Results 31 to 40 of about 523 (166)

High trophic overlap within the seabird community of Argentinean Patagonia: a multiscale approach [PDF]

Journal of Animal Ecology, 2004
Summary Food web interactions in animal communities can be investigated through the measurement of stable isotopes (e.g. δ15N, δ13C). We used this approach in a community of 14 species of seabirds breeding on the Argentinean Patagonian coast. Tissue samples were collected from nestling and adult seabirds, as well as prey, during three consecutive ...
Forero, Manuela G., Bortolotti, Gary R., Hobson, Keith A., Donazar, Jose A., Bertellotti, Néstor Marcelo, Blanco, Guillermo   +5 more
openaire   +3 more sources

Helminth parasites of alien freshwater fishes in Patagonia (Argentina)

International Journal for Parasitology: Parasites and Wildlife, 2018
A survey of the helminth parasites of alien freshwater fishes from Argentinean Patagonia is presented, based on samples taken from 2010 to 2017 and including previous published records.
Carlos Rauque, Gustavo Viozzi, Verónica Flores, Rocío Vega, Agustina Waicheim, Guillermo Salgado-Maldonado   +5 more
doaj   +1 more source

Confederações indígenas em luta por participação política, comercial e territorial: Argentina, 1852 - 1859 Argentinean native-american confederations in action: politics, commerce and territories (1852-1859)

História, 2009
Entre 1852 e 1859, a atual Argentina se encontrava politicamente dividida entre Buenos Aires e a Confederação, que congregava as demais Províncias.
Gabriel Passetti
doaj   +1 more source

First Descriptions of Aquatic Arthropods in an Unpolluted Native Forest Relict (Rucamanque, 38° S, Araucaria Region, Chile)

Zoodiversity, 2021
The Araucania region (38° S, Chile) originally had native perennial forest in middle valleys regions, that was gradually replaced by towns and agricultural zones during the last century, nevertheless there is some relicts of these native forests that are
P. De los Ríos, A. Espinosa, P. Núñez   +2 more
doaj   +1 more source

Nesting Association of Raptors and Buff-Necked Ibis in the Argentinean Patagonia

Colonial Waterbirds, 1996
We observed six species of raptors: Black-chested Buzzard-eagle (Geranoaetus melanoleucus), Cinereous Harrier (Circus cinereus), Red-backed Hawk (Buteo polyosoma), Chimango Caracara (Milvago chimango), Crested Caracara (Polyborus plancus), and Peregrine Falcon (Falco peregrinus), nesting at Buff-necked Ibis (Theristicus caudatus) colonies in northern ...
Donázar, José A., Travaini, Alejandro, Rodríguez, Alejandro, Ceballos, Olga, Hiraldo, F.   +4 more
openaire   +2 more sources

Two new species of Didicrum Enderlein (Diptera, Psychodidae, Psychodinae) from Argentinean Patagonia [PDF]

Zootaxa, 2014
Two new species of Didicrum from Argentina are described and illustrated: Didicrum naimae and Didicrum letitiae, based on male and female specimens. Specimens were collected with Malaise traps located in Nahuel Huapi National Park, Patagonian region. Including the two new species of Didicrum, twelve are described from South America. 
openaire   +3 more sources

Nuisance Didymosphenia geminata blooms in the Argentinean Patagonia: Status and current research trends [PDF]

Aquatic Ecosystem Health & Management, 2017
Large nuisance blooms of Didymosphenia geminata have become increasingly widespread in Patagonia. Although the first published account for South America was in 1964, reports of large growths in Chile and Argentina commenced around 2010. Since then, these blooms have been observed all along the Andes region to the south of parallel 42°S. General surveys
Manrique, Julieta M., Uyua, Noelia Mariel, Bauer, Gabriel A., Santinelli, Norma H., Ayestarán, Gabriela M., Sala, Silvia Estela, Sastre, A. Viviana, Jones, Leandro Roberto, Whitton, Brian A.   +8 more
openaire   +3 more sources

La construcción estatal patagónica en el siglo XIX. El dibujo como arte científico e institucional = The Patagonian State Construction in XIX^th Century. The Drawing as Scientific and Institutional Art

Espacio, Tiempo y Forma. Serie VII, Historia del Arte, 2019
El artículo revisa la construcción de imágenes institucionales del Estado argentino sobre la Patagonia. Toma fuentes de la conquista y organización inicial del territorio. Las mismas se presentan en dos grupos: las científicas, obras de naturalistas que
Paula Gabriela Núñez, Carolina Lema, Carolina Michel, Maia Vargas   +3 more
doaj   +1 more source

Species diversity ofEpichloësymbiotic with two grasses from southern Argentinean Patagonia

Mycologia, 2014
In this work we performed morphological and molecular phylogenetic analyses (based on sequences of calmodulin M [calM], translation-elongation factor 1-α [tefA] and β-tubulin [tubB] genes) to characterize the diversity of Epichloë endophytes in Bromus setifolius and Phleum alpinum.
Mc Cargo, Patricia Débora, Iannone, Leopoldo Javier, Vignale, Maria Victoria, Schardl, Christopher L., Rossi, Maria Susana   +4 more
openaire   +3 more sources

Patagonian Imaginary Nature: Colonial Narratives in Documentary Films on Subnational Spaces (1920–1955)

Bulletin of Latin American Research, Volume 45, Issue 1, January 2026.
This study contributes to the ongoing historical examination of ecological and postcolonial questions in Latin America through the lens of new media genre narratives. Early 20th‐century documentary films of Argentine Patagonia institutionalised a natural binary opposition, positioning those challenging colonial power relations based on natural ...
Cielo Zaidenwerg, Mauricio Dimant
wiley   +1 more source