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description Publicationkeyboard_double_arrow_right Conference object 2022 Spain EnglishAuthors: Cervera, Laura; Arizcun-Arizcun, Marta; Cuesta, Alberto; Chaves-Pozo, Elena;Cervera, Laura; Arizcun-Arizcun, Marta; Cuesta, Alberto; Chaves-Pozo, Elena;handle: 10508/15952 , 10261/313415
Aquaculture is one of the most prosperous economic sectors. Nevertheless, the natural outbreaks of several infectious diseases make the sector to deal with important economic losses. One of the most important pathogens in the Mediterranean Sea is nodavirus (NNV). NNV is the agent causing viral encephalopathy and retinopathy in more than 170 fish species including some of the most impact in Spanish hatcheries as European sea bass (Dicentrarchus labrax). Antimicrobial peptides (AMPs) are short aminoacidic sequences which constitute important mediators of the innate immune response in teleost fish. AMPs can kill directly a broad range of pathogens such as bacteria or viruses and modulate the host immune response leading to a more effective clearance of pathogens. These properties along with the world emergency in antimicrobial resistance (AMR) make AMPs good candidates to replace traditional antimicrobials. Therefore, we aimed to analyze the molecular regulation of European sea bass defensin beta genes upon NNV infection and after NNV vaccination. To achieve our objective, European sea bass were infected with NNV and samples of head-kidney (HK), brain and gonad were taken. In addition, gonadal cells from healthy males were in vitro stimulated with NNV. Then, ovary samples of control females or vaccinated against NNV (pBAD vaccine) were taken, as well as fertilized eggs and larvae from the same groups. To support our data, we also analyzed in silico the potential antiviral activity of the protein encoded by the studied genes. Our results show that defensin beta 1 gene is up-regulated upon in vivo NNV infection even if in the in silico study showed the lesser predicted activity. Interestingly, the in vitro NNV challenge resulted in no variation of the defensin beta 1 gene, while defensin beta 2.1 and 2.2 genes were blocked upon this stimulus. Strikingly, females vaccinated with pBAD greatly down-regulate defensin beta 2.2 expression. Moreover, larvae from vaccinated mother up-regulate all defensin beta genes. In conclusion, defensin beta 1 gene seems to be involved in the defense against viruses while defensin beta 2 genes appear to possess a more specific function in gonad. Evaluación de los efectos de las microalgas, incluidas en dietas de dorada, sobre el crecimiento, supervivencia y resistencia a infecciones. ALGAFISH
Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2022Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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more_vert Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2022Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10508/15952&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2022 Spain EnglishAuthors: Jiménez, Sebastián; Hernández-Rodríguez, Eva María; Jurado-Ruzafa, Alba; Perales-Raya, Catalina; +7 AuthorsJiménez, Sebastián; Hernández-Rodríguez, Eva María; Jurado-Ruzafa, Alba; Perales-Raya, Catalina; González-Lorenzo, José Gustavo; Sotillo-de-Olano, María Begoña; Estil-las, Clara; García-Mañé, Bertín; Santana-Arocha, Zoraida; Canal-Pérez, Gema; Martín-Sosa, Pablo;handle: 10508/16148 , 10261/324425
Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2022Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10508/16148&type=result"></script>'); --> </script>
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more_vert Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2022Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10508/16148&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2022 Spain EnglishUnpublished Elena Tel; Sonsoles Gonzalez-Gil; Fernandez, E.; Susana Diaz Tagarro; Marcote, D.; Montero, P.; IIReguera; Viloria, A.;handle: 10508/15876 , 10261/319050
The IEO has maintained since late 60s, a local database with basic information on oceanographic campaigns, formerly known as ROSCOF reports, which were established in the framework of IODE initiatives, as a low-level inventory for future access to data. Technological advances in recent decades and different coordination activities between NODCs have favored the implementation of these reports in standardized digital formats (Cruise Summary Reports, CSR) that allow their integration in international repositories as SeaDataNet or POGO. However, this inventory and cataloging activity has suffered ups and downs over 40 years of activity, changes in storage criteria and periods of less activity. In the search for a unique criterion that can last over time and that unifies this information as much as possible with the data generated in these campaigns, an exhaustive review of the existing information has been carried out. The result has been the retrieval of information from short-term campaigns carried out on smaller vessels with great coastal activity, as well as updating information regarding old campaigns performed on the first half of the 20th century onboard of decommissioned vessels. All this is completed with the systematic campaigns carried out by INTECMAR in the Galician rias, research vessels operated by the national Fisheries Administration, and information on research surveys carried out by foreign ships in national waters, forming a catalog of more than 4000 entries. This approach is also followed by the UTM-CSIC, on its own-managed vessels and campaigns carried out since 1991. The common approach allows a unified response to the governmental needs for the planning of future campaigns, and in successive improvements in data recovering, archiving and accessing at NODC/CEDO.
Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2022Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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more_vert Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2022Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Project deliverable 2022 Spain EnglishAuthors: Gutiérrez-Ruiz, Elena; Cervera-Núñez, Cristina; Campillos-Llanos, Mónica; Gómez-Ballesteros, María;Gutiérrez-Ruiz, Elena; Cervera-Núñez, Cristina; Campillos-Llanos, Mónica; Gómez-Ballesteros, María;handle: 10508/16425 , 10261/319080
El objetivo de este informe es la creación de fichas comparativas de los planes nacionales de ordenación del espacio marítimo de los países socios de MSPMED con el fin de detectar los puntos comunes y las principales diferencias entre ellos. MSPMED
Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOProject deliverable . Other ORP type . 2022Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10508/16425&type=result"></script>'); --> </script>
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more_vert Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOProject deliverable . Other ORP type . 2022Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10508/16425&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2021 Spain EnglishAuthors: Cuesta, Alberto; García-Álvarez, Miguel Ángel; Cervera, Laura; Chaves-Pozo, Elena;Cuesta, Alberto; García-Álvarez, Miguel Ángel; Cervera, Laura; Chaves-Pozo, Elena;handle: 10508/15941 , 10261/313409
Nervous Necrosis Virus (NNV) is one of the most challenging pathogens for aquaculture development nowadays, mainly affecting marine teleost fish of major interest to the aquaculture industry and causing great economic losses. NNV consist in four genotypes, which seem to have a tropism for certain teleost fish species. Among them, gilthead seabream (Sparus aurata) has been considered as a non-susceptible species to the disease produced by traditional NNV genotypes. However, there are some evidences that indicate seabream is able to develop the disease in the presence of certain reassortant strains of NNV, called RGNNV/SJNNV, which possesses the RNA1 segment of the RGNNV genotype and the RNA2 segment of the SJNNV genotype, which may cause a new threat to aquaculture. Therefore, the main objective of this study was to evaluate the susceptibility of gilthead seabream larvae to the reassortant strains RGNNV/SJNNV and SJNNV/RGNNV. For this purpose, larvae were exposed to 104 TCDI50/mL in triplicate tanks with the reassortant strains. Samples of 5 individual larvae were collected at different days post-infection and used for gene expression and infective NNV isolation. Our data show that both reassortants produced mortalities, although the RGNNV/SJNNV was the one which produced the highest mortality and viral gene transcription, which significantly increased from 1 to 7 days post-infection. In conclusion, our study demonstrate that seabream larvae are susceptible to both RGNNV/SJNNV and SJNNV/RGNNV reassortants under laboratory conditions. Further studies should be performed to understand the pathogenicity of the NNV reassortant strains to prevent and control future outbreaks in aquaculture farms.
Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2021Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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more_vert Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2021Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10508/15941&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2021 Spain EnglishAuthors: Pérez, José Antonio; Sarralde-Vizuete, Roberto; Ramil, Francisco; Castillo, Sara; +2 AuthorsPérez, José Antonio; Sarralde-Vizuete, Roberto; Ramil, Francisco; Castillo, Sara; Olsen, M; Buhl-Mortensen, Pal;handle: 10508/12308 , 10261/324945
Between 24 January and February 2019, selected Between 24 January and February 2019, selected seamounts of the Discovery Rise complex were explored during a research survey conducted on board the RV Dr. the RV Dr. FridtjofNansen (IMR – Norway) following recommendations of the Southeast Atlantic Fisheries Organization (SEAFO) to identify the occurrence and distribution of ‘Vulnerable Marine Ecosystems’ (VMEs) in sectors of sub-area D of SEAFO Convention Area, including areas precautionarily closed for longline fishing. Estudio de los recursos marinos vivos del Atlántico Sur, Océano Austral, Índico y Pacífico. ATLANSUR
Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2021Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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more_vert Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2021Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10508/12308&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2022 Spain EnglishGarcía-Alegre, Ana; Ruiz-Pico, Susana; Plaza-Morlote, Maider; Punzón, Antonio; Fernandez-Arcaya, Ulla; Serrano, Alberto; González-Irusta, José ManuelM.;handle: 10508/16238 , 10261/312267
Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2022Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10508/16238&type=result"></script>'); --> </script>
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more_vert Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2022Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10508/16238&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euResearch data keyboard_double_arrow_right Sound 2021 Spain EnglishAuthors: García-Rodríguez, Encarnación;García-Rodríguez, Encarnación;handle: 10045/122146 , 10508/16308 , 10261/326443
En los últimos años, han sido muchos los estudios que han pretendido abordar el conocimiento de los diferentes mecanismos e interacciones que determinan el comportamiento y la presencia de las diferentes especies en los ecosistemas marinos. En este sentido, la modelización ecosistémica ha demostrado ser fundamental a la hora de explicar el efecto de la pesca, no únicamente sobre sus especies objetivo, sino también en el conjunto de las especies que conforman dicho ecosistema sometido a explotación. Desde su concepción, esta tesis tuvo como objetivo la actualización de los estudios existentes relacionados con las redes tróficas que caracterizan la zona de estudio, la costa este del Mediterráneo español (denominada como GSA6 por la Comisión General de Pesquerías del Mediterráneo, CGPM). Además de la actualización y ampliación del conocimiento de la ecología trófica del área de estudio, se ha construido un modelo de redes tróficas mediante el empleo del software Ecopath para la zona del Golfo de Alicante (GoA), un ecosistema marino incluido dentro de la zona de estudio. Así pues, a lo largo de la tesis se ha podido articular y comprobar una hipótesis que siempre visitaba nuestro pensamiento: que existen ciertas características en el ecosistema marino del GoA que lo diferencian de sus ecosistemas vecinos, debido en gran medida a sus singularidades tanto oceanográficas como biológicas y ecológicas. Con esta motivación, se estudiaron los hábitos alimenticios de 61 especies de peces existentes en la zona de estudio pertenecientes a diferentes niveles tróficos. La mayoría de las muestras fueron analizadas durante las prospecciones anuales llevadas a cabo durante las campañas oceanográficas de arrastre de fondo denominadas MEDITS en la zona de estudio. El estudio comprendió el periodo 2011-2018, durante el cual se analizaron un total de 16588 contenidos estomacales. En el captítulo II, el primer paso consistió en determinar la idoneidad del tamaño mínimo muestral necesario para describir la dieta de cada una de las especies. Este proceso se hizo mediante el uso de curvas de acumulación de presas. Así pues, se aplicó la metodología de curvas de presas acumuladas para determinar si el número de estómagos analizados era suficiente para representar el espectro trófico de cada uno de los depredadores estudiados. Es más, para dar una mayor consistencia y robustez a este método, se aplicó una aproximación matemática mediante el uso de la función de Clench. Es importante resaltar que éste es el primer estudio en el que se aplica dicha aproximación matemática en especies marinas en el Mediterráneo. En el capítulo III, una vez descritas las dietas de cada una de las especies analizadas, se identificaron los principales grupos de especies que explotan recursos tróficos similares. Seguidamente, el estudio se centró en cómo los