Results 51 to 60 of about 602,411 (172)

Height and phytotelm size affect the invertebrate communities of epiphytic bromeliads in the Amazon rainforest

open access: yesEcological Entomology, EarlyView.
The height at which epiphytic bromeliads are found affects the invertebrate community composition within them. The size of epiphytic bromeliads is positively correlated with species richness of both aquatic and terrestrial invertebrates. Whether bromeliads were found in primary or secondary forest did not have a significant effect on the community of ...
Xaali O'Reilly‐Berkeley   +6 more
wiley   +1 more source

Finding a mix of renewable energy for different stakeholders by applying multi‐criteria decision‐making techniques

open access: yesInternational Transactions in Operational Research, Volume 33, Issue 4, Page 2499-2534, July 2026.
Abstract This paper presents a two‐stage model for planning a renewable energy portfolio by balancing economic, social and environmental sustainability goals. The first stage addresses a multi‐objective problem where conflictive impacts generated by the energy portfolios should be optimised according to the corresponding economic, social or ...
Amelia Bilbao‐Terol   +2 more
wiley   +1 more source

Propuestas para el manejo sostenible de recursos naturales en comunidades agrícolas del volcán Ilaló

open access: yesRevista de Investigación e Innovación Agropecuaria y de Recursos Naturales
El Ilaló es un volcán inactivo de 3 169 m s. n. m., ubicado en la región interandina del Ecuador, a 8 km al este de Quito. Sirve como divisoria natural entre los valles de Los Chillos y Tumbaco. Las condiciones actuales del entorno, especialmente en las
Walter Esteban Pisco Maldonado   +2 more
doaj   +1 more source

Governo Sarney: dilemas e virtudes de una transição negociada

open access: yesSecuencia, 1999
Pese a las trabas que impuso la reforma del Estado, dentro de la transición los partidos retomaron un lugar central en el desarrollo de los procesos políticos.
Rachel Meneguello
doaj   +1 more source

Transición y desplazamiento [PDF]

open access: yes, 2014
Afganistán experimentará en 2014 una combinación de “transiciones” políticas, económicas y de seguridad, cuyas respuestas serán fundamentales en la determinación de la magnitud de posteriores desplazamientos de afganos en los próximos ...
Koser, Khalid
core   +1 more source

From Douyin Shop to TikTok Shop: The Platformized Supply Chain, Spatialized Business Model, and Regional Partnership in Cross‐Border e‐Commerce

open access: yesPolicy &Internet, Volume 18, Issue 1, March 2026.
ABSTRACT This article investigates how TikTok Shop reproduces the e‐commerce model of Douyin Shop against a backdrop of divergent regulatory challenges and geopolitical distrust. One of the strategic changes we observe in TikTok Shop is the shift of consumer goods suppliers from local merchants to China‐based sellers.
Shuaishuai Wang, Jing Meng, Yitong Li
wiley   +1 more source

La educomunicación ambiental hacia la transicion energética desde la perspectiva de género. Estado del arte [PDF]

open access: yes, 2018
La civilización actual se encuentra ante el gran reto de los próximos años, el cambio climático, para ello es necesario una transición ecológica que permita alcanzar los objetivos del desarrollo hacia una sociedad sostenible, justa e igualitaria.
Fernández-Reyes, Rogelio (Coordinador)   +3 more
core  

Widespread Detection of Amphibian Pathogens in Frog‐Biting Midges (Corethrellidae): Implications for Xenosurveillance

open access: yesBiotropica, Volume 58, Issue 2, March 2026.
Amphibian populations worldwide face threats from emerging infectious diseases. We screened frog‐biting midges (Corethrella spp.) from Central and South America for Batrachochytrium dendrobatidis, Ranaviruses, and Trypanosoma spp. using qPCR. All three pathogens were detected, indicating that Corethrella may act as vectors and represent promising tools
Jonas Virgo   +3 more
wiley   +1 more source

A Novel Blockchain-Based Stochastic Framework for Energy Hub Management in Smart Grids Considering Energy Miners

open access: yesResults in Engineering
In recent years, the rapid expansion of blockchain technology has led to a rise in miners' energy consumption, creating considerable challenges for maintaining the stability of smart grids (SGs).
Hanieh Molaie   +7 more
doaj   +1 more source

Ressenyes bibliogràfiques [PDF]

open access: yes, 1990
Index de les obres ressenyades: TEZANOS; COTARELO; DE BLAS, La transición democrática ...
Baras i Gómez, Montserrat
core   +1 more source

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