Skip navigation
Por favor, use este identificador para citar o enlazar este ítem: http://rid.unrn.edu.ar/handle/20.500.12049/9062

Registro completo de metadatos
Campo DC Valor Lengua/Idioma
dc.contributor.authorBuatois, Luis-
dc.contributor.authorMángano, Gabriela-
dc.contributor.authorDesai, Bhawanisingh-
dc.contributor.authorCarmona, Noelia Beatriz-
dc.contributor.authorBurns, Fiona-
dc.contributor.authorMeek, Dean-
dc.contributor.authorEglington, Bruce-
dc.date.accessioned2022-09-08T13:36:18Z-
dc.date.available2022-09-08T13:36:18Z-
dc.date.issued2022-
dc.identifier.citationBuatois et al. (2022) Infaunalization and resource partitioning during the Mesozoic marine revolution. Geology; 50 (7); 786-790.es_ES
dc.identifier.issn1943-2682es_ES
dc.identifier.otherhttps://pubs.geoscienceworld.org/gsa/geology/article/50/7/786/612997/Infaunalization-and-resource-partitioning-duringes_ES
dc.identifier.urihttp://rid.unrn.edu.ar/handle/20.500.12049/9062-
dc.description.abstractInfaunalization has been regarded as representing a response to increased predation pressures and is therefore central to the Mesozoic marine revolution, which gives pre-eminence to the role that enemy-directed evolution has played as a driving force of biotic change. Our ichnologic compilation from 39 Middle Triassic to Late Jurassic shallow-marine siliciclastic units allows us to evaluate the vertical partitioning of the infaunal ecospace through the application of the ichnoguild concept. This study shows that infaunal communities experienced a marked increase in ecospace utilization during the Early Jurassic, reaching a plateau during the rest of the Jurassic. This trend is expressed by an increase in the maximum number of ichnoguilds per community and per tier and in the number of ichnotaxa per ichnoguild. This pattern shows important partitioning of the infaunal ecospace into a series of tiers and that several organisms were able to exploit the same resources available at discrete sediment zones below the sea bottom. The increase in the maximum number of ichnoguilds per community and per tier suggests that niche partitioning was a key factor in a more efficient use of the infaunal ecospace and in driving alpha diversity. However, the increase in the number of ichnotaxa per ichnoguild indicates that ichnoguilds were packed with organisms exploiting similar resources, arguing against the role of competitive exclusion in structuring communities. Because several episodes of predation increase took place during the Mesozoic, an unequivocal link between predation pressures and infaunalization cannot be demonstrated empirically.es_ES
dc.format.extentp. 786-790es_ES
dc.language.isoenes_ES
dc.publisherGeoScienceWorldes_ES
dc.relation.urihttps://pubs.geoscienceworld.org/geologyes_ES
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.titleInfaunalization and resource partitioning during the Mesozoic marine Revolutiones_ES
dc.typeArticuloes_ES
dc.rights.licenseCreative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-ND 4.0)-
dc.description.filiationBuatois, Luis. Department of Geological Sciences, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canadaes_ES
dc.description.filiationMángano, Gabriela. Department of Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N 5E2, Canada,es_ES
dc.description.filiationDesai, B. School of Petroleum Technology, Pandit Deendayal Energy University, Raisan, Gandhinagar, Gujarat 382007, Indiaes_ES
dc.description.filiationCarmona, Noelia Beatriz. Universidad Nacional de Río Negro, Instituto de Investigación en Paleobiología y Geología, Río Negro, Argentina.es_ES
dc.description.filiationBurns, Fiona. Firmground, 34 Warrener Gardens, Perth, WA 6018, Australiaes_ES
dc.description.filiationMeek, Dean. Department of Geological Sciences, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canadaes_ES
dc.description.filiationEglington, Bruce. Department of Geological Sciences, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canadaes_ES
dc.subject.keywordinfaunalizationes_ES
dc.subject.keywordMesozoices_ES
dc.subject.keywordPaleontologíaes_ES
dc.type.versioninfo:eu-repo/semantics/publishedVersiones_ES
dc.subject.materiaCiencias Exactas y Naturaleses_ES
dc.origin.lugarDesarrolloUniversidad Nacional de Río Negroes_ES
dc.relation.journalissue50 (7)es_ES
dc.description.reviewtruees_ES
dc.description.resumenInfaunalization has been regarded as representing a response to increased predation pressures and is therefore central to the Mesozoic marine revolution, which gives pre-eminence to the role that enemy-directed evolution has played as a driving force of biotic change. Our ichnologic compilation from 39 Middle Triassic to Late Jurassic shallow-marine siliciclastic units allows us to evaluate the vertical partitioning of the infaunal ecospace through the application of the ichnoguild concept. This study shows that infaunal communities experienced a marked increase in ecospace utilization during the Early Jurassic, reaching a plateau during the rest of the Jurassic. This trend is expressed by an increase in the maximum number of ichnoguilds per community and per tier and in the number of ichnotaxa per ichnoguild. This pattern shows important partitioning of the infaunal ecospace into a series of tiers and that several organisms were able to exploit the same resources available at discrete sediment zones below the sea bottom. The increase in the maximum number of ichnoguilds per community and per tier suggests that niche partitioning was a key factor in a more efficient use of the infaunal ecospace and in driving alpha diversity. However, the increase in the number of ichnotaxa per ichnoguild indicates that ichnoguilds were packed with organisms exploiting similar resources, arguing against the role of competitive exclusion in structuring communities. Because several episodes of predation increase took place during the Mesozoic, an unequivocal link between predation pressures and infaunalization cannot be demonstrated empirically.es_ES
dc.identifier.doihttps://doi.org/10.1130/G50088.1-
dc.relation.journalTitleGeologyes_ES
Aparece en las colecciones: Artículos

Archivos en este ítem:
Archivo Descripción Tamaño Formato  
Buatois et al., 2022 - Geology.pdf2,72 MBAdobe PDFVisualizar/Abrir

Este documento es resultado del financiamiento otorgado por el Estado Nacional, por lo tanto queda sujeto al cumplimiento de la Ley N° 26.899


Este ítem está sujeto a una licencia Creative Commons Licencia Creative Commons Creative Commons