Results 51 to 60 of about 10,294 (222)

Assessment of Oxidative Stress, Vitellogenin, and Human Health Risks Derived From Nile Tilapia Exposed to Metals and Metalloids in Southeastern Brazil

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Urban coastal lagoons are highly vulnerable ecosystems increasingly affected by metal contamination, as well as multiple anthropogenic stressors. This study evaluated ecotoxicological and human health risks associated with chronic metal exposure in Nile tilapia (Oreochromis niloticus) from an anthropogenically impacted lagoon in southeastern ...
Julia Araújo Alves   +8 more
wiley   +1 more source

Oxidative Damage, Energy Imbalance, and Behavioral Disruptions in Girardia tigrina Exposed to Treated Sewage Effluents

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT This study assessed the ecotoxicological effects of treated sewage on the freshwater planarian Girardia tigrina, integrating biochemical, energetic, and behavioral biomarkers. Planarians were exposed for 48 h to different concentrations of treated sewage (12.5%, 25%, 50%, and 100%) and compared to controls using commercial water and water from
Renata M. P. Freitas   +3 more
wiley   +1 more source

La dimensión ambiental aplicada en la elaboración de planes reguladores comunales

open access: yesUrbano, 2003
En los últimos cuatro o cinco años, el Departamento de Desarrollo Urbano e Infraestructura (DDUI) de la Secretaría Regional Ministerial de Vivienda y Urbanismo de la Región del Bio Bio, ha tenido que afrontar un intenso trabajo público, referido a la ...
Mesa de Trabajo MINVU-CONAMA
doaj  

Environmentally Realistic Metal Mixture Concentration Impacts Early Development in Zebrafish Larvae

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT The dispersion of metals in the environment leads to the presence of metal mixtures in impacted ecosystems, but few studies have addressed their impact on early developmental processes in fish. Here, we investigated the effect of metal mixtures reported in the Doce River basin in Brazil, including Fe, Mn, and Cd, either singly or as a mixture ...
Anderson K. S. Macêdo   +4 more
wiley   +1 more source

Alcances prácticos para la evaluación ambiental de planes reguladores comunales

open access: yesUrbano, 2004
En este contexto, al referirse a la evaluación ambiental de los planes reguladores comunales, el punto de partida obligado que impone la exigencia legal hoy en día, es tener que hacerlo bajo la premisa que un "plan" se evalúa como si fuera un "proyecto".
Mesa de Trabajo MINVU-CONAMA
doaj  

Synergistic Toxicity of Low‐Concentration Metal Mixture on Male Rats: Reproductive, Renal, and Hepatic Effects

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Mining plays a crucial role in economic development, but improper management can lead to severe environmental degradation. Particularly for iron ore, mining generates vast amounts of tailings often stored in unstable dams. This study aims to investigate the toxicological impacts of environmentally relevant concentrations of metals mixture ...
Kalinka Helóra Gomes de Almeida   +7 more
wiley   +1 more source

Water Footprint for Rice Cultivation in the Brazilian Semi‐Arid: Subsidies for Better Irrigation Practices and Sustainability

open access: yesJAWRA Journal of the American Water Resources Association, Volume 62, Issue 4, August 2026.
ABSTRACT The Water Footprint is a key indicator for assessing agricultural water use in semi‐arid regions. This study quantified and analyzed the Water Footprint of rice cultivation in the Terra Nova and Guaribas basins, Brazilian semi‐arid, using meteorological data from 2010 to 2019.
Jocimar Coutinho Rodrigues Junior   +5 more
wiley   +1 more source

CHARACTERIZATION OF TWO TYPES OF BATTERIES: ALKALINE AND ZINCMANGANES, IN ACCORDANCE WITH CONAMA RESOLUTIONS N ° 401/2008 AND N ° 430/2011 [PDF]

open access: yesPeriódico Tchê Química, 2019
The batteries convert chemical energy into electrical energy and are responsible for the operation of laptops, watches, telephones, calculators, radios and cardiac pacemakers. Alkaline cells, which are known in the art as having an inorganic base, are composed of a porous zinc anode immersed in an alkaline solution of potassium hydroxide or sodium ...
Beretta, B. M.   +4 more
openaire   +2 more sources

Efetivação do enquadramento de corpos d’água para fins de consumo humano em regiões semiáridas: avaliação conforme resolução CONAMA 357/2005 e portaria MS 2914/2011

open access: yes, 2015
A escassez hidrica e situacao recorrente em regioes de clima semiarido devido as condicoes climaticas naturais e a crescente pressao antropica, atraves do lancamento direto ou indireto de cargas poluentes nas calhas dos rios.
Z. Pessôa
semanticscholar   +1 more source

Análisis de la percepción social de las estrategias de acomodación y las SBN en el litoral [PDF]

open access: yes
La zona costera mediterránea se enfrenta a un aumento significativo de los riesgos costeros debido al cambio climático. Las estrategias de adaptación tradicionales ya no son suficientes y se necesitan soluciones más disruptivas, como las Soluciones ...
Badia Puyol, Montserrat   +3 more
core   +1 more source

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