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Browsing by Subject "Aquaculture"

Now showing items 1-20 of 35

Acoustical estimation of fish biomass: species identification and stocks management

Espinosa Roselló, Víctor; Calise, Lucio; Estruch, V. D.; Llorens Escrich, Susana; Ordoñez Cebrián, Patricia; Pérez Arjona, Isabel; Puig Pons, Vicente; Soliveres, Ester (Associazione Italiana di Acustica, 2015)

[EN] Acoustics is the basics of the most important technologies for underwater telecommunication, as well as for target detection and identification in the aquatic media. Multiple frequency measurements are the key for ...
Análisis bioeconómico del cultivo de dorada en Canarias y en el Mediterráneo

Gasca-Leyva, Eucario; León, Carmelo; Hernández, Juan María; Vergara, José Manuel (Universitat Politècnica de València, 2001)

[EN] Aquaculture is an expanding industry, which represents an altemative to the limited fishing resources. This paper develops a bioeconomic model for the production of gilthead seabream, a species with large market ...
Aplicación de técnicas estadísticas para análisis del índice de salud de la Tilapia en Mozambique

Mulema, Sérgio Afonso (2016-04-15)

[EN] The work is the result of a research at Aquaquel company, located in Inhagome district in Mozambique. This was to examine the health status of tilapia through the variability of phisico-chemical parameters by statistics ...
Aquaculture stakeholders role in fisheries co-management

Martínez Novo, Rodrigo; Lizcano-Fernández, Emmánuel; Herrera Racionero, Paloma; Miret Pastor, Luis Gaspar (Elsevier, 2017)

[EN] Industrial aquaculture has become one of the main protagonists both on the coasts and in international policy aimed at regulating matters concerning the sea. This new role is reflected in the recently adopted Common ...
Biomass estimation of bluefin tuna in sea cages by the combined use of acoustic and optical techniques

Puig Pons, Vicente; Espinosa Roselló, Víctor; Soliveres González, Ester; Ortega, Aurelio; Belmonte, Antonio; De la Gandara Garcia, Fernando (International Commission for the Conservation of Atlantic Tunas (ICCAT), 2012)

[EN] In this paper, an experimental setup to estimate the biomass of caged bluefin tuna (Thunnus thynnus) in the Spanish Mediterranean coast is presented. Aims are to monitor individual tuna during all stages of growth, ...
Desarrollo de un sensor de salinidad de bajo coste para piscifactorias

Parra Boronat, Lorena (2015-09-18)

[EN[ The control of physicochemical parameters is needed in the fish farms. This control can suppose several improvements in their production from an economical and operational point of view. Wireless sensor networks are ...
Design and Deployment of Low-Cost Sensors for Monitoring the Water Quality and Fish Behavior in Aquaculture Tanks during the Feeding Process

Parra-Boronat, Lorena; Sendra, Sandra; García-García, Laura; Lloret, Jaime (MDPI AG, 2018)

[EN] The monitoring of farming processes can optimize the use of resources and improve its sustainability and profitability. In fish farms, the water quality, tank environment, and fish behavior must be monitored. Wireless ...
Detection and target strength measurements of uneaten feed pellets with a single beam echosounder

Llorens-Escrich, Susana; Pérez Arjona, Isabel; Soliveres, Ester; Espinosa Roselló, Víctor (Elsevier, 2017)

[EN] The possibility of detecting uneaten food pellets in aquaculture floating cages using a scientific single beam echosounder is demonstrated. The applied methodology is based in a basic scheme with the ultrasonic beam ...
Efecto de la composición de los piensos sobre la calidad y vida útil de seriola (Seriola dumerili)

Marín Lora, Cristina (2016-10-14)

[ES] El aumento en las demandas de aceite de pescado para la formulación de piensos en acuicultura, unido a la disminución de la oferta de los mismos, ha provocado un aumento en los precios, que conlleva la necesidad de ...
Efecto de la dieta sobre la respuesta intestinal a un reto bacteriano en dorada (Sparus aurata, L.): Ensayo in vitro.

