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Description of Two New Species of Gonatopus Ljungh from Argentina (Hymenoptera: Chrysidoidea: Dryinidae)
(Kansas Entomological Society, 2008-07)
Two new species of the genus Gonatopus Ljungh from Argentina are described: G. saltensis new species, from Salta, El Quebrachal, and G. hermosensis new species, from Buenos Aires, Monte Hermoso.
Primer registro fehaciente de Nopachtus coagmentatus (Xenarthra, Cingulata, Glyptodontidae) en la región Pampeana, Argentina: Contexto estratigráficoFirst reliable record of Nopachtus coagmentatus (Xenarthra, Cingulata, Glyptodontidae) in the Pampean region, Argentina: Stratigraphic context
(Consejo Superior Investigaciones Científicas, 2015-01)
La especie Nopachtus coagmentatus fue reconocida por Ameghino en 1888, basándose en porciones del tubo caudal y la coraza dorsal; estos restos proceden de los Valles de las Sierras de Córdoba, en las cercanías de Villa ...
Análisis faunístico del sitio arqueológico La Olla (sectores 3 y 4), costa sudoeste del litoral atlántico bonaerenseFaunistic analysis of the La Olla archaeological site (sectors 3 and 4), Southwest Atlantic coast of Buenos Aires Province
(Sociedad Argentina de Antropología, 2017-06)
El sitio arqueológico La Olla se encuentra en la zona intermareal baja en la playa de Monte Hermoso (provincia de Buenos Aires), datado hacia finales del Holoceno Temprano. En 2008 se excavaron dos nuevos sectores, La Olla ...
The taxonomic status of the Pliocene Capybaras (Rodentia) Phugatherium Ameghino and Chapalmatherium AmeghinoEl status taxonómico de los Capybaras (Rodentia) del Plioceno Phugatherium Ameghino y Chapalmatherium Ameghino
(Asociacion Paleontologica Argentina, 2014)
Living capybaras are a unique group of rodents. They have ever-growing cheek teeth with a complicated occlusal morphology that changes even after birth. Concerning fossil capybaras this morphological change, associated ...
Parasites as possible cause of mass mortalities of the presently critically endangered clam Mesodesma mactroides on the Southwest Atlantic coast
(Eur Assoc Fish Pathologists, 2004-12)
Specimens of Trichodina sp. were found on the gills of 58% of clams with moderate intensities without apparent cell damage. Coccidian were present in the nephridal tubules with both high prevalence (93%) and intensity of ...
Population Genetics of Franciscana Dolphins (Pontoporia blainvillei): Introducing a New Population from the Southern Edge of Their Distribution
(Public Library of Science, 2015-07)
Due to anthropogenic factors, the franciscana dolphin, Pontoporia blainvillei, is the most threatened small cetacean on the Atlantic coast of South America. Four Franciscana Management Areas have been proposed: Espiritu ...
Hydrography of the Inner Continental Shelf along the Southwest Buenos Aires Province, Argentina: Influence of an Estuarine Plume on Coastal Waters
(Coastal Education & Research Foundation, 2016-06)
Estuarine plumes have a significant influence on the characteristics and biology of the adjacent inner shelf. In the sector occupied by the plume, several transformations occur to the sediment and nutrients exported from ...
Fission-track dating of South American natural glasses: an overview
(Elsevier B.V., 2005-12-01)
Although many glass-bearing horizons can be found in South American volcanic complexes or sedimentary series, only a relatively few tephra and obsidian-bearing volcanic fields have been studied using the fission-track (FT) ...
Aspectos biológicos de Acacia longifolia, una especie exótica potencialmente invasora de pastizales psamófilosBiological aspects of Acacia longifolia, an exotic species potentially invasive in sandy dunes vegetation
(Universidad Nacional de La Pampa. Facultad de Agronomía, 2013-04)
Las dunas costeras de la Pampa Austral constituyen un ambiente importante por mantener valiosas funciones ecosistémicas y conservar una alta biodiversidad. Acacia longifolia (aromo) es un árbol exótico establecido-invasor ...