNumber:3Communitytype:WetFloodplainForestNationalWetlandsInventorycode:U(upland)Sitelocation:Approximately463fteastofleveeHydrophyticvegetation?Yes Hydricsoils?Yes Wetlandhydrology?YesIsthissiteawetland?YesSitearea:7.68acresMeanCoefficientofConservatism(meanC):2.1 FloristicQualityIndex(FQI):12.0SiteNumber:4Communitytype:WetFloodplainForestNationalWetlandsInventorycode:U(upland)Sitelocation:Approximately40fteastofleveeHydrophyticvegetation?Yes Hydricsoils?Yes Wetlandhydrology?YesIsthissiteawetland?YesSitearea:11.19acresMeanCoefficientofConservatism(meanC):2.9 FloristicQualityIndex(FQI):24.0Comments:Twoplantsofthedecurrentfalseaster(Boltoniadecurrens)werefoundatthissite.

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SiteNumber:5Communitytype:ShrublandNationalWetlandsInventorycode:U(upland)Sitelocation:Approximately58fteastofleveeHydrophyticvegetation?No Hydricsoils?Yes Wetlandhydrology?NoIsthissiteawetland?NoSiteNumber:6Communitytype:WetFloodplainForestNationalWetlandsInventorycode:U(upland)Sitelocation:Approximately81fteastofleveeHydrophyticvegetation?Yes Hydricsoils?Yes Wetlandhydrology?YesIsthissiteawetland?YesSitearea:0.17acresMeanCoefficientofConservatism(meanC):2.5 FloristicQualityIndex(FQI):16.1SiteNumber:7Communitytype:WetMeadowNationalWetlandsInventorycode:U(upland)Sitelocation:Approximately55fteastofleveeHydrophyticvegetation?Yes Hydricsoils?Yes Wetlandhydrology?YesIsthissiteawetland?YesSitearea:2.31acresMeanCoefficientofConservatism(meanC):2.9 FloristicQualityIndex(FQI):16.1Threatened/EndangeredSpeciesandNaturalCommunitiesofSpecialInterestTwoplantsofthedecurrentfalseaster(Boltoniadecurrens)werefoundin2011atWetlandSite4(wetfloodplainforest).ThedecurrentfalseasteriscurrentlylistedasfederallythreatenedandthreatenedwithinthestateofIllinois(U.S.FishandWildlifeService1990,IllinoisEndangeredSpeciesProtectionBoard2005).ThisplantwasfirstreportedfromtheEckmann/BischoffWetlandMitigationSitebyKetzneretal.(2001).Atthattime,twoplantswerelocatedintheforblandcommunity,inwhatisnowWetlandSite3(wetfloodplainforest).However,noplantswerefoundinWetlandSite3in2011.Nonaturalcommunitiesofspecialinterestwerenoted. DiscussionBasedonourfieldworkandwelldatacollectedbytheIllinoisStateGeologicalSurvey,weestimatethatapproximately53.95acresofthesitesatisfiedallwetlandcriteriain2011.Mineretal.(2011)estimatedthattheentiresitesatisfiedthewetlandhydrologycriteriaformorethan5%ofthe2011growingseason,andtheareaofthesitethatsatisfiedwetlandhydrologyformorethan12.5%ofthe2011growingseasonwasestimatedtobe27.9acres(AppendixC,

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Figure5).Althoughtheentiresitesatisfiedthewetlandhydrologycriteriaformorethan5%ofthegrowingseason,notallofithasdominanthydrophyticvegetation.Dominantsintheshrublandcommunity(WetlandSite5)includethreespeciesthatarenothydrophytes:easternredcedar(Juniperusvirginiana),sericealespedeza(Lespedezacuneata)andCanadagoldenrod(Solidagocanadensis).TheshrublandislocatedonthehighestgroundattheEckmann/BischoffWetlandMitigationSite,inanareahasnothaddominanthydrophyticvegetationanytimesinceourinvolvementwiththisprojectbegan(KeeneandKetzner1997;Ketzneretal.2001;Larimore,PlocherandMarcum2011).Giventherelativelyhightopographyofthearea,itseemsunlikelythatdominanthydrophyticvegetationwilldevelopanytimesoon.Hydricsoilsappeartobepresentthroughouttheentirewetlandcompensationarea.Vegetationqualityoftheplantcommunitiesatthesiterangesfromfairtogood(AppendixB),anddecurrentfalseaster(Boltoniadecurrens),afederallythreatenedspecies,wasrelocatedatthesitein2011.However,thenon‐nativecommonreed(Phragmitesaustralis),narrow‐leavedcattail(Typhaangustifolia),andsericealespedeza(Lespedezacuneata)continuetobedominantinoneormoreoftheplantcommunitiesatthesite.Larimore,PlocherandMarcum(2011)recommendedtheuseofglyphosateforcontrolofcommonreed.However,giventhecurrentabundanceofthisnoxiousweedatthesite,itseemsunlikelythatcontrolwithherbicidewillbepossible.Thisreportdetailsresultsofthefourthconsecutiveyearofmonitoringatthissite.Ifmoreintensivemonitoringisneeded,theIDOTshouldnotifytheIllinoisNaturalHistorySurveypriortothebeginningofthegrowingseason.Monitoringwillcontinueatthissiteuntilfurthernoticeisreceived.

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Agriculture.WebSoilSurvey.Availableonlineathttp://websoilsurvey.nrcs.usda.gov/[AccessedAugust2011].

Taft,J.B.,G.S.Wilhelm,D.M.LaddandL.A.Masters.1997.Floristicqualityassessmentfor

vegetationinIllinois:amethodforassessingvegetationintegrity.Erigenia15:3‐95.U.S.FishandWildlifeService.1990.Decurrentfalseasterrecoveryplan.U.S.Fishand

WildlifeService,TwinCities,Minnesota.26pp.

