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024 7 $a10.1007/978-94-007-6055-4
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035   $a(EBL)1083712
035   $a(OCoLC)841367689
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035   $a(PQKBTitleCode)TC0000880185
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035   $a(DE-He213)978-94-007-6055-4
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100   $a20130130d2013      uy         0
101 0 $aeng
135   $aur|n|---|||||
181   $ctxt
182   $cc
183   $acr
200 10$aBiogeography of the quaternary molluscs of the southwestern Atlantic Ocean /$fSergio Martinez, Claudia J. del Rio, Alejandra Rojas
205   $a1st ed. 2013.
210   $aNew York $cSpringer$d2013
215   $a1 online resource (40 p.)
225 1 $aSpringerBriefs in Earth System Sciences,$x2191-589X
300   $aDescription based upon print version of record.
311   $a94-007-6054-X 
327   $aIntroduction -- Present oceanographic conditions -- Present biogeographical units -- Neogene roots -- Quaternary mollusks -- -Outline and Methods -- -Previous studies -- -Species distribution -- Faunal boundaries during the Quaternary -- Final remarks.
330   $aThe Quaternary comprises a brief time in the Earth?s history, and apart from a few exceptions, molluscan assemblages recovered from exposures along the coast of Southwestern South America (Southern Brazil, Uruguay, Argentina) are essentially the same than those that inhabit the region today, leading to the assumption that no important change in the distribution of the faunas since Pleistocene times has occurred. However, the good taxonomic and temporal resolution reached in the last years, allowed us to detect some biogeographic changes, although traditional biogeographic units remain the same (i.e. Magellanic and Argentinean Provinces). These modifications involve mainly variations in the taxonomic composition of the assemblages and in the southern boundaries of some species distributions (extralimital species), today retracted northwards. These changes are related to southward shifts of the warm waters of the Brazilian Current, correlated with global warm peaks. This phenomenon was more intense in the Late Pleistocene (MIS 5e) and in the Holocene between ca. 6500-3500 14C yr.
410  0$aSpringerBriefs in Earth System Sciences,$x2191-589X
606   $aMollusks$zAtlantic Ocean
606   $aBiogeography
615  0$aMollusks
615  0$aBiogeography.
676   $a564
700   $aMartinez$b Sergio$f1958-$01757773
701   $aRio$b Claudia J. del$01757774
701   $aRojas$b Alejandra$f1958-$01757775
801  0$bMiAaPQ
801  1$bMiAaPQ
801  2$bMiAaPQ
906   $aBOOK
912   $a9910437785203321
996   $aBiogeography of the quaternary molluscs of the southwestern Atlantic Ocean$94195741
997   $aUNINA