Diversity, multilingualism and inter-ethnic relations in the long-term history of the Upper Rio Negro region of the Amazon
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DOI: 10.1098/rsfs.2022.0050
Abstract: The Upper Rio Negro regional social system is made up of more than 30 languages belonging to six linguistic families. This results from socio-historical processes stretching back at least two millennia, which have built a… read more here.
Keywords: inter ethnic; ethnic relations; diversity; rio negro ... See more keywords
Moenkhausia restricta, a new species from the upper Rio Negro, Amazon basin, northwestern Brazil (Characiformes: Characidae).
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DOI: 10.11646/zootaxa.4700.4.7
Abstract: A new shallow-bodied species of Moenkhausia is described from the upper Rio Negro, Amazon basin, Brazil. The new species is diagnosed from all congeners by the combination of a body depth not surpassing 33% in… read more here.
Keywords: upper rio; new species; rio negro; amazon basin ... See more keywords
Bunocephalus hertzi, a new banjo catfish from the upper Rio Paraná basin, Brazil (Siluriformes: Aspredinidae), with the redescription of Bunocephalus larai Ihering, 1930.
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DOI: 10.11646/zootaxa.4742.1.6
Abstract: Bunocephalus hertzi, new species, is described from two tributaries of the upper Rio Paraná basin. Because the type series of B. larai (the only other species of Bunocephalus in the basin) is lost, a redescription… read more here.
Keywords: upper rio; larai; bunocephalus hertzi; basin ... See more keywords
Identification key and pictures of the Hypostomus Lacépède, 1803 (Siluriformes, Loricariidae) from the rio Ivaí, upper rio Paraná basin
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DOI: 10.15560/14.2.393
Abstract: The rio Ivaí flows through the left margin of the upper rio Paraná basin with 798 km of extension, being one of its largest tributaries. In this study, we analyzed 586 specimens of Hypostomus Lacépède,… read more here.
Keywords: upper rio; rio iva; rio; basin ... See more keywords
Strong differentiation between amphibian communities on two adjacent mountains in the Upper Rio Pastaza watershed of Ecuador, with descriptions of two new species of terrestrial frogs.
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DOI: 10.3897/zookeys.1081.71488
Abstract: We present the results of herpetological surveys in two adjacent mountains where the EcoMinga Foundation protects the cloud forest in the Upper Rio Pastaza watershed, in the Llanganates Sangay Ecological Corridor in Ecuador. A rapid… read more here.
Keywords: terrestrial frogs; amphibian communities; rio pastaza; pastaza watershed ... See more keywords