Results 11 to 20 of about 28,306 (248)

Road Traffic Noise on the Santa Marta City Tourist Route

open access: yesApplied Sciences, 2021
The objective of this study was to determine the influence of vehicular traffic on the environmental noise levels of the Santa Marta City tourist route on the Colombian coast.
Dámaris A. Jiménez-Uribe   +3 more
doaj   +1 more source

Contribution to a reference library of DNA barcodes of Colombian freshwater fishes [PDF]

open access: yesBiodiversity Data Journal, 2022
The Barcode of Life initiative was originally motivated by the large number of species, taxonomic difficulties and the limited number of expert taxonomists.
Manuela Mejía-Estrada   +3 more
doaj   +3 more sources

Association between violence and anxiety and depression problems in women living in the Magdalena region, Colombia

open access: yesEuropean Psychiatry, 2023
Introduction Violence against women constitutes a social and health problem, exploring the impact that this can generate on mental health is an indispensable resource for the development of intervention and prevention strategies, primarily in one of the
K. Múnera-Luque   +1 more
doaj   +1 more source

Fish community turnover in a dammed Andean River over time [PDF]

open access: yesNeotropical Ichthyology, 2022
We describe the change in the fish community of the Porce River in Magdalena River Basin, Colombia, following the construction of the Porce III hydropower reservoir based on 13 years of monitoring data. The results show a clear reduction of the number of
Daniel Valencia-Rodríguez   +5 more
doaj   +1 more source

Influence of vehicular traffic on environmental noise spectrum in the tourist route of Santa Marta City

open access: yesEnergy Reports, 2020
Transportation demands large amounts of fuel. In particular, road transport greatly contributes to both criteria air pollutants and noise within cities.
D.A. Jiménez-Uribe   +3 more
doaj   +1 more source

A socio-ecological assessment of land-based contamination and pollution: The Magdalena delta, Colombia

open access: yesFrontiers in Marine Science, 2022
River mouth systems, such as estuaries and deltas are important earth system transitional zones linking the land and coastal marine systems. They funnel anthropogenic contaminants and pollutants from the activities in the river catchment into the marine ...
David Gallo-Vélez   +3 more
doaj   +1 more source

Causes and consequences of recent degradation of the Magdalena River basin, Colombia

open access: yesLimnology and Oceanography Letters, 2022
The Magdalena River in Colombia is one of the world's largest (discharge = 7100 m3 s−1) tropical rivers, hosting > 170 aquatic vertebrate species. However, concise synthesis of the current ecological and environmental status is lacking.
Jorge Salgado   +8 more
doaj   +1 more source

Role of a campesine reserve zone in the Magdalena Valley (Colombia) in the conservation of endangered tropical rainforests

open access: yesNature Conservation Research: Заповедная наука, 2023
Tropical forests of Colombia have one of the highest deforestation rates in the world. The humid forest of the Magdalena valley region is one of the ecosystems with the highest risk of landscape transformation, despite being home to many endemic and ...
Natalia Trujillo-Arias   +2 more
doaj   +1 more source

Factory acceptance of the automated alignment system for the Magdalena Ridge Observatory Interferometer

open access: yesOptical and Infrared Interferometry and Imaging VIII, 2022
The Magdalena Ridge Observatory Interferometer (MROI) will soon incorporate an Automated Alignment System (AAS) to help limit visibility losses due to beam misalignment to ~1%. This paper focuses on two key AAS components: (1) a dual-wavelength beacon at each unit telescope and (2) a detector for measuring the shear and tilt of beams of light arriving ...
Luis, James JD   +6 more
openaire   +2 more sources

Silvopastoral systems and ecological connectivity in a grazing landscape of the Magdalena Medio region, Colombia

open access: yesRevista Agroecossistemas, 2022
Este artigo resume um esforço colaborativo de seis anos durante o qual o CIPAV e pecuaristas da cidade de Riberas del San Juan (Cimitarra, Santander) projetaram e implementaram sistemas silvipastoris e agroflorestais com o objetivo de melhorar a produtividade pecuária e gerar condições adequadas para a conservação da biodiversidade e serviços ...
Carvajal, Mauricio   +2 more
openaire   +2 more sources

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