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dc.contributor.author
Quiroga, Analía Pamela  
dc.contributor.author
Lancelotti, Julio Lucio  
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Riva Rossi, Carla Marcela  
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Tagliaferro, Marina Beatriz  
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Garcia Asorey, Martin Ignacio  
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Pascual, Miguel Alberto  
dc.date.available
2017-12-07T16:07:56Z  
dc.date.issued
2015-02  
dc.identifier.citation
Quiroga, Analía Pamela; Lancelotti, Julio Lucio; Riva Rossi, Carla Marcela; Tagliaferro, Marina Beatriz; Garcia Asorey, Martin Ignacio; et al.; Dams versus habitat: predicting the effects of dams on habitat supply and juvenile rainbow trout along the Santa Cruz River, Patagonia; Springer; Hydrobiologia; 755; 1; 2-2015; 57-72  
dc.identifier.issn
0018-8158  
dc.identifier.uri
http://hdl.handle.net/11336/29961  
dc.description.abstract
Because of their remote location and lack of supporting infrastructure, large glacial rivers of southern Patagonia have remained free of dams. But this is bound to change: two dams proposed for the Santa Cruz River would supply 16% of Argentina’s hydropower and five dams planned for the Pascua and Baker Rivers could supply over 20% of Chile’s hydropower. In this paper, we project the losses of habitat and juvenile Oncorhynchus mykiss, a recreationally important species, following the construction of the two dams in the Santa Cruz River. We applied a two-stage fitting approach, using generalized additive models and generalized lineal models (GLMs) sequentially to describe habitat-species relationships based on data collected through an intensive field survey of fish and environmental variables along 310 km of river. A simplified GLM trout model based on wetted width, substrate size, and river kilometer was selected which represents the observed geographic distribution very well and with the lowest predictive error. Based on this model, we estimated that habitat supporting 86% of current juvenile trout production will be lost to flooding by the dams. Our data generate a rare opportunity to perform a dam impact assessment by comparison with potential post-dam conditions.  
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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
Oncorhynchus Mykiss  
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Juvenile Fish  
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Habitat Variables  
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Species Habitat Models  
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Dams  
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Patagonia  
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Argentina  
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Otras Ciencias Biológicas  
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Ciencias Biológicas  
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CIENCIAS NATURALES Y EXACTAS  
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Meteorología y Ciencias Atmosféricas  
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Ciencias de la Tierra y relacionadas con el Medio Ambiente  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
Dams versus habitat: predicting the effects of dams on habitat supply and juvenile rainbow trout along the Santa Cruz River, Patagonia  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
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info:eu-repo/semantics/publishedVersion  
dc.date.updated
2017-07-13T14:01:57Z  
dc.identifier.eissn
1573-5117  
dc.journal.volume
755  
dc.journal.number
1  
dc.journal.pagination
57-72  
dc.journal.pais
Alemania  
dc.journal.ciudad
Berlin  
dc.description.fil
Fil: Quiroga, Analía Pamela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina  
dc.description.fil
Fil: Lancelotti, Julio Lucio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina  
dc.description.fil
Fil: Riva Rossi, Carla Marcela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina  
dc.description.fil
Fil: Tagliaferro, Marina Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina  
dc.description.fil
Fil: Garcia Asorey, Martin Ignacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina  
dc.description.fil
Fil: Pascual, Miguel Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina  
dc.journal.title
Hydrobiologia  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://link.springer.com/article/10.1007/s10750-015-2217-1#page-1  
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info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s10750-015-2217-1