Morphology and molecular characterization of Ceratomyxa sp. (Cnidaria, Myxosporea, Ceratomyxidae), infecting the gallbladder of Curimata cyprinoides (Characiformes: Curimatidae) in the lower Araguaia River, Brazil. [PDF]
Costa MJA +3 more
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Role of synthetic fertilizers on stable isotope ratios of particulate organic matter in the Godavari River. [PDF]
Krishna MS +5 more
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A new species of Peckoltia (Siluriformes, Loricariidae) from the rapids of the Rio Tocantins-Araguaia basin, Brazil. [PDF]
de Araújo FAA +3 more
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Comprehensive review of enhanced oil recovery strategies for heavy oil and bitumen reservoirs in various countries: Global perspectives, challenges, and solutions. [PDF]
Seidy-Esfahlan M +2 more
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Endemism and regionalization patterns of squamate reptiles in Amazonia. [PDF]
Ribeiro-Júnior MA +3 more
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Diversity and ecological relationships of Cestoda and Monogenoidea parasites of freshwater stingrays (Myliobatiformes, Potamotrygonidae), in the upper Paraná River, Brazil. [PDF]
Chagas JMA +4 more
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Sporotrichosis in the Orinoco river basin of Venezuela and Colombia
Mycopathologia, 1989Six cases of sporotrichosis from the Orinoco river basin of Venezuela and Colombia are described; two are of the localized cutaneous type and four are lymphocutaneous. Diagnosis was based on the patient's clinical history and mycological culture. Epidemiology and distinctive cultural habits of the patients are discussed in connection with disease ...
Luis Yarzabal
exaly +3 more sources
Abstract We report SHRIMP UPb ages of 49 zircons from a sand sample from the lower Orinoco River, Venezuela, and Nd model ages of the fine sediment load from the main river and tributaries. The UPb ages reflect individual magmatic or metamorphic events, the SmNd model ages reflect average crustal-residence ages of the sediment sources.
N T Arndt, S L Goldstein
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A new species of Tyttocharax (Characiformes: Characidae: Stevardiinae) from the Güejar river, Orinoco river Basin, Colombia [PDF]
A new Tyttocharax species from the Güejar River system, near the Macarena Mountains in Colombia is described. This is the first record for the genus from the Orinoco basin. The combination of the following characters distinguish Tyttocharax metae from its congeners: presence of bony hooks on the pectoral and caudal-fin rays; bony hooks on the anal-fin ...
Carlos García-Alzate +1 more
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