Results 41 to 50 of about 154,855 (300)
Valoración económica por servicios recreativos del río Hacha en el piedemonte amazónico colombiano
El río Hacha ubicado en Florencia-Caquetá, Colombia, abastece agua para el consumo humano y proporciona otros servicios ecosistémicos. Las actividades antrópicas han generado una presión en este recurso natural. Se realizó una valoración económica de la
Yelly Yamparli Pardo-Rozo +2 more
doaj
Este artículo es producto de una investigación cuyo objetivo fue el de apoyar al docente de matemáticas con orientaciones didácticas para promover el desarrollo de las competencias matemáticas de los estudiantes. En el trabajo investigativo se utilizó la
Bernardo García-Quiroga +2 more
doaj +1 more source
Sampling design may obscure species–area relationships in landscape-scale field studies [PDF]
We investigated 1) the role of area per se in explaining anuran species richness on reservoir forest islands, after controlling for several confounding factors.
Bueno, Anderson Saldanha +3 more
core +1 more source
Heat and Cold Waves in Brazil: An ERA5‐Based Analysis of Trends and Seasonality (1980–2024)
This study uses ERA5 reanalysis data to assess changes in extreme heat and cold events across Brazil from 1980 to 2024. Results reveal a sharp increase in heatwave frequency and a general decline in coldwave occurrences, though regional variations are substantial.
Alindomar Lacerda Silva, Scott Sheridan
wiley +1 more source
Efficient plot-based floristic assessment of tropical forests [PDF]
The tropical flora remains chronically understudied and the lack of floristic understanding hampers ecological research and its application for large-scale conservation planning.
Chuspe Zans, M. +9 more
core +1 more source
Seasonal Variability of Precipitating Systems in Four Radar Domains of Northeast Brazil
This study analyzes the climatology and evaluates how the physical aspects of precipitating systems are influenced by the dry and wet seasons in Northeast Brazil, highlighting seasonal variations in the frequency, size, intensity, and duration of these systems in the regions of Natal, Maceió, Petrolina, and Salvador.
Amanda Carolina da Silva Queiroz +1 more
wiley +1 more source
Development of forest structure and leaf area in secondary forests regenerating on abandoned pastures in Central Amazonia [PDF]
The area of secondary forest (SF) regenerating from pastures is increasing in the Amazon basin; however, the return of forest and canopy structure following abandonment is not well understood. This study examined the development of leaf area index (LAI),
Aide +55 more
core +1 more source
Sunshine Duration in Brazil From Meteosat (1983–2020): Climatology, Variability and Long‐Term Trends
Using nearly four decades of Meteosat satellite data (1983–2020), this study presents a country‐wide climatology of sunshine duration (SDU) in Brazil. The results reveal marked regional contrasts, dominant modes of variability, and significant long‐term trends, providing new information on the most relevant meteorological systems that influence SDU and
Maria Lívia Lins Mattos Gava +2 more
wiley +1 more source
ESTUDIO DE CASO DE UNA PERITONITIS ASOCIADA A OBLITO ACOMPAÑADA DE PIOMETRA
El caso presenta a un paciente canino hembra de aproximadamente un año y medio de edad, que llega a consulta a la Clínica para Pequeños Animales de la Universidad de la Amazonía con signos de dolor abdominal.
Andrea Carolina Rojas Méndez +5 more
doaj
Las políticas para el fortalecimiento de la educación superior, usualmente han estado dirigidas a aumentar la capacidad de cobertura de cada uno de los programas académicos, lo que se ha venido logrando paulatinamente. Sin embargo, la situación parece no
Verenice S +2 more
doaj +1 more source

