Results 31 to 40 of about 1,267 (116)

Three New Species of Jainus (Monogenea: Dactylogyridae) Parasitizing Gills of Brazilian Freshwater Fishes Supported by Morphological and Molecular Data

open access: yesDiversity, 2023
The present study describes three new species of monogeneans parasitizing the gills of anostomid fishes from the Upper Paraná River basin, southeastern Brazil: Jainus beccus n. sp. and Jainus radixelongatus n. sp.
Priscilla de Oliveira Fadel Yamada   +6 more
doaj   +1 more source

Extraction of bixin from annatto seeds using supercritical carbon dioxide [PDF]

open access: yes, 2008
The solubility of 93% pure bixin in supercritical carbon dioxide (SC-CO2) and of the bixin present in annatto seeds (Bixa orellana L.) was measured. For the seeds, the measurements were made in a temperature range from 30 to 50ºC and pressure between 10 ...
CABRAL, F. A.   +3 more
core   +2 more sources

Efectos del herbicida Ron-do® sobre Cerodaphnia reticulata (Crustacea, Cladocera) y degradabilidad del glifosato (N-fosfometilglicina) en condiciones experimentales [PDF]

open access: yes, 2014
En Argentina la expansión de áreas sembradas con soja transgénica, produjo un incremento en el consumo de plaguicidas, principalmente del herbicida glifosato N-fosfometilglicina), con el consiguiente impacto sobre las aguas superficiales y su biota, el ...
Enrique, Susana Noemi   +5 more
core   +2 more sources

Austrodiplostomum compactum metacercariae (Digenea: Diplostomidae) in Schizodon intermedius (Characiformes: Anostomidae) from Jurumirim reservoir, Brazil

open access: yesRevista Brasileira de Parasitologia Veterinária, 2016
This study reports the occurrence of Austrodiplostomum compactum metacercariae in the freshwater fish Schizodon intermedius (ximborê/piava) from a Neotropical reservoir in the Paranapanema River, state of São Paulo, Brazil.
Igor Paiva Ramos   +6 more
doaj   +1 more source

Bioimpedância como ferramenta de análise da composição corporal de Piava, Leporinus obsutidens [PDF]

open access: yes, 2014
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Programa de Pós-Graduação em Aquicultura, Florianópolis, 2014.Dentre as técnicas utilizadas para avaliar a composição corporal de peixes, tornam-se ...
Arantes, Túlio Barbosa
core  

Simple description of generalized electromagnetic and gravitational hopfions

open access: yes, 2018
The generalization of electromagnetic and gravitational hopfions is performed in terms of a complex scalar field. New definition of topological charge for linearized gravity is given.
Jezierski, Jacek, Smołka, Tomasz
core   +1 more source

Comparison of two reference systems for biomarker data analysis in a freshwater biomonitoring context [PDF]

open access: yes, 2010
International audienceThe usefulness of fish biomarkers for freshwater biomonitoring is now well recognized, but they still pose several questions to ecotoxicology researchers.
Maillot-Marechal, Emmanuelle   +3 more
core   +3 more sources

Lista de los peces de la provincia de Corrientes [PDF]

open access: yes, 2017
Fil: Nadalin, Diego Oscar. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Zoología Vertebrados; ArgentinaFil: Protogino, Lucila Cristina. Universidad Nacional de La Plata.
López, Hugo Luis   +2 more
core  

Consequências da monocultura de braquiárias e da invasão de cambarazais e algodoais sobre a ictiofauna de alagados no Pantanal. [PDF]

open access: yes, 2012
As áreas inundáveis do Pantanal são importantes ambientes de alimentação, crescimento e desova para a ictiofauna. A vegetação das áreas inundáveis passa por fortes mudanças, em parte causadas por oscilações naturais do nível hidrológico, em parte ...
RESENDE, E. K. de, ROSA, F. R. da
core  

A new species of Jainus (Monogenea), gill parasite of Schizodon borellii (Characiformes, Anostomidae) from the upper Paraná river floodplain, Brazil = Uma nova espécie de Jainus (Monogenea), parasito de brânquias de Schizodon borellii (Characiformes, Anostomidae) da planície de inundação do alto rio Paraná, Brasil

open access: yesActa Scientiarum: Biological Sciences, 2011
Jainus piava n. sp. is described from the gills of Schizodon borellii (Boulenger, 1900) (Characiform), commonly named as piava from the upper Paraná River floodplain, Brazil.
Letícia Cucolo Karling   +3 more
doaj  

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