Results 81 to 90 of about 31,597 (268)

Description of five new species of Acestrocephalus Eigenmann and redescription of A. sardina and A. boehlkei (Characiformes: Characidae)

open access: yesNeotropical Ichthyology
Acestrocephalus maculosus, A. stigmatus, A. nigrifasciatus, A. acutus, and A. pallidus are described as new species and A. sardina and A. boehlkei are redescribed. Acestrocephalus ginesi is considered synonymous with A. sardina.
Naércio A. Menezes
doaj   +1 more source

Edad y crecimiento de la sardina escamuda Harengula jaguana mediante la lectura de anillos de crecimiento en otolitos

open access: yesEcosistemas y Recursos Agropecuarios, 2014
209 pares de otolitos fueron analizados para determinar la edad y crecimiento de la sardina escumuda (Harengula jaguana). Para obtener el articulo completo pueden contactar al Editor de la Revista Ecosistemas y Recursos Agropecuarios en el siguiente ...
Claudia O. Leonce Valencia
doaj   +1 more source

Perspectives on Systematic Cloud Microphysics Scheme Development With Machine Learning

open access: yesJournal of Advances in Modeling Earth Systems, Volume 18, Issue 1, January 2026.
Abstract Cloud microphysics—the collection of processes that govern the small‐scale formation, evolution, and interactions of liquid droplets and ice crystals in clouds and precipitation—remains a major source of uncertainty in weather and climate models.
Kara D. Lamb   +9 more
wiley   +1 more source

UAV‐based remote sensing of bee nesting aggregations with computer vision for object detection

open access: yesJournal of Applied Ecology, Volume 63, Issue 1, January 2026.
Our novel application of UAV imagery and object detection models for mapping and censusing ground nesting bee aggregations represents a rapid, cost‐effective solution for overcoming limitations in traditional manual methods. This workflow has applications for bee conservation, management and research such as monitoring bee nesting populations before ...
Tobias G. Mueller, Mark A. Buckner
wiley   +1 more source

Clasificación acústica de anchoveta (Engraulis ringens) y sardina común (Strangomera bentincki) mediante máquinas de vectores soporte en la zona centro-sur de Chile: efecto de la calibración de los parámetros en la matriz de confusión Acoustic classification of anchovy (Engraulis ringens) and sardine (Strangomera bentincki) using support vector machines in central-southern Chile: effect of parameter calibration on the confusion matrix

open access: yesLatin American Journal of Aquatic Research, 2012
Se clasificó la anchoveta (Engraulis ringens) y sardina común (Strangomera bentincki) detectadas mediante equipos acústicos en la zona centro-sur de Chile, mediante el método de Máquinas de Vectores Soporte (SVM).
Hugo Robotham   +3 more
doaj  

Aplicación de dos nuevos indices numéricos a la ecología alimienticia de tres Clupeiformes del Golfo de California

open access: yesEcosistemas y Recursos Agropecuarios, 2014
Se analizan los contenidos estomacales de tres especies de pelágicos menores: sardina monterrey (Centengraulis mysticetus), mediante la aplicación de dos nuevos índices, Para obtener el articulo completo pueden contactar al Editor de la Revista ...
Raúl E. Molina, Fernando A. Manrique
doaj   +1 more source

Suitability of borago officinalis for minimal processing as fresh-cut produce [PDF]

open access: yes, 2019
Borage (Borago offcinalis L.) is a wild vegetable appreciated as a folk medicine and for culinary preparations. The introduction of borage as a specialized cultivation would allow for the diversification of vegetable crops and would widen the offerings ...
D'Anna F.   +4 more
core   +1 more source

Cambios en la composición de los ácidos grasos de la pulpa de sardina (Sardinella aurita) lavada con una solución de bicarbonato de sodio al 0,5%

open access: yesRevista Científica, 2010
Los cambios en los lípidos del pescado son un parámetro muy importante a estudiar, pues sus ácidos grasos son altamente insaturados, haciéndose susceptibles al ataque por el oxígeno, produciendo rancidez y reduciendo el período de almacenamiento y ...
Marinela Barrero, Rafael Bello
doaj  

Tissue effect on RNA:DNA ratios of marine fish larvae

open access: yesScientia Marina, 2009
In some routine studies of larval condition based on RNA:DNA ratios, heads and/or guts are removed for further age and feeding analysis. Also, during capture larvae are often found with their eyes missing. In this work we analysed tissues effects (muscle,
M. Pilar Olivar   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy