Results 21 to 30 of about 61,837,125 (132)

Health Biomarkers of Pesticide Exposure in Rural Populations of Santa Fe, Argentina: Oxidative Stress and Genotoxicity

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT The present study aimed to quantify pesticide residues in environmental matrices and plasma and to evaluate their potential effects on oxidative stress and DNA damage in rural populations of Santa Fe province. Soil and rainwater samples were collected, and biological samples and semistructured surveys were obtained from volunteers in three ...
María Priscila Dechiara   +4 more
wiley   +1 more source

Riesgo de establecimiento del gasterópodo dulceacuícola invasor Melanoides tuberculatus (Thiaridae) en el Río de la Plata (Argentina-Uruguay)

open access: yesRevista Mexicana de Biodiversidad, 2010
Melanoides tuberculatus es un gasterópodo cosmopolita que ha invadido y se ha establecido en casi todos los países del continente americano, desconociéndose en la mayoría de los casos el origen de su introducción. En este trabajo se menciona el riesgo de
Diego E. Gutiérrez-Gregoric   +1 more
doaj   +1 more source

Characterising Vento Norte Downslope Windstorms and Their Thermal Impacts in Southern Brazil

open access: yesInternational Journal of Climatology, EarlyView.
Using 20 years of hourly INMET observations in Santa Maria (southern Brazil), we identify 189 Vento Norte (VNOR) downslope windstorms, ~72% in winter, marked by abrupt warming, drying and strong northerly gusts. Across five biometeorological indices (TEFW, TDI, THI, HDI, Humidex), VNOR hours consistently show significantly higher thermal discomfort ...
Cinara Ewerling da Rosa   +5 more
wiley   +1 more source

Golden mussel Limnoperna fortunei (Bivalvia: Mytilidae) distribution in the main hydrographical basins of Uruguay: update and predictions

open access: yesAnais da Academia Brasileira de Ciências, 2005
Limnoperna fortunei, an Asiatic rivers bivalve has become a worldwide problematic invasive species causing several water quality and macrofouling problems. In the Neotropical region it was first recorded in 1991 in the Río de la Plata coast, Buenos Aires
Ernesto Brugnoli   +4 more
doaj   +1 more source

Two new endemic species of Portulaca (Portulacaceae) from the Brazilian Pampa grasslands

open access: yesNordic Journal of Botany, EarlyView.
Portulaca L. is a monophyletic, cosmopolitan genus of succulent plants comprising ca 153 species, with particularly high diversity in xerophytic ecosystems in tropical and subtropical regions. Based on morphological evidence, we describe and illustrate two new species from the Brazilian Pampa, Portulaca guaritensis and Portulaca guenoa.
José Roberto Ferraz   +3 more
wiley   +1 more source

Social Sustainability in Circular Bioeconomy Business Models: Insights From Argentina

open access: yesSustainable Development, EarlyView.
ABSTRACT Research on circular bioeconomy business models (CBEBM) has largely prioritised environmental and economic aspects, leaving out the social pillar. To address this gap, this paper analyses to what extent and in what ways social sustainability is integrated into CBEBM, based on 12 cases from northern Argentina, a region with high potential for ...
Celina N. Amato   +2 more
wiley   +1 more source

Phylogeography of the Neotropical catfish Pimelodus albicans (Siluriformes: Pimelodidae) from río de la Plata basin, South America, and conservation remarks

open access: yesNeotropical Ichthyology
Pimelodus albicans Valenciennes, 1840 (common name "moncholo" or "bagre blanco") is an endemic species of the family Pimelodidae in the río de la Plata basin.
Julia Vergara   +2 more
doaj   +1 more source

Transparency, Sustainable Governance and Digital Accessibility in Municipalities: A Machine Learning Approach

open access: yesSustainable Development, EarlyView.
ABSTRACT Achieving the Sustainable Development Goals (SDGs) requires transparent and accountable local governments, yet little is known about the structural drivers of municipal transparency. This study introduces a machine learning approach to predict municipal transparency using the Bidimensional Transparency Index (BTI), which measures both the ...
Ana M. Plata‐Díaz   +3 more
wiley   +1 more source

Los precios en Buenos Aires durante un ciclo de guerra y de inestabilidad política, 1825-1835

open access: yesQuinto Sol, 2019
En este trabajo se analiza la evolución de la inflación de los precios en Buenos Aires a partir de la guerra entre las Provincias Unidas del Río de la Plata con el Brasil, y de la crisis política para la coyuntura del lapso entre los años 1825 y 1835. En
Roberto Schmit
doaj   +1 more source

A Very Social History: South American Cricketing Tourists in Britain in 1932

open access: yesHistory, EarlyView.
Abstract Drawing on both the rich Anglophone cricket historiography and the new Latin American sports scholarship, this article maps out the entangled global networks that shaped the tour of Britain made in 1932 by a team of South American cricketers.
Matthew Brown
wiley   +1 more source

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