14

APPENDIXA

WetlandDeterminationForms

15

ROUTINE ON-SITE WETLAND DETERMINATION Site 1 (page 1 of 2)

Field Investigators: Ketzner and Keene Date: 24 August 2011 Project Name: Eckmann/Bischoff Wetland Mitigation Site State: Illinois County: Madison Applicant: IDOT District 8 Site Name: Marsh Legal Description: Sec. 25, T3N, R9W Location: 70 ft east of levee

Do normal environmental conditions exist at this site? Yes: X No: Have the vegetation, soils, or hydrology been significantly disturbed? Yes: No: X VEGETATION Dominant Plant Species Indicator Status Stratum 1. Bolboschoenus fluviatilis OBL herb 2. Cyperus odoratus OBL herb 3. Typha angustifolia OBL herb Percentage of dominant species that are OBL, FACW, FAC+, or FAC: 100%

Hydrophytic vegetation: Yes: X No: Rationale: More than 50% of the dominants are OBL, FACW, FAC+ or FAC. SOILS Series and phase: NRCS mapped Wakeland silt loam and Beaucoup silty clay loam, classified as Petrolia silty clay loam On Madison County hydric soils list? Yes: No: X Is the soil a histosol? Yes: No: X Histic epipedon present? Yes: No: X Redox concentrations: Yes: X No: Redox depletions: Yes: No: X Matrix color: N 4/ Other indicators: This soil is found in a low area. Hydric soils: Yes: X No: Rationale: This soil has a gleyed matrix and iron masses. This soil meets the

NRCS hydric soil indicator F2 (loamy gleyed matrix).

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Field Investigators: Ketzner and Keene Date: 24 August 2011 Project Name: Eckmann/Bischoff Wetland Mitigation Site State: Illinois County: Madison Applicant: IDOT District 8 Site Name: Marsh Legal Description: Sec. 25, T3N, R9W Location: 70 ft east of levee

HYDROLOGY Inundated? Yes: X (in part) No: Depth of standing water: to approximately 3 in Depth to saturated soil: at surface to approximately 25 in Overview of hydrological flow through the system: This site receives water through precipitation, sheet flow from adjacent higher ground, and possibly from backflow via Schneider Ditch (Rorick 1994). Water leaves the site via evapotranspiration and by sheet flow into Schneider Ditch. Size of watershed: < 5 mi2 Other field evidence observed: This site is lower than ground to the north and the west. Well data indicated that most of this site satisfied the wetland hydrology criteria for more than 12.5% of the 2011 growing season (Miner et al. 2011). All of the site satisfied the wetland hydrology criteria for more than 5% of the 2011 growing season, and has dominant hydrophytic vegetation and hydric soils. Wetland hydrology: Yes: X No: Rationale: The relatively low landscape position and well data collected

throughout the 2011 growing season indicate that wetland hydrology is present. In our opinion, this site is flooded or saturated long enough to meet the wetland hydrology criterion.

DETERMINATION AND RATIONALE:

Is the site a wetland? Yes: X No: Rationale for decision: Dominant hydrophytic vegetation, hydric soils,

and wetland hydrology are all present. This site meets all of the wetland criteria. The NWI codes this site as U (upland).

Determined by: David Ketzner (vegetation, hydrology and GPS) Dennis Keene (soils and hydrology) University of Illinois Prairie Research Institute Illinois Natural History Survey 1816 South Oak Street Champaign, Illinois 61820 (217) 244-8821 (Ketzner)

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Field Investigators: Ketzner and Keene Date: 24 August 2011 Project Name: Eckmann/Bischoff Wetland Mitigation Site State: Illinois County: Madison Applicant: IDOT District 8 Site Name: Wet Floodplain Forest Legal Description: Sec. 25, T3N, R9W Location: 62 ft north of Schneider Ditch

Do normal environmental conditions exist at this site? Yes: X No: Have the vegetation, soils, or hydrology been significantly disturbed? Yes: No: X VEGETATION Dominant Plant Species Indicator Status Stratum 1. Fraxinus lanceolata FACW tree 2. Fraxinus lanceolata FACW sapling 3. Echinochloa muricata OBL herb 4. Leersia oryzoides OBL herb 5. Typha angustifolia OBL herb Percentage of dominant species that are OBL, FACW, FAC+, or FAC: 100%

Hydrophytic vegetation: Yes: X No: Rationale: More than 50% of the dominants are OBL, FACW, FAC+ or FAC. SOILS Series and phase: NRCS mapped Beaucoup silty clay loam, classified as Petrolia silty clay loam On Madison County hydric soils list? Yes: No: X Is the soil a histosol? Yes: No: X Histic epipedon present? Yes: No: X Redox concentrations: Yes: X No: Redox depletions: Yes: No: X Matrix color: N 4/ Other indicators: This soil is found in a low area. Hydric soils: Yes: X No: Rationale: This soil has a gleyed matrix and iron masses. This soil meets the

NRCS hydric soil indicator F2 (loamy gleyed matrix).

18


Field Investigators: Ketzner and Keene Date: 24 August 2011 Project Name: Eckmann/Bischoff Wetland Mitigation Site State: Illinois County: Madison Applicant: IDOT District 8 Site Name: Wet Floodplain Forest Legal Description: Sec. 25, T3N, R9W Location: 62 ft north of Schneider Ditch

HYDROLOGY Inundated? Yes: No: X Depth of standing water: n/a Depth to saturated soil: to approximately 40 in Overview of hydrological flow through the system: This site receives water through precipitation, sheet flow from nearby higher ground, and possibly from backflow via Schneider Ditch (Rorick 1994). Water leaves the site via evapotranspiration and sheet flow onto adjacent lower ground (Wetland Site 1). Size of watershed: < 5 mi2 Other field evidence observed: In 2011, this site satisfied the wetland hydrology criteria for more than 12.5% of the growing season (Miner et al. 2011). Oxidized root zones, water-stained leaves, water marks and water-borne sediment deposits were observed at this site. Wetland hydrology: Yes: X No: Rationale: Well data collected throughout the 2011 growing season and other

field evidence indicate that wetland hydrology is present. In our opinion, this site is flooded or saturated long enough to meet the wetland hydrology criterion.





19


Field Investigators: Ketzner and Keene Date: 24 August 2011 Project Name: Eckmann/Bischoff Wetland Mitigation Site State: Illinois County: Madison Applicant: IDOT District 8 Site Name: Wet Floodplain Forest Legal Description: Sec. 25, T3N, R9W Location: 463 ft east of levee

Do normal environmental conditions exist at this site? Yes: X No: Have the vegetation, soils, or hydrology been significantly disturbed? Yes: No: X VEGETATION Dominant Plant Species Indicator Status Stratum 1. Populus deltoides FAC+ tree 2. Salix amygdaloides FACW tree 3. Populus deltoides FAC+ sapling 4. Salix interior OBL sapling 5. Carex hyalinolepis OBL herb 6. Leersia oryzoides OBL herb 7. Phragmites australis FACW+ herb Percentage of dominant species that are OBL, FACW, FAC+, or FAC: 100%

Hydrophytic vegetation: Yes: X No: Rationale: More than 50% of the dominants are OBL, FACW, FAC+ or FAC. SOILS Series and phase: Beaucoup silty clay loam On Madison County hydric soils list? Yes: No: X Is the soil a histosol? Yes: No: X Histic epipedon present? Yes: No: X Redox concentrations: Yes: X No: Redox depletions: Yes: No: X Matrix color: N 4/ Other indicators: This soil is found in a low area. Hydric soils: Yes: X No: Rationale: This soil has a mollic surface matrix with iron masses. This soil

meets the NRCS hydric soil indicator F6 (redox dark surface).

