Results 71 to 80 of about 181,452 (162)

Hydropower Regulation of Xingu River Discharge Structures Heterogeneous, Sector‐Specific Responses in Pacu Fisheries Along the River Continuum

open access: yesFisheries Management and Ecology, EarlyView.
ABSTRACT Hydroelectric dams are common in Amazonian tributaries under federal environmental licensing that requires long‐term fisheries monitoring. This study evaluated three fishing systems targeting “pacu” species (Serrasalmidae) in the Xingu River before, during, and after construction of the Belo Monte dam (2012–2023) across four river sectors ...
João Paulo Moura de Queiroz   +5 more
wiley   +1 more source

Wood Thrush (Hylocichla mustelina) occupancy patterns reveal sensitivity to low precipitation on nonbreeding grounds in northern Costa Rica

open access: yesIbis, EarlyView.
Climatic change and anthropogenic disturbances are reshaping animal populations. Habitat loss and extreme climatic events are particularly strong drivers of declines in species that depend on forested areas. For migratory songbirds, climate and the persistence of suitable habitat over time are fundamental to sustaining populations annually.
Isabel Vargas‐Valverde   +3 more
wiley   +1 more source

Distribución del riesgo en el contrato de construcción: perspectiva internacional

open access: yesRevist@ E-Mercatoria, 2009
El contrato de construcción por la naturaleza de sus prestaciones está sometido a las contingencias de múltiples riesgos, que pueden generar una mayor onerosidad o incluso la imposibilidad de su ejecución. En el presente artículo, se presenta un concepto
Mónica Lizet Morales Neira   +2 more
doaj  

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

Procedimiento para Solicitar Excepción a la Pérdida de la Gratuidad

open access: yes, 2023
Procedimiento para solicitar excepción a la pérdida de la ...
Vicerrectorado de Docencia
core  

Los silencios en la clínica del duelo

open access: yesDesde el Jardín de Freud, 2011
El mito de Orfeo, bajando al Hades para reencontrar a Eurídice, nos sumerge de entrada en la problemática del duelo. La doctrina del orfismo muestra que existe una sublimación posible después de la doble pérdida de Eurídice.
Frédéric Vinot
doaj  

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

Época visigótica (414-711) - Gramática. Fonética y morfología - Pérdida de conjugación “-ĔRE” posterior a pérdida de postónica

open access: yes, 2018
1 ficha. El vuelto tiene anotaciones invertidas y el papel ha sido reutilizado para el recto. Información sobre que la pérdida de la conjugación “-ĔRE” es un fenómeno posterior a pérdida de la vocal postónica ...
Menéndez Pidal, Ramón (1869-1968)
core   +1 more source

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

Factores de riesgo asociados a la morbilidad materna extrema

open access: yesRevista Cubana de Medicina Militar
Introducción: La morbilidad materna extrema es aquella complicación grave que ocurre durante el embarazo, parto o puerperio que pone en riesgo la vida de la mujer y se asocia a resultados perinatales adversos.
Edy Vera- Loyola   +7 more
doaj  

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