factores ambientales tales como el tipo de hábitat, la latitud y la profundidad, afectaron a la estructura y organización de estos grupos tróficos. Para ello se utilizaron cuatro indicadores principales; el índice de diversidad de Shannon, la biomasa, el nivel trófico promedio y la composición específica de la comunidad de peces. Los principales hallazgos destacaron cómo los factores ambientales estudiados condicionaron la estructura de la composición específica de la comunidad íctica. Con respecto a las tres variables investigadas, la profundidad pareció afectar particularmente a la diversidad y la composición de la comunidad de peces. En el caso del gradiente latitudinal, éste sólo pareció afectar a la composición de la comunidad de peces, mostrando consistencia a lo largo de un eje latitudinal norte-sur. Además, se encontró que el tipo de hábitat es significativo en la estructura de la comunidad de peces, mientras que el nivel trófico promedio fue el único indicador que no se vio afectado significativamente por las variables ambientales investigadas. Por otro lado, en el capítulo IV, investigamos el caso particular de siete especies pertenecientes al orden de los Gadiformes con el propósito de explorar aspectos importantes de la ecología trófica tales como los cambios ontogenéticos en su dieta, las interacciones tróficas (tanto inter- como intra-específicas), así como sus estrategias de alimentación. Las especies estudiadas fueron: marujito (Gadiculus argenteus), barbada (Gaidropsarus biscayensis), maruca azul (Molva macrophthalma), merluza europea (Merluccius merluccius), bacaladilla (Micromesistius poutassou), brótola de fango (Phycis blennoides) y la faneca (Trisopterus minutus). Los resultados mostraron que las siete especies estudiadas experimentaron cambios en su estrategia trófica ligados al desarrollo ontogenético. En consecuencia, se observó un aumento en el nivel trófico de la especie con el crecimiento, exceptuando el caso de Gaidropsarus biscayensis y Trisopterus minutus. Del mismo modo, se comprobó cómo las especies son capaces de ocupar diferentes nichos tróficos, desarrollando desde estrategias oportunistas hasta los comportamientos piscívoros más altamente especializados. De esta forma se pudieron distinguir cuatro estrategias de alimentación dentro de las especies coexistentes así como entre las diferentes clases de talla seleccionadas a lo largo del área de estudio. Igualmente resultó interesante el estudio del grado de solapamiento de las diferentes estrategias tróficas, arrojando luz sobre los patrones ecológicos existentes dentro de la comunidad de peces. Finalmente, en el capítulo V se desarrolló un modelo trófico para caracterizar el ecosistema del Golfo de Alicante e investigar sus singularidades con respecto a sus ecosistemas vecinos. Es decir, el modelo ecosistémico localizado en el Golfo de Cádiz (GoC), al suroeste de GoA y el modelo del Mediterráneo Noroccidental (NWM), ubicado al norte de GoA. Este modelo de balance de masas se ha implementado siguiendo el enfoque incorporado en el software Ecopath, uno de los modelos más utilizados a la hora de representar las redes tróficas marinas, abordando cuestiones relevantes para la gestión pesquera. El área de estudio modelada para el año 2011 abarcó una superficie total de 7085 km2, incluyendo la plataforma continental y el talud superior, cubriendo profundidades a partir de los 50 m hasta los 800 m. Para construir el modelo, se seleccionaron un total de 45 grupos funcionales que incluyeron todos los componentes de la red trófica (peces, mamíferos marinos, aves marinas, invertebrados, productores primarios y grupos de detrito). La aproximación realizada en el Golfo de Alicante reveló la peculiar organización de este ecosistema. Esto contrasta con los resultados obtenidos en los ecosistemas vecinos comparados, poniendo de manifiesto que las principales diferencias encontradas están relacionadas con la baja producción primaria existente en el GoA. A pesar de los altos valores tanto de eficiencias ecotróficas como de tasas de mortalidad, los resultados del Golfo de Alicante evidenciaron una menor presión pesquera, lo cual apunta a un nivel de sobreexplotación moderado en el Golfo de Alicante. Por tanto, estos resultados sugieren que GoA es un ecosistema estable y maduro, donde la eficiencia se logra principalmente a partir de un uso eficiente de los detritos. Por tanto, podría decirse que el GoA se caracteriza por tratarse de un sistema maduro pero pobre en nutrientes, lo que sugiere la existencia de un delicado equilibrio entre el aporte de nutrientes y la explotación del detrito. Por consiguiente, el Golfo de Alicante presenta un mayor nivel de complejidad de los flujos internos, lo cual se correlaciona con una situación de estabilidad y madurez. Esto indica que el sistema se parece más a una red, en contraste con la mayor linealidad detectada en la red trófica de los ecosistemas vecinos del NWM y GoC. De ahí la evidencia, según Odum, que el GoA se encuentre en una etapa de desarrollo superior, donde se mantiene eficiente y estable dentro de sus pobres condiciones, pero al mismo tiempo delicado y vulnerable, ya que depende del uso eficiente y circular de su biomasa.
Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Sound . 2021Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euapps Other research productkeyboard_double_arrow_right Collection 2020 EnglishPANGAEA Authors: Belter, Hans Jakob; Janout, Markus A; Hölemann, Jens A; Krumpen, Thomas;Belter, Hans Jakob; Janout, Markus A; Hölemann, Jens A; Krumpen, Thomas;The presented daily mean sea ice draft time series are derived from bottom track mode measurements from multiple upward-looking Workhorse 300 kHz Sentinel Acoustic Doppler Current Profilers (ADCPs, manufactured by Teledyne RDI). ADCP moorings were deployed and recovered during multiple TRANSDRIFT expeditions to the Laptev Sea (2003 to 2016). A total of 13 data files, named to indicate the location of the deployment (station name) and the sampling period, provide values of daily mean sea ice draft (in m) and time. Sea ice draft is derived from ADCP bottom track data following Belter et al. (in review). An additional info file provides the coordinates of the stations, expedition specifics and serial numbers of the instruments.
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For further information contact us at helpdesk@openaire.euapps Other research productkeyboard_double_arrow_right Collection 2019 EnglishPANGAEA AKA | Changing phytoplankton co..., EC | ASSEMBLEAuthors: Spilling, Kristian;Spilling, Kristian;In an enclosure experiment, we employed two levels of inorganic NP ratios (10 and 5) for three distinct plankton communities collected along the coast of central Chile (33ºS). Each combination of community and NP level was replicated three times. The experiment lasted 12 days, and the data set include inorganic nutrients (NO3, PO4, DSi), particular organic carbon (POC), nitrogen (PON) and phosphorus (POP), Chlorophyll a, a range of fluorescence based measurements such as photochemical efficiency (Fv/Fm) and community data. The primary effect of the NP treatment was related to different concentrations of NO3, which directly influenced the biomass of phytoplankton. Additionally, low inorganic NP ratio reduced the seston NP and Chl a-C ratios, and there were some effects on the plankton community composition, e.g. benefitting Synechococcus spp in some communities.
