Results 21 to 30 of about 3,512 (119)

El páramo: aula abierta para el aprendizaje de las ciencias naturales

Educación y Ciencia, 2013
En Suramérica, entidades y agrupaciones de personas han buscado mejorar las condiciones ambientales y sociales de los ecosistemas de páramos a partir del Proyecto “Páramo Andino”, mediante la construcción de alianzas a lo largo del corredor ecológico ...
Inés Andrea Sanabria Totaitive, Gloria Leonor Gutiérrez Gómez   +1 more
doaj   +1 more source

Mapeo semiautomático de áreas quemadas en Chimborazo-Ecuador utilizando medias compuestas de dNBR con umbrales ajustados

Revista de Teledetección, 2023
En este trabajo se implementó una metodología semiautomática para la delimitación de áreas quemadas en la provincia de Chimborazo en Ecuador, durante el periodo 2018-2021 utilizando la base de datos de incendios forestales suministrada por el Programa ...
César Cisneros-Vaca, Julia Calahorrano, María Abarca, Mery Manzano   +3 more
doaj   +1 more source

Effects of land use on soil CO₂ flux in the Paramo de Guerrero, Colombia

Agronomía Colombiana, 2016
The Andean paramo is an important global carbon sink and has a fundamental ecological function of capture, regulation and supply of water resources. The soil CO2 efflux is a natural process through which the carbon is released into the atmosphere by ...
Diego Peña-Quemba, Yolanda Rubiano-Sanabria, Diego Riveros-Iregui   +2 more
doaj   +1 more source

Novedades del orden Pucciniales sobre la familia Asteraceae en páramos de Antioquia (Colombia)

Caldasia, 2018
Se presentan los Pucciniales colectados sobre la familia Asteraceae en el Páramo del Sol, Páramo Serranía las Baldías, Páramo de Sonsón y Páramo de Santa Inés, ubicados en el departamento de Antioquia (Colombia).
Katherin Maritza Vanegas-B, Mauricio Salazar-Yepes   +1 more
doaj   +1 more source

Business and Biodiversity: Scaling Conservation Enterprises Within and Beyond Place for Transformative Change

Business Strategy and the Environment, EarlyView.
ABSTRACT Transformative change is required to address persistent and systemic drivers of biodiversity loss. There is an urgent need for innovative solutions that tackle root causes in place‐specific contexts. Evidence indicates that small, innovative, purpose‐driven businesses can serve as vehicles for developing place‐based solutions.
Shova Thapa Karki, Bradley D. Parrish
wiley   +1 more source

Análisis y evaluación de riesgos de arsénico en las fuentes de agua de las ciudades de Cuenca y Azogues, Ecuador

Maskana, 2021
El arsénico (As) es un elemento tóxico presente en el medio ambiente que representa una amenaza para la salud de los consumidores. Para identificar el contenido de arsénico en ríos, páramos y pozos de la ciudad de Cuenca, y en ríos de la ciudad de ...
Guillermina Pauta-Calle, María Velasco-Heras, Gabriela Vázquez-Guillén, Andrea Abril-Torres, Santiago Torres-Inga   +4 more
doaj   +1 more source

Multicenter Interlaboratory Study of Thrombin Generation Assay in Healthy Adults Using the ST Genesia Analyzer With the STG‐ThromboScreen Reagent (With and Without Thrombomodulin)

International Journal of Laboratory Hematology, EarlyView.
ABSTRACT Introduction Fully automated thrombin generation (TG) assays facilitate the transition from research to clinical application. We conducted a multicenter inter‐laboratory study using the ST Genesia analyzer to evaluate assay performance and establish reference intervals in healthy adults from Spain and Portugal.
Diego Velasco‐Rodríguez, María Marcos‐Jubilar, Inés Martínez‐Alfonzo, Laura Martos, Carlos Aguilar, Noelia Vilalta, Dolors Llobet, Ana Marco‐Rico, David Aragoneses, Pascual Marco, Luciana Ricca, David Ferreira, Sara Lopes, João Mariano‐Pego, Ángel Bernardo, Antonio Moscardó, Santiago Bonanad, Susana Gassiot, Isabel Gutiérrez‐Jomarrón, Jose Antonio Páramo, Pilar Llamas‐Sillero, Joan Carles Reverter   +21 more
wiley   +1 more source

The upper forest limit and the fate of bird assemblages in high-Andean páramo ecosystems in the Northern Andes

Global Ecology and Conservation
The altitudinal shift of the Upper Forest Limit is a key driver of expansion and contraction cycles in high Andean páramo ecosystems above the treeline.
Jhon jairo Calderón Leyton, Rubén Darío Palacio, Raul Ernesto Sedano-Cruz   +2 more
doaj   +1 more source

The case for an epiphyte area index

New Phytologist, EarlyView.
Three distinct ecosystems where epiphytes contribute a substantial vegetative area in the canopy.
Collin Wischmeyer, Sybil G. Gotsch, Philipp Porada, John T. Van Stan II   +3 more
wiley   +1 more source

Clean Cooking in the Global South: A Critical Synthesis of Causal Evidence and a Future Research Agenda

South African Journal of Economics, Volume 94, Issue 4, December 2026.
ABSTRACT This paper synthesizes causal evidence on the transition from traditional biomass to improved cookstoves and modern fuels like LPG and electricity. Although literature identifies liquidity, gender and information as primary barriers to adoption, uncertainty remains regarding usage intensity and technological persistence.
Yonas Alem
wiley   +1 more source