Results 31 to 40 of about 466,981 (170)

Sobre los mapas litológicos de las parroquias de la Diócesis de Vitoria-Gasteiz

open access: yesArqueología de la Arquitectura, 2003
Del análisis de las litologías empleadas en la construcción de 487 parroquias de la diócesis de Vitoria-Gasteiz, de sus características ornamentales, procedencia y distribución, se deducen varios aspectos a considerar en el análisis histórico y la ...
Luis M. Martínez-Torres
doaj   +1 more source

Drought reduces the value of both artificial and natural wetlands for gulls breeding in the Mediterranean region

open access: yesJournal of Applied Ecology, Volume 63, Issue 3, March 2026.
The importance of artificial wetlands for waterbird conservation can be easily overestimated from count data alone. The value of extensive fish ponds as a breeding habitat depends on maintaining the availability of natural marshes as a foraging habitat. This requires reducing impacts from groundwater extraction. Given recent abandonment of aquaculture,
Yingjun Wang   +5 more
wiley   +1 more source

Caracterización espectral y análisis del color verdadero de diferentes colorantes naturales como Bixa Orellana, Brassica oleracea, var. Capitata e Indigofera suffruticosa

open access: yesESPACIO I+D: Innovación más Desarrollo
En este trabajo se evaluó el proceso de obtención de colorantes a partir de especies vegetales como la Bixa Orellana (Achiote) y Brassica oleracea, var. capitata (col morada). Las absorbancias de los colorantes obtenidos fueron comparadas con Indigofera
Carlos Manuel García Lara   +4 more
doaj   +1 more source

Desarrollo y validación de un método ambientalmente amigable para determinación de metales pesados en pastos

open access: yesRevista de Ciencias Agrícolas, 2016
Los metales pesados son peligrosos para los seres vivos y el medio ambiente, pues no pueden ser degradados y pueden llegar a los seres humanos a través la cadena trófica, por lo tanto, su determinación en diferentes matrices para consumo humano y animal,
Amanda Lucia Chaparro   +4 more
doaj   +1 more source

CORPORATE FUTURES, ENERGY TRANSITION, AND NATURAL PROSTHETICS IN COLOMBIA'S CESAR MINING CORRIDOR

open access: yesCultural Anthropology, Volume 41, Issue 1, Page 134-162, February 2026.
ABSTRACT This essay examines the socioecological transformations of mining and post‐mining landscapes in the mining corridor of the Cesar Department, northern Colombia. When an open pit mine is about to close or has recently closed, companies promote post‐mining strategies framed as ecosystem restoration and social compensation.
JUAN PABLO VERA LUGO
wiley   +1 more source

Study of alternative geometries for fluidic oscillators by means of computational fluid mechanics [PDF]

open access: yes, 2015
Se estudiará el fllujo en el interior de osciladores fluídicos mediante el uso de un código comercial de Mecánica de Fluidos Computacional.Se estudiarán diferentes diseños y se compararán sus rendimientos.1. Documentación y estudio del estado del arte. 2.
Baucells Fuster, Xavier
core  

Can induced drying modulate the response of leaf litter decomposition and fungal diversity to wastewater effluents in permanent streams?

open access: yesFunctional Ecology, Volume 39, Issue 12, Page 3543-3555, December 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Watercourses are among the most threatened ecosystems globally and face multiple anthropogenic stressors of different origins and intensities that reduce biodiversity and disrupt ecosystem functioning.
Manuel Pinilla‐Rosa   +6 more
wiley   +1 more source

Documentación de la técnica de cromatografía de gases en el análisis de hidrocarburos alifáticos en aguas residuales [PDF]

open access: yes, 2012
En el presente documento se compilan los aportes bibliográficos en el estudio de la técnica de cromatografía de gases aplicada al análisis de hidrocarburos alifáticos en aguas residuales.
Montoya Pavi, Sergio Alejandro   +1 more
core  

Governing the Ungovernable: Mapping the Development of Groundwater Irrigation and Groundwater Policies in India

open access: yesWorld Water Policy, Volume 11, Issue 4, Page 1048-1064, November 2025.
ABSTRACT Groundwater governance is complex due to several externalities associated with groundwater being an invisible natural resource tied to the land with millions of extractors and limited means of exclusion. The paper traces the evolution of groundwater irrigation in India and the corresponding change in groundwater laws and policies to address ...
Anindita Sarkar, Amrita Sarkar
wiley   +1 more source

Modeling nature‐based restoration potential across aquatic–terrestrial boundaries

open access: yesConservation Biology, Volume 39, Issue 5, October 2025.
Abstract Today, few watersheds remain untouched by global change processes arising from climate warming, impoundments, channelization, water extraction, pollution, and urbanization. The need for restoration has resulted in a myriad of interventions, generally performed at small scales, which have limited measurable impact in restoring biodiversity and
B. Wegscheider   +5 more
wiley   +1 more source

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