Results 1 to 10 of about 12,582 (146)

Recursos Naturales

open access: yesArbor: Ciencia, Pensamiento y Cultura, 2000
El Area se orienta hacia el fomento de la investigación de los procesos biológicos, geológicos, oceanográficos y, en general, medioambientales, que tienen lugar en la atmósfera, litosfera y biosfera.
Enrique Macpherson Mayol
doaj   +4 more sources

Determination of Mycotoxin Contamination Levels in Rice and Dietary Exposure Assessment

open access: yesJournal of Toxicology, 2022
The contamination by aflatoxins, ochratoxin A, and zearalenone of samples of paddy and polished rice stored in silos located in Chiriquí, Panama, was evaluated.
Jose Troestch   +2 more
doaj   +1 more source

Extensión del rango de distribución y evento de depredación de Erythrolamprus albertguentheri (Squamata: Dipsadidae) en Bolivia

open access: yesActa Zoológica Lilloana, 2023
Erythrolamprus albertguentheri (Colubridae) es una especie endémica de la región del Chaco en Bolivia, Paraguay y Argentina. Documentamos un primer registro de la presencia de E.
Efraim Miguel Peñaranda Barrios   +2 more
doaj   +1 more source

Airborne Fungi in Show Caves from Southern Spain

open access: yesApplied Sciences, 2021
The aerobiology of caves in Southern Spain possesses special characteristics, different from caves located in Northern Spain. Previous studies demonstrated the influence of outdoor air on caves in the north and the existence of two different patterns ...
Irene Dominguez-Moñino   +4 more
doaj   +1 more source

Airborne bacteria in show caves from Southern Spain

open access: yesMicrobial Cell, 2021
This work presents a study on the airborne bacteria recorded in three Andalusian show caves, subjected to different managements. The main differences within the caves were the absence of lighting and phototrophic biofilms in Cueva de Ardales, the ...
Irene Dominguez-Moñino   +4 more
doaj   +1 more source

RECURSOS NATURALES

open access: yesAgronomía Costarricense, 2005
doaj   +1 more source

Spectrometric evaluation of biotransformed agro-industrial residues and their humic substances by UV–visible and infrared spectroscopy and their effect on winter wheat productivity [PDF]

open access: yesInternational Journal of Recycling of Organic Waste in Agriculture, 2023
Purpose Agro-industrial residues could be bio transformed to improve crop production and reduce environmental risk. Application of humic substances (HS) extracted from residues could be an alternative fertilization strategy.
Juliana Moisés   +4 more
doaj   +1 more source

Seasonal and successional dynamics of size-dependent plant demographic rates in a tropical dry forest [PDF]

open access: yesPeerJ, 2020
Tropical forests are globally important for biodiversity conservation and climate change mitigation but are being converted to other land uses. Conversion of seasonally dry tropical forests (SDTF) is particularly high while their protection is low ...
Irving Saenz-Pedroza   +6 more
doaj   +2 more sources

Conectividad vial y economías ilícitas en la Amazonía peruana

open access: yesRevista Kawsaypacha, 2022
En las últimas cinco décadas, la ampliación de la conectividad vial en el Perú, particularmente en su región amazónica, ha contribuido al crecimiento de economías ilícitas. Esta relación, sin embargo, ha sido poco estudiada y por consiguiente no ha sido
Ciro Abelardo Salazar Valdivia   +1 more
doaj   +1 more source

Biodeterioration of Salón de Reinos, Museo Nacional del Prado, Madrid, Spain

open access: yesApplied Sciences, 2021
The Salón de Reinos, a remnant of the 17th century Palacio del Buen Retiro, was built as a recreational residence under the reign of Felipe IV between 1632 and 1640 and was the main room for the monarch’s receptions.
Valme Jurado   +3 more
doaj   +1 more source

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