.,1,Thecolorfulcoralreefs,.,2,Theformationofcoralreefs,CoralisoneoftheMarinecoelenterates,whichfeedonpreyontheoceantinyplankton,canabsorbthecalciuminthewaterandcarbondioxideinthegrowthprocess,andthensecretelimestone,intohisshellofsurvival.Everysinglecoralonlythegrainsize,theyareagroupofagrouptogathertogether,thegenerationsmetabolism,growth,reproductionandcontinuouslysecretelimestone,andtogether.Thelimestoneafteraftercompaction,petrochemical,formingislandsandreefs,knownascoralreefs.,.,3,Coralsarebiological,cnidariadoor,includedanimalssuchasjellyfish,polyps,softcoralandseaanemones.Coralreefs,ismadeupofstonecoralspurposecoralskeletons.Thebonesofmaincomponentiscalciumcarbonate(CaCO3).,.,4,Theclassificationofthecoral,Accordingtothepresenceofsymbioticalgaecanbedividedinto:Aclassofreef-buildingcoralsaresymbioticalgae,livinginshallowareasofthesunshine;Anotherkindisnoalgaesymbiosisofreef-buildingcorals,liveinthedeepsea.,.,5,Theclassificationofthecoralreefs,Accordingtoformdivisionare:fringingreef(fringingreef),thebarrierreefandreefatoll,tableandsometransitiontype,瑚礁的分類,.,6,Fringingreef,.,7,Barrierreef,Barrierreefisalsocalledthebarrierreef,likelongbeach,aroundtheoutsideofthefartheroffshore,andseparatedbyawideshallowseasandcoast,orthroughaknownasthewatersofthelagoon.SuchasAustraliasGreatBarrierReef,.,8,atoll,AccordingtothesettlementofDarwinstheory,themajorityofcoralreefsisthroughvolcanicactivityintobasaltformedislanddevelopment,duetofallingoftheland(orsearise)andformatoll.,.,9,TheformationoftheGreatBarrierReef,Coralpostureisexquisite,colorandlusterisbeautiful,canonlyliveintheyearkeepin22to28degreesofwater,watertemperatureandwatermustbecleanandtransparent.Australiasnortheastcoastoutercontinentalshelfwatersaretheidealconditionsofreproductivecoralpolyps.Coralreefbuildingprocessisveryslow,inthebestcondition,thethickeningofthereefbodyeveryyearbut3-4cm.Somerockthicknesshasamountedtohundredsofmeters,explainthearchitectherehasgonethroughalongtime.AtthesametimealsoshowsthatAustraliasnortheastcoastonthegeologichistoryofsubsidenceprocess,hasexperiencedthepursuitofsunandfoodcoralgrowthup.,.,10,TheGreatBarrierReefformationYuZhongxinperiod,morethan25millionyearsofhistory.Itsareaisstillexpanding.Itisafterthelasticeage,searosetothepositionafterayearsnow.TheGreatBarrierReefonearthisthemostbeautifuldecorations,likeashiningskyblue,indigo,blueandpurewhitelight,eveniftolookonthemoonisalsoclearlyvisible.,.,11,Thecolorfulcoral,InthegroupoftheGreatBarrierReef,colorfulcoralreefshavered,pink,green,purple,yellow.Theirshapedifferences,withantlers,ganodermalucidum,lotusleaf,seaweedinthesea-floorspreadingthebeautyofthebody.Thisdistributionofmorethan400differenttypesofcoralreefs,includingtheworldslargestcoralreef.,.,12,.,13,.,14,雀鯛魚,蝴蝶魚,天使魚,.,15,?？?海蜇,.,16,AustraliasGreatBarrierReefisthenatureofthecreatedamiracle.However,ourchildrenmayneverseethismiracle.OceanographersCharlieOolongaccordingtoareportreleasedrecently,theglobalclimatewarmingwilllettheGreatBarrierReefinashortspanof20yearstimetheworld