Results 31 to 40 of about 2,154 (180)

Assessing contributions of deterministic versus stochastic processes to local species assembly: A field experiment with annual plant‐dominated communities in gypsum systems

open access: yesJournal of Ecology, Volume 114, Issue 3, March 2026.
In this study, we experimentally show that stochasticity can play prominent roles in driving local species assembly in annual plant‐dominated communities of semiarid gypsum ecosystems. Drylands are traditionally viewed as restrictive environments that impose strong deterministic filtering effects, but neutral events can also contribute decisively to ...
Laura Ortiz   +3 more
wiley   +1 more source

Remoción de microorganismos patógenos presentes en un licor mixto bajo condiciones de laboratorio empleando filtros empacados en zeolita natural

open access: yesRevista Ingenierías Universidad de Medellín, 2014
En este artículo, se presentan los resultados obtenidos en la remoción de coliformestotales, coliformes fecales y salmonella-shigella, presentes en un licor mixtoproveniente de la planta de tratamiento de aguas residuales San Fernando (Medellín,Colombia),
Diana Rocío Acevedo Cifuentes   +3 more
doaj  

Multiscale Environmental Drivers of Aquatic Insect Assemblages in Cerrado Streams

open access: yesAustral Ecology, Volume 51, Issue 3, March 2026.
Multi‐scale drivers of aquatic insect communities in Cerrado streams. The gradient (from left to right) indicates increasing spatial scale, showing that abundance is influenced by local factors (conductivity, temperature), taxonomic richness responds to agricultural land use at an intermediate scale, and community composition is structured by regional ...
Juliana Simião‐Ferreira   +9 more
wiley   +1 more source

Reducción de pérdidas de potencia activa y mejoramiento de la calidad de la onda de tensión en sistemas de distribución

open access: yesRevista UIS Ingenierías, 2002
Este artículo presenta un método quepennite disminuir las pérdidas de potencia activa del sistemay mejorar la calidad del servicio de energía eléctrica mediante la ubicación y el dimensionamientoóptimo defiltros pasivos (predetenninados) en sistemas de ...
Johan Farith Petit   +1 more
doaj  

Filtro holográfico adaptado

open access: yes, 2021
RESUMEN: Un Filtro Holográfico Adaptado (FHA) es un procesador óptico que permite realizar operaciones de correlación y convolución, las cuales se ven reflejadas en la aparición de patrones de intensidad a la salida del procesador. En este trabajo se evidencia la relación que existe entre el ángulo de incidencia de la onda plana usada en la creación ...
Barrera Ramírez, John Fredy   +1 more
openaire   +1 more source

The Alpine Germination Syndrome Differs Between Temperate and Mediterranean Habitats

open access: yesJournal of Vegetation Science, Volume 37, Issue 2, March/April 2026.
We studied four germination cues across 56 species from Mediterranean and temperate alpine habitats to investigate if germination responses differ in a climatically heterogeneous region. Differences between habitats were only observed in germination responses to cold stratification, although germination requirements were highly species‐specific ...
Espinosa del Alba Clara   +3 more
wiley   +1 more source

USO DE FILTROS DE CONTEÚDO NA INTERNET E SUA INTERFERÊNCIA NA DEMOCRACIA

open access: yesRevista Eletrônica Direito e Política, 2018
A internet é considerada um espaço democrático, podendo ser utilizada para promover a participação popular e o exercício da cidadania. Contudo, também pode ser usada para restringir liberdades indivíduas, como a de expressão quando da utilização de ...
Thais Dagostini Santin   +1 more
doaj   +1 more source

One‐Sidedness and the Inferior Function in Coriolanus and Timon of Athens

open access: yesJournal of Analytical Psychology, Volume 71, Issue 1, Page 8-34, February 2026.
Abstract For both Jung and Shakespeare, one‐sidedness is the fundamental tragic trait. Jung proposed that as an individual develops, they inevitably associate their identity with certain modes of perception and interaction, and that this leads to psychological polarization.
Sofie Qwarnström
wiley   +1 more source

Comparison of drone and ground surveys for the detection of a rare plant in a fragile ecosystem

open access: yesEcological Solutions and Evidence, Volume 7, Issue 1, January–March 2026.
We compared the accuracy, time, and financial costs of drone and ground surveys for the detection of wood lilies (Lilium philadelphicum) in an endangered alvar ecosystem. We found that the drone surveys detected 73%–78% of the plants found in the ground surveys, but that this type of survey was more expensive and time consuming than the ground survey ...
Ana Hernández Martínez de la Riva   +3 more
wiley   +1 more source

REMOCIÓN DE MICROORGANISMOS PATÓGENOS PRESENTES EN UN LICOR MIXTO BAJO CONDICIONES DE LABORATORIO EMPLEANDO FILTROS EMPACADOS EN ZEOLITA NATURAL REMOVAL OF PATHOGENIC MICROORGANISMS PRESENT IN MIXED LIQUOUR UNDER LABORATORY CONDITIONS BY USING FILTERS PACKED IN NATURAL ZEOLITE

open access: yesRevista Ingenierías Universidad de Medellín, 2012
En este artículo, se presentan los resultados obtenidos en la remoción de coliformes totales, coliformes fecales y salmonella-shigella, presentes en un licor mixto proveniente de la planta de tratamiento de aguas residuales San Fernando (Medellín ...
Diana Rocío Acevedo Cifuentes   +3 more
doaj  

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