Trujillo Martínez, Irene (2018-09-18)

[ES] El creciente coste y limitada disponibilidad de la harina de pescado empleada en las formulaciones de los piensos acuícolas, ha promovido la necesidad de buscar nuevas estrategias, en relación a la dieta de los ...
Efecto de la sustitución total del aceite de pescado en el análisis sensorial de la seriola mediterránea

Sanchis Jaén, Iván (2019-07-22)

[ES] El descenso en la fabricación de las principales materias primas que se utilizan en la acuicultura, principalmente la harina y el aceite de pescado, junto con el auge de esta actividad en la actualidad, son los ...
Efectos de la parasitación de Diplectanum en lubinas alimentadas con bajos niveles de harina de pescado.

Soler Segovia, David (2019-09-03)

[ES] La importancia del pescado como fuente proteica en la dieta humana ha ido aumentando en función del desarrollo de la acuicultura. No obstante, con la intensificación de esta actividad se han incrementado también los ...
El programa de vigilancia ambiental de piscifactorias en jaulas flotantes

Martí Martínez, Esther; Martí Insa, Carmen Mª; Martínez Guijarro, Mª Remedios; Pachés Giner, María Aguas Vivas; Falco Giaccaglia, Silvia Laura (Instituto Espanol de Oceanografia, 2005)

Se ha analizado el programa de vigilancia ambiental (PVA) de cuatro piscifactorías marinas situadas en el Mediterráneo occidental con el fin de evaluar su grado de idoneidad para detectar posibles impactos en el medio ...
Environmental effects of a marine fish farm of gilthead seabream (Sparus aurata) in the NW Mediterranean Sea on water column and sediment

Morata Higón, Tania; Falco Giaccaglia, Silvia Laura; Gadea, Isabel; Sospedra Ciscar, Javier; Rodilla Alamá, Miguel (Wiley, 2013-03-11)

This study examined the effects of organic enrichment on water column, sediments and macrofauna caused by a fish farm in the Mediterranean Sea. Samples were collected on four sampling campaigns over a one-year cycle. ...
Estudio de la inclusión de aditivos en piensos con altas sustituciones de harina de pescado para trucha. Efecto en la salud intestinal.

Jerusalén Lleó, Ester (2017-10-23)

[EN] Based on projected population growth over the next few decades, the aquaculture sector has become necessary in order to provide for the population's protein requirements, since most of the fishing grounds are currently ...
Evolución de la calidad del agua en un sistema BFT de un cultivo de Marsupenaeus japonicus

Varas Vicente, Araceli (2015-11-12)

En los últimos años se han desarrollado nuevas tecnologías acuícolas que pretenden reducir, e incluso evitar, el recambio de agua durante grandes periodos de tiempo, uno de estos son los sistemas de bioflóculos (BFT). ...
Heterozygosity-fitness correlations in the gilthead sea bream Sparus aurata using microsatellite loci from unknown and gene-rich genomic locations

Borrell, Yaisel J.; Carleos, Carlos E.; Sanchez, José A.; Vázquez, Emilia; Gallego Albiach, Victor; Asturiano Nemesio, Juan Francisco; Blanco, Gloria (Wiley, 2011-11)

[EN] Heterozygosity-fitness correlations (HFC) were assessed for a sample of a gilthead sea bream Sparus aurata population. Two hundred and seventy-one fish were genotyped at 22 known and novel microsatellite loci, from ...
Horizontal target strength-size conversion equations for sea bass and gilt-head bream

Rodríguez-Sánchez, V.; Rodríguez-Ruiz, A.; Pérez Arjona, Isabel; Encina-Encina, L. (Elsevier, 2018-03)

[EN] Horizontal hydroacoustics is a technique of remote fish detection that has proved to efficiently determine fish density and biomass in shallow or superficial waters. This non-intrusive technique could render better ...
Implementación de sistemas de control borroso en actividades académicas dirigidas en las Escuelas de Ingeniería

Pulido Calvo, Inmaculada; Gutiérrez-Estrada, Juan Carlos; Martí, Pau; de la Rosa, Ignacio (Universitat Politècnica de València, 2015-07-11)

[EN] The design, development and implementation of an expert system that allows the simulation of fuzzy logic models was proposed as supervised practical work. This expert system was used in solving a real engineering problem: ...
Influence of filter medium type, temperature and ammonia production on nitrifying trickling filters performance

Godoy-Olmos, Sergio; Martínez-Llorens, Silvia; Tomas-Vidal, A.; Jover Cerdá, Miguel (Elsevier, 2016)

[EN] This work focuses on the achieving of optimal design and modelling of nitrifying trickling filters for closed circuit aquaculture turbot (Psetta maxima) farms. Several process parameters influential in nitrifying ...