Results 61 to 70 of about 208,607 (232)

La frontera Sur de Europa: Tendencias evolutivas [PDF]

open access: yesRevista Española de Investigaciones Sociológicas, 1980
El sur de Europa o el Mediterráneo Norte, especialmente la Península Ibérica, ha ocupado una posición marginal en el desarrollo de la Nueva Europa. El hecho de que España y Portugal, e intermitentemente Grecia, fueran regímenes autoritarios y de que los países ibéricos no participaran en la Segunda Guerra Mundial al lado de los Vencedores, además de ...
openaire   +1 more source

Trade Unions and Sustainability: An Integrative Review

open access: yesSustainable Development, EarlyView.
ABSTRACT Despite the growing presence of trade unions (TUs) in sustainability discussions, academic research on their role is still scattered. This article presents an integrative review of 110 peer‐reviewed English‐language academic articles on this topic, indexed in Scopus and Web of Science and published between 1997 and early 2025.
Branko Bembič   +2 more
wiley   +1 more source

Ictiofauna de los humedales del río San Pedro, Balancán, Tabasco, México

open access: yesRevista de Biología Tropical, 2011
Los humedales de San Pedro sostienen redes tróficas del sistema fluvial debido a la alta disponibilidad de hábitats y a sus variaciones espacio-temporales.
Alfonso Castillo-Domínguez   +4 more
doaj  

Host acceptance by three native braconid parasitoid species attacking larvae of the Mexican fruit fly, Anastrepha ludens (Diptera, Tephritidae)

open access: yesJournal of Hymenoptera Research, 2018
We studied the oviposition and host acceptance behavior of three braconid parasitoid species native to Mexico, Doryctobracon crawfordi (Viereck), Opius hirtus (Fischer), and Utetes anastrephae (Viereck), with potential to be considered as biocontrol ...
Amanda Ayala   +4 more
doaj   +3 more sources

Un nuevo registro de Anemopaegma (Bignoniaceae, Bignonieae) para México

open access: yesActa Botanica Mexicana, 2023
Antecedentes y Objetivos: El género Anemopaegma comprende 45 especies neotropicales. La literatura más reciente registra tres de ellas para México. Una cuarta especie de este género fue identificada dentro de la colección de plantas vivas del Jardín ...
Karen Beatriz Hernández-Esquivel   +2 more
doaj   +1 more source

First Non‐Invasive Monitoring of Fecal Steroids in Greater Caribbean Manatees (Trichechus manatus manatus)

open access: yesZoo Biology, EarlyView.
This study established the first fecal hormonal reference values (P4/E2) for the Greater Caribbean manatee. Using non‐invasive ELISA, the authors found no significant differences between mature and immature females, highlighting that long‐term monitoring and ultrasounds are essential to fully understand their complex reproductive cycles.
Vanessa Bermúdez‐Cardona   +3 more
wiley   +1 more source

Scaling from microsite to landscape to resolve litter decomposition dynamics in globally extensive drylands

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Decomposition is the transformation of dead organic matter into its inorganic constituents. In most biomes, decomposition rates can be accurately predicted with simple mathematical models, but these models have long under‐predicted decomposition in globally extensive ...
Heather L. Throop   +8 more
wiley   +1 more source

La ley del talión: la frontera sur de México, una historia jurídico-social [PDF]

open access: yes, 2010
The south mexican frontier is presented as a complex scenary in which during the course of the centuries different and distinctive juridical overviews had been configurate, and diverse social and cultural elements had been mixed, variating the intensity ...
Narváez Hernández, José Ramón
core   +2 more sources

Droughts and human impact in the ancient Uaymil region of the Maya lowlands inferred from a 2800‐year sedimentary archive at Lake Kaná, Mexico

open access: yesBoreas, EarlyView.
The relationship between the climate and societal transformation in Maya lowlands has long been debated, particularly the role of drought in shaping the civilization trajectory during the Classic Period. A high‐resolution, multi‐proxy, geochemical record from Lake Kaná, located in the underexplored Uaymil region of the Yucatán Peninsula in Mexico ...
Haydar B. Martinez‐Dyrzo   +5 more
wiley   +1 more source

Schedule‐dependent neuroprotection by pioglitazone in a novel model of α‐synucleinopathy in rats: Integrated behavioural and histological outcomes

open access: yesBritish Journal of Pharmacology, EarlyView.
Background and Purpose α‐Synucleinopathies are neurodegenerative disorders characterized by the aggregation and propagation of misfolded α‐synuclein. In Parkinson's disease (PD), the most common α‐synucleinopathy, the progression of motor and nonmotor deficits, and dopaminergic neuron loss, are closely linked to the spreading of misfolded α‐synuclein ...
Alberto Santiago‐Balmaseda   +5 more
wiley   +1 more source

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