Results 1 to 10 of about 34,146 (223)
Phylogeography and population genetic structure of the cardinal tetra (Paracheirodon axelrodi) in the Orinoco basin and Negro River (Amazon basin): evaluating connectivity and historical patterns of diversification [PDF]
PeerJ, 2023 The Neotropics contain one of the most diverse assemblages of freshwater fishes worldwide. Part of this diversity is shared between the Orinoco and Amazon basins.
Diana Sanchez-Bernal +4 more
doaj +3 more sources
Revealing patterns of endemism in the transatlantic family Chelodesmidae (Polydesmida: Diplopoda). [PDF]
CladisticsAbstract With fossil records dating back to the Silurian/Late Ordovician, millipedes stand out as one of the earliest terrestrial animal groups. Their limited vagility and high endemism make them valuable tools for formulating and testing biogeographic hypotheses, including those related to macro‐vicariance events.
Bouzan RS +4 more
europepmc +2 more sources
Surface Freshwater Storage Variations in the Orinoco Floodplains Using Multi-Satellite Observations [PDF]
Remote Sensing, 2014 Variations in surface water extent and storage are poorly characterized from regional to global scales. In this study, a multi-satellite approach is proposed to estimate the water stored in the floodplains of the Orinoco Basin at a monthly time-scale ...
Frédéric Frappart +8 more
doaj +6 more sources
A taxonomic review of the Neotropical electric fish Rhamphichthys (Gymnotiformes: Rhamphichthyidae) [PDF]
Neotropical Ichthyology, 2023 The species diversity and taxonomy of Rhamphichthys is reviewed and seven species are considered valid: Rhamphichthys apurensis from the Orinoco and Cuyuni river basins; R. drepanium from the Amazon and Orinoco river basins; R.
Tiago P. Carvalho, James S. Albert
doaj +1 more source
e-Phaïstos, 2021 La collection Patricia Phelps de Cisneros (CPPC) comprend la Collection Orinoco, entre autres. Celle-ci regroupe, outre des documents, des objets ethnographiques de la culture materielle de 12 groupes indigenes du bassin venezuelien de l’Orenoque. L’article analyse l’approche museographique de cette Collection et en particulier son association directe ...
openaire +1 more source
Biota Colombiana, 2022 The ichthyological collection of the Unillanos Natural History Museum (MHNU-I) is the first fish collection of the Colombian Orinoquia. The collection harbors 78 806 specimens in 3229 lots, collected between 2012 and 2019, representing 10 orders, 42 ...
Miguel Ángel Cortes Hernández +3 more
doaj +1 more source
Missing the point: re-evaluating the earliest lithic technology in the Middle Orinoco [PDF]
Royal Society Open Science, 2018 The Culebra site, located in close proximity to the Atures Rapids, is one of the very few open-air occupations in the entire Orinoco valley that is thought to date to the early Holocene. Following renewed excavations in this location, we characterize the
Philip Riris +2 more
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Historia Crítica, 2023 Objective/context: In France’s second half of the 19th century, magazines such as Le Tour du Monde and illustrated novels were used to promote geographical sciences and educational and political propaganda of the Third Republic and its economic interests
Natalia Lozada Mendieta +1 more
doaj +1 more source
Graellsia, 2020 La morfología y anatomía de las dos subespecies actuales de Inia geoffrensis (Blainville, 1817) son muy similares. Debido a esto varios investigadores han evaluado la validez taxonómica de éstas.
Israel Cañizales
doaj +1 more source
Biota Colombiana, 2021 We recorded the soundscape at four cattle ranches at the foothills of the Meta department, Colombia. We used eight acoustic recorders, four in silvopastoral systems and four in traditional cattle systems.
Andrea Morales Rozo +5 more
doaj +1 more source