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dc.contributor.author
Levy, Eugenia
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dc.contributor.author
González Castro, Mariano
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dc.contributor.author
Timi, Juan Tomas
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dc.date.available
2024-04-26T15:41:13Z
dc.date.issued
2023-11
dc.identifier.citation
Levy, Eugenia; González Castro, Mariano; Timi, Juan Tomas; Parasites as indicators of habitat preferences by hybrids between estuarine and freshwater congeneric silversides (Atherinopsidae); Academic Press Ltd - Elsevier Science Ltd; Estuarine, Coastal and Shelf Science; 294; 11-2023; 1-11
dc.identifier.issn
0272-7714
dc.identifier.uri
http://hdl.handle.net/11336/234119
dc.description.abstract
Silversides of the genus Odontesthes are characterized by their conserved morphology and vast phenotypic plasticity. They have developed complex population structures, promoting hybridization and speciation phenomena and often leading to intricate taxonomies. Within this genus, O. argentinensis, an originally marine species and O. bonariensis, a freshwater species, coexist in Mar Chiquita Coastal Lagoon (central Argentina). This lagoon has an inlet to the sea, creating a saline gradient that promotes highly variable conditions throughout the system. While O. argentinensis has established a resident population inside the lagoon, O. bonariensis is only sporadically found, inhabiting mainly tributary streams. Notably, hybrids between the two have been found in the lagoon. Parasites can significantly influence hybridization in host species, either promoting or hindering the process. From an evolutionary standpoint, parasites can impact hybridization by altering host immune responses, affecting host ecology and fitness. As a result, parasites can be valuable indicators of hybrid host ecology and their evolutionary trajectories. The present study analyzes the parasite communities of these sympatric Odontesthes and their hybrids, and determines their habitat preferences. While O. argentinensis showed evidence of marine parasites, O. bonariensis had a dominance of freshwater species as expected. And, although parasites ofhybrids displayed similarities with both parental species, they indicated a preference of these hosts by freshwater habitats or longer periods of permanence in the oligohaline areas of Mar Chiquita. The presence of pure parental species, the differences in habitat use found between them and hybrids, and the conditioning effect of environmental heterogeneity over the hybridization event support a mosaic model for this hybrid zone. Finally, studies of parasitism in hybrid zones may contribute to understand the evolutionary history and stability of boundaries or possible biological barriers between host species, and they also provide insight on how natural selection and evolution drive speciation, colonization and habitat use in transitional environments.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Academic Press Ltd - Elsevier Science Ltd
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
HYBRID ZONES
dc.subject
PARASITES COMMUNITIES
dc.subject
ODONTESTHES
dc.subject
BIOLOGICAL TAGS
dc.subject
PARASITES IN HYBRIDS
dc.subject.classification
Conservación de la Biodiversidad
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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
Parasites as indicators of habitat preferences by hybrids between estuarine and freshwater congeneric silversides (Atherinopsidae)
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-04-11T20:54:23Z
dc.journal.volume
294
dc.journal.pagination
1-11
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Levy, Eugenia. 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: González Castro, Mariano. 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: Timi, Juan Tomas. 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
Estuarine, Coastal and Shelf Science
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S0272771423003281
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.ecss.2023.108538
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