20



HYDROLOGY Inundated? Yes: No: X Depth of standing water: n/a Depth to saturated soil: to approximately 50 in Overview of hydrological flow through the system: This site receives water through precipitation, sheet flow from nearby higher ground, and possibly from backflow via Schneider Ditch (Rorick 1994). Water leaves the site via evapotranspiration and sheet flow onto adjacent lower ground (Wetland Site 1). Size of watershed: < 5 mi2 Other field evidence observed: In 2011, none of the site satisfied the wetland hydrology criteria for more than 12.5% of the growing season (Miner et al. 2011). However, it did satisfy the wetland hydrology criteria for more than 5% of the growing season, and has dominant hydrophytic vegetation and hydric soils. Water marks and morphological plant adaptations (adventitious roots on Salix nigra) were observed at this site. Wetland hydrology: Yes: X No: Rationale: This site satisfied the wetland hydrology criteria for more than 5%

of the 2011 growing season, and also has hydrophytic vegetation and hydric soils.





21



Do normal environmental conditions exist at this site? Yes: X No: Have the vegetation, soils, or hydrology been significantly disturbed? Yes: No: X VEGETATION Dominant Plant Species Indicator Status Stratum 1. Fraxinus lanceolata FACW tree 2. Populus deltoides FAC+ tree 3. Fraxinus lanceolata FACW sapling 4. Aster lanceolatus FACW herb 5. Leersia oryzoides OBL herb 6. Phragmites australis FACW+ herb 7. Toxicodendron radicans FAC+ herb Percentage of dominant species that are OBL, FACW, FAC+, or FAC: 100%

Hydrophytic vegetation: Yes: X No: Rationale: More than 50% of the dominants are OBL, FACW, FAC+ or FAC. SOILS Series and phase: NRCS mapped Beaucoup silty clay loam and Wakeland silt loam, classified as Otter silt loam On Madison County hydric soils list? Yes: No: X Is the soil a histosol? Yes: No: X Histic epipedon present? Yes: No: X Redox concentrations: Yes: X No: Redox depletions: Yes: No: X Matrix color: N 4/ Other indicators: This soil is found in a low area. Hydric soils: Yes: X No: Rationale: This soil has a mollic surface with iron masses. This soil meets the

NRCS hydric soil indicator F6 (redox dark surface).

22



HYDROLOGY Inundated? Yes: No: X Depth of standing water: n/a Depth to saturated soil: > 40 in Overview of hydrological flow through the system: This site receives water through precipitation, sheet flow from adjacent higher ground, and possibly from backflow via Schneider Ditch. Water leaves the site via evapotranspiration and sheet flow onto adjacent lower ground (Wetland Site 1). Size of watershed: < 5 mi2 Other field evidence observed: In 2011, none of the site satisfied the wetland hydrology criteria for more than 12.5% of the growing season (Miner et al. 2011). However, it did satisfy the wetland hydrology criteria for more than 5% of the growing season, and has dominant hydrophytic vegetation and hydric soils. Water-stained leaves, water marks and morphological plant adaptations (adventitious roots on Acer saccharinum) were observed at this site. Wetland hydrology: Yes: X No: Rationale: This site satisfied the wetland hydrology criteria for more than 5%






23


Field Investigators: Ketzner and Keene Date: 24 August 2011 Project Name: Eckmann/Bischoff Wetland Mitigation Site State: Illinois County: Madison Applicant: IDOT District 8 Site Name: Shrubland Legal Description: Sec. 25, T3N, R9W Location: 58 ft east of levee

Do normal environmental conditions exist at this site? Yes: X No: Have the vegetation, soils, or hydrology been significantly disturbed? Yes: No: X VEGETATION Dominant Plant Species Indicator Status Stratum 1. Morus alba FAC sapling/shrub 2. Juniperus virginiana FACU sapling/shrub 3. Ambrosia trifida FAC+ herb 4. Helianthus tuberosus FAC herb 5. Lespedeza cuneata UPL herb 6. Solidago canadensis FACU herb Percentage of dominant species that are OBL, FACW, FAC+, or FAC: 50%

Hydrophytic vegetation: Yes: No: X Rationale: Only 50% of the dominants are OBL, FACW, FAC+ or FAC. SOILS Series and phase: NRCS mapped Wakeland silt loam, Birds silt loam and Beaucoup silty clay loam, classified as Birds silt loam On Madison County hydric soils list? Yes: X No: Is the soil a histosol? Yes: No: X Histic epipedon present? Yes: No: X Redox concentrations: Yes: X No: Redox depletions: Yes: No: X Matrix color: 10YR 4/1 Other indicators: This soil is found in a low area. Hydric soils: Yes: X No: Rationale: This soil has a depleted matrix with iron masses. This soil meets

the NRCS hydric soil indicator F3 (depleted matrix).

24


Field Investigators: Ketzner and Keene Date: 24 August 2011 Project Name: Eckmann/Bischoff Wetland Mitigation Site State: Illinois County: Madison Applicant: IDOT District 8 Site Name: Shrubland Legal Description: Sec. 25, T3N, R9W Location: 58 ft east of levee

HYDROLOGY Inundated? Yes: No: X Depth of standing water: n/a Depth to saturated soil: > 40 in Overview of hydrological flow through the system: This site receives water through precipitation and sheet flow from adjacent higher ground (a levee). Water leaves the site via evapotranspiration and sheet flow onto adjacent lower ground (Wetland Sites 1, 6 and 7). Size of watershed: < 5 mi2 Other field evidence observed: In 2011, none of the site satisfied the wetland hydrology criteria for more than 12.5% of the growing season (Miner et al. 2011). It did satisfy the wetland hydrology criteria for more than 5% of the growing season and has hydric soils. However, dominant hydrophytic vegetation is absent. Wetland hydrology: Yes: No: X Rationale: Although this site satisfied the wetland hydrology criteria for more

than 5% of the 2011 growing season, it does not have dominant hydrophytic vegetation.


Is the site a wetland? Yes: No: X Rationale for decision: Although hydric soils are present, dominant

hydrophytic vegetation and wetland hydrology are absent. The NWI codes this site as U (upland).


