Results 21 to 30 of about 454,730 (164)
Used of pesticides in cottonseed cultivars. Present trends.
Grasas y Aceites, 1997 The paper reviews the world production of cotton and the use of pesticides in its growth. The risks derived from their abuse, especially chlorinated ones, are commented.
M. J. Martínez, M. Crespi
doaj +1 more source
Grasas y Aceites, 1997 The paper compares the fatty matter recovered from cotton when applying one extraction with dichloromethane or two successive extractions (the first with dichloromethane and the second one with methanol, more polar) and the time required for the ...
Mª J. Martínez, M. Crespi
doaj +1 more source
The Journal of Latin American and Caribbean Anthropology, Volume 31, Issue 2, June 2026.ABSTRACT This article examines the historical displacement of Indigenous peoples in Venezuela, focusing on the links between indigenist policies and the exploitation of natural resources, particularly oil, throughout the 20th century. Using a combined historical and ethnographic approach, it demonstrates how the formation of the Venezuelan nation‐state
Gabriel Tardelli
wiley +1 more source
, 2011 Devolver la calle al peatón, limitar el uso del coche e, incluso, eliminarlo de las urbes; aprovechar los avances tecnológicos para que sean más “inteligentes” y optimizar al máximo los recursos, cada vez más escasos, para que sean más sostenibles.
Delgado Jiménez, Alexandra +6 more
core +1 more source
Ecological Solutions and Evidence, Volume 7, Issue 2, April/June 2026.Underwater clean‐up efforts in Acapulco Bay reveal the visible consequences of chronic coastal pollution. This study shows how Environmental Risk Assessments (ERAs) can integrate scientific evidence, regulatory frameworks and practitioner experience to identify pollution sources and guide more effective coastal governance in cities of the Global South.
Sinuhé Hernández Márquez +13 more
wiley +1 more source
, 2010 El tema de la contaminación del agua es tan o más vigente que cuando emergió en los primeros diagnósticos ambientales. Esto se evidencia en el reconocimiento del agua potable limpia y segura y saneamiento, como un derecho humano en la Asamblea General ...
Blanes , José, De la Quintana, Diego
core
Diatomite releases silica during spirit filtration [PDF]
, 2014 The purpose of this study was to ascertain whether diatomite is an inert filter aid during spirit filtration. Surely, any compound with a negative effect on the spirit composition or the consumer’s health could be dissolved.
Alguacil, Marcos +3 more
core +2 more sources
Distribution, scale, and drivers of mass mortality events in Europe's freshwater bivalves
Conservation Biology, Volume 40, Issue 2, April 2026.Abstract Mass mortality events (MMEs) are decimating populations and compromising key ecosystem functions around the globe. One taxon particularly vulnerable to MMEs is freshwater bivalve mollusks. This group has important ecosystem engineering capacities and includes highly threatened and highly invasive taxa.
Daniel A. Cossey +39 more
wiley +1 more source
Spatiotemporal Variations in Chemical Composition of Wet Atmospheric Deposition in Mexico City
Aerosol and Air Quality Research, 2023 A comprehensive analysis of the chemical composition of wet atmospheric deposition was performed on 7048 samples collected between 2003 and 2021 over Mexico City. The descending ion abundance trend was NH4+ > SO42− > NO3− > Ca2+ > Cl− > H+ > Mg2+ > Na+ >
Elizabeth Vega +5 more
doaj +1 more source
Integrative Conservation, Volume 5, Issue 1, Page 104-114, March 2026.The Johnstone's whistling frog is an invasive species whose loud night‐time calls may affect human health and well‐being. Our study in Cali, Colombia, combined fieldwork and online surveys to assess its urban occupancy, density, and potential health impacts.
Rubén Darío Palacio, Sumana Goli
wiley +1 more source