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OLS Field Name OLS Field Data
Main Title Biogeography of the Quaternary Molluscs of the Southwestern Atlantic Ocean [electronic resource] /
Type EBOOK
Author Martínez, Sergio.
Other Authors
Author Title of a Work
del Río, Claudia J.
Rojas, Alejandra.
Publisher Springer Netherlands : Imprint: Springer,
Year Published 2013
Call Number QE701-760
ISBN 9789400760554
Subjects Geography. ; Paleontology. ; Endangered ecosystems. ; Morphology (Animals).
Internet Access
Description Access URL
http://dx.doi.org/10.1007/978-94-007-6055-4
Collation IX, 36 p. 16 illus., 3 illus. in color. online resource.
Notes Due to license restrictions, this resource is available to EPA employees and authorized contractors only
Contents Notes Introduction -- Present oceanographic conditions -- Present biogeographical units -- Neogene roots -- Quaternary mollusks -- -Outline and Methods -- -Previous studies -- -Species distribution -- Faunal boundaries during the Quaternary -- Final remarks. The 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.
Place Published Dordrecht
Corporate Au Added Ent SpringerLink (Online service)
Title Ser Add Ent SpringerBriefs in Earth System Sciences,
Host Item Entry Springer eBooks
PUB Date Free Form 2013
Series Title Untraced SpringerBriefs in Earth System Sciences,
BIB Level m
Medium computer
Content text
Carrier online resource
Cataloging Source OCLC/T
OCLC Time Stamp 20130727071925
Language eng
Origin SPRINGER
Type EBOOK
OCLC Rec Leader 03151nam a22005055i 45