Search Results - "Juáres, Mariana A."

Coastal regions of the northern Antarctic Peninsula are key for gentoo populations by Korczak-Abshire, Malgorzata, Hinke, Jefferson T, Milinevsky, Gennadi, Juáres, Mariana A, Watters, George M

“…Southern Ocean ecosystems are rapidly changing due to climate variability. An apparent beneficiary of such change in the western Antarctic Peninsula (WAP) is…”
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Records of king penguins at Stranger Point and Esperanza/Hope Bay, Antarctica by Juáres, Mariana A., Rios, Ayelen, Albarrán, Katya, Silvestro, Anahí M., Perchivale, Pablo, Casaux, Ricardo, Santos, M. Mercedes

“…The king penguin ( Aptenodytes patagonicus ) is a subantarctic species, but breeders were recently reported in Antarctica. Stranger Point (South Shetland…”
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Holocene occupation history of pygoscelid penguins at Stranger Point, King George (25 de Mayo) Island, northern Antarctic Peninsula by Emslie, Steven D, Romero, Matías, Juáres, Mariana A, Argota, Martin R

“…We report additional fossil evidence for pygoscelid penguins breeding on King George (25 de Mayo) Island, South Shetland Islands, in the Holocene beginning at…”
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Residues of anthropogenic origin found at Stranger Point/Cabo Funes, 25 de Mayo/King George Island, Antarctica by Albarrán, Katya K., Alfonso, Brenda C., Fógel, Jazmin, Rozas Sía, Mauro G., Abbeduto, Maria L., Casaux, Ricardo, Juáres, Mariana A.

“…Since the Antarctic continent is not exempt from human disturbances, it is necessary to generate information on the residues of anthropogenic origin in these…”
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Size structure of Antarctic krill inferred from samples of Pygoscelid penguin diets and those collected by the commercial krill fishery by Juáres, Mariana A., Grech, Marta G., Casaux, Ricardo, Negrete, Javier, Fógel, Jazmín, Coria, Néstor R., Santos, M. Mercedes

“…In the Antarctic Peninsula, during the chick-rearing period Adélie ( Pygoscelis adeliae ) and gentoo ( P. papua ) penguins feed primarily on Antarctic krill (…”
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Diet composition and foraging habitats of Adélie and gentoo penguins in three different stages of their annual cycle by Juáres, Mariana A., Santos, Mercedes, Mennucci, Jorge A., Coria, Néstor R., Mariano-Jelicich, Rocío

“…We evaluated the diet of Adélie ( Pygoscelis adeliae ) and gentoo ( P. papua ) penguins at Stranger Point colony (25 de Mayo/King George Island) during…”
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Update of the population size and breeding performance of gentoo penguins (Pygoscelis papua) at Stranger Point/Cabo Funes, South Shetland Islands by Juáres, Mariana A., Casaux, Ricardo, Negrete, Javier, Rios, Ayelen, Castillo, Martín, Coria, Néstor R., Santos, Mercedes M.

“…The plasticity in the trophic ecology, the breeding phenology, and the low nesting site fidelity would be the reasons why most of the gentoo penguin (…”
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Estimating nest‐level phenology and reproductive success of colonial seabirds using time‐lapse cameras by Hinke, Jefferson T., Barbosa, Andres, Emmerson, Louise M., Hart, Tom, Juáres, Mariana A, Korczak‐Abshire, Malgorzata, Milinevsky, Gennadi, Santos, Mercedes, Trathan, Philip N., Watters, George M., Southwell, Colin, Gaggiotti, Oscar

“…Collecting spatially extensive data on phenology and reproductive success is important for seabird conservation and management, but can be logistically…”
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Stable isotope analysis of multiple tissues from chick carcasses of three pygoscelid penguins in Antarctica by Ciriani, Yanina A, Juáres, Mariana A, Santos, M Mercedes, Emslie, Steven D

