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1、AquaticRestoration Lakes湖泊修復(fù)教程ObjectivesStudentswillbeableto:differentiatebetweenrestoration,rehabilitation,andreclamation.compareandcontrastfunctionalrestorationandstructuralrestoration.definelakerestorationanddescribeitsmajorgoals.describecurrentstati
2、sticsregardinglakestressors.identifyspecialchallengesencounteredinlakerestoration.defineandidentifyecoregionsinMinnesota.indicatepreventativestepsusedtocontrolsourcesofwaterpollution.describetheimpactofphosphorusinalakeenvironment.discussmeasuresusedtol
3、imittheimpactsofphosphorusonlakes.Objectivescont.assesstheeffectivenessoflakerestorationthroughanalysisofsiteexamples.identifymethodsusedtocontrollevelsofalgalgrowthinlakes.discusstheeffectivenessandconcernsoflakedredging.describethegoalsandprinciplesof
4、biomanipulationusedinlakerestoration.describefourtypesofzooplanktonandexplaintheirimportance.discusstheeffectivenessandconcernsofusingalgicides.identifyphysicalmethodsusedforcontrollingweedgrowthinlakes.discusschemicalandbiologicalmethodsforcontrollingw
5、eedgrowthinlakes.relatetheprinciplesoflakescaping.OverviewIntroductionLakeRestorationStreamRestorationWetlandRestorationRestorationDefined“Returnanecosystemtoacloseapproximationofitsconditionpriortoadisturbance”(Berger1990)“Actofrestoringtotheoriginalst
6、ateorahealthyorvigorousstate”(Bradshaw1996)Historicconditionspreviouslyexistingonthesitewillbere-established,includingtheentirefunction,structure,andgeneticcompositionReturnoffundamentalprocessesbywhichecosystems(biologicalandnon-biologicalelements)work
7、Restoration,rehabilitationorreclamation?RestorationtohistoricconditionsasagoalisofteneitherimpossibleduetolandusechangesinthewatershedortooexpensiveRehabilitation:returnscertainfunctionsandstructuresofthenaturalecosystematapreviousstate,butnottheorigina
8、lconditionReclamation:providesservicesbyreturningcertainfunctionsandstructuresbringingtheecosystemtoausefulstate,butsomethingotherthantheoriginalconditionFunctionorstructure?Whatareyoutryingtorestore?ExamplesofFunctionsSurfaceand
