Results 21 to 30 of about 1,987 (177)

Validez diagnóstica de la escala de Alvarado en pacientes con dolor abdominal sugestivo de apendicitis, en un hospital de tercer nivel, del sur de Bogotá

open access: yesRevista U.D.C.A Actualidad & Divulgación Científica, 2017
El dolor abdominal agudo es uno de los síntomas por los que un paciente asiste al servicio de urgencias de cualquier hospital, a nivel mundial, representando entre un 5 y 10% del total de consultas, constituyéndose para el médico de urgencias y ...
Karen Viviana Peralta R   +2 more
doaj   +3 more sources

Potencial de mitigación del cambio climático de los ecosistemas forestales caducifolios en Costa Rica: modelos predictivos de biomasa y carbono

open access: yesCiencias Ambientales, 2019
La cobertura vegetal, principalmente los bosques, cumple un papel fundamental en la mitigación del cambio climático. Se calculó la biomasa y el carbono almacenado para bosques caducifolios, primarios y secundarios, en la región del Pacífico Norte de ...
William Fonseca-González   +2 more
doaj   +1 more source

Comprehensive framework for assessing and optimizing existing research networks

open access: yesConservation Biology, EarlyView.
Abstract Conservation, monitoring, and research networks, or collections of ecological research sites unified under a common mission of data collection or a research mission, are essential infrastructure for understanding large landscapes. However, most networks developed opportunistically over decades rather than through systematic design, creating ...
Alyson East   +2 more
wiley   +1 more source

On the Effectiveness of Hand Collection to Complement Baits When Studying Ant Vertical Stratification in Tropical Rainforests

open access: yesSociobiology, 2020
Choosing an appropriate sampling method to study ants is a key factor since distinct sampling methods can capture distinct ant fauna and, therefore, leading to bias in the interpretation and conclusion of the patterns observed.
Reuber Antoniazzi   +5 more
doaj   +1 more source

Elevational variation in heart mass and suppression of hypoxia‐induced right ventricle hypertrophy in Andean leaf‐eared mice (Phyllotis)

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend In lowland mammals that ascend to high elevation, hypoxia‐induced changes in the pulmonary circulation can give rise to hypoxic pulmonary hypertension (HPH) and associated right‐ventricle (RV) hypertrophy. Andean mice with broad elevational ranges have greater heart mass relative to body size at higher elevations, but they ...
Naim M. Bautista   +9 more
wiley   +1 more source

Comprehensive Analysis for the Evaluation of Torrential Floods and Slope Stability of River Channels: La China River Area (Colombia)

open access: yesJournal of Flood Risk Management, Volume 19, Issue 3, September 2026.
Colombia and other tropical regions face a very high threat from torrential floods, which have resulted in over 25,000 deaths in a single event. Unfortunately, there is no comprehensive assessment methodology to zone and determine the magnitude of these disasters; therefore, this research aims to help fill this gap.
Carlos A. Buenahora Ballesteros   +2 more
wiley   +1 more source

GASTRÓPODOS, BIVALVOS Y POLYPLACÓFOROS MARINOS del Parque Nacional Los Caimanes, Villa Clara, Cuba.

open access: yesRevista de Investigaciones Marinas, 2023
Sobre la base de colectas en diferentes regiones del Parque Nacional Los Caimanes, se confeccionó una lista de las especies de moluscos marinos que habitan esta área protegida.
Liliana O. Quesada Pérez   +1 more
doaj  

SOS Cocodrilo Tampico: First‐responder actions to human–crocodile interactions in Northeastern Mexico

open access: yesEcological Solutions and Evidence, Volume 7, Issue 3, July–September 2026.
Grupo S.O.S. Cocodrilo Tampico (GSOS‐T), a multi‐agency response team in Tampico, Mexico, documented four human–crocodile interactions with Crocodylus moreletii between 2021 and 2022—two fatal, two non‐fatal—revealing that homeless adults face the greatest risk.
César N. Cedillo‐Leal   +3 more
wiley   +1 more source

Flower Feeding and Reproductive Timing in Spix's Night Monkeys (Aotus vociferans): Evidence From Arboreal Camera Traps

open access: yesEcology and Evolution, Volume 16, Issue 7, July 2026.
This article provides new insights into the diet and reproductive biology of the Spix's night monkeys (Aotus vociferans). This evidence was collected using arboreal camera traps in a tropical mountain rainforest in Southern Ecuador, where documented information on this primate is rare.
Claudia Viganò   +7 more
wiley   +1 more source

Sostenibilidad de fincas productoras de frijol en municipios de la provincia Granma

open access: yesAgrisost
Contexto: En el cultivo del frijol se precisa implementar prácticas sostenibles efectivas, como el uso eficiente de insumos externos, prácticas agroecológicas, manejo y conservación del suelo, acompañado de la consolidación de cadenas de valor en que se
Luis Jesús Escalona Cruz   +7 more
doaj   +1 more source

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