Results 71 to 80 of about 176,379 (165)

Seasonal shifts in network structure and species roles in a tropical island plant–flower visitor community Cambios estacionales en la estructura de la red de interacciones entre plantas y visitantes florales y en los roles de las especies en una comunidad insular tropical

open access: yesInsect Conservation and Diversity, EarlyView.
Constant visitation rates across the flowering season masked major shifts in plant and flower visitor interaction structure, specialization, species roles and trait‐driven patterns shaping interaction intensity. Plants and flower visitors changed ecological roles over time, with native flower visitors playing key roles in maintaining network cohesion ...
Alba Costa   +3 more
wiley   +1 more source

A tango tale: on the closure of the Argentine fully funded system [PDF]

open access: yes
With an early welfare system, Argentina’s demography is more similar to the South European countries than to the majority of Latin American ones. The country reformed its old fashioned Pay-As-You-Go system in the 1990s, introducing a Fully Funded scheme,
Ferro, Gustavo, Castagnolo, Fermando
core  

Pérdida auditiva por SARS-CoV-2

open access: yes, 2022
"Existen diferentes agentes etiológicos que pueden causar la pérdida auditiva, aunado a esto, en el contexto COVID-19, se reportan casos clínicos en donde la infección por SARS-CoV-2 se relaciona con la pérdida auditiva.
Moyo Eloiza, Dulce María
core  

Duelo y resiliencia en madres y esposas de militares en México

open access: yesEntretextos
La profesión militar se encuentra íntimamente ligada a los cambios de domicilio alrededor del país, por lo cual, las familias militares se ven obligadas a atravesar la pérdida de la residencia en innumerables ocasiones, sin embargo, para las esposas y ...
Cecilia Nayeli Medina Hernández
doaj   +1 more source

Subsistence hunting shapes the spatial variation of jaguar densities in community‐managed forests

open access: yesJournal of Zoology, EarlyView.
Jaguars and people can coexist in community‐managed forests, but distance matters. In Guatemala's Maya Biosphere Reserve, jaguar numbers increased markedly in areas harder to reach on foot, yet jaguars were still found near communities, showing that responsibly managed forests can support jaguar populations while allowing people to maintain traditional
L. Perera‐Romero   +5 more
wiley   +1 more source

Pérdida de aprendizajes en México

open access: yes, 2023
En el artículo “Pérdida de aprendizajes en México en educación básica tras la pandemia COVID-19” se analizan las investigaciones sobre pérdida de aprendizajes a nivel mundial por el cierre de escuelas durante la pandemia por Covid-19 y las problemáticas ...
Osbaldo Amauri Gallegos de Dios
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Tick‐borne diseases in subtropical dairy farming: The role of calf rearing strategies in antibody and antigen prevalence Enfermedades Transmitidas por Garrapatas en la Ganadería Lechera subtropical: El Papel de las Estrategias de Crianza de Terneros en la Prevalencia de Anticuerpos y Antígenos

open access: yesMedical and Veterinary Entomology, EarlyView.
Tropical farmers try to adapt calf‐rearing systems to temperate dairy industry standards. Calves in tick‐infested areas develop stronger immunity to TBD under controlled exposure to ticks. Early tick exposure promotes sustainable management, balancing tick infestation and developing TBD immunity.
Daniela Balseca   +11 more
wiley   +1 more source

Predictive evolutionary genomics: principles, validation, and practice

open access: yesNew Phytologist, Volume 252, Issue 1, Page 36-48, October 2026.
Summary Climate change and habitat loss are driving rapid evolutionary responses in populations world‐wide, which creates an urgent need for evolutionary forecasting in conservation and agriculture. Such forecasting can be categorized into three time scales: trait‐based models that use multivariate quantitative genetic equations to project correlated ...
Daniel Ortiz‐Barrientos   +5 more
wiley   +1 more source

Pérdida de consonante sonora postónica en paroxítonos - Pérdida de consonantes sonoras

open access: yes, 2018
2 fichas que forman unidad. En ellas se informa de que la pérdida de ciertas consonantes sonoras es posterior a la pérdida de la vocal final obligatoria, pero anterior a la pérdida de la vocal final potestativa.
Menéndez Pidal, Ramón (1869-1968)
core  

Poverty, Inequality, and Social Security During the COVID‐19 Pandemic: Evidence From Linked Swiss Tax Data

open access: yesPoverty &Public Policy, Volume 18, Issue 3, September 2026.
ABSTRACT This paper examines the impact of the COVID‐19 pandemic on income and wealth inequality in Switzerland, with a particular focus on poverty dynamics and the role of the social security system. Using newly linked administrative tax data for four large cantons covering over a third of the Swiss population, we track changes in household income and
Oliver Hümbelin   +2 more
wiley   +1 more source

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