Results 71 to 80 of about 2,780 (218)

The influence of hydrological seasonality and land use and cover on the relationship between dissolved organic carbon and carbon dioxide along a karst‐draining large tropical river

open access: yesLimnology and Oceanography, Volume 70, Issue 10, Page 2858-2871, October 2025.
Abstract The partial pressure of carbon dioxide (pCO2) in rivers is influenced by carbonate weathering, soil CO2, photosynthesis, and the mineralization of dissolved organic carbon (DOC). In tropical regions, elevated temperatures intensify these processes. However, their seasonal dynamics remain poorly understood in large karst‐draining rivers.
Daniel Cuevas‐Lara   +5 more
wiley   +1 more source

Conocimientos y percepción de estudiantes de psicología sobre el trabajo profesional en personas con VIH

open access: yesRevista Digital Internacional de Psicología y Ciencia Social, 2022
Los psicólogos que se dedican a la atención de personas diagnosticadas con VIH es necesario que cuenten con una actitud favorable hacia el trabajo profesional que impacte en una mejor atención; además es necesario que como profesionales de la salud ...
Ricardo Sánchez-Medina   +4 more
doaj   +1 more source

THE MAIN DROPOUT FACTORS IN THE OPTOMETRY DEGREE AT UNAM-FES IZTACALA IN MEXICO

open access: yes, 2022
Este trabajo, de cohorte cuantitativo, tuvo por objetivo analizar los principales factores asociados con la deserción en la licenciatura en optometría impartida en la Universidad Nacional Autónoma de México en la Facultad de Estudios Superiores Iztacala.
Rodríguez, Nadia Yael Morales   +2 more
openaire   +1 more source

Habitat characterization and modeling of the potential distribution of the Military Macaw (Ara militaris) in Mexico [PDF]

open access: yes, 2008
Forest structure and composition have been used to assess the habitat characteristics that determine bird distributions. The patterns of distribution have been shaped by historical and ecological factors that play different roles at both temporal and ...
Anderson   +99 more
core   +1 more source

New Terpenoids from Viguiera dentata: In Silico Pesticide‐Likeness Properties, Acetylcholinesterase Inhibition, Molecular Docking, and Evaluation against Spodoptera frugiperda

open access: yesChemistry &Biodiversity, Volume 22, Issue 9, September 2025.
The chemical analysis of aerial parts of the melliferous Viguiera dentata led to the isolation of 20 substances, including the new cycloartanes 24‐epi‐argentatin C, 7β‐hydroxy‐24‐epi‐argentatin C, 7β‐hydroxy‐argentatin B. In‐combo results indicated that specific argentatins and ent‐kaurenoic acids have the potential to control Spodoptera frugiperda ...
Amira Arciniegas   +8 more
wiley   +1 more source

El Metaparadigma, una limitante para el Conocimiento de la Enfermería.

open access: yesCuidArte, 2012
Resumen: La enfermería ha evolucionado en las ultimas décadas  de forma importante, perfilándose como una ciencia  independiente e interdisciplinaria con la medicina y  otras, para que esto ocurra es necesario que todos los  elementos de la estructura ...
Margarita Acevedo Peña   +2 more
doaj   +1 more source

Formative assesment in the classroom: Discursive analysis of the feedback activity in supervised practice of undergraduate educational psychologists [PDF]

open access: yes, 2019
Este es un estudio discursivo sobre las evaluaciones formativas ocurridas en una actividad de retroalimentación como parte de la Práctica Supervisada de estudiantes de psicología educativa en una universidad pública de México (UNAM).
Bañuelos Lagunes, Patricia   +2 more
core   +2 more sources

Neuronal Nuclei That Are Activated After an Offensive Encounter in Female Djungarian Hamster (Phodopus campbelli)

open access: yesAggressive Behavior, Volume 51, Issue 4, July 2025.
ABSTRACT Neural bases of aggression have been analysed mainly in rodent males, finding that the medial preoptic area (mPOA), bed nucleus of the stria terminalis (BNST) ventromedial hypothalamus (VMH), anterior hypothalamus (AHN), and medial amygdala (MeA) integrate the core aggression circuit.
Héctor Reyes‐Arenas   +6 more
wiley   +1 more source

Diversification of the stem vascular system in a clade of recent radiation and multiple habit transitions: The Bunchosia clade (Malpighiaceae)

open access: yesAmerican Journal of Botany, Volume 112, Issue 6, June 2025.
Abstract Premise Within the Malpighiaceae, the Bunchosia clade is distinctive for its significant habit variation and abundance of different vascular variants. However, the processes underlying the diversification of the vascular system over time and the ontogenetic events involved remain unclear.
Angélica Quintanar‐Castillo   +2 more
wiley   +1 more source

Anfípodos bentónicos (Crustacea: Peracarida) del Sistema Arrecifal Sisal y línea de costa, noroeste de la península de Yucatán, golfo de México

open access: yesRevista Mexicana de Biodiversidad, 2020
Se analiza la biodiversidad, abundancia y distribución de los anfípodos bentónicos en los arrecifes de Sisal y Madagascar, incluyendo la línea de costa adyacente, SE del golfo de México. Se recolectaron 12,986 anfípodos, pertenecientes a 95 especies, 51
Ignacio Winfield   +4 more
doaj   +1 more source

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