Experience with ongrowing juvenile blackspot sea bream (Pagellus bogaraveo) born in captivity, in tanks at diferent temperatures

Publicado

Cultivo de dorada Sparus aurata L. en el Centro Costero del Mar Menor durante la temporada 1978-79

Se describen en este trabajo las experiencias de cultivo de dorada Sparus aurata L. en el Centro Costero del Mar Menor durante el invierno 1978-79. Se fijaron las condiciones idóneas de la puesta y se hicieron dos experiencias de alimentación larvaria para ver la influencia sobre el cultivo del acortamiento de la fase de alimentaci6n con nauplius de Artemia adelantando a la vez la fase de alimento inerte.In this contribution we describe the experiments carried out on Sparus aura~a L. in our centre during the winter of 1978-79. The optimum conditions for the spawning were established. Two studies were made on the feeding of larvae to assess the influence of the shortening of the Artemia nauplii uptake periode and to anticipate the artificial feeding.Versión del editor0,000

Effects of in vivo treatment with the dopamine antagonist pimozide and gonadotropin-releasing hormone agonist (GnRHa) on the reproductive axis of Senegalese sole (Solea senegalensis)

Publicado

Evaluation of SMOS L4 Sea Surface Salinity Product in the Western Iberian Coast

Special issue Moving Forward on Remote Sensing of Sea Surface Salinity.-- 24 pages, 14 figures, supplementary materials https://www.mdpi.com/article/10.3390/rs14020423/s1.-- Data Availability Statement: Data sharing not applicableSalinity is one of the oldest parameters being measured in oceanography and one of the most important to study in the context of climate change. However, its quantification by satellite remote sensing has been a relatively recent achievement. Currently, after over ten years of data gathering, there are still many challenges in quantifying salinity from space, especially when it is intended for coastal environments study. That is mainly due to the spatial resolution of the available products. Recently, a new higher resolution (5 km) L4 SMOS sea surface salinity (SSS) product was developed by the Barcelona Expert Center (BEC). In this study, the quality of this product was tested along the Western Iberian Coast through its comparison with in situ observations and modelled salinity estimates (CMEMS IBI Ocean Reanalysis system). Moreover, several parameters such as the temperature and depth of in situ measurements were tested to identify the variables or processes that induced higher errors in the product or influenced its performance. Lastly, a seasonal and interannual analysis was conducted considering data between 2011 to 2019 to test the product as a potential tool for long-term studies. The results obtained in the present analysis showed a high potential of using the L4 BEC SSS SMOS product in extended temporal and spatial analyses along the Portuguese coast. A good correlation between the satellite and the in situ datasets was observed, and the satellite dataset showed lower errors in retrieving coastal salinities than the oceanic model. Overall, the distance to the coast and the closest rivers were the factors that most influenced the quality of the product. The present analysis showed that great progress has been made in deriving coastal salinity over the years and that the SMOS SSS product is a valuable contribution to worldwide climatological studies. In addition, these results reinforce the need to continue developing satellite remote sensing products as a global and cost-effective methodology for long-term studiesThis work was conducted within the framework of the project AQUIMAR—Marine Knowledge Supporting Aquaculture (MAR-02.01.01-FEAMP-0107), funded by the Mar 2020—Operational Program Mar2020. B.B. was funded by a grant from Mar2020 under AQUIMAR project and also by a PhD grant awarded by Fundação para a Ciência e a Tecnologia (FCT) within the scope of the MIT Portugal Program. A.C.B. was funded by FCT through the Scientific Employment Stimulus Programme (CEECIND/0095/2017). A.T. was funded by Project SARDINHA2020 (MAR-01.04.02-FEAMP-0009), funded by the Operational Program Mar2020. This work benefited from the Infrastructure CoastNet (http://geoportal.coastnet.pt, accessed on 30 September 2021), funded by FCT and the European Regional Development Fund (FEDER), through LISBOA2020 and ALENTEJO2020 regional operational programs, in the framework of the National Roadmap of Research Infrastructures of strategic relevance (PINFRA/22128/2016). This study also received further support from FCT through MARE’s strategic program (UID/MAR/04292/2019). This work represents a contribution to CSIC Thematic Interdisciplinary Platform PTI Teledetect, with the institutional support of the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S). This publication was also funded by the European Union’s Horizon 2020 Research and Innovation Programme under grant agreement N810139: Project Portugal Twinning for Innovation and Excellence in Marine Science and Earth Observation—PORTWIMSPeer reviewe

Determinación de los criterios de percepción de calidad y estudio de la aceptación del pescado de crianza por parte de los consumidores

Versión del editor0,000

Constraints on the χ_(c1) versus χ_(c2) polarizations in proton-proton collisions at √s = 8 TeV

The polarizations of promptly produced χ_(c1) and χ_(c2) mesons are studied using data collected by the CMS experiment at the LHC, in proton-proton collisions at √s=8  TeV. The χ_c states are reconstructed via their radiative decays χ_c → J/ψγ, with the photons being measured through conversions to e⁺e⁻, which allows the two states to be well resolved. The polarizations are measured in the helicity frame, through the analysis of the χ_(c2) to χ_(c1) yield ratio as a function of the polar or azimuthal angle of the positive muon emitted in the J/ψ → μ⁺μ⁻ decay, in three bins of J/ψ transverse momentum. While no differences are seen between the two states in terms of azimuthal decay angle distributions, they are observed to have significantly different polar anisotropies. The measurement favors a scenario where at least one of the two states is strongly polarized along the helicity quantization axis, in agreement with nonrelativistic quantum chromodynamics predictions. This is the first measurement of significantly polarized quarkonia produced at high transverse momentum