Results 21 to 30 of about 3,674 (182)

Territorios y la COVID-19 en Ecuador: regiones funcionales como respuesta a la crisis sanitaria

Investigaciones Geográficas, 2022
La propagación de la COVID-19 ha enfrentado a los sistemas sanitarios del mundo a diversos desafíos. El incremento exponencial de casos que requieren atención hospitalaria ha generado escenarios de sobresaturación de los hospitales. En estos contextos la
Fernando Barragán-Ochoa, Esthela Salazar, César Benavidez-Silva, Galo Andrés Bastidas, Santiago Jaramillo, Jordan Ordóñez, Carolina García   +6 more
doaj   +1 more source

Ciclicidad climática en sedimentos lacustres de la Formación El Castellar (Cretácico inferior, Cordillera Ibérica)

Geogaceta, 2023
La Formación El Castellar (Hauteriviense superior-Barremiense basal) en el perfil Castillo de Aliaga (subcuenca de Galve, NE España) está constituida principalmente por margas y calizas lacustres.
Natalia Illueca Fernández, Carlos L. Liesa, Ana R. Soria   +2 more
doaj   +1 more source

Características morfológicas y cristalográficas del grafito de Osumita, Venezuela, y su uso como geotermómetro

Estudios Geologicos, 2003
Muestras representativas del grafito diseminado del Cerro Osumita, Estado Cojedes, Venezuela, fueron objeto de un estudio morfológico, petrográfico y cristalográfico, con el fin de establecer el grado de cristalinidad del mineral y la temperatura máxima ...
M. Martínez, M. Vivas, S. Manero, W. Meléndez, G. Garbán, A. Benavides   +5 more
doaj   +1 more source

Evaluating Youth Participatory Action Research in the Americas: Comparative Insights on Empowerment, Methodologies, and Social Change

Journal of Adolescence, EarlyView.
ABSTRACT Introduction Youth Participatory Action Research (YPAR) positions adolescents as co‐researchers to investigate and address social issues affecting their lives. While YPAR has gained global prominence, comparative research examining how it is conceptualized and practiced across regional contexts remains limited.
John Diaz, Paola Velasquez Quintero, Cody Gusto, Ivan Muñoz‐Echeverri, Camilo Norena Herrera, Laura Valencia   +5 more
wiley   +1 more source

Marine trophic architecture and hidden ecological connections in the Strait of Magellan: keystone species and ecosystem resilience

Oikos, EarlyView.
Understanding the ecological implications of species coexistence is central to biodiversity studies and to identify environmental and anthropogenic drivers of ecosystem dynamics, where ecological network analysis offers valuable insights. This study examines the complexity, structure, and potential responses to disturbances of the Strait of Magellan's ...
Claudia D. Andrade, Taryn Sepúlveda, Cristóbal Rivera, Cristian Aldea, Tomás I. Marina   +4 more
wiley   +1 more source

Unidades tectónicas y estructura del sector meridional de Sierra Espuña (Cordillera Bética, Murcia)

Estudios Geologicos, 2000
En la parte sur de Sierra Espuña existen cinco unidades tectónicas, la superior del complejo Maláguide, debajo tres de carácter intermedio y en posición inferior una unidad alpujárride. Varias escamas tectónicas descritas en anteriores trabajos dentro de
C. Sanz de Galdeano, M. Martín-Martín, A. Estévez   +2 more
doaj   +1 more source

Unveiling human–wildlife interactions in the context of livestock grazing abandonment and the return of large carnivores, ungulates and vultures: A stakeholder perspective

People and Nature, EarlyView.
Abstract Pastoral practices remain a widespread economic activity across European mountain regions. However, the viability of this activity may be threatened by the recovery of large wild vertebrates associated with passive rewilding, leading to the so‐called human–wildlife conflicts.
P. Acebes, F. J. Muñoz‐Gálvez, Z. Iglesias‐González, M. García‐Llorente, D. López‐García   +4 more
wiley   +1 more source

Manifestaciones hidrológicas e hidroquímicas de flujos subterráneos procedentes de formaciones poco permeables del terciario en el Somontano de Huesca

Estudios Geologicos, 1988
Se considera la presencia en el Somontano Oscense de flujos de agua subterránea procedentes de materiales detríticos terciarios de baja permeabilidad. Se da un modelo de flujo de las aguas subterráneas en estos materiales que permite explicar tanto su ...
J. A. Sánchez Navarro, F. J. Martínez Gil, L. San Román Saldaña, J. L. de Miguel Cabeza   +3 more
doaj   +1 more source

From maps to mandates: Multitemporal vegetation cover analysis as a tool to evaluate environmental judicial decisions

People and Nature, EarlyView.
Abstract This study examines the use of multitemporal vegetation cover analysis as a tool to assess the ecological effectiveness of judicial decisions that recognize the rights of nature, using Colombia's 2016 T‐622 decision on the Atrato River as a case study.
Juan Camilo Ríos‐Orjuela, Ana María Medina‐Sánchez, William Gonzalez‐Daza, Francisco Villa‐Rojas, Mauricio Madrigal‐Pérez   +4 more
wiley   +1 more source

Biodegradable Biocomposites of Isosorbide‐Plasticized Corn Starch Reinforced With Green Graphene: Enhanced Properties for Sustainable Applications

Polymer Composites, EarlyView.
Different properties of biocomposites based on TPS with isosorbide as a plasticizer and green graphene filler. ABSTRACT New biocomposites of corn starch plasticized with isosorbide and filled with two types of “green” graphene with different oxygen content, 1% (G99) and 8% (G92), were processed by melt blending.
Danny Moncada, Rebeca Bouza, Zoia Haholkina, Natalia Pettinelli, Rodríguez‐Llamazares Saddys, Maite Rico   +5 more
wiley   +1 more source