25


Field Investigators: Ketzner and Keene Date: 24 August 2011 Project Name: Eckmann/Bischoff Wetland Mitigation Site State: Illinois County: Madison Applicant: IDOT District 8 Site Name: Floodplain Forest Legal Description: Sec. 25, T3N, R9W Location: 81 ft east of levee

Do normal environmental conditions exist at this site? Yes: X No: Have the vegetation, soils, or hydrology been significantly disturbed? Yes: No: X VEGETATION Dominant Plant Species Indicator Status Stratum 1. Platanus occidentalis FACW tree 2. Ambrosia trifida FAC+ herb 3. Helianthus tuberosus FAC herb 4. Lespedeza cuneata UPL herb Percentage of dominant species that are OBL, FACW, FAC+, or FAC: 75%

Hydrophytic vegetation: Yes: X No: Rationale: More than 50% of the dominants are OBL, FACW, FAC+ or FAC. SOILS Series and phase: NRCS mapped Beaucoup silty clay loam and Birds silt loam, classified as Birds silt loam On Madison County hydric soils list? Yes: X No: Is the soil a histosol? Yes: No: X Histic epipedon present? Yes: No: X Redox concentrations: Yes: X No: Redox depletions: Yes: No: X Matrix color: 10YR 4/2 Other indicators: This soil is found in a low area. Hydric soils: Yes: X No: Rationale: This soil has a depleted matrix with iron masses. This soil meets

the NRCS hydric soil indicator F3 (depleted matrix).

26


Field Investigators: Ketzner and Keene Date: 24 August 2011 Project Name: Eckmann/Bischoff Wetland Mitigation Site State: Illinois County: Madison Applicant: IDOT District 8 Site Name: Floodplain Forest Legal Description: Sec. 25, T3N, R9W Location: 81 ft east of levee

HYDROLOGY Inundated? Yes: No: X Depth of standing water: n/a Depth to saturated soil: > 50 in Overview of hydrological flow through the system: This site receives water through precipitation and sheet flow from adjacent higher ground (a levee). Water leaves the site via evapotranspiration. Size of watershed: < 5 mi2 Other field evidence observed: In 2011, none of the site satisfied the wetland hydrology criteria for more than 12.5% of the growing season (Miner et al. 2011). However, it did satisfy the wetland hydrology criteria for more than 5% of the growing season, and has dominant hydrophytic vegetation and hydric soils. Wetland hydrology: Yes: X No: Rationale: This site satisfied the wetland hydrology criteria for more than 5%






27


Field Investigators: Ketzner and Keene Date: 24 October 2011 Project Name: Eckmann/Bischoff Wetland Mitigation Site State: Illinois County: Madison Applicant: IDOT District 8 Site Name: Wet Meadow Legal Description: Sec. 25, T3N, R9W Location: 55 ft east of levee

Do normal environmental conditions exist at this site? Yes: X No: Have the vegetation, soils, or hydrology been significantly disturbed? Yes: No: X VEGETATION Dominant Plant Species Indicator Status Stratum 1. Bidens aristosa FACW herb 2. Carex hyalinolepis OBL herb 3. Leersia oryzoides OBL herb 4. Phragmites australis FACW+ herb Percentage of dominant species that are OBL, FACW, FAC+, or FAC: 100%

Hydrophytic vegetation: Yes: X No: Rationale: More than 50% of the dominants are OBL, FACW, FAC+ or FAC. SOILS Series and phase: NRCS mapped Wakeland silt loam, classified as Otter silt loam On Madison County hydric soils list? Yes: No: X Is the soil a histosol? Yes: No: X Histic epipedon present? Yes: No: X Redox concentrations: Yes: X No: Redox depletions: Yes: No: X Matrix color: 10YR 4/1 Other indicators: This soil is found in a low area. Hydric soils: Yes: X No: Rationale: This soil has a mollic surface with iron masses. This soil meets the

NRCS hydric soil indicator F6 (redox dark surface).

28


Field Investigators: Ketzner and Keene Date: 24 October 2011 Project Name: Eckmann/Bischoff Wetland Mitigation Site State: Illinois County: Madison Applicant: IDOT District 8 Site Name: Wet Meadow Legal Description: Sec. 25, T3N, R9W Location: 55 ft east of levee

HYDROLOGY Inundated? Yes: No: X Depth of standing water: n/a Depth to saturated soil: > 40 in Overview of hydrological flow through the system: This site receives water through precipitation, sheet flow from adjacent higher ground, and possibly from backflow via Schneider Ditch. Water leaves the site via evapotranspiration. Size of watershed: < 5 mi2 Other field evidence observed: In 2011, none of the site satisfied the wetland hydrology criteria for more than 12.5% of the growing season (Miner et al. 2011). However, it did satisfy the wetland hydrology criteria for more than 5% of the growing season, and has dominant hydrophytic vegetation and hydric soils. Wetland hydrology: Yes: X No: Rationale: This site satisfied the wetland hydrology criteria for more than 5%






29

APPENDIXB

WetlandPlantSpeciesList

30

Site1‐Marsh

SPECIESLIST(Dominantspeciesandstrataindicatedbybold)Scientificname Commonname Stratum Wetlandindicator Coefficientof status conservatismAbutilontheophrasti velvet‐leaf herb FACU‐ *Acersaccharinum silvermaple herb FACW 1Alismasubcordatum broad‐leafwater‐plantain herb OBL 2Amaranthustuberculatus tallwaterhemp herb OBL 1Ambrosiatrifida giantragweed herb FAC+ 0Ammanniacoccinea long‐leavedammannia herb OBL 5Ampelopsiscordata raccoongrape woodyvine FAC+ 2Bolboschoenusfluviatilis riverbulrush herb OBL 3Cephalanthusoccidentalis buttonbush shrub OBL 4Cyperuserythrorhizos red‐rootedsedge herb OBL 1Cyperusodoratus galingale herb OBL 1Desmanthusillinoensis Illinoisbundleflower herb FAC‐ 4Diospyrosvirginiana persimmon tree FAC 2Echinochloamuricata barnyardgrass herb OBL 0Ecliptaprostrata yerbadetajo herb FACW 2Eleochariserythropoda red‐rootedspikerush herb OBL 3Eleocharisovataobtusa spikerush herb OBL 2Eleocharispalustris marshspikerush herb OBL 5Eragrostishypnoides ponygrass herb OBL 5Fraxinuslanceolata greenash tree,sapling FACW 2Hibiscuslaevis halberd‐leavedrosemallow herb OBL 4Humulusjaponicus Japanesehops herb FACU *Ipomoealacunosa whitemorning‐glory herb FACW 1Leersiaoryzoides ricecutgrass herb OBL 3Lemnaminor commonduckweed herb OBL 3Leptochloafascicularis saltmeadowgrass herb OBL 0Linderniadubia falsepimpernel herb OBL 5Ludwigiapeploides creepingprimrosewillow herb OBL 5Nelumbolutea waterlotus herb OBL 5Peltandravirginica arrowarum herb OBL 8Persicariaamphibium watersmartweed herb OBL 3Persicariahydropiperoides mildwaterpepper herb OBL 4Persicarialapathifolia curttoplady'sthumb herb FACW+ 0Persicariapensylvanica giantsmartweed herb FACW+ 1Persicariapunctata dottedsmartweed herb OBL 3Persicariavulgaris spottedlady'sthumb herb FACW *Phragmitesaustralis commonreed herb FACW+ *Phylalanceolata fog‐fruit herb OBL 1Polygonumsp. knotweed herb ‐‐‐‐‐‐ ‐‐Populusdeltoides easterncottonwood herb FAC+ 2Rorippapalustris marshyellowcress herb OBL 4Sagittariacalycina arrowleaf herb OBL 6Sagittarialatifolia arrowhead herb OBL 4

