Results 1 to 10 of about 36,686 (173)

Captura de peces elasmobranquios provenientes de la pesca artesanal en las playas de Poneloya y las Peñitas, León, Nicaragua

open access: yesRevista Iberoamericana de Bioeconomía y Cambio Climàtico, 2021
El presente trabajo se centro en evaluar la composición de la captura, la diversidad de especies, abundancia relativa y estructura de tallas de tiburones y rayas capturados por la pesca artesanal en las playas de Poneloya y Las Peñitas. Se analizaron los
G. M. Hernandez-Fernandez   +3 more
doaj   +1 more source

Evaluation of staining techniques for the observation of growth bands in tropical elasmobranch vertebrae

open access: yesScientia Marina, 2020
The aim of this study was to assess the suitability of different vertebrae staining techniques for the visualization and counting of growth bands in tropical species of batoids (Narcine leoparda, Urotrygon aspidura, Hypanus longus, Potamotrygon ...
José G. Pérez-Rojas   +4 more
doaj   +1 more source

Root starches enriched with proteins and phenolics from Pachyrhizus ahipa roots as gluten‐free ingredients for baked goods [PDF]

open access: yes, 2020
Ahipa is a gluten-free starchy root, bearing phenolics and a protein content of ~9% db. Ahipa proteins are hydrosoluble, thus they are lost during starch extraction.
AOAC   +4 more
core   +1 more source

Primer registro del tiburón mako Isurus oxyrinchus (Lamniformes: Lamnidae) en la costa de La Media Guajira, Caribe colombiano

open access: yesLatin American Journal of Aquatic Research, 2014
Se registra la presencia del tiburón mako Isurus oxyrinchus, capturado por pescadores artesanales con palangre tiburonero frente a la costa de La Media Guajira. Constituye el primer registro de I.
Paola Palacios-Barreto   +3 more
doaj   +1 more source

Fishing effects on elasmobranchs from the Pacific Coast of Colombia

open access: yesUniversitas Scientiarum, 2016
During 1995, 2001, 2003, 2004 and 2007; we studied the temporal variation in the structure of the elasmobranch assemblage along the Colombian Pacific coast using: the community index of diversity, heterogeneity, equitability, species composition, average
Andrés Felipe Navia   +1 more
doaj   +1 more source

Cost-efficient modeling of antenna structures using Gradient Enhanced Kriging [PDF]

open access: yes, 2015
Reliable yet fast surrogate models are indispensable in the design of contemporary antenna structures. Data-driven models, e.g., based on Gaussian Processes or support-vector regression, offer sufficient flexibility and speed, however, their setup cost ...
Bekasiewicz, A   +5 more
core   +2 more sources

Estado de la recién creada colección científica de mandíbulas de elasmobranquios (Chordata: Elasmobranchii) de la Facultad de Estudios Superiores Iztacala, UNAM

open access: yesRevista Biológico Agropecuaria Tuxpan, 2016
Las mandíbulas son una herramienta importante para el estudio de los elasmobranquios, tanto fósiles como actuales, las cuales difieren entre especies por su tamaño, la forma y número de dientes. Dada su relevancia, en  la presente contribución  se hace  
Gerardo Urbán Minutti   +1 more
doaj   +1 more source

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