重庆生物多样性

重庆生物多样性

Protectingthebiodiversity

ofChongqingMartinWillison博士,教授,Dalhousie大学,Halifax,NovaScotia,加拿大martinwillison@2009年12月01号/web/index.aspx重庆市生物多样性保护策略和行动计划产出5:公众的保护意识得到提高，从而参与到生物多样性保护中来北红尾鸲

DaurianRedstart(Phoenicurusauroreus)male生物多样性

Biodiversity

Ecosystem生态系统基因

Gene

Species

物种

Someimportantideasaboutspecies

-Nativespecies–naturallyofaregion-Endemicspecies–foundonlyinaregion-Exoticspecies–Notnativetothatarea,nativetoanotherarea(alsocalled“alienspecies”)-Domesticspecies–usedandcontrolledbyhumans-Wildspecies–autonomous,notcontrolledbyhumansThreemainthreatstobiodiversityExploitationoflivingresources,suchashuntingLossofhabitatandhabitatfragmentationInvasivespecies,includingdiseasesWhyisbiodiversityimportant?

为什么生物多样性很重要？SomeChongqingexamples一些重庆的例子云豹

NeofelisnebulosaEachspecieshasarange.Inthiscase,therangehasbecomefragmented.Asaresult,thespeciesisendangered(maybecomeextinct).

物种分布SanAntonioZooIUCNRedBook大鲵

Andriasdavidianus,Chinesegiantsalamander,criticallyendangeredRoyalOntarioMuseumCanada–plasticmodel大鲵

AndriasdavidianusThegiantsalamanderisonlyinChina(i.e.endemic).ThemostviablepopulationisintheChongqingregion.Thegeneticdiversityoffarmedanimalsislessthanthegeneticdiversityofwildanimals.Thereforewemustfarmthemforfood(sothatthewildonesarenotkilled)andkeepthewildonesfortheirgenes.NanchuanJackfruit

南川木菠萝

Artocarpusnanchuanensis

Plantshavemanyeconomicvaluesaswellasintrinsicvalue.NanchuanJackfruitispresentonlyinNanchuanCountyandiscriticallyendangeredinthewild.Bypropagatingitandcreatingacommercialproductitcanbesaved.Thewildtreesmustalsobesavedfortheirgeneticdiversity.DowewantthesespeciestobeseenonlyintheChongqingNaturalHistoryMuseum?

我们希望只在重庆自然博物馆看到这些物种吗？Theyneedtheirnaturalhabitat

那些物种需要他们的自然栖息地Biodiversityalsoprovidesmanyvaluesforhumans导致物种，亚物种及其从属物种

消失和灭绝的因素:

对野生动植物的直接开发和利用栖息地的消失栖息地的破碎与分裂外来物种及疾病的引入和传播

这些影响必须在生物多样性保护

可实施的层面：生态系统中加以消除和解决。DirectexploitationofwildanimalsandplantsLossofhabitatFragmentationofhabitatIntroductionandspreadofexoticspeciesanddiseasesGlobalenvironmentalchange,notablyclimateTheseeffectsmustbeaddressedattheoperationallevelofbiodiversity:theecosystemExtinctionandextirpationofspecies,subspecies,andothertaxaarecausedby:Whatca