Results 1 to 10 of about 130,557 (257)

Interrelación humanos-naturaleza en el Departamento Magallanes, Santa Cruz, Patagonia Argentina

open access: yesSemiárida
La Meseta Central Santacruceña fue ocupada productivamente con ovinos a fines de 1800 y principios de 1900. La productividad inicial del pastizal natural, que soportó altas cargas instantáneas, llevó a no tener en cuenta el impacto que el pastoreo año ...
Larry Andrade   +2 more
doaj   +9 more sources

Second record of Tadarida brasiliensis (I. Geoffroy St.-Hilaire, 1824) (Chiroptera, Molossidae) in Santa Cruz Province, Argentina [PDF]

open access: yesCheck List, 2015
Although Tadarida brasiliensis is one of the most widely distributed species of bats in Argentina, it is nevertheless extremely scarce in Patagonia. We report a second record of T.
Sonia Zapata   +3 more
doaj   +3 more sources

Efecto de las condiciones de crecimiento y composición del medio de cultivo sobre la producción de bacteriocina de Enterococcus mundtii Tw56

open access: yesRevista Colombiana de Biotecnología, 2014
Título en español: Efecto de las condiciones de crecimiento y composición del medio de cultivo sobre la producción de bacteriocina de Enterococcus mundtii Tw56 Título corto: Efecto de las condiciones de crecimiento y composición del medio de cultivo ...
Marisol Vallejo   +3 more
doaj   +1 more source

Tobacco and end stage renal disease: a multicenter, cross-sectional study in Argentinian Northern Patagonia

open access: yesTobacco Induced Diseases, 2015
Background Smoking and chronic kidney disease are major public health problems with common features -high prevalence and mortality, high cardiovascular risk, gender differences and high prevalence in low income people-, but the link between them is ...
Maria M. Alba   +14 more
doaj   +1 more source

Helminth parasites of alien freshwater fishes in Patagonia (Argentina) [PDF]

open access: yes, 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.
Flores, Verónica Roxana   +5 more
core   +1 more source

Ploidy levels and reproductive behaviour in invasive Hieracium pilosella in Patagonia [PDF]

open access: yes, 2011
Within a population of invasive Hieracium pilosella in Chilean Patagonia we found two ploidy levels, pentaploid and hexaploid. Each ploidy level was represented by one clone.
Krahulcová, Anna, Krahulec, František
core   +2 more sources

PROCESOS BIOESTRATINÓMICOS ACTUANTES EN KATEPENSAURUS GOICOECHEAI: ANÁLISIS DE FACTORES INTRÍNSECOS Y EXTRÍNSECOS. FORMACIÓN BAJO BARREAL (CRETÁCICO SUPERIOR), PATAGONIA, ARGENTINA

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2023
Se analizan los factores intrínsecos y extrínsecos que controlaron la preservación del saurópodo rebaquisáurido Katepensaurus goicoecheai, procedente de la Formación Bajo Barreal (Grupo Chubut-Cretácico Superior) en el centro-sur de Chubut, cuenca del ...
Gabriel A. Casal   +6 more
doaj   +1 more source

A uniform isotopic and chemical signature of dust exported from Patagonia: Rock sources and occurrence in southern environments [PDF]

open access: yes, 2007
Patagonia is considered to be the most important source of dust from South America that is deposited in surrounding areas, and we present here a systematic Sr and Nd isotopic study of sediment currently being exported.
Brunet, Frédéric   +3 more
core   +3 more sources

Local extinctions in the small mammal's assemblages between late Holocene and historical times in Talagapa mountains (Patagonia, Argentina): The role of land use changes [PDF]

open access: yes, 2016
The aim of this work was to evaluate possible changes in the small mammal composition in the Patagonian arid Extra-Andean steppes between the late Holocene and historical times.
Andrade, Analia, Monjeau, Jorge Adrian
core   +1 more source

Environmental and climatic proxies for the Cañadón Asfalto and Neuquén basins (Patagonia, Argentina): review of middle to upper jurassic continental and near coastal sequences [PDF]

open access: yes, 2015
In this review, we include several proxies (sedimentology, palynology, invertebrates) from the Cañadón Asfalto and Neuquén basins, to infer the environments and regional climatic context during the Middle to Late Jurassic of Patagonia.
Cabaleri, Nora Graciela   +6 more
core   +1 more source

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