*Non‐nativespeciesSpecieslistcontinuedonthefollowingpage.

31

Site1‐Marsh(continued)

SPECIESLIST(Dominantspeciesandstrataindicatedbybold)Scientificname Commonname Stratum Wetlandindicator Coefficientof status conservatismSalixamygdaloides peach‐leavedwillow tree,sapling FACW 4Salixinterior sandbarwillow herb OBL 1Salixnigra blackwillow tree OBL 3Schoenoplectustabernaemontani greatbulrush herb OBL 4Typhaangustifolia narrow‐leavedcattail herb OBL *Typhalatifolia cattail herb OBL 1Xanthiumstrumarium cocklebur herb FAC 0

*Non‐nativespecies mCv=2.7 FQI=18.1

32

Site2‐WetFloodplainForest

SPECIESLIST(Dominantspeciesandstrataindicatedbybold)Scientificname Commonname Stratum Wetlandindicator Coefficientof status conservatismAcersaccharinum silvermaple sapling FACW 1Alismasubcordatum broad‐leafwater‐plantain herb OBL 2Amaranthustuberculatus tallwaterhemp herb OBL 1Ammanniacoccinea long‐leavedammannia herb OBL 5Bolboschoenusfluviatilis riverbulrush herb OBL 3Cyperuserythrorhizos red‐rootedsedge herb OBL 1Echinochloamuricata barnyardgrass herb OBL 0Ecliptaprostrata yerbadetajo herb FACW 2Eleochariserythropoda red‐rootedspikerush herb OBL 3Fraxinuslanceolata greenash tree,sapling,shrub FACW 2Ipomoealacunosa whitemorning‐glory herb FACW 1Leersiaoryzoides ricecutgrass herb OBL 3Linderniadubia falsepimpernel herb OBL 5Ludwigiapeploides creepingprimrosewillow herb OBL 5Penthorumsedoides ditchstonecrop herb OBL 2Persicariahydropiperoides mildwaterpepper herb OBL 4Persicarialapathifolia curttoplady'sthumb herb FACW+ 0Persicariapensylvanica giantsmartweed herb FACW+ 1Persicariavulgaris spottedlady'sthumb herb FACW *Phylalanceolata fog‐fruit herb OBL 1Platanusoccidentalis sycamore tree,sapling FACW 3Sagittarialatifolia arrowhead herb OBL 4Schoenoplectustabernaemontani greatbulrush herb OBL 4Siumsuave waterparsnip herb OBL 5Typhaangustifolia narrow‐leavedcattail herb OBL *Xanthiumstrumarium cocklebur herb FAC 0


33


SPECIESLIST(Dominantspeciesandstrataindicatedbybold)Scientificname Commonname Stratum Wetlandindicator Coefficientof status conservatismAcersaccharinum silvermaple herb FACW 1Alismasubcordatum broad‐leafwater‐plantain herb OBL 2Amaranthustuberculatus tallwaterhemp herb OBL 1Ambrosiatrifida giantragweed herb FAC+ 0Ammanniacoccinea long‐leavedammannia herb OBL 5Apocynumcannabinum dogbane herb FAC 2Asterlanceolatus panicledaster herb FACW 3Bidensfrondosa commonbeggar‐ticks herb FACW 1Bolboschoenusfluviatilis riverbulrush herb OBL 3Carexhyalinolepis shorelinesedge herb OBL 4Cyperusacuminatus taperleafflatsedge herb OBL 2Cyperusodoratus galingale herb OBL 1Diospyrosvirginiana persimmon shrub FAC 2Echinochloamuricata barnyardgrass herb OBL 0Ecliptaprostrata yerbadetajo herb FACW 2Fraxinuslanceolata greenash tree,sapling,shrub FACW 2Ipomoealacunosa whitemorning‐glory herb FACW 1Ivaannua marshelder herb FAC 0Leersiaoryzoides ricecutgrass herb OBL 3Liquidambarstyraciflua sweetgum shrub FACW 6Morusalba whitemulberry herb FAC *Penthorumsedoides ditchstonecrop herb OBL 2Persicariaamphibium watersmartweed herb OBL 3Persicariapunctata dottedsmartweed herb OBL 3Persicariavulgaris spottedlady'sthumb herb FACW *Phragmitesaustralis commonreed herb FACW+ *Phylalanceolata fog‐fruit herb OBL 1Platanusoccidentalis sycamore sapling FACW 3Populusdeltoides easterncottonwood tree,sapling FAC+ 2Sagittarialatifolia arrowhead herb OBL 4Salixamygdaloides peach‐leavedwillow tree,sapling,shrub FACW 4Salixinterior sandbarwillow tree,sapling OBL 1Salixnigra blackwillow tree OBL 3Typhalatifolia cattail herb OBL 1Xanthiumstrumarium cocklebur herb FAC 0


