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1、HowplasticwasteisaffectingwildlifeandfisheriesThemainwasteintheoceanisthePlasticdebris.About80percentofmarinedebrisisplastic.Everyyear,ahugenumberofseabirds,turtles,andfisheriesdiedofeatingplasticdebrisbymistake.HumanactionsthatpollutedthepacificoceanMerchantshipsexpelcargo,sew
2、age,usedmedicalequipment,andothertypesofwastethatcontainplasticintotheocean.Navalandresearchvesselsejectwasteandmilitaryequipmentthataredeemedunnecessary.Pleasurecraftsreleasefishinggearandothertypesofwaste,eitheraccidentallyorthroughnegligenthandling.Thelargestocean-basedsourc
3、eofplasticpollutionisdiscardedfishinggear(includingtrapsandnets),estimatedtobeupto90%ofplasticdebrisinsomeareas.（Hammer,J;Kraak,MH;Parsons&JR,2012）TheorganismthatisbeingaffectedSeabirdsWhalesFisheriesSealsSealionsSeaturtleDolphinsAquaticwildlifecanbethreatenedbysuffocation.Obvi
4、ously,thisseaturtlewasscarred.Afterthispicturewastaken,maybeitwoulddiesoon.Aswecanimagine,therearestillthousandsofseaturtlesunderthethreatenofplasticdebris.Ifnoonehelpsthem,theyarejustdyinglonely,scared,anddesperated.Example:thisseaturtleistakingaplasticbaginExample:thesealisst
5、uckbyfishingnetsAseaturtlethatistrappedbyarubberbandThispicturetellsusasadstoryaboutthisturtle:itwastrappedaccidentallywhenitwasyoung.Asitgrewbiggerandbigger,therubberbandlimitedit.Asaresult,itsbodywasdeformed.Convincingdata(onPacificOcean)Ina2008PacificGyrevoyage,AlgalitaMarin
6、eResearchFoundationresearchersbeganfindingthatfishareeatingplasticfragmentsandwaste.Ofthe672fishcaughtduringthatvoyage,35%hadateplasticpieces.ClicktoseemoredetailsThe NorthPacificGyre,forexample,hascollectedtheso-called“GreatPacificGarbagePatch”,whichisnowestimatedtobeonetotwen
7、tytimesthesizeofTexas(approximatelyfrom700,000to15,000,000squarekilometers).Insamplestakenin1999,themassofplasticexceededthatofzooplankton(thedominantanimallifeinthearea)byafactorofsix.(Weisman&Alan，2007).ClicktoseemoredetailsFishareeatingplasticfragmentsandwasteEffectsonwildli
8、fe&fisheries(howhavetheplasticdebrisaffectedthem)1.Ent
