AquaticRestorationLakesUnit6,Module24November2019WATERONTHEWEBAquaticRestoration1ObjectivesStudentswillbeabletodifferentiatebetweenrestorationrehabilitationandreclamationcompareandcontrastfunctionalrestorationandstructuralrestorationdefinelakerestorationanddescribeitsmajorgoalsdescribecurrentstatisticsregardinglakestressorsidentifyspecialchallengesencounteredinlakerestorationdefineandidentifyecoregionsinMinnesotaindicatepreventativestepsusedtocontrolsourcesofwaterpollutiondescribetheimpactofphosphorusinalakeenvironment.discussmeasuresusedtolimittheimpactsofphosphorusonlakesWATERONTHEWEBDevelopedby:AxlerandReedUpdated:11/26/03LakesU6-m24a-s2Objectives2Objectivescont.assesstheeffectivenessoflakerestorationthroughanalysisofsiteexamplesidentifymethodsusedtocontrollevelsofalgalgrowthinlakesdiscusstheeffectivenessandconcernsoflakedredgingdescribethegoalsandprinciplesofbiomanipulationusedinlakerestorationdescribefourtypesofzooplanktonandexplaintheirmportancediscusstheeffectivenessandconcernsofusingalgicides.identifyphysicalmethodsusedforcontrollingweedgrowthinlakesdiscusschemicalandbiologicalmethodsforcontrollingweedgrowthinlakesrelatetheprinciplesoflakescapingWATERONTHEWEBDevelopedby:AxlerandReedUpdated:11/26/03LakesObjectivescont.3OverviewIntroduction1.LakeRestoration2.StreamRestoration3.WetlandRestorationWATERONTHEWEBDevelopedby:AxlerandReedUpdated:11/26/03LakesOverview4RestorationDefinedReturnanecosystemtoacloseapproximationofitsconditionpriortoadisturbance"(Berger1990)Actofrestoringtotheoriginalstateorahealthyorvigorousstate"(Bradshaw2019)Historicconditionspreviouslyexistingonthesiteillbere-established,includingtheentirefunction,structure,andgeneticcompositionReturnoffundamentalprocessesbywhichecosystems(biologicalandnon-biologicaelements)workWATERONTHEWEBDevelopedby:AxlerandReedUpdated:11/26/03LakesRestorationDefined5Restorationrehabilitationorreclamation?RestorationtohistoricconditionsasagoalisofteneitherimpossibleduetolandusechangesinthewatershedortooexpensiveRehabilitation:returnscertainfunctionsandstructuresofthenaturalecosystematapreviousstate,butnottheoriginalconditionReclamation:providesservicesbyreturningcertainfunctionsandstructuresbringingtheecosystemtoausefulstate,butsomethingotherthantheoriginalconditionWATERONTHEWEBDevelopedby:AxlerandReedUpdated:11/26/03LakesRestorationrehabilitationor6Functionorstructure?Whatareyoutryingtorestore?ExamplesofFunctionsSurfaceandgroundwaterstorage,recharge,supplyFloodwaterandsedimentretentionTransportoforganisms,nutrients,sediments●NutrientcyclingBiomassproduction,foodwebsupport,speciesmaintenanceWATERONTHEWEBDevelopedby:AxlerandReedUpdated:11/26/03LakesU6-m24a-5Functionorstructure?Whatar7Functionorstructure?Whatareyoutryingtorestore?ExamplesofStructure●SoilconditionGeologicalcondition●HydrologyWaterqualityTopographyMorphologyFloraandfaunaWATERONTHEWEBDevelopedby:AxlerandReedUpdated:11/26/03LakesU6-m24a-s8Functionorstructure?8EcosystemFunctionReclamationOriginalEcosystemRestorationRelhabilitationDegradedEcosystemEcosystem(ModifiedfromBradshaw2019)StructureWATERONTHEWEBDevelopedby:AxlerandReedUpdated:11/26/03LakesU6-m24a-59Ecosystem9SettingProjectGoalsNooneparadigmorcontextforsettingrestorationgoals"(Ehrenfeld2000)Inthepast,goalsusuallyfocusedon:SinglespeciesDrawback:changesmightbecounterproductiveforotherspeciesEcosystemfunctionsDrawback:managersmighteitherhavespecifictechniquesinmindoronlyfocusonobviousdegradationsServicesDrawback:couldnegativelyimpactfunctionsorspeclesWATERONTHEWEBDevelopedby:AxlerandReedUpdated:11/26/03LakesU6-mSettingProjectGoals10☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件11☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件12☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件13☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件14☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件15☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件16☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件17☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件18☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件19☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件20☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件21☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件22☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件23☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件24☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件25☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件26☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件27☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件28☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件29☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件30☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件31☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件32☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件33☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件34☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件35☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件36☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件37☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件38☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件39☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件40☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件41☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件42☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件43☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件44☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件45☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件46☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件47☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件48☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件49☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件50☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件51☆湖泊生態(tài)修復(fù)教程-英文培訓(xùn)教程課件52☆湖泊生態(tài)修復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