34


SPECIESLIST(Dominantspeciesandstrataindicatedbybold)Scientificname Commonname Stratum Wetlandindicator Coefficientof status conservatismAcalypharhomboidea three‐seededmercury herb FACU 0Acernegundo boxelder tree,sapling,shrub FACW‐ 1Acersaccharinum silvermaple tree,sapling,shrub FACW 1Agalinisgattingeri Gattinger'sfalsefoxglove herb UPL 10Alismasubcordatum broad‐leafwater‐plantain herb OBL 2Ambrosiatrifida giantragweed herb FAC+ 0Ammanniacoccinea long‐leavedammannia herb OBL 5Asclepiasincarnata swampmilkweed herb OBL 4Asterlanceolatus panicledaster herb FACW 3Asterontarionis Ontarioaster herb FAC 4Bidensfrondosa commonbeggar‐ticks herb FACW 1Boehmeriacylindrica falsenettle herb OBL 3Boltoniaasteroides falseaster herb FACW 5Boltoniadecurrens falseaster herb OBL 4Campsisradicans trumpetcreeper woodyvine,herb FAC 2Carexbrachyglossa yellowfoxsedge herb FACW 3Carexcrus‐corvi sedge herb OBL 6Carexhyalinolepis shorelinesedge herb OBL 4Carexlupulina hopsedge herb OBL 5Carexsp. sedge herb ‐‐‐‐‐‐ ‐‐Carextribuloides sedge herb FACW+ 3Cinnaarundinacea stoutwoodreed herb FACW 5Cirsiumdiscolor fieldthistle herb UPL 3Cornusdrummondii rough‐leaveddogwood shrub FAC 2Cuscutasp. dodder herb ‐‐‐‐‐‐ ‐‐Cynanchumlaeve bluevine herb FAC 1Cyperusacuminatus taperleafflatsedge herb OBL 2Cyperusodoratus galingale herb OBL 1Desmodiumpaniculatum panicledticktrefoil herb FACU 2Echinochloamuricata barnyardgrass herb OBL 0Ecliptaprostrata yerbadetajo herb FACW 2Elymusvirginicus Virginiawildrye herb FACW‐ 4Erechtiteshieracifolia fireweed herb FACU 2Eupatoriumserotinum lateboneset herb FAC+ 1Fallopiascandens climbingbuckwheat herb FAC 2Festucaarundinacea tallfescue herb FACU+ *Fraxinuslanceolata greenash tree,sapling,shrub FACW 2Geumcanadense whiteavens herb FAC 2Helianthustuberosus Jerusalemartichoke herb FAC 3Humulusjaponicus Japanesehops herb FACU *Ipomoealacunosa whitemorning‐glory herb FACW 1Leersiaoryzoides ricecutgrass herb OBL 3Leersiavirginica whitegrass herb FACW 4


35

Site4‐WetFloodplainForest(continued)

SPECIESLIST(Dominantspeciesandstrataindicatedbybold)Scientificname Commonname Stratum Wetlandindicator Coefficientof status conservatismLespedezacuneata sericealespedeza herb UPL *Linderniadubia falsepimpernel herb OBL 5Ludwigiapeploides creepingprimrosewillow herb OBL 5Lycopusamericanus commonwaterhorehound herb OBL 3Lycopusvirginicus bugleweed herb OBL 5Menthaarvensisvillosa fieldmint herb FACW 4Mimulusalatus wingedmonkeyflower herb OBL 6Morusalba whitemulberry tree,sapling,shrub FAC *Muhlenbergiafrondosa commonsatingrass herb FACW 3Penthorumsedoides ditchstonecrop herb OBL 2Persicariabicornis smartweed herb FAC 2Persicariacespitosa creepingsmartweed herb UPL *Persicarialapathifolia curttoplady'sthumb herb FACW+ 0Persicariapunctata dottedsmartweed herb OBL 3Persicariavulgaris spottedlady'sthumb herb FACW *Phalarisarundinacea reedcanarygrass herb FACW+ *Phragmitesaustralis commonreed herb FACW+ *Phylalanceolata fog‐fruit herb OBL 1Platanusoccidentalis sycamore tree,sapling FACW 3Populusdeltoides easterncottonwood tree,sapling,shrub FAC+ 2Rubussp. blackberry shrub ‐‐‐‐‐‐ ‐‐Rumexaltissimus paledock herb FACW‐ 2Rumexcrispus curlydock herb FAC+ *Salixamygdaloides peach‐leavedwillow tree,sapling,shrub FACW 4Salixinterior sandbarwillow shrub OBL 1Salixnigra blackwillow tree,sapling,shrub OBL 3Samolusparviflorus brookweed herb OBL 5Scutellarialateriflora mad‐dogskullcap herb OBL 5Setariafaberi giantfoxtail herb FACU+ *Siumsuave waterparsnip herb OBL 5Solidagocanadensis Canadagoldenrod herb FACU 1Solidagogigantea lategoldenrod herb FACW 3Sorghumhalepense Johnsongrass herb FACU *Teucriumcanadense Americangermander herb FACW‐ 3Toxicodendronradicans poisonivy woodyvine,herb FAC+ 1Typhaangustifolia narrow‐leavedcattail herb OBL *Ulmusamericana Americanelm tree,sapling,shrub FACW‐ 5Verbenaurticifolia whitevervain herb FAC+ 3Vitisaestivalis summergrape woodyvine FACU 4Vitisriparia riverbankgrape woodyvine FACW‐ 2Xanthiumstrumarium cocklebur herb FAC 0


