Results 121 to 130 of about 185,055 (237)

A new endemic pearl cichlid of the ‘Geophagus’ brasiliensis (Cichliformes: Cichlidae) species group from the Piranga River, upper Doce River basin, southeastern Brazil

open access: yesJournal of Fish Biology, EarlyView.
Abstract A new species of pearl cichlid of the ‘Geophagus’ brasiliensis species group, endemic to the Piranga River, a major tributary of the upper Doce River basin in the state of Minas Gerais, southeastern Brazil, is herein described. The new species is delimited using an integrative approach, with molecular‐based species delimitation methods coupled
Cidimar E. de Assis   +7 more
wiley   +1 more source

Unravelling the skin of the nurse shark: A morphological description of the placoid scales of Ginglymostoma cirratum

open access: yesJournal of Fish Biology, EarlyView.
Abstract Ginglymostoma cirratum, commonly known as the nurse shark, is a nocturnally active benthic shark, often found in western and eastern Atlantic waters. Although this shark has been well explored in many biological aspects, few studies have thoroughly examined the morphology of its dermal denticles (or placoid scales).
Danilo P. Lima   +7 more
wiley   +1 more source

Factores asociados a la desnutrición crónica infantil en menores de 5 años en el Ecuador: Una revisión sistemática.

open access: yes, 2022
RESUMEN Los factores asociados a la Desnutrición Crónica Infantil, son distintos elementos que hacen parte del entorno próximo en el que se desenvuelve el infante e inciden para que los productos y/o sustancias que ingiere, no solventen sus ...
Chimborazo Bermeo, Mónica Alexandra
core  

A new catfish species of Microcambeva Costa & Bockmann, 1994 (Siluriformes: Trichomycteridae) from southern Brazil, with a redescription of M. ribeirae Costa, Lima & Bizerril, 2004

open access: yesJournal of Fish Biology, EarlyView.
Abstract Among the few species of Microcambeva reported as occurring in more than one hydrographic basin, M. ribeirae has been previously listed from both the Ribeira de Iguape and the Guaraqueçaba basins. However, morphological and molecular analyses revealed that the specimens from Guaraqueçaba represent a new species, which is described in this ...
Lucas S. de Medeiros   +6 more
wiley   +1 more source

Eficacia de las estrategias aplicadas en la disminución del síndrome de burnout en el personal de enfermería: Una revisión sistemática

open access: yes, 2022
Resumen Introducción: La planificación familiar constituye el derecho que todo ser humano posee para decidir cuándo y cuántos hijos desean tener en un tiempo determinado. Igualmente permite la prevención de posibles infecciones de transmisión sexual.
Paguay Gomezcoello, Karla Johanna
core  

A new Hyphessobrycon (Characiformes: Acestrorhamphidae) of the Hyphessobrycon agulha lineage of Hyphessobryconinae from the lower Aripuanã basin, Brazil, with comments about the lineage

open access: yesJournal of Fish Biology, EarlyView.
Abstract A new species of Hyphessobrycon is described from a tributary of Rio Jatuarana, lower Rio Aripuanã basin, Rio Madeira basin, Apuí, Amazonas. The new species is part of the Hyphessobrycon agulha lineage, with the typical midlateral narrow black stripe immediately followed dorsally by an iridescent stripe.
Tiago C. Faria   +3 more
wiley   +1 more source

Integrative taxonomy reveals two new species of whiptail catfishes Loricaria (Siluriformes: Loricariidae) from northeastern Brazil

open access: yesJournal of Fish Biology, EarlyView.
Abstract Two new species of whiptail catfish, Loricaria (Siluriformes: Loricariidae), were discovered in the Munim and Itapecuru river basins, Maranhão State, northeastern Brazil, through an integrative taxonomic approach combining morphology and mitochondrial DNA.
Ananda. C. Serejo‐Saraiva   +4 more
wiley   +1 more source

PLANTAS ANEMÓFILAS DE LA REGIÓN DE BAHÍA BLANCA Y SU RELACIÓN CON LA POLINOSIS

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2010
This work deals with identification and registration of the flowering period of plants known or suspected of causing pollinosis in Bahía Blanca city and surrounding area. Firstly 21 species were selected for study, and pollen was collected. This material
Estela Aramayo   +3 more
doaj  

Sistemática para estruturação de um sistema de medição do desempenho hierarquizado em empresas com parceria entre cliente e fornecedor [PDF]

open access: yes, 2006
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia de Produção.O presente trabalho destina-se ao estudo e levantamento dos parâmetros fundamentais para o desenvolvimento de um sistema de
Silva, Elizabete Ribeiro Sanches da
core  

Prospects of multipurpose biomonitoring for fisheries assessment based on environmental nucleic acids

open access: yesJournal of Fish Biology, EarlyView.
Abstract Methods using environmental nucleic acids have become highly effective for monitoring aquatic biodiversity, with an array of suitable use cases, including metrics for fisheries assessment. Traditional methods for assessing fish populations often rely on invasive techniques with limited spatial and temporal coverage.
Ana Ramón‐Laca   +6 more
wiley   +1 more source

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