Results 11 to 20 of about 755 (165)
Home range and movements of Amazon river dolphins Inia geoffrensis in the Amazon and Orinoco river basins [PDF]
Studying the variables that describe the spatial ecology of threatened species allows us to identify and prioritize areas that are critical for species conservation.
F Mosquera-Guerra +14 more
doaj +2 more sources
Currently, only 20 fish species have been recorded from the Casanare River, which is one of the main tributaries of the Meta River drainage. To characterize the fish assemblages of this river, samplings were carried out at 35 collecting stations in low ...
Jhon Zamudio +4 more
doaj +2 more sources
Fishes of the Tomo river, Orinoco basin, Colombia
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Javier Alejandro Maldonado-Ocampo +7 more
doaj +2 more sources
Linking planetary boundaries and ecosystem accounting, with an illustration for the Colombian Orinoco river basin. [PDF]
Economic development has increased pressures on natural resources during the last decades. The concept of planetary boundaries has been developed to propose limits on human activities based on earth processes and ecological thresholds. However, this concept was not developed to downscale planetary boundaries to sub-global level.
Vargas L, Willemen L, Hein L.
europepmc +6 more sources
In order to provide information on the composition and richness of fish in the Colombian Orinoco piedmont (Tauramena - Casanare), collections were made every two months (June 2012 - February 2013), and standardized (arts-length-time), for six streams and
Alexander Urbano-Bonilla +4 more
doaj +2 more sources
A new species of Hyphessobrycon (Characiformes, Characidae) from the upper Guaviare River, Orinoco River Basin, Colombia. [PDF]
Hyphessobrycon klausannisp. n. is described from small drainages of the upper Guaviare River (Orinoco River Basin) in Colombia. It differs from all congeners by having a wide, conspicuous, dark lateral stripe extending from the anterior margin of the eye across the body and continued through the middle caudal-fin rays, and that covers (vertically ...
García-Alzate CA +2 more
europepmc +5 more sources
Biomass burning (BB) is a common activity in developing countries and has been identified as a serious air pollution threat. The present work evaluates the air quality of the largest town in the extensive Colombian savannas (250,000 km2) for the first time, from measurements over three consecutive years (2017-2020).
Camila Rodríguez-Gómez +3 more
openaire +2 more sources
Hemibrycon guejarensis, new species, is described from the Güejar River, La Macarena mountain range, upper Guaviare River drainage, Colombia. The new species is distinguished from most cis-Andean congeners (H.
César Román-Valencia +2 more
doaj +1 more source
The investigation was carried out between November 2004 and August 2005, and was based on the rivers Teusaca, Idaza, La Laguna (Quebrada Blanca), del Salteador creek, Marlene creek (affluent of the del Salteador creek), Blanca creek (Mataredonda-Reserve)
Saúl Prada-Pedreros +2 more
doaj +8 more sources
A long-hidden species of Pimelodella (Siluriformes: Heptapteridae) from the upper and middle Orinoco, and western Amazon tributaries [PDF]
A new species of Pimelodella is described from the upper and middle basin of the Orinoco River, upper basin of Negro River, and upper basin of the Apaporis River.
Miguel Ángel Cortés-Hernández +4 more
doaj +1 more source

