Results 41 to 50 of about 1,100,923 (189)

Análisis de fuentes de datos para seguir la evolución de Bitcoin

Documentos Ocasionales
El mercado de criptoactivos ha experimentado un notable crecimiento en los últimos años, acompañado de grandes fluctuaciones en su valor. Esta expansión, junto con su creciente integración en los sistemas financiero y monetario, ha incrementado los ...
José Manuel Carbó, Hossein Jahanshahloo, José Carlos Piqueras   +2 more
semanticscholar   +1 more source

Floristic Composition and Species Conservation Status in Three Polylepis (Rosaceae) Relict Forests in Peru

Plants
This study assessed the floristic composition, endemism, and conservation status of three relict Polylepis forests (“queñua”) in Oyón, Peru, located between 4000 and 4500 m a.s.l.
Yakov Quinteros-Gómez, Jehoshua Macedo-Bedoya, Flavia Anlas-Rosado, Sergio Yangua-Evangelista, Franco Angeles-Alvarez, Shirley Azurín-Sotelo, Marcel La Rosa-Sánchez, Doris Gómez-Ticerán, Enoc Jara-Peña, José Campos-De la Cruz, Bruno Padilla-Torres, Iván Fernández-De la Cruz   +11 more
doaj   +1 more source

Policy Networks and Policy Entrepreneurship in the EU: Explaining Structural Policy Change in Pharmaceutical Innovation Incentives and Health Technology Assessment

European Policy Analysis, EarlyView.
ABSTRACT Policy process research has excelled in explaining structural policy change within national settings, but extensions and applications to the EU level have long proven challenging for scholars. Given that the EU is currently experiencing its longest period of Treaty stability since the 1980s—having evolved into a sui generis political system ...
Vassilis Karokis‐Mavrikos
wiley   +1 more source

[Translated article] Prognostic Value of Vitamin D Serum Levels in Cutaneous Melanoma

Actas Dermo-Sifiliográficas, 2022
Introduction: Vitamin D plays a fundamental role in many metabolic pathways, including those involved in cell proliferation and the immune response. Serum levels of this vitamin have been linked to melanoma risk and prognosis.
R. Moro, A. Sánchez-Silva, M. Aguerralde-Martin, R. González-Cuevas, L. Peruilh-Bagolini, V. Traves, E. Manrique-Silva, C. Requena, E. Nagore   +8 more
doaj   +1 more source

Digital fire technologies and community networks: Cultivating just sociotechnical practices for living with planetary change

People and Nature, EarlyView.
Abstract Fires are expanding in frequency and intensity worldwide due to climate change and land‐use transformations. At the same time, fire often plays a regenerative role in ecosystems. Traditional and cultural practices incorporate fire use for landscape management and landscape renewal. In this complex matrix of fire ecologies, digital technologies
Jennifer Gabrys, Paula Tiara Torres, Pablo González Rivas   +2 more
wiley   +1 more source

Modelización de la distribución potencial de Gentianella weberbaueri (Gentianaceae) en Perú

Lilloa
Este estudio modela la distribución potencial de Gentianella weberbaueri, una especie endémica de los Andes peruanos, mediante algoritmos Boosted Regression Trees (BRT).
Victor Santos-Linares, Jehoshua Macedo-Bedoya   +1 more
doaj   +1 more source

Ecology of declining populations of gray foxes (Urocyon cinereoargenteus) in Indiana, USA Ecología de las poblaciones en declive de zorros grises (Urocyon cinereoargenteus) en Indiana, EE.UU.

Wildlife Monographs, EarlyView.
We estimated seasonal space use, cover selection, and resource selection; evaluated gene flow and potential genetic barriers; and assessed cause‐specific survival rates and reproduction of radiomarked gray foxes in Indiana, USA. Our results provide evidence that gray foxes in Indiana are an edge species with relatively large home ranges, relatively low
Tim L. Hiller, Julia A. Nawrocki, Brandon M. Bernhardt, Lane K. Jeakle, Dawn M. Reding, Geriann Albers   +5 more
wiley   +1 more source

Floristic Diversity and Distribution Pattern along an Altitudinal Gradient in the Central Andes: A Case Study of Cajatambo, Peru

Plants
Introduction: This study focuses on the central mountain region of the Peruvian Andes, particularly its western slopes, high-altitude areas, and inter-Andean valleys situated above 3000 m.a.s.l.
Yakov Quinteros-Gómez, Jehoshua Macedo-Bedoya, Victor Santos-Linares, Franco Angeles-Alvarez, Doris Gómez-Ticerán, José Campos-De la Cruz, Julio Solis Sarmiento, Abel Salinas-Inga, Zinnia Valencia-Saavedra   +8 more
doaj   +1 more source

Análisis de la Deserción de Estudiantes Universitarios usando Técnicas de Minería de Datos

, 2017
espanolSe realiza un estudio para determinar cuales son y cual es la importancia de las variables que llevan a un estudiante a abandonar sus estudios universitarios, usando tecnicas de mineria de datos.
M. A. Miranda, J. Guzmán
semanticscholar   +1 more source

From steps to home ranges: How habitat disturbance influences the movement drivers of an arboreal primate

Journal of Animal Ecology, EarlyView.
Challenging the narrative about howler monkeys' high resilience to anthropogenic changes, our multiscale analysis reveals the costs of habitat disturbance to their movement ecology. We identify thermal limitations, reduced travel efficiency, and significant spatial saturation.
Anaid Cárdenas‐Navarrete, Sarie Van Belle, Ulises Lara‐García, Manuel Guzmán‐Aguilar, Onja H. Razafindratsima   +4 more
wiley   +1 more source