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dc.contributor.author
Garaffo, Griselda Valeria
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dc.contributor.author
Dans, Silvana Laura
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dc.contributor.author
Pedraza, Susana Noemi
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dc.contributor.author
Degrati, Mariana
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dc.contributor.author
Schiavini, Adrian Carlos Miguel
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dc.contributor.author
González, Raul Alberto Candido
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dc.contributor.author
Crespo, Enrique Alberto
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dc.date.available
2020-01-03T18:07:15Z
dc.date.issued
2011-01
dc.identifier.citation
Garaffo, Griselda Valeria; Dans, Silvana Laura; Pedraza, Susana Noemi; Degrati, Mariana; Schiavini, Adrian Carlos Miguel; et al.; Modeling habitat use for dusky dolphin and Commerson's dolphin in Patagonia; Inter-Research; Marine Ecology Progress Series; 421; 1-2011; 217-227
dc.identifier.issn
0171-8630
dc.identifier.uri
http://hdl.handle.net/11336/93439
dc.description.abstract
Several species of small cetaceans inhabit the coastal area of Patagonia (Argentina), but little is known about their distribution and the degree of overlap between them. The goal of the present study was to build habitat-selection models for small cetaceans in order to assess areas of particular importance for the different species. These models were constructed using physiographic and remotely sensed variables. From 1994 to 2007, 13 aerial surveys were conducted along the Patagonian coast (from Golfo San Matías: 40° 40'-42°14' S, 65° 00'-63°47' W to Bahía de los Nodales: 48°00' S, 65°35' W). A grid of 0.5° × 0.5° cells was constructed for the study area. Each cell was characterized by environmental variables and by the encounter rate (ER) for each cetacean species. The ER of each species was investigated in relation to environmental variables using generalized linear models, and model averaging (multimodel inference) was used to obtain a predicted ER for the different species. The correlation between the ER of different species was analyzed by Spearman rank correlation. The environmental variables that were found to be significant predictors of species distribution differed between species. The ERs of dusky dolphin Lagenorhynchus obscurus and Peale's dolphin L. australis showed a positive relationship. Commerson's dolphin Cephalorhynchus commersonii presented a more coastal distribution than the other species, and individuals were more often found feeding in estuarine zones. Knowledge of the patterns of distribution of small cetaceans along the Patagonian coast provides baseline knowledge of how these species interact with each other and their environment. Such information should be considered when managing potential areas of conflict between coastal small cetaceans and human activities.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Inter-Research
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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
DISTRIBUTION MODELING
dc.subject
DOLPHINS
dc.subject
GENERALIZED LINEAR MODEL
dc.subject
HABITAT SELECTION
dc.subject
PATAGONIA
dc.subject.classification
Biología Marina, Limnología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Modeling habitat use for dusky dolphin and Commerson's dolphin in Patagonia
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-09-20T15:10:26Z
dc.identifier.eissn
1616-1599
dc.journal.volume
421
dc.journal.pagination
217-227
dc.journal.pais
Alemania
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dc.description.fil
Fil: Garaffo, Griselda V.. Universidad Nacional de Mar del Plata; Argentina
dc.description.fil
Fil: Dans, Silvana Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina. Universidad Nacional de la Patagonia "San Juan Bosco"; Argentina
dc.description.fil
Fil: Pedraza, Susana N.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina. Universidad Nacional de la Patagonia "San Juan Bosco"; Argentina
dc.description.fil
Fil: Degrati, Mariana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina. Universidad Nacional de la Patagonia "San Juan Bosco"; Argentina
dc.description.fil
Fil: Schiavini, Adrian Carlos Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina. Wildlife Conservation Society Argentina; Argentina
dc.description.fil
Fil: González, Raul Alberto Candido. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina
dc.description.fil
Fil: Crespo, Enrique Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina. Universidad Nacional de la Patagonia "San Juan Bosco"; Argentina
dc.journal.title
Marine Ecology Progress Series
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.3354/meps08912
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.int-res.com/abstracts/meps/v421/p217-227/
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