Results 71 to 80 of about 5,742 (186)

Morphological, cytochemical and ultrastructural aspects of blood cells in freshwater stingray species in the middle Rio Negro basin of Amazonian Brazil. [PDF]

Sci Rep, 2021
de Oliveira AT, Lemos JRG, Santos MQC, Pantoja-Lima J, Aride PHR, Araújo MLG, Tavares-Dias M, Marcon JL.   +7 more
europepmc   +1 more source

Influência do rio Negro sobre o status nutricional de juvenis de curimatã Prochilodus nigricans (Characiformes; Prochilodontidae) no médio rio Solimões-Amazonas, Brasil Influence of river Negro on nutritional status of curimatã Prochilodus nigricans (Characiformes; Prochilodontidae) juveniles in the middle river Solimões-Amazonas, Brazil

Acta Amazonica, 2013
As diferenças limnológicas entre as águas pretas do rio Negro e as águas brancas do rio Solimões-Amazonas podem ter influência sobre o status nutricional de peixes detritívoros pela diferença nas fontes dos recursos alimentares entre estes sistemas. Para
Carlos Eduardo Mounic-Silva, Rosseval Galdino Leite   +1 more
doaj  

A contribution to the chemical characterization of rivers in the Rio Negro Basin, Brazil

Journal of the Brazilian Chemical Society, 2000
Water samples were collected in Middle Amazonia from the Amazon River, Rio Negro and 17 tributaries of Rio Negro. The analyses consisted of pH, conductivity, and dissolved organic (DOC) measurements, as well as plasma source mass spectrometry (ICP-MS ...
Küchler Ivo L., Miekeley Norbert, Forsberg Bruce R.   +2 more
doaj  

Characteristics of organic matter in the mixing zone of the Rio Negro and Rio Solimões of the Amazon River

Hydrological Processes, 2003
AbstractThe nature and distribution of organic matter in the mixing zone of black (Rio Negro) and white (Rio Solimões) waters in the Amazon River was studied to understand the processes responsible for its transport and distribution. Water samples from 13 stations, including Rio Negro, Rio Solimões and Rio Madeira and ten stations downstream of the ...
/Moreira Turcq, Patricia, /Seyler, Patrick, /Guyot, Jean-Loup, Etcheber, H.   +3 more
openaire   +2 more sources

O negro no Rio Grande do Sul

Estudos Ibero-Americanos, 1995
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openaire   +6 more sources

EVOLUCIÓN Y SITUACIÓN ACTUAL DE LA FRUTICULTURA EN EL ALTO VALLE.

Boletín Geográfico, 1988
El espacio conocido como Alto Valle de Río Negro y Neuquén, se extiende a lo largo de los valles inferiores de los ríos Neuquén y Limay y del valle superior del Río Negro adoptando la forma de una horqueta rescotada.
Elba Kloster
doaj  

Look Upstream: Measurement for Innovation on the Upper Rio Negro of the Amazon Basin. [PDF]

Front Pediatr, 2020
Shaw K, da Silva RCO.
europepmc   +1 more source

Evolución y situación actual de la fruticultura en el Alto Valle.

Boletín Geográfico, 2015
El espacio conocido como Alto Valle de Río Negro y Neuquén, se extiende a lo largo de los valles inferiores de los ríos Neuquén y Limay y del valle superior del Río Negro adoptando la forma de una horqueta rescotada.
Elba Kloster
doaj  

Two new species of the Hypostomus cochliodon group (Siluriformes: Loricariidae) from the rio Negro basin in Brazil

Neotropical Ichthyology
Two new species of Hypostomus are described from the middle and upper rio Negro in Brazil. They are assigned to the Hypostomus cochliodon group (sensu Armbruster, 2003) by possessing few spoon-shaped teeth, and dentary angle averaging less than 80º ...
Pedro Hollanda Carvalho, Flávio C.T Lima, Cláudio H Zawadzki   +2 more
doaj   +1 more source

Indoor Dust as a Source of Virulent Strains of the Agents of Cryptococcosis in the Rio Negro Micro-Region of the Brazilian Amazon. [PDF]

Microorganisms, 2020
Brito-Santos F, Trilles L, Firacative C, Wanke B, Carvalho-Costa FA, Nishikawa MM, Campos JP, Junqueira ACV, Souza AC, Lazéra MDS, Meyer W.   +10 more
europepmc   +1 more source