Results 11 to 20 of about 1,651,917 (208)
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
Orinoco River Basin Report Card 2016
This report card provides a transparent, timely, and geographically detailed assessment of the Orinoco River Basin. In 2016, the report card includes eleven indicators in the categories of Biodiversity, Management & Governance, Ecosystems & ...
Fries, Alexandra +2 more
core +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
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
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 barred Sternopygus (Gymnotiformes: Sternopygidae) from the Orinoco River
A new species of Sternopygus is described from the Orinoco River of Venezuela using traditional methods of morphometrics and meristics, and micro-computed tomography (micro-CT) imaging for osteological analysis.
Kevin T. Torgersen +3 more
doaj +1 more source
First record of Arapaima gigas (Schinz, 1822) (Teleostei: Osteoglossomorpha), the “pirarucu”, in the upper Paraná River basin, Southeast Brazil [PDF]
Arapaima gigas (Schinz), the “pirarucu”, is one of largest freshwater fish of the Neotropical region, naturally occurring in the Amazon, Essequibo, and Orinoco river basins.
Fernando Carvalho +3 more
doaj +3 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

