Results 71 to 80 of about 33,925 (235)

Patrones temporales en la abundancia y uso de residuos por Gaviotas cocineras (Larus dominicanus) en un basural urbano y pesquero de la costa norte de Patagonia, Argentina [PDF]

open access: yes, 2004
We quantified the use by Kelp Gulls (Larus dominicanus) of urban and fishery waste sites at Puerto Madryn, Argentina, during 1996 and 1997. Kelp Gulls were present at all monthly counts made at both waste sites throughout the two years of the study ...
Giaccardi, Micel, Yorio, Pablo Martin
core  

d13C tracing of dissolved inorganic carbon sources in Patagonian rivers (Argentina) [PDF]

open access: yes, 2005
The main Patagonian rivers (Colorado, Negro, Chubut, Deseado, Coyle, Chico, Santa Cruz and Gallegos) were sampled between September 1995 and November 1998 to determine their chemical and isotopic compositions, the origins of the suspended and dissolved ...
Brunet, Frédéric   +5 more
core   +4 more sources

Presencia de Enterococcus spp. resistentes a metales pesados y antimicrobianos en aves silvestres y de corral de la provincia de Chubut, Argentina

open access: yesCiencias Ambientales
[Introducción]: En la región latinoamericana, la gestión deficitaria de efluentes industriales, así como el uso masivo de antibióticos en medicina y ganadería son problemas que afectan la salud humana y animal.
Débora Lihuen Andoro   +3 more
doaj   +1 more source

Species biology of elasmobranch by-catch in bottom-trawl fishery on the northern Patagonian shelf, Argentina

open access: yesAquatic Biology, 2013
The present study analyzes the species composition of elasmobranch by-catch of bottom trawlers that targeted common hake Merluccius hubbsi on the northern and central Patagonian shelf during 2001, 2002 and 2003. Six surveys were conducted, and a total of
AC Crespi-Abril   +3 more
doaj   +1 more source

Taxonomic studies of the genus Phymaturus (IGUANIA: LIOLAEMIDAE): Description of four new species. [PDF]

open access: yes, 2010
After the study of a diverse collection of Phymaturus from three Argentinian institutions and additional samples collected in the last two years we discovered several populations of uncertain taxonomic status.
Abdala, Cristian Simón   +2 more
core   +1 more source

Emergence, spread, and impact of high‐pathogenicity avian influenza H5 in wild birds and mammals of South America and Antarctica

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract The currently circulating high‐pathogenicity avian influenza (HPAI) virus of the subtype H5 causes variable illness and death in wild and domestic birds and mammals, as well as in humans. This virus evolved from the Goose/Guangdong lineage of the HPAI H5 virus, which emerged in commercial poultry in China in 1996, spilled over into wild birds,
Thijs Kuiken   +9 more
wiley   +1 more source

Impacto de la redistribución de agua en áreas de estepa: estudio de caso en un arroyo temporario del NO de Chubut

open access: yesSemiárida, 2020
Con el objetivo de evaluar el impacto en la vegetación y el suelo de una obra de redistribución de agua en área de estepa, se desarrolló durante 2010 y 2011 un ensayo en el área ecológica de Sierras y Mesetas Occidentales del NO de Chubut.
G. Ciari, W. Opazo
doaj  

Free-living marine nematode communities: In San Jorge gulf, Argentina [PDF]

open access: yes, 2018
The aim of this study was to investigate the patterns of nematode diversity and community structure in San Jorge Gulf, Argentina, in order to improve knowledge of this key group of organisms.
Lo Russo, Virginia   +2 more
core   +1 more source

Los micromamíferos y la evolución ambiental durante el Holoceno en el río Chubut (Chubut, Argentina)

open access: yes, 2019
El objetivo central de esta investigación fue estudiar las asociaciones de micromamíferos de la provincia del Chubut -con énfasis sobre el sector del curso del río Chubut y sectores colindantes- desde el Holoceno medio y su evolución a través del tiempo hasta la actualidad.
openaire   +3 more sources

Vulnerability of marine megafauna to global at‐sea anthropogenic threats

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Marine megafauna species are affected by a wide range of anthropogenic threats. To evaluate the risk of such threats, species’ vulnerability to each threat must first be determined. We build on the existing threats classification scheme and ranking system of the International Union for Conservation of Nature (IUCN) Red List of Threatened ...
Michelle VanCompernolle   +309 more
wiley   +1 more source

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