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Evidence of a population of leaf-eared mice Phyllotis vaccarum above 6,000 m in the Andes and a survey of high-elevation...

Published in Journal of mammalogy

Durante mucho tiempo los biólogos han reflexionado sobre los límites extremos de altura a la que las especies pueden vivir y reproducirse. Aquí presentamos nueva evidencia sobre la existencia de una población de ratones establecida a una elevación que supera todos los reports previos para mamíferos. Durante 10 años fueron realizadas 5 expediciones ...

Índices fisiológicos de siete especies forrajeras en diferentes ambientes tropicales

Forages must constantly carry ou tadaptation processes to the different changes in environmental factors, which leads to their physiological variables being affected. The objective was to evaluate the physiological behavior of seven tropical forage species under different environmental conditions during 2019 in Palmira, Colombia. A randomizedcomple...

Communities of Lepidoptera along an elevational gradient in the Brazilian Atlantic Forest (Lepidoptera: Papilionoidea)

The diversity and composition of Lepidoptera communities vary along an elevational gradient, with richness and abundance generally decreasing as elevation increases. In Brazil, however, there is a lack of data on the topicand many elevation zones remain unexplored. This study aimed to examine the effect of elevation variation on therichness, freque...

Saturación de oxígeno en pacientes durante hemodiálisis a diferentes altitudes

Introduction: Patients undergoing hemodialysis may develop hypoxemia during the procedure, and hypoxemia may become more intense if hemodialysis is performed in a high altitude environment. Objectives: To assess variations in oxygen saturation in patients undergoing hemodialysis at different altitude levels. Material and methods: This is a prospect...

Efectos del entrenamiento de intervalos de alta intensidad en altitud simulada. Revisión sistemática

Introduction: Today, coaches are looking for ways to improve athletes' physical abilities through different training strategies, such as constant or intermittent exposure to altitude and high intensity interval training. Objective: To review the current literature and describe the effects on the body of simulated high-intensity interval training at...

Valores de referencia para las pruebas de Cooper y de 20m de ida y vuelta en población residente en altitud elevada

The aim of this study was to report the reference values for indirect VO2max obtained in the Cooper Run Test (CRT) and Shuttle Run Test (SRT-20m) in trained young population residing at high altitude, between 2600 and 3700 meters above sea level (masl). A total of 614 physically active subjects (118 women, 496 men; 20.2±2.3 years; 65.3±10.3 kg; 169...

Influencias climáticas, regionales y cantidad de cría en el comportamiento higiénico de Apis mellifera

The hygienic behavior of honeybees (Apis mellífera) is a mechanism highly influenced by genetic effects that confers resistance against diseases and parasites. The objective of this study was to determine whether climatic, regional and brood quantity influences are related to hygienic behavior in beehives in the state of Jalisco, Mexico. A total of...

Velocidad del sonido para alturas menores a la troposfera en Colombia para determinar la distancia de impacto de un rayo...

Objective: This paper aims to conduct a study of the speed of sound in Colombia for heights below the troposphere, taking into account the temperature as a function of altitude for a tropical zone, in order to determine the distance of lightning strike. Methodology: A speed of sound profile for Colombia was determined by analyzing data on altitude,...