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dc.contributor.author
Travaini, Alejandro
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dc.contributor.author
Zapata, Sonia Cristina
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dc.contributor.author
Zanón Martínez, Juan Ignacio
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dc.contributor.author
Martinez Peck, Rolando
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dc.date.available
2024-05-30T12:06:07Z
dc.date.issued
2010-04
dc.identifier.citation
Travaini, Alejandro; Zapata, Sonia Cristina; Zanón Martínez, Juan Ignacio; Martinez Peck, Rolando; A monitoring program for Patagonian foxes based on power analysis; Springer; European Journal of Wildlife Research; 56; 3; 4-2010; 421-433
dc.identifier.issn
1612-4642
dc.identifier.uri
http://hdl.handle.net/11336/236535
dc.description.abstract
Culpeo fox (Pseudalopex culpaeus) and gray fox (Pseudalopex griseus) are heavily culled in Patagonia. Fox populations seem to persist thanks to spatial refuges from which hunted areas are repopulated, following a source¨C sink dynamics. Sustainable use of Patagonian foxes warrants the design of a monitoring program in nature reserves and areas subjected to predator control. During 7 years, we used visitation indices to bait stations in a national park and neighboring sheep ranches of southern Argentina. We operated bait stations during three consecutive nights and calculated seven indices of relative abundance. For each fox species, we compared the power of different monitoring designs and scenarios that combined visitation indices, effort (number of bait station lines and survey frequency) while controlling for type I error, and magnitude of population change during a given period. We looked at the combinations that produced high power (¦Â¡Ü0.24). The operation of bait stations during several nights markedly increased statistical power. Index 7 (recording visits 72 h after activation) exhibited the lowest variation and improved expected power to detect a population trend. Both fox species could be monitored simultaneously, with power >0.76 in the short term (5 years), activating 24 bait station lines. We conclude that monitoring programs for culpeo fox and gray fox based on bait stations are able to detect marked declines but are less useful to reliably detect moderate increases in abundance, especially in sheep ranches.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
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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
ARGENTINA
dc.subject
BAIT STATIONS
dc.subject
CULPEO FOX
dc.subject
GRAY FOX
dc.subject
POPULATION MANAGEMENT
dc.subject
SUSTAINABLE USE
dc.subject.classification
Ecología
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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
A monitoring program for Patagonian foxes based on power analysis
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-05-30T10:57:06Z
dc.journal.volume
56
dc.journal.number
3
dc.journal.pagination
421-433
dc.journal.pais
Alemania
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dc.journal.ciudad
Berlin
dc.description.fil
Fil: Travaini, Alejandro. Universidad Nacional de la Patagonia Austral. Unidad Académica Caleta Olivia. Centro de Investigaciones Puerto Deseado; Argentina. Consejo Superior de Investigaciones Científicas. Estación Biológica de Doñana; España
dc.description.fil
Fil: Zapata, Sonia Cristina. Universidad Nacional de la Patagonia Austral. Unidad Académica Caleta Olivia. Centro de Investigaciones Puerto Deseado; Argentina
dc.description.fil
Fil: Zanón Martínez, Juan Ignacio. Universidad Nacional de la Patagonia Austral. Unidad Académica Caleta Olivia. Centro de Investigaciones Puerto Deseado; Argentina. Consejo Superior de Investigaciones Científicas. Estación Biológica de Doñana; España
dc.description.fil
Fil: Martinez Peck, Rolando. Universidad Nacional de la Patagonia Austral. Unidad Académica Caleta Olivia. Centro de Investigaciones Puerto Deseado; Argentina
dc.journal.title
European Journal of Wildlife Research
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/s10344-009-0337-5
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s10344-009-0337-5
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