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description Publicationkeyboard_double_arrow_right Conference object 2022 Spain EnglishAuthors: Cervera, Laura; Arizcun-Arizcun, Marta; Cuesta, Alberto; Chaves-Pozo, Elena;Cervera, Laura; Arizcun-Arizcun, Marta; Cuesta, Alberto; Chaves-Pozo, Elena;handle: 10508/15952 , 10261/313415
Aquaculture is one of the most prosperous economic sectors. Nevertheless, the natural outbreaks of several infectious diseases make the sector to deal with important economic losses. One of the most important pathogens in the Mediterranean Sea is nodavirus (NNV). NNV is the agent causing viral encephalopathy and retinopathy in more than 170 fish species including some of the most impact in Spanish hatcheries as European sea bass (Dicentrarchus labrax). Antimicrobial peptides (AMPs) are short aminoacidic sequences which constitute important mediators of the innate immune response in teleost fish. AMPs can kill directly a broad range of pathogens such as bacteria or viruses and modulate the host immune response leading to a more effective clearance of pathogens. These properties along with the world emergency in antimicrobial resistance (AMR) make AMPs good candidates to replace traditional antimicrobials. Therefore, we aimed to analyze the molecular regulation of European sea bass defensin beta genes upon NNV infection and after NNV vaccination. To achieve our objective, European sea bass were infected with NNV and samples of head-kidney (HK), brain and gonad were taken. In addition, gonadal cells from healthy males were in vitro stimulated with NNV. Then, ovary samples of control females or vaccinated against NNV (pBAD vaccine) were taken, as well as fertilized eggs and larvae from the same groups. To support our data, we also analyzed in silico the potential antiviral activity of the protein encoded by the studied genes. Our results show that defensin beta 1 gene is up-regulated upon in vivo NNV infection even if in the in silico study showed the lesser predicted activity. Interestingly, the in vitro NNV challenge resulted in no variation of the defensin beta 1 gene, while defensin beta 2.1 and 2.2 genes were blocked upon this stimulus. Strikingly, females vaccinated with pBAD greatly down-regulate defensin beta 2.2 expression. Moreover, larvae from vaccinated mother up-regulate all defensin beta genes. In conclusion, defensin beta 1 gene seems to be involved in the defense against viruses while defensin beta 2 genes appear to possess a more specific function in gonad. Evaluación de los efectos de las microalgas, incluidas en dietas de dorada, sobre el crecimiento, supervivencia y resistencia a infecciones. ALGAFISH
Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2022Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2022 Spain EnglishAuthors: Jiménez, Sebastián; Hernández-Rodríguez, Eva María; Jurado-Ruzafa, Alba; Perales-Raya, Catalina; +7 AuthorsJiménez, Sebastián; Hernández-Rodríguez, Eva María; Jurado-Ruzafa, Alba; Perales-Raya, Catalina; González-Lorenzo, José Gustavo; Sotillo-de-Olano, María Begoña; Estil-las, Clara; García-Mañé, Bertín; Santana-Arocha, Zoraida; Canal-Pérez, Gema; Martín-Sosa, Pablo;handle: 10508/16148 , 10261/324425
Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2022Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2022 Spain EnglishUnpublished Elena Tel; Sonsoles Gonzalez-Gil; Fernandez, E.; Susana Diaz Tagarro; Marcote, D.; Montero, P.; IIReguera; Viloria, A.;handle: 10508/15876 , 10261/319050
The IEO has maintained since late 60s, a local database with basic information on oceanographic campaigns, formerly known as ROSCOF reports, which were established in the framework of IODE initiatives, as a low-level inventory for future access to data. Technological advances in recent decades and different coordination activities between NODCs have favored the implementation of these reports in standardized digital formats (Cruise Summary Reports, CSR) that allow their integration in international repositories as SeaDataNet or POGO. However, this inventory and cataloging activity has suffered ups and downs over 40 years of activity, changes in storage criteria and periods of less activity. In the search for a unique criterion that can last over time and that unifies this information as much as possible with the data generated in these campaigns, an exhaustive review of the existing information has been carried out. The result has been the retrieval of information from short-term campaigns carried out on smaller vessels with great coastal activity, as well as updating information regarding old campaigns performed on the first half of the 20th century onboard of decommissioned vessels. All this is completed with the systematic campaigns carried out by INTECMAR in the Galician rias, research vessels operated by the national Fisheries Administration, and information on research surveys carried out by foreign ships in national waters, forming a catalog of more than 4000 entries. This approach is also followed by the UTM-CSIC, on its own-managed vessels and campaigns carried out since 1991. The common approach allows a unified response to the governmental needs for the planning of future campaigns, and in successive improvements in data recovering, archiving and accessing at NODC/CEDO.
Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2022Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Project deliverable 2022 Spain EnglishAuthors: Gutiérrez-Ruiz, Elena; Cervera-Núñez, Cristina; Campillos-Llanos, Mónica; Gómez-Ballesteros, María;Gutiérrez-Ruiz, Elena; Cervera-Núñez, Cristina; Campillos-Llanos, Mónica; Gómez-Ballesteros, María;handle: 10508/16425 , 10261/319080
El objetivo de este informe es la creación de fichas comparativas de los planes nacionales de ordenación del espacio marítimo de los países socios de MSPMED con el fin de detectar los puntos comunes y las principales diferencias entre ellos. MSPMED
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2021 Spain EnglishAuthors: Cuesta, Alberto; García-Álvarez, Miguel Ángel; Cervera, Laura; Chaves-Pozo, Elena;Cuesta, Alberto; García-Álvarez, Miguel Ángel; Cervera, Laura; Chaves-Pozo, Elena;handle: 10508/15941 , 10261/313409
Nervous Necrosis Virus (NNV) is one of the most challenging pathogens for aquaculture development nowadays, mainly affecting marine teleost fish of major interest to the aquaculture industry and causing great economic losses. NNV consist in four genotypes, which seem to have a tropism for certain teleost fish species. Among them, gilthead seabream (Sparus aurata) has been considered as a non-susceptible species to the disease produced by traditional NNV genotypes. However, there are some evidences that indicate seabream is able to develop the disease in the presence of certain reassortant strains of NNV, called RGNNV/SJNNV, which possesses the RNA1 segment of the RGNNV genotype and the RNA2 segment of the SJNNV genotype, which may cause a new threat to aquaculture. Therefore, the main objective of this study was to evaluate the susceptibility of gilthead seabream larvae to the reassortant strains RGNNV/SJNNV and SJNNV/RGNNV. For this purpose, larvae were exposed to 104 TCDI50/mL in triplicate tanks with the reassortant strains. Samples of 5 individual larvae were collected at different days post-infection and used for gene expression and infective NNV isolation. Our data show that both reassortants produced mortalities, although the RGNNV/SJNNV was the one which produced the highest mortality and viral gene transcription, which significantly increased from 1 to 7 days post-infection. In conclusion, our study demonstrate that seabream larvae are susceptible to both RGNNV/SJNNV and SJNNV/RGNNV reassortants under laboratory conditions. Further studies should be performed to understand the pathogenicity of the NNV reassortant strains to prevent and control future outbreaks in aquaculture farms.
Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2021Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2021 Spain EnglishAuthors: Pérez, José Antonio; Sarralde-Vizuete, Roberto; Ramil, Francisco; Castillo, Sara; +2 AuthorsPérez, José Antonio; Sarralde-Vizuete, Roberto; Ramil, Francisco; Castillo, Sara; Olsen, M; Buhl-Mortensen, Pal;handle: 10508/12308 , 10261/324945
Between 24 January and February 2019, selected Between 24 January and February 2019, selected seamounts of the Discovery Rise complex were explored during a research survey conducted on board the RV Dr. the RV Dr. FridtjofNansen (IMR – Norway) following recommendations of the Southeast Atlantic Fisheries Organization (SEAFO) to identify the occurrence and distribution of ‘Vulnerable Marine Ecosystems’ (VMEs) in sectors of sub-area D of SEAFO Convention Area, including areas precautionarily closed for longline fishing. Estudio de los recursos marinos vivos del Atlántico Sur, Océano Austral, Índico y Pacífico. ATLANSUR
Repositorio Instituc... arrow_drop_down Repositorio Institucional Digital del IEOOther ORP type . Conference object . 2021Data sources: Repositorio Institucional Digital del IEOadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object 2022 Spain EnglishGarcía-Alegre, Ana; Ruiz-Pico, Susana; Plaza-Morlote, Maider; Punzón, Antonio; Fernandez-Arcaya, Ulla; Serrano, Alberto; González-Irusta, José ManuelM.;handle: 10508/16238 , 10261/312267