36

Site5‐Shrubland

SPECIESLIST(Dominantspeciesandstrataindicatedbybold)Scientificname Commonname Stratum Wetlandindicator Coefficientof status conservatismAcalypharhomboidea three‐seededmercury herb FACU 0Acernegundo boxelder shrub FACW‐ 1Agalinisgattingeri Gattinger'sfalsefoxglove herb UPL 10Alliumvineale fieldgarlic herb FACU *Amaranthustuberculatus tallwaterhemp herb OBL 1Ambrosiaartemisiifolia commonragweed herb FACU 0Ambrosiatrifida giantragweed herb FAC+ 0Ampelopsiscordata raccoongrape woodyvine FAC+ 2Amphicarpaeabracteata hogpeanut herb FAC 4Andropogonvirginicus broomsedge herb FAC‐ 1Apiosamericana groundnut herb FACW 3Apocynumcannabinum dogbane herb FAC 2Asclepiasincarnata swampmilkweed herb OBL 4Asclepiassyriaca commonmilkweed herb UPL 0Asparagusofficinalis gardenasparagus herb FACU *Asterpilosus hairyaster herb FACU‐ 0Bidensaristosa swampmarigold herb FACW 1Bromuscommutatus hairybrome herb UPL *Calystegiasepium bindweed herb FAC 1Carexbrachyglossa yellowfoxsedge herb FACW 3Carexfrankii sedge herb OBL 4Carexhyalinolepis shorelinesedge herb OBL 4Carexsp. sedge herb ‐‐‐‐‐‐ ‐‐Catalpaspeciosa catalpa shrub FACU 0Celtisoccidentalis hackberry shrub FAC‐ 3Cephalanthusoccidentalis buttonbush shrub OBL 4Cinnaarundinacea stoutwoodreed herb FACW 5Cirsiumdiscolor fieldthistle herb UPL 3Conyzacanadensis horseweed herb FAC‐ 0Cornusdrummondii rough‐leaveddogwood shrub FAC 2Cynanchumlaeve bluevine herb FAC 1Daucuscarota Queen‐Anne's‐lace herb UPL *Desmodiumpaniculatum panicledticktrefoil herb FACU 2Desmodiumsp. ticktrefoil herb ‐‐‐‐‐‐ ‐‐Diospyrosvirginiana persimmon tree,sapling,shrub FAC 2Echinochloamuricata barnyardgrass herb OBL 0Elaeagnusumbellata autumnolive shrub UPL *Elymuscanadensis Canadawildrye herb FAC‐ 4Elymusvirginicus Virginiawildrye herb FACW‐ 4Erianthusravennae plumegrass herb FACW *Erigeronannuus annualfleabane herb FAC‐ 1Eupatoriumaltissimum tallboneset herb FACU 2Eupatoriumserotinum lateboneset herb FAC+ 1


37

Site5‐Shrubland(continued)

SPECIESLIST(Dominantspeciesandstrataindicatedbybold)Scientificname Commonname Stratum Wetlandindicator Coefficientof status conservatismFallopiascandens climbingbuckwheat herb FAC 2Festucaarundinacea tallfescue herb FACU+ *Fraxinusamericana whiteash sapling FACU 4Fraxinuslanceolata greenash tree,sapling,shrub FACW 2Geumcanadense whiteavens herb FAC 2Gleditsiatriacanthos honeylocust shrub FAC 2Helianthustuberosus Jerusalemartichoke herb FAC 3Humulusjaponicus Japanesehops herb FACU *Ipomoeahederacea ivy‐leavedmorningglory herb FAC *Juniperusvirginiana easternredcedar sapling/shrub FACU 1Lactucacanadensis Canadalettuce herb FACU+ 1Leersiaoryzoides ricecutgrass herb OBL 3Lespedezacuneata sericealespedeza herb UPL *Liquidambarstyraciflua sweetgum shrub FACW 6Lobeliasiphilitica bluecardinal‐flower herb FACW+ 4Lonicerajaponica Japanesehoneysuckle woodyvine FACU *Loniceramaackii Amurhoneysuckle shrub UPL *Lycopusamericanus commonwaterhorehound herb OBL 3Lysimachianummularia moneywort herb FACW+ *Melilotusalbus whitesweetclover herb FACU *Morusalba whitemulberry tree,sapling/shrub FAC *Muhlenbergiafrondosa commonsatingrass herb FACW 3Oenotherabiennis eveningprimrose herb FACU 1Paspalumpubiflorumglabrum beadgrass herb FACW 3Persicarialapathifolia curttoplady'sthumb herb FACW+ 0Persicariapensylvanica giantsmartweed herb FACW+ 1Persicariapunctata dottedsmartweed herb OBL 3Persicariavulgaris spottedlady'sthumb herb FACW *Phragmitesaustralis commonreed herb FACW+ *Platanusoccidentalis sycamore tree,sapling,shrub FACW 3Populusdeltoides easterncottonwood tree,sapling,shrub FAC+ 2Pyruscalleryana Bradfordpear shrub UPL *Robiniapseudoacacia blacklocust tree,sapling,shrub FACU‐ *Rubustrivialis southerndewberry herb FACU+ 5Rumexcrispus curlydock herb FAC+ *Salixamygdaloides peach‐leavedwillow shrub FACW 4Salixinterior sandbarwillow sapling,shrub OBL 1Salixnigra blackwillow shrub OBL 3Setariafaberi giantfoxtail herb FACU+ *Silphiumperfoliatum cupplant herb FACW‐ 4Solidagocanadensis Canadagoldenrod herb FACU 1Sorghastrumnutans Indiangrass herb FACU+ 4Sorghumhalepense Johnsongrass herb FACU *


38

Site5‐Shrubland(continued)

SPECIESLIST(Dominantspeciesandstrataindicatedbybold)Scientificname Commonname Stratum Wetlandindicator Coefficientof status conservatismStachystenuifolia hedgenettle herb OBL 5Strophostyleshelvola wildbean herb FAC+ 3Symphoricarposorbiculatus coralberry shrub FACU 1Torilisjaponica hedgeparsley herb UPL *Toxicodendronradicans poisonivy woodyvine,herb FAC+ 1Tridensflavus purple‐top herb UPL 1Typhalatifolia cattail herb OBL 1Ulmusamericana Americanelm shrub,herb FACW‐ 5Ulmuspumila Siberianelm shrub UPL *Verbenaurticifolia whitevervain herb FAC+ 3Vitiscinerea wintergrape woodyvine FACW‐ 4Xanthiumstrumarium cocklebur herb FAC 0


