Endangered-AnimalsPPT.ppt
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Endangered-AnimalsPPT.ppt
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1,EndangeredAnimals,2,3,contents,Endangeredanimals.ExamplesCausesEndangeredSpeciesOrganizationsTypesofextinctionWaystohelpthem,4,Endangeredanimals,Endangeredanimalsarethosespeciesthatareindangerofgoingextinct.Theirreproductiveratesarelowerthantheirmortalityratesoverlongperiodsoftime,sotheirnumbersarediminishing.,5,6,SomeEndangeredAnimals,Rhinoceros(AfricaandAsia),GiantPanda(Asia),Armadillo(SouthAmerica),TasmanianForesterKangaroo(Australia),7,AfricanElephant,TheAfricanElephantisthelargestlandanimal.,AfricanWildDogTheAfricanWildDoghuntsinpacksinAfrica.,8,AleutianCanadaGoose,TheAleutianCanadagooseisalargeNorthAmericanbirdthathonks.,9,Kiwi,Achicken-sizedflightlessbirdfromNewZealand.,10,KoalaThekoalaisanAustralianmarsupial.Itisnotabear.,11,CausesofEndangerment,HabitatDestructionIntroductionofExoticSpeciesOverexploitationMoreFactors,12,HabitatDestruction,Ourplanetiscontinuallychanging,causinghabitatstobealteredandmodified.Naturalchangestendtooccuratagradualpace,usuallycausingonlyaslightimpactonindividualspecies.However,whenchangesoccuratafastpace,thereislittleornotimeforindividualspeciestoreactandadjusttonewcircumstances.Thiscancreatedisastrousresults,andforthisreason,rapidhabitatlossistheprimarycauseofspeciesendangerment.,13,IntroductionofExoticSpecies,Thesespeciesareintroducedintonewenvironmentsbywayofhumanactivities,eitherintentionallyoraccidentally.Theseinterlopersareviewedbythenativespeciesasforeignelements.Theymaycausenoobviousproblemsandmayeventualbeconsideredasnaturalasanynativespeciesinthehabitat.However,exoticspeciesmayalsoseriouslydisruptdelicateecologicalbalancesandmayproduceaplethoraofunintendedyetharmfulconsequences.,14,Overexploitation,Aspeciesthatfacesoverexploitationisonethatmaybecomeseverelyendangeredorevenextinctduetotherateinwhichthespeciesisbeingused.Duetothetradeinanimalparts,manyspeciescontinuetosufferhighratesofexploitation,15,MoreFactors,Disease,pollution,andlimiteddistributionaremorefactorsthatthreatenvariousplantandanimalspecies.Ifaspeciesdoesnothavethenaturalgeneticprotectionagainstparticularpathogens,anintroduceddiseasecanhavesevereeffectsonthatspecie.,16,EndangeredSpeciesOrganizations,InternationalUnionforConservationofNatureanNaturalResourceIUCNNationalAudubonSocietyNASTheWorldConservationMonitoringCentreWildlifeConservationSocietywebsiteWorldWildlifeFundWWF,17,Typesofextinction,IUCNRedListofThreatenedSpeciesusesthetermendangeredspeciesasaspecificcategoryofimperilment,ratherthanasageneralterm.UndertheIUCNCategoriesandCriteria,endangeredspeciesisbetweencriticallyendangeredandvulnerable.,18,Extinct:
BaliTiger,CaspianTigerAtlasbearExtinctinthewild:
ScimitarOryx,CatarinaPupfish,BarbaryLionCriticallyendangered:
ChineseGiantSalamander,BactrianCamel,EthiopianWolf,19,Endangered:
AsianElephant,GiantPanda,AfricanWildDogVulnerable:
AfricanElephant,PolarBear,GreatWhiteSharkNearthreatened:
AmericanBison,AsianGoldenCatLeastconcern:
BaldEagle,Giraffe,BrownBear,20,21,22,23,Waystohelpthem,1.ConserveHabitatsOneofthemostimportantwaystohelpthreatenedplantsandanimalssurviveistoprotecttheirhabitatspermanentlyinnationalparks,naturereservesorwildernessareas,24,Waystohelpthem,2.BoycottfurcoatsandmedicinesmadefromrareanimalsBoycottornamentsmadefromivoryandstafflikethis.Babysealsaremurderedfortheirskin,asitisusedtomakeexpensivecoats-dontbyethem,25,Waystohelpthem,3.Recycleandreuse.Itwillreducetheneedtohavemorerawmaterialstoproducesomething.Asaresultalotoftreeswillbesparedandwildanimalshabitatwillbeundisturbed.,26,Waystohelpthem,4.Governmentsshouldcomeforwardtocreatemoresafezonesandnationalparksforwildanimalswheretheywillbeabletomovefreelywithoutworryingabouthuntersandpoachers.Governmentsshouldapplystrictlawstostoppoaching.,27,Waystohelpthem,5.Donatemoneyortreestodifferentnon-profitorganizationswhichworktoprotectthewildlife.YoucandonatemoneytoGreenpeace,WorldWildlifeFundetc.,28,29,30,
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