Results 41 to 50 of about 3,050 (183)

The Rise of Environmental Scarcity and the Global Security Implications: The Cases of Darfur, Syria, and India–Pakistan Water Conflicts

World Affairs, Volume 189, Issue 3, Fall 2026.
ABSTRACT This study explores how global governance affects environmental security in three cases where environmental scarcity interacted with weak governance to produce conflict: the Darfur water crisis, the role of drought in the Syrian civil war, and the India–Pakistan water conflict over the Indus River.
Osman Antwi‐Boateng, Taha Yahya Abdulrahman   +1 more
wiley   +1 more source

Accumulation of Methylmercury in the High-Altitude Lake Uru Uru (3686 m a.s.l, Bolivia) Controlled by Sediment Efflux and Photodegradation

Applied Sciences, 2020
In shallow aquatic environments, sediment is a significant source of monomethylmercury (MMHg) for surface water (SW). High-altitude aquatic ecosystems are characterized by extreme hydro-climatic constraints (e.g., low oxygen and high UV radiation).
Stéphane Guédron, Dario Achá, Sylvain Bouchet, David Point, Emmanuel Tessier, Carlos Heredia, Stéfany Rocha-Lupa, Pablo Fernandez-Saavedra, Marizol Flores, Sarah Bureau, Israel Quino-Lima, David Amouroux   +11 more
doaj   +1 more source

Simulating drying and human impacts on river networks to evaluate biological quality indices performance through the lens of metacommunity theory

Journal of Applied Ecology, Volume 63, Issue 5, May 2026.
This work constitutes a first step towards developing simulation‐based assessments that incorporate catchment drying patterns to support biomonitoring of drying river networks. Our approach can inform stakeholders when current methods are likely to fail and contribute to decision‐making on whether adapting current methods is possible or developing new ...
Zeynep Ersoy, David Cunillera‐Montcusí, Martí Piñero‐Fernández, Miguel Cañedo‐Argüelles, María Mar Sánchez‐Montoya, Núria Bonada, Núria Cid   +6 more
wiley   +1 more source

fastbioclim: An R package for creating custom‐time bioclimatic and derived environmental summary variables

Methods in Ecology and Evolution, Volume 17, Issue 5, Page 1585-1594, May 2026.
Abstract Bioclimatic variables, widely used in ecological and biogeographical studies, are typically derived from 30‐year averages of monthly data (e.g. 1971–2000). Unfortunately, the use of these long‐term averaged variables often creates a temporal mismatch with the observational data collected, which potentially undermines how environmental ...
Gonzalo E. Pinilla‐Buitrago, Luis Osorio‐Olvera   +1 more
wiley   +1 more source

Reducción del drenaje profundo y la lixiviación de nitrógeno en rotaciones agrícolas con cultivos de cobertura

Ecología Austral, 2016
Los cambios de vegetación pueden alterar los flujos de agua y nitrógeno (N) de los ecosistemas. La intensificación de las rotaciones con cultivos de cobertura (CC) otoño-invernales reduce el N del suelo y el riesgo de lixiviación durante los excesos ...
Silvina I. Portela, Silvina B. Restovich, Hugo M. Gonzalez, María J. Torti   +3 more
doaj   +1 more source

5 Índice de calidad ambiental urbana de Cuenca

Universidad-Verdad, 2017
Los procesos de crecimiento urbano implican, a veces, impactos negativos en el bienestar de sus habitantes. El incremento de los niveles de contaminación, la generación de residuos, el consumo excesivo de agua y energía, la disminución de áreas verdes, son algunos de los problemas que afectan a la calidad ambiental urbana. Con el objetivo de evaluar la
Chester Sellers Walden, María Lorena Orellana Samaniego, Julia Martínez Gavilanes   +2 more
openaire   +2 more sources

Vegetal residue‐based formulation of Trichoderma ossianense, a new indigenous vineyard species adapted to alkaline pH with potential biocontrol ability against Black‐foot disease pathogens

Pest Management Science, Volume 82, Issue 4, Page 2910-2924, April 2026.
The study identifies Trichoderma ossianense, was can be isolated from grapevine roots, is capable of growing at alkaline pH and controls black‐foot pathogens, highlighting the vegetal residue‐based formulations that preserve its viability. Abstract BACKGROUND Fungi of the Trichoderma genus are used in vineyards as biological control agents mainly ...
Laura Zanfaño, Guzmán Carro‐Huerga, Álvaro Rodríguez‐González, Sara Mayo‐Prieto, Daniela Ramírez‐Lozano, Rosa E Cardoza, Santiago Gutiérrez, Pedro A Casquero   +7 more
wiley   +1 more source

Ambientes de calidad en la infancia temprana

Pensando Psicología, 2015
Propósito: el artículo tiene por objetivo compartir parte de la experiencia de Chile con relación a la búsqueda y construcción de ambientes de calidad que favorezcan el aprendizaje y desarrollo de los niños entre cero y seis años. Tema: la promoción de ambientes de calidad, desde la intencionalidad pedagógica del educador, al organizar el tiempo, el ...
openaire   +3 more sources

Plant canopies sustain soil C‐N‐P enzyme activities under climatic disequilibrium

Journal of Ecology, Volume 114, Issue 4, April 2026.
Our findings reveal that plant–soil interactions are sensitive to mismatches between plant communities and climate. By enhancing enzymatic functioning under conditions of climatic disequilibrium, canopy plants contribute to maintaining nutrient cycling processes and potentially ecosystem resilience.
Jorge Prieto‐Rubio, Jordi Margalef‐Marrasé, Francisco Lloret, Marta Goberna, Ana Rincón, Miguel Verdú   +5 more
wiley   +1 more source

Método rápido de verificación de mutantes de Escherichia coli empleados en ingeniería genética

VacciMonitor, 2018
Para las metodologías de ADN recombinante, los biólogos moleculares emplean mutantes de Escherichia coli que son adquiridos de kit comerciales o de colecciones microbianas especializadas.
Annia González-Crespo, Anette Hardy-Sosa, Angela E. Sosa-Espinosa   +2 more
doaj