39


SPECIESLIST(Dominantspeciesandstrataindicatedbybold)Scientificname Commonname Stratum Wetlandindicator Coefficientof status conservatismAcalypharhomboidea three‐seededmercury herb FACU 0Acernegundo boxelder herb FACW‐ 1Agalinisgattingeri Gattinger'sfalsefoxglove herb UPL 10Alliumvineale fieldgarlic herb FACU *Ambrosiatrifida giantragweed herb FAC+ 0Amphicarpaeabracteata hogpeanut herb FAC 4Antenoronvirginianum Virginiaknotweed herb FAC 3Apocynumcannabinum dogbane herb FAC 2Asclepiassyriaca commonmilkweed herb UPL 0Asterlateriflorus side‐floweredaster herb FACW‐ 2Asterpilosus hairyaster herb FACU‐ 0Boehmeriacylindrica falsenettle herb OBL 3Boltoniaasteroides falseaster herb FACW 5Carexsp. sedge herb ‐‐‐‐‐‐ ‐‐Carexvulpinoidea foxsedge herb OBL 3Chenopodiumalbum lamb'squarters herb FAC‐ *Cinnaarundinacea stoutwoodreed herb FACW 5Cornusdrummondii rough‐leaveddogwood shrub FAC 2Cuscutagronovii dodder herb FACW 2Desmodiumpaniculatum panicledticktrefoil herb FACU 2Echinochloamuricata barnyardgrass herb OBL 0Elaeagnusumbellata autumnolive shrub UPL *Elymusvirginicus Virginiawildrye herb FACW‐ 4Eupatoriumaltissimum tallboneset herb FACU 2Fallopiascandens climbingbuckwheat herb FAC 2Festucaarundinacea tallfescue herb FACU+ *Fraxinuslanceolata greenash tree,sapling,shrub FACW 2Geumcanadense whiteavens herb FAC 2Hackeliavirginiana stickseed herb FAC‐ 1Helianthustuberosus Jerusalemartichoke herb FAC 3Humulusjaponicus Japanesehops herb FACU *Juniperusvirginiana easternredcedar shrub FACU 1Lactucacanadensis Canadalettuce herb FACU+ 1Lespedezacuneata sericealespedeza herb UPL *Loniceramaackii Amurhoneysuckle shrub UPL *Melilotusalbus whitesweetclover herb FACU *Monardafistulosa wildbergamot herb FACU 4Muhlenbergiafrondosa commonsatingrass herb FACW 3Parthenocissusquinquefolia Virginiacreeper woodyvine FAC‐ 2Phragmitesaustralis commonreed herb FACW+ *Platanusoccidentalis sycamore tree,sapling,shrub FACW 3Populusdeltoides easterncottonwood tree,shrub FAC+ 2Sennamarilandica Marylandsenna herb FACW 4


40

Site6‐WetFloodplainForest(continued)

SPECIESLIST(Dominantspeciesandstrataindicatedbybold)Scientificname Commonname Stratum Wetlandindicator Coefficientof status conservatismSetariafaberi giantfoxtail herb FACU+ *Silphiumperfoliatum cupplant herb FACW‐ 4Solidagocanadensis Canadagoldenrod herb FACU 1Sorghumhalepense Johnsongrass herb FACU *Strophostyleshelvola wildbean herb FAC+ 3Torilisjaponica hedgeparsley herb UPL *Toxicodendronradicans poisonivy woodyvine,herb FAC+ 1Ulmusamericana Americanelm shrub,herb FACW‐ 5Verbenaurticifolia whitevervain herb FAC+ 3Vitisaestivalis summergrape woodyvine FACU 4Vitisriparia riverbankgrape woodyvine FACW‐ 2


41

Site7‐WetMeadow

SPECIESLIST(Dominantspeciesandstrataindicatedbybold)Scientificname Commonname Stratum Wetlandindicator Coefficientof status conservatismAcernegundo boxelder sapling,shrub FACW‐ 1Acersaccharinum silvermaple herb FACW 1Agalinisgattingeri Gattinger'sfalsefoxglove herb UPL 10Ambrosiatrifida giantragweed herb FAC+ 0Asclepiasincarnata swampmilkweed herb OBL 4Asterlanceolatus panicledaster herb FACW 3Bidensaristosa swampmarigold herb FACW 1Boltoniaasteroides falseaster herb FACW 5Carexcrus‐corvi sedge herb OBL 6Carexfrankii sedge herb OBL 4Carexhyalinolepis shorelinesedge herb OBL 4Carexlupulina hopsedge herb OBL 5Cornusdrummondii rough‐leaveddogwood shrub FAC 2Eupatoriumserotinum lateboneset herb FAC+ 1Fraxinuslanceolata greenash sapling,shrub FACW 2Ivaannua marshelder herb FAC 0Juncussp. rush herb ‐‐‐‐‐‐ ‐‐Leersiaoryzoides ricecutgrass herb OBL 3Lespedezacuneata sericealespedeza herb UPL *Lycopusamericanus commonwaterhorehound herb OBL 3Persicariapunctata dottedsmartweed herb OBL 3Phalarisarundinacea reedcanarygrass herb FACW+ *Phragmitesaustralis commonreed herb FACW+ *Phylalanceolata fog‐fruit herb OBL 1Platanusoccidentalis sycamore shrub FACW 3Populusdeltoides easterncottonwood sapling,shrub FAC+ 2Rumexcrispus curlydock herb FAC+ *Salixamygdaloides peach‐leavedwillow shrub FACW 4Salixinterior sandbarwillow shrub OBL 1Salixnigra blackwillow shrub OBL 3Scirpusatrovirens bulrush herb OBL 4Solidagocanadensis Canadagoldenrod herb FACU 1Solidagogigantea lategoldenrod herb FACW 3Teucriumcanadense Americangermander herb FACW‐ 3Typhaangustifolia narrow‐leavedcattail herb OBL *Ulmusamericana Americanelm herb FACW‐ 5


42

APPENDIXC

FiguresFigure1–ProjectLocationMap ..............................................................................................44Figure2–NationalWetlandsInventoryMap..........................................................................45Figure3–WetlandDelineationMap.......................................................................................46Figure4–PlantCommunityMap ............................................................................................47Figure5–EstimatedArealExtentof2011WetlandHydrology................................................48

43

Wetland Science ProgramIllinois Natural History Survey

Prairie Research Institute1816 South Oak Street

Champaign, Illinois 61820

Project Location

§̈¦255

§̈¦55 §̈¦70

0 2,000Feet0 500Meters 02/2012Figure 1

Project Location MapEckmann / Bischoff Wetland Mitigation Site

Madison County, Illinois - 2011 q1 inch : 2,000 feet1 : 24,000

44




§̈¦255

§̈¦55 §̈¦70

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0 2,000Feet0 500Meters 02/2012Figure 2

National Wetlands Inventory MapEckmann / Bischoff Wetland Mitigation Site

Madison County, Illinois - 2011 q1 inch : 2,000 feet1 : 24,000

45




Caho

kia Ca

nal

levee

levee

Schneider Ditch

1

4

47

2

6

3

5

5

0 400Feet0 100Meters 02/2012Figure 3

Wetland Delineation MapEckmann / Bischoff Wetland Mitigation Site

Madison County, Illinois - 2011 q1 inch : 400 feet1 : 4,800

Project BoundaryDelineated Wetland Sites

46




Caho

kia Ca

nal

levee

levee

Schneider Ditch

A

B

BD

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C

C

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0 400Feet0 100Meters 02/2012Figure 4

Plant Communities MapEckmann / Bischoff Wetland Mitigation Site

Madison County, Illinois - 2011 q1 inch : 400 feet1 : 4,800

Project BoundaryPlant Community TypesA - MarshB - Wet Floodplain ForestC - ShrublandD - Wet Meadow

47

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Figure 5 (from Miner et al. 2011)

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