ppt coral reefs final

ppt coral reefs final

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  Coral ReefsCoral Reefs presentedbypresented by Nagarjuna. PamanjiNagarjuna. Pamanji 11stst SemesterSemester Department of Marine BiologyDepartment of Marine Biology V.S.U CollegeV.S.U College
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  INTRODUCTIONINTRODUCTION  Corals aremarine animalsCorals are marine animals  Coral colonies grow continuously in sizeCoral colonies grow continuously in size by budding of polypby budding of polyp  Coral themselves construct reefCoral themselves construct reef  Coralline algae and foraminiferanCoralline algae and foraminiferan protozoansprotozoans
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  INTRODUCTIONINTRODUCTION  They requiresabove 20 degreeThey requires above 20 degree centigrade.centigrade.  They are limited Indian Pacific, theThey are limited Indian Pacific, the Central Western Pacific, and theCentral Western Pacific, and the Caribbean region North of Bermuda.Caribbean region North of Bermuda.
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  TYPESTYPES  Corals aretwo typesCorals are two types  1. soft corals1. soft corals  2. hard corals2. hard corals  Soft coralsSoft corals  Sea plums are called soft coralsSea plums are called soft corals  Hard coralsHard corals  Made up of the hydrocorals and theMade up of the hydrocorals and the stony coralsstony corals
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  Soft coralsSoft corals
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  Hard coralHard coral
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  FORMATION TYPESFORMATION TYPES The coral reefs are three kindsThe coral reefs are three kinds  1.Fringing reef1.Fringing reef  2.Barrier reef2.Barrier reef  3.Atoll reef3.Atoll reef
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  ECONOMIC IMPORTANCEECONOMIC IMPORTANCE OFCORAL REEFSOF CORAL REEFS  TOURISMTOURISM  ORNAMENTATIONORNAMENTATION  SERVES AS HABITAT FOR MANYSERVES AS HABITAT FOR MANY PLANTS AND ANIMALSPLANTS AND ANIMALS  RAW MATERIAL FOR LIME MORTARRAW MATERIAL FOR LIME MORTAR AND CEMENTAND CEMENT  BARRIER AGAINST SEA EROSIONBARRIER AGAINST SEA EROSION AND CYCLONIC STORMSAND CYCLONIC STORMS
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  ECONOMIC IMPORTANCEECONOMIC IMPORTANCE OFCORAL REEFSOF CORAL REEFS  GOOD NURSERY GROUNDSGOOD NURSERY GROUNDS  PETROLIUM DEPOSITSPETROLIUM DEPOSITS  AS A DRUGAS A DRUG  SELF EMPLOYMENTSELF EMPLOYMENT