Results 71 to 80 of about 605,160 (179)

First record of young‐of‐the‐year smooth hammerhead (Sphyrna zygaena) in coastal waters of Galicia, northwest Spain

open access: yesJournal of Fish Biology, EarlyView.
Abstract The smooth hammerhead (Sphyrna zygaena) is typically considered an oceanic species and is only rarely observed in the cooler coastal waters of the northeastern Atlantic. On 20 December 2024, a juvenile S. zyganea was captured at 25 m depth in the inner Ría de Pontevedra (Rías Baixas, northwest Spain).
Xabier Pin   +3 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

Sobre patrones de consumo y transición energética [PDF]

open access: yes, 2015
Existen abundantes estudios sociales acerca de la transición energética, pero ellos provienen principalmente de países desarrollados. Los estudios en América Latina son incipientes todavía.
Parker, Christian
core   +1 more source

Trends and Challenges in Water Governance Systematic Review and Bibliographic Study of Scientific Publications (2018–2025)

open access: yesWorld Water Policy, Volume 12, Issue 2, May 2026.
ABSTRACT Water governance has emerged as a critical analytical framework for addressing the complexity of socioecological water systems in contexts of increasing climate vulnerability and anthropogenic pressure. This study presents a systematic review and bibliometric analysis of 50 scientific articles indexed on water governance published between 2018
Roger Pichis‐García   +1 more
wiley   +1 more source

Design and evaluation of a nanofluid containing magnetite and graphene oxide nanocomposites to prevent asphaltenes precipitation in porous media

open access: yesCT&F Ciencia, Tecnología & Futuro
The precipitation and destabilization of asphaltenes in mature oil fields pose significant challenges to the oil industry, leading to damage on the producing formation and the potential blockage of production facilities.
Angel Fabian Corredor Marín   +4 more
doaj   +1 more source

Economic crisis and democratic consolidation in Spain, 1973-82 [PDF]

open access: yes, 2006
This Spain's transition from dictatorship to democracy after the death of General Francisco Franco in 1975 has been viewed in many ways. Political historians and political scientists generally deem it an outstanding success.
Harrison, Joseph
core   +1 more source

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

open access: yesEcological Entomology, Volume 51, Issue 2, Page 221-234, April 2026.
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

La Transición del feudalismo al capitalismo : ¿Una transición urbana o básicamente rural? [PDF]

open access: yes, 2010
L'article analitza les diferents visions historiogràfiques sobre la transició del feudalisme al capitalisme i els debats de la segona meitat del XX. El treball constata que en els primers plantejaments teòrics (Smith i Marx) i en les anàlisis, sense ...
Río Aldaz, Ramón del
core   +1 more source

Potential Invasive Indo‐Pacific Acropora in a Coral Reef of Venezuela: A Contribution to Their Morphological and Molecular Knowledge

open access: yesEcology and Evolution, Volume 16, Issue 3, March 2026.
We report the first record of a non‐native hermatypic coral in Venezuela, exhibiting biological traits characteristic of invasive species. The coral is a member of the genus Acropora (Scleractinia: Acroporidae), native to the Indo‐Pacific. This non‐native petrous coral occurred in a reef of the Morrocoy National Park, in the southern Caribbean.
Estrella Y. Villamizar G.   +9 more
wiley   +1 more source

Transición política y transición filosófica en la España contemporánea: un enfoque sociofilosófico [PDF]

open access: yes, 2009
En este artículo se presentan las líneas maestras de un proyecto de investigación que pretende analizar y explicar el proceso de “transición” que afectó al campo filosófico español entre 1960 y 1990.
Vázquez García, Francisco
core   +3 more sources

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