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. 2008 Oct 10;322(5899):225-30.
doi: 10.1126/science.1165115.

The Status of the World's Land and Marine Mammals: Diversity, Threat, and Knowledge

Jan Schipper  1 Janice S ChansonFederica ChiozzaNeil A CoxMichael HoffmannVineet KatariyaJohn LamoreuxAna S L RodriguesSimon N StuartHelen J TempleJonathan BaillieLuigi BoitaniThomas E Lacher JrRussell A MittermeierAndrew T SmithDaniel AbsolonJohn M AguiarGiovanni AmoriNoura BakkourRicardo BaldiRichard J BerridgeJon BielbyPatricia Ann BlackJ Julian BlancThomas M BrooksJames A BurtonThomas M ButynskiGianluca CatulloRoselle ChapmanZoe CokelissBen CollenJim ConroyJustin G CookeGustavo A B da FonsecaAndrew E DerocherHolly T DublinJ W DuckworthLouise EmmonsRichard H EmslieMarco Festa-BianchetMatt FosterSabrina FosterDavid L GarshelisCormack GatesMariano Gimenez-DixonSusana GonzalezJose Fernando Gonzalez-MayaTatjana C GoodGeoffrey HammersonPhilip S HammondDavid HappoldMeredith HappoldJohn HareRichard B HarrisClare E HawkinsMandy HaywoodLawrence R HeaneySimon HedgesKristofer M HelgenCraig Hilton-TaylorSyed Ainul HussainNobuo IshiiThomas A JeffersonRichard K B JenkinsCharlotte H JohnstonMark KeithJonathan KingdonDavid H KnoxKit M KovacsPenny LanghammerKristin LeusRebecca LewisonGabriela LichtensteinLloyd F LowryZoe MacavoyGeorgina M MaceDavid P MallonMonica MasiMeghan W McKnightRodrigo A MedellínPatricia MediciGus MillsPatricia D MoehlmanSanjay MolurArturo MoraKristin NowellJohn F OatesWanda OlechWilliam R L OliverMonik OpreaBruce D PattersonWilliam F PerrinBeth A PolidoroCaroline PollockAbigail PowelYelizaveta ProtasPaul RaceyJim RaglePavithra RamaniGalen RathbunRandall R ReevesStephen B ReillyJohn E Reynolds 3rdCarlo RondininiRuth Grace Rosell-AmbalMonica RulliAnthony B RylandsSimona SaviniCody J SchankWes SechrestCaryn Self-SullivanAlan ShoemakerClaudio Sillero-ZubiriNaamal De SilvaDavid E SmithChelmala SrinivasuluPeter J StephensonNico van StrienBibhab Kumar TalukdarBarbara L TaylorRob TimminsDiego G TiriraMarcelo F TognelliKaterina TsytsulinaLiza M VeigaJean-Christophe ViéElizabeth A WilliamsonSarah A WyattYan XieBruce E Young
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Free article

The Status of the World's Land and Marine Mammals: Diversity, Threat, and Knowledge

Jan Schipper et al. Science. .
Free article

Abstract

Knowledge of mammalian diversity is still surprisingly disparate, both regionally and taxonomically. Here, we present a comprehensive assessment of the conservation status and distribution of the world's mammals. Data, compiled by 1700+ experts, cover all 5487 species, including marine mammals. Global macroecological patterns are very different for land and marine species but suggest common mechanisms driving diversity and endemism across systems. Compared with land species, threat levels are higher among marine mammals, driven by different processes (accidental mortality and pollution, rather than habitat loss), and are spatially distinct (peaking in northern oceans, rather than in Southeast Asia). Marine mammals are also disproportionately poorly known. These data are made freely available to support further scientific developments and conservation action.

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