Ignacio Roesler

Recría ex situ del Macá Tobiano (Podiceps gallardoi) y el Macá Plateado (Podiceps occipitalis) como estrategia fundamental para una especie críticamente amenazada

Gabriela Gabarain, Laura Fasola, Patrick I. Buchanan, Ignacio Roesler

La pérdida de hábitat, el cambio climático y las especies exóticas invasoras han provocado la pérdida del 80% de la población del críticamente amenazado Macá Tobiano (Podiceps gallardoi). El Macá Plateado (Podiceps occipitalis, preocupación menor) es una especie estrechamente relacionada que puede …

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Primer registro de huillín Lontra provocax (Thomas, 1908) en el extremo sur de Patagonia continental en Argentina

Laura Fasola, Rosario Ballester, Sebastián Borden, Pablo Hernández et autres

Durante 2024 se registraron dos avistamientos de huillín Lontra provocax en el río Gallegos, provincia de Santa Cruz, Argentina, en sitios separados por 50 km. Estos representan los primeros registros confirmados de la especie en la Patagonia Austral argentina por fuera de …

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Plumage maturation, molt, and morphology of the critically endangered Hooded Grebe (Podiceps gallardoi)

Ignacio Roesler, Laura Fasola, Juan M. Klavins, Carolina Facchinetti et autres

The understanding of morphological and behavioral aspects of bird species can guide appropriate management actions for their conservation. Grebes (Podicipedidae) are peculiar in their molting strategy, since body feathers are continuously replaced during the whole year. Available information about natural history of …

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White-throated Caracara (Daptrius albogularis)

Juan Manuel Grande, Vicente Pantoja, Stephen Casey, Peter Pyle et autres

How Do Environmental and Spatial Factors Influence Beta Diversity and Composition of Abundant and Rare Bacterioplankton Communities in Lakes From the Patagonian Plateaus?

Sol Porcel, Carmen Alejandra Sabio y García, María Romina Schiaffino, Griselda Chaparro et autres

ABSTRACT Lakes in the same geographic region often exhibit outstanding differences in environmental features, as is the case in the high‐altitude lakes from the basaltic plateaus of Patagonia (Argentina). We analysed bacterial community composition (BCC) at local and regional scales in 37 …

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Conservation implications of genetic structure in the Critically Endangered Hooded Grebe Podiceps gallardoi

Ignacio Roesler, Laura Fasola, Julio Lancelotti, Marcel van Tuinen et autres

Summary The Critically Endangered Hooded Grebe Podiceps gallardoi has suffered a population decline of 80% since the 1980s. The evolutionary history and its critical conservation status place it 20th in the EDGE of Existence Bird List (EDGE-ZSL) among the more than 10,000 …

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Lesser Horned Owl (Bubo magellanicus)

Ignacio Roesler

Stakeholder mapping to support invasive non-native species management in South America

Pablo García‐Díaz, Bárbara Langdon, Karen Mustin, Mário G. B. Cava et autres

Effective long-term management of invasive non-native species (INNS) in South America is a pressing yet complex task. Critically, the environmental, historical, cultural, and economic idiosyncrasies of the region call for the inclusion of a plurality of views from those sectors of society …

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Differences in bacterial community composition between fish-stocked and fishless lakes from an arid Patagonian plateau

Carmen Sabio y García, Sol Porcel, María Romina Schiaffino, Julio Lancelotti et autres

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Structure of plankton and waterbird communities under water level fluctuations: two case studies in shallow lakes of the Patagonian steppe

Sol Porcel, Juan Francisco Saad, Carmen Alejandra Sabio y García, Martín Saraceno et autres

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Distribution, Nesting Records, and Notes on the Ecology of the White-Throated Caracara (Phalcoboenus albogularis)

Juan Manuel Grande, Tomás Antonio Rivas Fuenzalida, José Díaz-Tavie, Cristian Asún et autres

Endemic to Patagonia, the White-throated Caracara (Phalcoboenus albogularis) is one of the least studied caracara species, with several aspects of its ecology, such as breeding biology and diet, largely unexplored. Using citizen science records and opportunistic observations, we obtained data on the …

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Threatened conservation scientists: The aftermath of an eye-opening publication on rewilding

María de las Mercedes Guerisoli, Mauro I. Schiaffini, Pablo Teta, Alejandro E. J. Valenzuela et autres

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