Results 1 to 10 of about 132 (96)
Economías inflamables en tiempos de COVID-19: La reventa de gasolina en la frontera de Venezuela-Brasil. [PDF]
J Lat Am Caribb Anthropol, 2022 Resumen La reventa de gasolina brasilera en la frontera Venezuela–Brasil es un acontecimiento emergente que facilita el entendimiento sociopolítico nuevo de las estrategias de sobrevivencia locales más allá de la resiliencia social e informalidad en tiempos de crisis.
Morillo Ramos M, van Roekel E.
europepmc +2 more sources
DEM Generation from Fixed-Wing UAV Imaging and LiDAR-Derived Ground Control Points for Flood Estimations [PDF]
Sensors, 2019 Geospatial products, such as digital elevation models (DEMs), are important topographic tools for tackling local flood studies. This study investigates the contribution of LiDAR elevation data in DEM generation based on fixed-wing unmanned aerial vehicle
Jairo R. Escobar Villanueva +2 more
doaj +2 more sources
Journal of Ecology, Volume 109, Issue 12, Page 4143-4157, December 2021., 2021 Fire stimulated the increase of absorptive root biomass in the upper soil layer in response to the higher demand for below‐ground resources, but did not promote modification of morphological root parameters. Differences in morphological root parameters reflected variation in soil properties, especially soil P, as well as differences in graminoid ...
Soizig Le Stradic +4 more
wiley +1 more source
A conservation roadmap for the subterranean biome
Conservation Letters, Volume 14, Issue 5, September/October 2021., 2021 Abstract The 15th UN Convention on Biological Diversity (CBD) (COP15) will be held in Kunming, China in October 2021. Historically, CBDs and other multilateral treaties have either alluded to or entirely overlooked the subterranean biome. A multilateral effort to robustly examine, monitor, and incorporate the subterranean biome into future conservation
J. Judson Wynne +55 more
wiley +1 more source
Global distribution of microwhip scorpions (Arachnida: Palpigradi)
Journal of Biogeography, Volume 48, Issue 6, Page 1518-1529, June 2021., 2021 Abstract Aim Historically, research on global distribution patterns has mostly concentrated on conspicuous organisms and thus a large proportion of biodiversity on Earth remains unmapped. We examined the global distribution of palpigrades, a poorly studied group of low dispersive arachnids specialized to subterranean life.
Stefano Mammola +3 more
wiley +1 more source
Cuerpos de cobre: Extractivismo en Chuquicamata, Chile
The Journal of Latin American and Caribbean Anthropology, Volume 26, Issue 2, Page 200-218, June 2021., 2021 Resumen ¿Qué extraen y qué producen los extractivismos? El presente artículo intenta responder a esta pregunta analizando críticamente, la relación entre cuerpos, trabajo y mi‐nería principalmente bajo el modelo neoliberal chileno, en la mina estatal de cobre a tajo abierto más grande del planeta: Chuquicamata.
Marina Weinberg
wiley +1 more source
Boletín de Ciencias de la Tierra, 2018 Es común encontrar que en algunas unidades mineras de la cuenca carbonífera de Sinifaná, no ejercen el debido control sobre lo sellamientos y, por tanto, permiten que el aire realice recorridos por zonas que no requieren ser ventiladas en la mina.
Moisés Oswaldo Bustamante-Rúa +2 more
doaj +1 more source
Sistema de calidad del aire en minas subterráneas y túneles
Ciencia & Futuro, 2022 Se valoraron los rangos de oxígeno, los contaminantes y los parámetros climáticos en el interior de las minas o túneles. Se estudiaron las variables que determinan la calidad del aire en las construcciones subterráneas con la finalidad de satisfacer las ...
Erickson C. C. Lopes-Silvestre
doaj
Revista Brasileira de Engenharia Agrícola e Ambiental, 2012 Um estudo foi realizado no município de Manhuaçu, Minas Gerais, objetivando estudar os efeitos dos agrotóxicos utilizados nas culturas de café em águas superficiais e subterrâneas. Manhuaçu está localizada em uma região brasileira importante em termos de
Alexandra F. S. Soares +3 more
doaj +1 more source
Revista Brasileira de Cartografia, 2023 Em regiões áridas e semiáridas, como o Norte de Minas Gerais (NMG) no Brasil, as águas subterrâneas servem como um recurso crucial. Devido ao aumento previsto na procura destes recursos, é vital conceber estratégias eficazes para a gestão e análise dos ...
Cristiano Marcelo Pereira Souza +4 more
doaj +1 more source