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dc.contributor.author
Rumbold, Carlos Enrique
dc.contributor.author
Obenat, Sandra Mabel
dc.contributor.author
Spivak, Eduardo Daniel
dc.date.available
2019-03-18T14:43:07Z
dc.date.issued
2012-11-01
dc.identifier.citation
Rumbold, Carlos Enrique; Obenat, Sandra Mabel; Spivak, Eduardo Daniel; Life history of Tanais dulongii (Tanaidacea: Tanaidae) in an intertidal flat in the Southwestern Atlantic; Crustacean Society; Journal of Crustacean Biology; 32; 6; 1-11-2012; 891-898
dc.identifier.issn
0278-0372
dc.identifier.uri
http://hdl.handle.net/11336/71821
dc.description.abstract
We studied the life history, reproductive biology and spatial distribution of Tanais dulongii on an intertidal flat near Mar del Plata, Argentina. The animals were obtained by systematic sampling in three intertidal zones (high, mid and low), from October 2008 to September 2009. The population density was low during most of spring and summer, increased during autumn and reached its maximum values at the end of this season (35 000 individuals/m2); a second, but lower, density peak occurred at the end of winter (15 000 individuals/m2). Male density remained below 1000 individuals/m2during most of the year in the three zones, although in September it was higher than 1800 individuals/m2in the high and mid intertidal zones. Female and juvenile density was below 5000 individuals/m2in spring and summer, with little variation between areas, but it differed among areas during autumn and winter, when both groups reached their maximum densities (20 000-40 000 individuals/m2) in the low and mid intertidal zones. Ovigerous females were always present; their maximum occurred in spring and summer but earlier in the low and later in the high intertidal zone. Recruitment was higher in autumn and early winter. The sex ratio was strongly female biased (0.08 ± 0.01). Individual life time was estimated to be 8-9 months and females developed through more instars than males. This study suggests that the different environmental conditions that T. dulongii faced in the 3 intertidal zones caused an important effect on the population dynamics.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Crustacean Society
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Intertidal
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Life History
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Reproduction
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Spatial And Temporal Variation
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Tanais Dulongii
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Otras Ciencias Biológicas
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Life history of Tanais dulongii (Tanaidacea: Tanaidae) in an intertidal flat in the Southwestern 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
2019-01-23T19:09:51Z
dc.journal.volume
32
dc.journal.number
6
dc.journal.pagination
891-898
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Lawrence
dc.description.fil
Fil: Rumbold, Carlos Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
dc.description.fil
Fil: Obenat, Sandra Mabel. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Departamento de Biología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Spivak, Eduardo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
dc.journal.title
Journal of Crustacean Biology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/jcb/article/32/6/891/2419442
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1163/1937240X-00002094
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