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dc.contributor.author
Martinelli, Julieta C.
dc.contributor.author
Gordillo, Sandra
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dc.contributor.author
Archuby, Fernando
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dc.date.available
2017-01-10T19:57:40Z
dc.date.issued
2013-01
dc.identifier.citation
Martinelli, Julieta C.; Gordillo, Sandra; Archuby, Fernando; Muricid drilling predation at high latitudes: insights from the Southernmost Atlantic; Society For Sedimentary Geology; Palaios; 28; 1-2013; 33-41
dc.identifier.issn
0883-1351
dc.identifier.uri
http://hdl.handle.net/11336/11075
dc.description.abstract
Drilling predation is frequently studied in the fossil record. Less information is available from recent environments, however. Previous studies have indicated that drilling predation is usually higher in the tropics but little research has been undertaken in high latitudes. To address this hypothesis, we examine muricid-drilling predation along a 1,000 km transect in southern South America. Drilling frequencies ranged between 3% and 36%, and they were not correlated with the abundance of the predator (Trophon geversianus) or the abundance of its preferred prey. The only locality with exceptionally high predation (36%) was a heavily anthropogenically impacted site. Trophon exhibited different drilling strategies on different prey, and edge drilling represented 27%–56% of the drill holes in mytilids. Drilling frequencies were not correlated with latitude or water temperature. Our results, however, show that drilling frequencies are indeed lower at high latitudes compared to the tropics, and these data provide a recent baseline to compare and interpret spatial variability in muricid drilling predation from past environments. The fact that dead-shell assemblages seem to be recording human-related impacts in this system strengthens their relevance as potentially valuable conservation tools.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Society For Sedimentary Geology
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Bivalvia
dc.subject
Drilling Predation
dc.subject
Latitudinal Gradient
dc.subject
Patagonia Argentina
dc.subject.classification
Paleontología
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Muricid drilling predation at high latitudes: insights from the Southernmost Atlantic
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-01-06T20:01:21Z
dc.journal.volume
28
dc.journal.pagination
33-41
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Tulsa
dc.description.fil
Fil: Martinelli, Julieta C.. Macquarie University; Australia
dc.description.fil
Fil: Gordillo, Sandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Centro de Investigaciones En Ciencias de la Tierra; Argentina
dc.description.fil
Fil: Archuby, Fernando. Universidad Nacional de Rio Negro. Sede Alto Valle. Instituto de Investigaciones En Paleobiologia y Geologia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.journal.title
Palaios
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://dx.doi.org/10.2110/palo.2012.p12-087r
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://palaios.geoscienceworld.org/content/28/1/33
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://palaios.sepmonline.org/content/28/1/33
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