Zobrazeno 1 - 10 of 13 pro vyhledávání: '"Gatto, Alejandro Javier"'
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Land birds: species checklist and ecological aspects
Autor: Krapovickas, Santiago, Gatto, Alejandro Javier, Lorenzo, Rafael S., Fernández, Cynthia
Publikováno v: Reserva de Vida Silvestre San Pablo de Valdés : 10 años : conservando el patrimonio natural y cultural de Península Valdés, Patagonia, Argentina
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Muestreamos la avifauna terrestre de la Reserva de Vida Silvestre San Pablo de Valdés mediante “conteos de puntos” periódicos, entre 2009 y 2014, para detectar tendencias en los ensambles asociadas a la exclusión del ganado. Registramos 48 esp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b55601c5ff8950d98d0b9b05e6cfa962
https://www.vidasilvestre.org.ar/sala_redaccion/opublicaciones/?17960/Reserva-de-Vida-Silvestre-San-Pablo-de-Valds---10-aos
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3
Spatial and seasonal characterization of the waterbird assemblage of The Strobel Plateau, Patagonia, Argentina
Autor: Pohorylow, Mirna Laura, Gatto, Alejandro Javier, Lancelotti, Julio Lucio
Publikováno v: CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Los humedales se encuentran entre los ecosistemas más relevantes debido a su papel como reservorios de biodiversidad y su rol ecológico es particularmente importante en las regiones áridas. Este estudio analiza la estructura de los ensambles de av
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::21436539c61376e6b845679b21bebbae
http://journals.sfu.ca/ornneo/index.php/ornneo/article/view/153
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4
Patrones de abastecimiento de presas en relación con la edad de pollos en el Gaviotín Sudamericano (Sterna hirundinacea)
Autor: Fernández Ajó, Alejandro A., Gatto, Alejandro Javier, Yorio, Pablo Martin
Publikováno v: CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
The study of temporal patterns in diet composition is crucial to interpret adequately severalaspects of seabird ecology and life history. The variation in prey composition and prey size in relation tochick age were evaluated in a South American Tern
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::06426ac32292b7ad4e563d0dcdcb7a34
https://sora.unm.edu/node/133244
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6
Nocturnal activity in breeding olrogs gulls (Larus atlanticus)
Autor: Yorio, Pablo Martin, Suarez, Nicolas Marcelo, Quintana, Flavio Roberto, Gatto, Alejandro Javier
Birds have been traditionally considered as being mostly diurnal, with a few groups being characteristically nocturnal in their habits (Martin 1990). Among colonial waterbirds, many species are strictly or regularly active at night (McNeil et al. 199
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3498::1a7bc8d8a048c6630172717180b6aff9
https://sora.unm.edu/sites/default/files/journals/on/v016n01/p0123-p0126.pdf
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7
Apparent selective advantage of leucism in a coastal population of Southern caracaras (Falconidae)
Autor: Edelaar, Pim, Donázar, José A., Soriano, Matías, Santillán, Miguel Angel, Gónzalez-Zevallos, Diego, García Borboroglu, Pablo, Lisnizer, Nora, Gatto, Alejandro Javier, Agüero, María Laura, Passera, Carlos A.
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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Background: Southern caracaras are medium-sized raptors with a large range stretching to the southern tip of South America. An aberrant, leucistic plumage is found commonly along the coast of Chubut Province (Patagonia, Argentina). Leucistic birds do
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::5e1910edbeacd1e10d2d1ff9ac260970
http://hdl.handle.net/10261/49680
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8
Relevance of forage fish in the diet of Magellanic penguins breeding in northern Patagonia, Argentina
Autor: Pablo Yorio, Alejandro Javier Gatto, Oscar Biagioni, Joanna Castillo, Diego González-Zevallos
Publikováno v: Marine Biology Research. 13:603-617
We quantified the trophic niche of Magellanic penguins (Spheniscus magellanicus) breeding and moulting in Golfo San Jorge, Argentina, through conventional stomach content and stable isotope analysis. A total of 112 adults were flushed during the earl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1feb5ad0bf68abf13c1da5f86914d2e4
https://doi.org/10.1080/17451000.2016.1273529
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9
Forage fish to growing chicks: shared food resources between two closely related tern species
Autor: Pablo Yorio, Cristian Marinao, Nicolás Suárez, Alejandro Javier Gatto
Publikováno v: Marine Biology. 166
The assessment of the relevance of forage fsh in seabird diet and how diferent species partition food resources is fundamental to understand predator–prey relationships. We assessed the importance of forage fsh in the diet of Royal (Thalasseus maxi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ee904080e57c2c0d204d0a8ce91ebe1
https://doi.org/10.1007/s00227-019-3570-9
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10
Shared dietary niche between sexes in Magellanic Penguins
Autor: Joanna Miriam Castillo, Alejandro Javier Gatto, Pablo Yorio
Prey use by male and female Magellanic Penguins (Spheniscus magellanicus) was quantified during chick rearing in northern Golfo San Jorge, Argentina and the dietary niches and diet composition of each sex were assessed and compared. A total of 67 mal
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9bdf0d6587db627633a835ee661eaf99
Wiley Online Library
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