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dc.contributor.author
Diez, Mariano Javier
dc.contributor.author
Cabreira, Ariel Gustavo
dc.contributor.author
Madirolas, Adrian Osvaldo Madirolas
dc.contributor.author
Martín de Nascimento, Jacobo
dc.contributor.author
Scioscia, Gabriela
dc.contributor.author
Schiavini, Adrian Carlos Miguel
dc.contributor.author
Lovrich, Gustavo Alejandro
dc.date.available
2019-10-21T21:07:14Z
dc.date.issued
2018-12
dc.identifier.citation
Diez, Mariano Javier; Cabreira, Ariel Gustavo; Madirolas, Adrian Osvaldo Madirolas; Martín de Nascimento, Jacobo; Scioscia, Gabriela; et al.; Winter is cool: spatio temporal patterns of the squat lobster Munida gregaria and the Fuegian sprat Sprattus fuegensis in a sub‑Antarctic estuarine environment; Springer; Polar Biology; 41; 12; 12-2018; 2591-2605
dc.identifier.issn
0722-4060
dc.identifier.uri
http://hdl.handle.net/11336/86764
dc.description.abstract
In the sub-Antarctic waters of southern South America, two species that form conspicuous pelagic aggregations are considered both potential fishery resources and ecologically important: the Fuegian sprat Sprattus fuegensis and the squat lobster Munida gregaria. Here, we estimate spatio-temporal patterns of the relative abundance, distribution and potential areas of overlapping of M. gregaria and S. fuegensis in the Beagle Channel. Acoustic data were collected from 18 surveys conducted between 2009 and 2016 in the Beagle Channel. Our observations on the pelagic aggregations revealed that M. gregaria swarms and S. fuegensis schools occurred along the channel throughout the year. However, the occurrence of S. fuegensis was more evident in the inner part of the channel during the winter. There was a negative relationship between the relative abundance of squat lobsters and Fuegian sprats throughout the year. This interaction may result from spatial competition associated with resources, particularly in summer. The vertical distribution and morphology of aggregations of both species showed seasonal differences. Specifically, schools of Fuegian sprats were typically pelagic in summer, whereas in winter they were bigger and associated with the bottom layer. This change could be associated with a seasonal change in the oceanographic regime of the Beagle Channel. The information presented here is necessary to understand processes in a context of possible opening of fisheries targeting these two species that have key ecological roles in this sub-Antarctic ecosystem.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
BEAGLE CHANNEL
dc.subject
MAGELLANIC REGION
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NEGATIVE INTERACTIONS
dc.subject
PELAGIC SCHOOLS AND SWARMS
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SEASONAL FLUCTUATIONS
dc.subject.classification
Biología Marina, Limnología
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Winter is cool: spatio temporal patterns of the squat lobster Munida gregaria and the Fuegian sprat Sprattus fuegensis in a sub‑Antarctic estuarine environment
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-10-17T14:02:11Z
dc.identifier.eissn
1432-2056
dc.journal.volume
41
dc.journal.number
12
dc.journal.pagination
2591-2605
dc.journal.pais
Alemania
dc.journal.ciudad
Berlín
dc.description.fil
Fil: Diez, Mariano Javier. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.description.fil
Fil: Cabreira, Ariel G.. Instituto Nacional de Investigaciones y Desarrollo Pesquero; Argentina
dc.description.fil
Fil: Madirolas, Adrian Osvaldo Madirolas. Instituto Nacional de Investigaciones y Desarrollo Pesquero; Argentina
dc.description.fil
Fil: Martín de Nascimento, Jacobo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.description.fil
Fil: Scioscia, Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.description.fil
Fil: Schiavini, Adrian Carlos Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.description.fil
Fil: Lovrich, Gustavo Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.journal.title
Polar Biology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/s00300-018-2394-2
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1007/s00300-018-2394-2
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