“…Many types of animal tissues are increasingly being used for stable isotope analysis, with their application dependent on the time frame they reflect and their…”
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First record of White-rumped Sandpiper (Calidris fuscicollis) at Esperanza/Hope Bay, Antarctica by Silvestro, Anahí M., Santos, Mercedes M., Juáres, Mariana A., Libertelli, Marcela, Hidalgo, Keila E., Kass, Nicolás A., Casaux, Ricardo

“…The White-rumped Sandpiper ( Calidris fuscicollis ) (Vieillot 1819) is one of the longest migrating birds that breeds in the high Arctic in Alaska and Canada…”
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Breeding events of king penguin at the South Shetland Islands: Has it come to stay? by Juáres, Mariana A., Ferrer, Francisco, Coria, Néstor R., Santos, M. Mercedes

“…King penguins ( Aptenodytes patagonicus ) have a circum-subantarctic range though recently, pairs breeding in Antarctica were reported. In a scenario of…”
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Abundance estimation of Adélie penguins at the Esperanza/Hope Bay mega colony by Santos, M. Mercedes, Hinke, Jefferson T., Coria, Néstor R., Fusaro, Bruno, Silvestro, Anahí, Juáres, Mariana A.

“…The Adélie penguin ( Pygoscelis adeliae ) breeding population at Esperanza/Hope Bay, at the tip of the Antarctic Peninsula, is one of the largest Adélie…”
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Diet of Adélie penguins (Pygoscelis adeliae) at Stranger Point (25 de Mayo/King George Island, Antarctica) over a 13-year period (2003–2015) by Juáres, Mariana A., Casaux, Ricardo, Corbalán, Aldo, Blanco, Gabriel, Pereira, G. Ariel, Perchivale, Pablo J., Coria, Néstor R., Santos, M. Mercedes

“…Knowledge of the feeding ecology of a species at local level is fundamental to determine the relationship between the fluctuations in local marine resources…”
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Over-representation of bird prey in pellets of South Polar Skuas by Santos, M. Mercedes, Juáres, Mariana A, Rombolá, Emilce F, García, Mirta L, Coria, Néstor R, Doncaster, C. Patrick

“…We report the first study to compare the contents of pellets and regurgitates of South Polar Skuas, Stercorarius maccormicki, at two breeding colonies on the…”
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Abundance and breeding distribution of seabirds in the northern part of the Danco Coast, Antarctic Peninsula by González-Zevallos, Diego, Santos, MaríaM, Rombolá, EmilceF, Juáres, MarianaA, Coria, NéstorR

“…Seabird abundances and breeding distribution have the potential to serve as ecological indicators. The western Antarctic Peninsula is one of the three sites in…”
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Better late than never? Interannual and seasonal variability in breeding chronology of gentoo penguins at Stranger Point, Antarctica by Juáres, Mariana A., Santos, M. Mercedes, Negrete, Javier, Santos, M. Rita, Mennucci, Jorge A., Rombolá, Emilce, Longarzo, Lucrecia, Coria, Néstor R., Carlini†, Alejandro R.

“…Rapid climate change recorded in the western Antarctic Peninsula confronts species with less predictable conditions in the marine and terrestrial environments…”
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Diet of Adélie penguins by Juáres, Mariana A, Casaux, Ricardo, Corbalán, Aldo, Blanco, Gabriel, Pereira, G. Ariel, Perchivale, Pablo J, Coria, Néstor R

“…Knowledge of the feeding ecology of a species at local level is fundamental to determine the relationship between the fluctuations in local marine resources…”
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Aves, Charadriiformes, Scolopacidae, Limosa haemastica (Linnaeus, 1758): first record from South Shetland Islands and Antarctic Peninsula, Antarctica by Juáres, Mariana A., Libertelli, Marcela M., Santos, M. Mercedes, Negrete, Javier, Gray, Martín, Baviera, Matías, Moreira, M. Eugenia, Donini, Giovanna, Carlini, Alejandro, Coria, Néstor R.

“…We report herein the southernmost record of the Hudsonian Godwit (Limosa haemastica), at two localities in the Antarctic: Esperanza/Hope Bay (January 2005) and…”
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