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dc.contributor.author
Procksch, Natália  
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Grandi, Maria Florencia  
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Ott, Paulo Henrique  
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Groch, Karina  
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Flores, Paulo A. C.  
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Zagonel, Marcelo  
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Crespo, Enrique Alberto  
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Machado, Rodrigo  
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Pavez, Guido  
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Guimarães, Murilo  
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Veronez, Maurício  
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de Oliveira, Larissa Rosa  
dc.date.available
2021-07-21T13:53:24Z  
dc.date.issued
2020-12  
dc.identifier.citation
Procksch, Natália; Grandi, Maria Florencia; Ott, Paulo Henrique; Groch, Karina; Flores, Paulo A. C.; et al.; The northernmost haulout site of South American sea lions and fur seals in the western South Atlantic; Springer Nature; Scientific Reports; 10; 12-2020  
dc.identifier.uri
http://hdl.handle.net/11336/136569  
dc.description.abstract
We present estimates of the seasonal and spatial occupation by pinnipeds of the Wildlife Refuge of Ilha dos Lobos (WRIL), based on aerial photographic censuses. Twenty aerial photographic censuses were analysed between July 2010 and November 2018. To assess monthly differences in the numbers of pinnipeds in the WRIL we used a Generalized Linear Mixed Model. Spatial analysis was carried out using Kernel density analysis of the pinnipeds on a grid plotted along the WRIL. Subadult male South American sea lions (Otaria flavescens) were the most abundant pinniped in the WRIL. Potential females of this species were also recorded during half of the census. The maximum number of pinnipeds observed in the WRIL was 304 in September 2018, including an unexpected individual southern elephant seal (Mirounga leonina), and a high number of South American fur seal yearlings (Arctocephalus australis). However, there was no statistically significant difference in counts between months. In all months analysed, pinnipeds were most often found concentrated in the northern portion of the island, with the highest abundances reported in September. This study confirms the importance of the WRIL as a haulout site for pinnipeds in Brazil, recommends that land research and recreational activities occur in months when no pinnipeds are present, and encourages a regulated marine mammal-based tourism during winter and spring months.  
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application/pdf  
dc.language.iso
eng  
dc.publisher
Springer Nature  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/  
dc.subject
SEA LIONS  
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OTARIA FLAVESCENS  
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SOUTH AMERICAN  
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Otras Ciencias Biológicas  
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Ciencias Biológicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
The northernmost haulout site of South American sea lions and fur seals in the western South Atlantic  
dc.type
info:eu-repo/semantics/article  
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info:ar-repo/semantics/artículo  
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info:eu-repo/semantics/publishedVersion  
dc.date.updated
2020-12-04T14:43:59Z  
dc.identifier.eissn
2045-2322  
dc.journal.volume
10  
dc.journal.pais
Reino Unido  
dc.journal.ciudad
Londres  
dc.conicet.avisoEditorial
This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.  
dc.description.fil
Fil: Procksch, Natália. Universidad de Vale do Rio dos Sinos; Brasil  
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Fil: Grandi, Maria Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina  
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Fil: Ott, Paulo Henrique. Universidade Estadual Do Rio Grande Do Sul; Brasil. Grupo de Estudos de Mamíferos Aquáticos Do Rio Grande Do Sul (GEMARS); Brasil  
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Fil: Groch, Karina. Instituto Australis de Pesquisa E Monitoramento Ambiental. Projeto Baleia Franca; Brasil  
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Fil: Flores, Paulo A. C.. Centro Mamíferos Aquáticos, Currently at Área de Proteção Ambiental; Brasil  
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Fil: Zagonel, Marcelo. Universidad de Vale do Rio dos Sinos; Brasil  
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Fil: Crespo, Enrique Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina  
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Fil: Machado, Rodrigo. Grupo de Estudos de Mamíferos Aquáticos Do Rio Grande Do Sul (GEMARS); Brasil  
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Fil: Pavez, Guido. Universidad de Valparaiso; Chile  
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Fil: Guimarães, Murilo. Universidade Federal do Rio Grande do Sul; Brasil  
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Fil: Veronez, Maurício. Universidad de Vale do Rio dos Sinos; Brasil  
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Fil: de Oliveira, Larissa Rosa. Grupo de Estudos de Mamíferos Aquáticos Do Rio Grande Do Sul (GEMARS); Brasil. Universidad de Vale do Rio dos Sinos; Brasil  
dc.journal.title
Scientific Reports  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1038/s41598-020-76755-2  
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info:eu-repo/semantics/altIdentifier/url/http://www.nature.com/articles/s41598-020-76755-2