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ID:32503957
大小:14.83 MB
页数:132页
时间:2019-02-09
《【7A文】湖泊生态修复之英文培训教程.ppt》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、AquaticRestorationLakes湖泊修复教程ObjectivesStudentswillbeableto:differentiatebetweenrestoration,rehabilitation,andreclamation.compareandcontrastfunctionalrestorationandstructuralrestoration.definelakerestorationanddescribeitsmajorgoals.describecurrentstatistic
2、sregardinglakestressors.identifyspecialchallengesencounteredinlakerestoration.defineandidentifyecoregionsinMinnesota.indicatepreventativestepsusedtocontrolsourcesofwaterpollution.describetheimpactofphosphorusinalakeenvironment.discussmeasuresusedtolimitthei
3、mpactsofphosphorusonlakes.Objectivescont.assesstheeffectivenessoflakerestorationthroughanalysisofsiteexamples.identifymethodsusedtocontrollevelsofalgalgrowthinlakes.discusstheeffectivenessandconcernsoflakedredging.describethegoalsandprinciplesofbiomanipulat
4、ionusedinlakerestoration.describefourtypesofzooplanktonandexplaintheirimportance.discusstheeffectivenessandconcernsofusingalgicides.identifyphysicalmethodsusedforcontrollingweedgrowthinlakes.discusschemicalandbiologicalmethodsforcontrollingweedgrowthinlakes
5、.relatetheprinciplesoflakescaping.OverviewIntroductionLakeRestorationStreamRestorationWetlandRestorationRestorationDefined“Returnanecosystemtoacloseapproximationofitsconditionpriortoadisturbance”(Berger1990)“Actofrestoringtotheoriginalstateorahealthyorvigor
6、ousstate”(Bradshaw1996)Historicconditionspreviouslyexistingonthesitewillbere-established,includingtheentirefunction,structure,andgeneticcompositionReturnoffundamentalprocessesbywhichecosystems(biologicalandnon-biologicalelements)workRestoration,rehabilitati
7、onorreclamation?RestorationtohistoricconditionsasagoalisofteneitherimpossibleduetolandusechangesinthewatershedortooexpensiveRehabilitation:returnscertainfunctionsandstructuresofthenaturalecosystematapreviousstate,butnottheoriginalconditionReclamation:provid
8、esservicesbyreturningcertainfunctionsandstructuresbringingtheecosystemtoausefulstate,butsomethingotherthantheoriginalconditionFunctionorstructure?Whatareyoutryingtorestore?ExamplesofFunctionsSurfaceand
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