Results 41 to 50 of about 454,730 (164)

Artificial Neural Networks applied to improve low-cost air quality monitoring precision [PDF]

open access: yes, 2018
It is a fact that air pollution is a major environmental health problem that affects everyone, especially in urban areas. Furthermore, the cost of high-end air pollution monitoring sensors is considerably high, so public administrations are unable to ...
Malagón Fernández, Sergio
core  

Flora algal de la cuenca del río Guadalquivir: Su valor en la determinación de la ecorregionalización de la cuenca [PDF]

open access: yes, 2018
In compliance with the Water Framework Directive of the European Union, we needed to diagnose the ecologic quality of the different sections of the rivers of the Guadalquivir basin. In order to establish a regional classification of the water bodies by a
Casco, Maria Adela   +5 more
core   +2 more sources

Análisis de las emisiones atmosféricas de las fuentes fijas de La Habana

open access: yesRevista Cubana de Meteorología, 2016
El presente estudio tiene como objetivo conocer y analizar el comportamiento de las emisiones de las principales fuentes fijas de La Habana a través del inventario de emisiones, para lo cual se toma como base el año 2012.
Osvaldo Cuesta Santos   +7 more
doaj  

Biological treatment of pesticide-containing wastewater from coffee crops: selection and optimization of a biomixture and biobed design

open access: yesFrontiers in Microbiology
The biopurification systems (BPS) or biobeds are employed for the treatment of pesticide-containing wastewater of agricultural origin. The use of these devices for pesticide removal requires the proper optimization of the composition of biomixtures (BPS ...
Fernando Oviedo-Matamoros   +6 more
doaj   +1 more source

EL MODELO DE CRECIMIENTO ECONÓMICO SOLOW-SWAN APLICADO A LA CONTAMINACIÓN Y SU RECICLAJE [PDF]

open access: yes, 2013
El presente trabajo combina el modelo de crecimiento económico de Solow-Swan con la generación y absorción de la contaminación. A partir de la siguiente premisa: la producción depende no solo del trabajo y del capital, sino también de la materia prima ...
Darío Ibarra Zavala   +1 more
core  

Relocating Citizens From Urban Environments Exposed to Hazardous Levels of Contamination: A Rapid Scoping Review

open access: yesRisk, Hazards &Crisis in Public Policy, Volume 16, Issue 4, December 2025.
ABSTRACT Background Hazardous levels of contaminants produced by anthropogenic activities are increasingly pervading residential environs and urban areas. Hazardous contamination can pose significant health risks for citizens dwelling in exposure pathways.
Rosina Johnson   +3 more
wiley   +1 more source

La Contaminación Industrial en México [PDF]

open access: yes, 2016
La presente tesis contiene cuadros comparativos.En nuestro país, el crecimiento industrial se desarrolló durante muchos años sin control de los procesos productivos como también la falta de ordenamiento territorial de la industria, lo que provocó que ...
Mondragón Téllez, Victor Manuel   +1 more
core  

Vulnerability of tropical fish communities across depth in the central Indian Ocean

open access: yesConservation Biology, Volume 39, Issue 6, December 2025.
Abstract Coral reefs and their fish communities below scuba diving depth (>30 m), in mesophotic coral ecosystems (MCEs) (∼30–150 m), in rariphotic (150–300 m), and in upper bathyal waters (300–500 m) are often underexplored, especially in the Indian Ocean.
Paris V. Stefanoudis   +12 more
wiley   +1 more source

Agricultura y contaminación del agua [PDF]

open access: yes, 2012
El libro trata un tema cuya importancia contrasta con su escaso estudio. Los efectos negativos de las actividades agrícolas en la calidad del agua han recibido mucha atención en otros países y muy poca en el nuestro.
Aguilar Ibarra, Alonso   +7 more
core  

Evaluating protected areas’ coverage of threats to terrestrial biodiversity

open access: yesConservation Biology, Volume 39, Issue 6, December 2025.
Abstract Protected areas (PAs) are vital for biodiversity conservation and have expanded globally. However, increasing pressures on biodiversity make it difficult to achieve conservation goals. Using threat probability maps based on the International Union for Conservation of Nature Red List and the World Database of Protected Areas, we analyzed the ...
Katherine Pulido‐Chadid   +2 more
wiley   +1 more source

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