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PAGE3MAZINAIGANSPRINGSUMMER2014MNDNRtribesworktostopwalleyedeclineatMilleLacsINLANDFISHERIESGrowingconcernaboutthehealthoftheMilleLacswalleyepopulationpromptedtheMinnesota1837FisheriesCommitteetoadjustharveststrategiesforthebiglakein2014.Whilebiologistsremainuncertainabouttheunderlyingcausesofthewalleyedeclinetheyarepursuingastrategytoincreasewalleyepopulationsasquicklyaspossible.Thetotalharvestablesurplustobesharedbetweentribalfishersandstateanglerswassetat60000poundsfor2014downfrom250000poundsin2013and500000poundsin2012.Accordingtothemodelsusedtoestimatewalleyepopulationinthelakeaharvestof60000poundsorlessshouldkeepthewalleyepopulationfromdecliningfurtherin2015.Thetribalallocationoftheharvestablesurplusis17100poundswhilethestateallocationis42900poundsMilleLacshasanabundanceofgoodwalleyespawninghabitatandhatchingsuccessandsurvivalofyoung-of-yearwalleyetotheirfirstfallhasbeengoodbutthelastgoodyear-classwasin2008.Unfortunatelyjuvenilewalleyeappeartobedyingathigherratesthaninthepastbetweentheirfirstfallandthetimetheyreachtheadultpopulationat3-6yearsofage.The2014strategytohelpthewalleyesbouncebackcentersaroundprotectingyoungfish.TheMinnesotaDepartmentofNaturalResourcesMNDNRandthetribeshaveagreedtorelaxregulationsonnorthernpikeandsmallmouthbasssincethesepopulationsareatanall-timehighandtheymaybecompetingwithorpreyingonsmallwalleye.Theharvestcapfornorthernpikesplit5050betweenthestateandthetribeshasbeenincreasedto100000poundsdoublewhatitwasin2013.AdditionallythetribeshaveauthorizedspearingfornorthernpikeandMNDNRextendedthestatenorthernpikeseasonuntiltheendofMarchwhileincreasingthebaglimitfornorthernsto10onlyoneofwhichmaybeover30inches.Thebandsandthestatealsoeachmaderegulationchangestoallowformoreharvestofsmallmouthbass.MNDNRwillcontinuetousean18-20inchharvestslottoregulatethewalleyeanglingfisheryalongwithabanonnightfishingfromMay12ththroughDecem-ber1st.Thetribesareallowingmemberstospearwalleyeofanysizepreviousregulationshadfocusedharvestonfishunder20toshiftsomeoftheharvestawayfromyoungfish.Alongwiththechangesinharveststrategyfor2014biologistswillcon-tinuetoconductthoroughassessmentstokeeptabsonthefishcommunity.Alreadycompletedthisspringaretag-gingpopulationestimatestomeasuretheabundanceofnorthernpikeandwalleye.ThiseffortwascoordinatedbetweenMNDNRGLIFWCFondduLacBandandUSFishandWildlifeService.GLIFWCandFondduLacareplanningtoconductalatespringjuvenilewalleyeelectrofishingsurveytogaugetheoverwintersurvivalofthe2013year-class.MeanwhileMNDNRwillcontinuetoevaluatedietsofpreda-torsinMilleLacsinordertoestimatepredationratesonyoungwalleyes.ByMarkLuehringGLIFWCInlandFisheriesBiologistMarkLuehringGLIFWCinlandfsheriesbiologistholdsupaniceogaacapturedandreleasedduringelectrofshingassessmentsonEver-greenLakeinSawyerCountyWis-consin.PhotobyButchMieloszykOdanahWis.GLIFWCcrewsinMinnesotaWisconsinandMichiganworkedwithpartneragenciestoconductfishpopulationassessmentson20cededterritorylakesthisspring.Thewalleyeassessmentswentfastandfuriousaswalleyeswerereadytospawnassoonastheiceleftcededterritorylakes.Theseestimatesconductedprimar-ilythroughnightelectrofishingprovidebiologistswithqualitydataonwalleyepopulationabundanceinimportantcededterritorywaters.InMinnesotaGLIFWCdodgedicefloeswithUSFWSMNDNRandFondduLactomarkspawningwalleyesandnorthernpike.GLIFWCparticipatedinarecapturenettingeffortstartinginlateMaytoestimatethepopulations.AnadditionalelectrofishingsurveyisscheduledforearlyJunetodetermineoverwintersurvivalofjuvenilewalleye.GLIFWCcrewspartneredwithSt.CroixMoleLakeandWDNRtoconductmark-recapturewalleyepopulationestimateson18lakesinWisconsinrangingfrom123-acreShermanLaketo2508acreNelsonLake.Over10000adultwalleyesrangingfrom10inchesupto29inchesweresampledintheseefforts.InMichiganGLIFWCconductedamark-recapturepopulationestimateonPomeroyLakeGogebicCountyforthefirsttimesince2005.Thetablebelowshowslakeswhereestimateswerecompleted.WorkatMilleLacsisstillinprogress.StateCountyLakeAreaacresMIGogebicPomeroyLake314MNMilleLacsMilleLacs132500WIBayfieldSiskiwitLake330WIDouglasAmniconLake426WIForestJungleLake177WIForestLilyLake213WILangladeSawyerLake149WIOneidaBearskinLake400WIOneidaSquirrelLake1317WIPriceButternutLake1006WISawyerMasonLake190WISawyerEvergreenLake200WISawyerNelsonLake2508WIVilasBigLakeMIBorder771WIVilasKentuckLake957WIVilasMamieLake400WIVilasOxbowLake511WIVilasShermanLake123WIVilasSquawLake785WIWashburnBass-PattersonLake188SurveycrewscommandthenightshiftByMarkLuehringGLIFWCInlandFisheriesBiologistOdanahWis.SpringharvestofogaawalleyefrominlandlakesisanimportantpartoftheAnishinaabebimaadiziwinlifeway.Formanytribalmembersogaaprovidestheirfamilywithhighqualityfoodthatisagoodsourceofleanproteinlowinsaturatedfatandcontainsotherimportantnutrientslikeselenium.Howevereatingfishoftencomeswithaconcernaboutexposuretomercury.GLIFWCsmercurymapsareanessentialtoolfortribalmemberstolimittheirexposuretomercuryfromeatingfishharvestedfromoff-reservationinlandlakes.Themapsofferaquickandeasyreferenceforharvesterstoselectcleanerlakesaswellasthesafenumberofogaamealspermonththesensitivepopulationwomenofchildbearingageandchildrenandgeneralpopulationmenandwomenbeyondchildbearingagecanenjoywithoutoverexposuretomercury.UnderfundingfromtheGreatLakesRestorationInitiativeGLIFWCupdatedthemercurymapsforitsmembertribeswiththemostcurrentmercurydataavailable.DatacollectedsincethelastupdateinMarch2012hasaddedinformationfor11lakesandatotalof446lakesharvestedbyGLIFWCmembertribesnowhavecolor-codedmonthlycon-sumptionadvice.Theupdatedmercurymapsareavailableforviewinganddownloadathttpglifwc.orgMercurymercury.html.Physicalcopiesofthemapswereprovidedtotribalregistrationstationsandotherlocationsonreservationforthespringharvest.UpdatedmercurymapsavailableByJenniferBurnettGLIFWCOutreachSpecialistLakesthatnowhavemorerestrictiveconsumptionadviceforwomenofchildbearingageandchildrenincludeGreenLakeChisagoCountyMinnesota4mealsor32oz.monthgreen2mealsor16oz.monthyellowBallardLakeVilasCo.Wisconsin1mealor8oz.monthorangeDonoteatredGrindstoneLakeSawyerCo.Wis.2mealsor16oz.monthyellow1mealor8oz.monthorangeSparklingLakeVilasCo.Wis.2mealsor16oz.monthyellow1mealor8oz.monthorangeFivelakeshavelessrestrictiveadviceforeitherthesensitiveorgeneralpopulationincludeChisagoLakeChisagoCo.Minn.4mealsor32oz.monthgreen8mealsor64oz.monthblueforthegeneralpopulationKawaguesagaLakeOneidaCo.Wis.4mealsor32oz.monthgreen8mealsor64oz.monthblueforthegeneralpopulationPresqueIsleLakeChainVilasCo.Wis.1mealor8oz.monthorange2mealsor16oz.monthyellowforthesensitivepopulationShellLakeWashburnCo.Wis.2mealsor16oz.monthyellow4mealsor32oz.monthgreenforthegeneralpopulationTwinLakeChainVilasCo.Wis.4mealsor32oz.monthgreen8mealsor64oz.monthblueforthegeneralpopulation