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Documents disponibles écrits par cet auteur (10)
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Article
Fabricio C. Gorleri, Auteur ; Emilio A. Jordan, Auteur ; Ignacio Roesler, Auteur ; Diego Monteleone, Auteur ; Juan I. Areta, AuteurCitizen science data are increasingly used for biodiversity monitoring. However, concerns are often raised over the accuracy of species identifications in citizen science databases, as data are collected mostly by non-professionals. Misidentific[...]
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Lucas M. Leveau, Auteur ; Fabricio C. Gorleri, Auteur ; Ignacio Roesler, Auteur ; Francisco González-Táboas, AuteurRaptor communities are negatively impacted by urbanization. However, some species can thrive in urban areas. Raptor species traits that favour their presence in urban areas have been scarcely studied. Moreover, phylogenetic relatedness may be a [...]
Article
Andrés De Miguel, Auteur ; Laura Fasola, Auteur ; Ignacio Roesler, Auteur ; Lucía Martin, Auteur ; Natalia Cossa, Auteur ; Emilia Giusti, AuteurSince its rediscovery in 1998, two major threats have been mentioned for the enigmatic Austral Rail Rallus antarcticus: cattle management by burning grass and rushes and predation by American mink Neovison vison. Added to the lack of a protocol [...]
Article
Natalia A. Cossa, Auteur ; Laura Fasola, Auteur ; Ignacio Roesler, Auteur ; Juan Carlos Reboreda, Auteur
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Natalia A. Cossa, Auteur ; Laura Fasola, Auteur ; Ignacio Roesler, Auteur ; Juan Carlos Reboreda, AuteurThe Ruddy-headed Goose Chloephaga rubidiceps has two separate and genetically distinct populations, one sedentary that inhabits the Malvinas/Falklands Islands and another migratory, which inhabits continental southern South America. New informat[...]
Article
Natalia A. Cossa, Auteur ; Laura Fasola, Auteur ; Ignacio Roesler, Auteur ; Juan Carlos Reboreda, AuteurSummary The Ruddy-headed Goose Chloephaga rubidiceps has two separate and genetically distinct populations, one sedentary that inhabits the Malvinas/Falklands Islands and another migratory, which inhabits continental southern South America. New [...]
Article
Ignacio Roesler, Auteur ; Santiago Imberti, AuteurInformation on Nearctic shorebirds is scarce for inland South America. This work presents information on abundance and habitat use of the species that inhabit water bodies in the highlands of western Santa Cruz province, Argentina. Surveys were [...]
Article
Juan Mazar Barnett, Auteur ; Santiago Imberti, Auteur ; Ignacio Roesler, AuteurWe present the results of searches for the Austral Rail Rallus antarcticus in Argentine and Chilean Patagonia between January 1998 and February 2006 and from subsequent visits. We surveyed 58 localities and found the rail in 22, which collective[...]
Article
Ignacio Roesler, Auteur ; Santiago Imberti, Auteur ; Hernan Casanas, Auteur ; Bettina Mahler, Auteur ; Juan Carlos Reboreda, AuteurWe estimated the present population size of the Hooded Grebe Podiceps gallardoi and compared it with the population in 1985. During the breeding seasons 2009/2010 and 2010/2011 we monitored 251 lakes on the main plateaus of Santa Cruz province, [...]
Article
Ignacio Roesler, Auteur ; Santiago Imberti, Auteur ; Hernan Casanas, Auteur ; Noelia Volpe, AuteurThe Hooded Grebe Podiceps gallardoi has been uplisted to globally 'Endangered' recently mainly because of the rapid population decline suffered within the last 20 years due to factors such as nest depredation by Kelp Gull Larus dominicanus as we[...]
