Results 11 to 20 of about 2,665 (171)
A Systematic, Automated Approach for River Segmentation Tested on the Magdalena River (Colombia) and the Baker River (Chile) [PDF]
Water, 2020 This paper proposes a systematic procedure to identify river reaches from a geomorphic point of view. Their identification traditionally relies on a subjective synthesis of multi-dimensional information (e.g., changes of slope, changes of width of valley bottom).
Andrea Nardini +5 more
openaire +3 more sources
Espace populations sociétés, 2023 The Magdalena River basin is the main source of food in Colombia. 70% of agricultural output and 40% of inland fishing are produced in its basin. However, the River is facing a complex environmental crisis that affects both the fisheries and fishermen’s ...
Carolina Hernández-Rodríguez +2 more
doaj +1 more source
Development of microsatellite loci and population genetics of the catfish Pimelodus yuma (Siluriformes: Pimelodidae) [PDF]
Neotropical Ichthyology, 2021 Pimelodus yuma (formerly Pimelodus blochii) is a freshwater fish, endemic to the Colombian Magdalena-Cauca and Caribbean basins that experiences habitat disturbances resulting from anthropogenic activities.
Cristhian Danilo Joya +2 more
doaj +1 more source
Frontiers in Genetics, 2021 The Antillean manatee (Trichechus manatus) and the Amazonian manatee (Trichechus inunguis) are distributed in rivers in the Caribbean and Amazonian region of Colombia respectively.
Susana Caballero +8 more
doaj +1 more source
Range extension of the invasive fish Xiphophorus maculatus (Günther, 1866) (Cyprinodontiformes: Poeciliidae) in the upper Magdalena river basin, Colombia [PDF]
Check List, 2017 This study reports the expansion of the known distribution of the invasive fish Xiphophorus maculatus (Günther, 1866) into the upper Magdalena river basin.
Juan Albornoz-Garzón +1 more
doaj +3 more sources
Fish community turnover in a dammed Andean River over time [PDF]
Neotropical 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
Causes and consequences of recent degradation of the Magdalena River basin, Colombia
Limnology 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
Frontiers 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
Journal of Hydrology: Regional Studies, 2017 The Magdalena River is the most important river in Colombia in terms of economic activities and is home to about 77% of the country’s population. The river faces water resources allocation challenges, which require reliable hydrological assessments ...
Amr Elgamal +2 more
doaj +1 more source
Biota Colombiana, 2018 The first report of the Speckled Blunt-headed Tree Snake (Imantodes inornatus) is presented for the Magdalena River valley, from the departments of Antioquia, Bolívar, Boyacá and Caldas in Colombia.
Román F. Díaz-Ayala +3 more
doaj +1 more source