The present data were collected from two cruises that took place in the Canary Current from September 10 to October 1, 2002 (COCA I) and from May 21 to June 7, 2003 (COCA II). The study was conducted along two zonal sections (21ºN and 26ºN) extending from the coastal upwelling to the open ocean at 26ºW, and focused on the epipelagic (0-200 m) and mesopelagic (200-1000 m) zones. The cruises consisted of a total of 31 hydrographic stations and 10 biogeochemical stations, half of them along each section, which were roughly equidistant. At each station seawater samples were collected at fixed depths in the biogeochemical stations every 50 m for suspended POC, DOC and ETS activity by means of a Seabird 911+ CTD, mounted on a General Oceanics rosette sampler equipped with 24 10L-Niskin bottles.
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Mesopelagic organisms play a critical role in marine ecosystems, channelling energy and organic matter across food webs and serving as the primary prey for many open-ocean predators. Nevertheless, trophic pathways involving mesopelagic organisms are poorly understood and their contribution to food web structure remains difficult to assess (St. John et al., 2016). Existing data to assess mesopelagic feeding interactions and energy transfer are scattered in the literature or remain unpublished, making it difficult to locate and use such datasets. As part of the EU funded project SUMMER - Sustainable Management of Mesopelagic Resources H2020-BG-2018-2, GA: 817806) (https://summerh2020.eu/), we created MesopTroph, a georeferenced database of diet, trophic biogeochemical markers, and energy content of mesopelagic organisms and other marine taxa from the Northeast Atlantic and Mediterranean Sea, compiled from 191 published and non-published sources. MesopTroph includes seven datasets: (i) diet compositions from stomach content analysis, (ii) stable isotopes of carbon and nitrogen (δ13C and δ15N), (iii) fatty acid trophic markers (FATM), (iv) major and trace elements, (v) energy density, (vi) estimates of diet proportions, and (vii) trophic positions. The database contains information from 4918 samples, representing 51119 specimens from 499 species or genera, covering a wide range of trophic guilds and taxonomic groups. Metadata provided for each record include the location, dates and method of sample collection, taxonomic ranks (phylum, class, order, family), number and size (or size range) of sampled organisms, method/model used in data analysis, reference and DOI of the original data source. Compiled data were checked for errors, missing information, and to avoid duplicate entries, and scientific names and taxonomy were standardized.
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Additional file 2: Table S2. Bacteria OUT table with sequence tag count per sample and taxonomic affiliations.
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Comext Download of groups of HS-8 codes for tuna; tuna loins, other prepared/preserved, frozen whole. From Cabo Verde, Ghana, Senegal and Cote d'Ivoire to EU for the period 2015 to 2019. Value in EUR and quantity in 100 kgs.
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On the 1st of December a major step forward in the direct ocean observing was taken with the deployment of the new observatory infrastructure, an ocean monitoring multi-sensor module EMSO Generic Instrument Module (EGIM) and its installation and maintenance on the OBSEA underwater observatory near the coast of Vilanova i la Geltrú (Barcelona, Spain). EGIM is the key objective of the European Multidisciplinary Seafloor and water-column Observatory Development (EMSODEV) project- funded by the European Union' s dedicated programme for research and innovation, Horizon 2020. After EGIM has undergone various and rigorous dry tests in laboratories, the first deployment's main purpose was to test the module under real-life conditions. This data set contains raw data from this deployment, including data collected using a Seabird SBE37 CTD, a Seabird SBE54 Tsunami meter, a AADI DW4831 Oxygen Optode, a Wetlabs ECO NTUrtd Fluorometer and a TELEDYNE RDI Workhorse monitor ADCP.
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We report the results of an aquaria-based experiment testing the effects of suspended particles generated during potential mining activities, on a common habitat-building coral species in the Azores, Dentomuricea aff. meteor. Coral fragments were maintained in 10-L aquaria and exposed to three experimental treatments for a period of four weeks at the DeepSeaLab aquaria facilities (Okeanos-University of the Azores): (1) control conditions (no added sediments); (2) suspended polymetallic sulphide (PMS) particles; (3) suspended quartz particles. Seawater physical-chemical parameters were measured daily in each aquarium. Seawater salinity was measured with a S30 SevenEasyâ„¢ conductivity meter, pH and temperature with a glass electrode (Crison pH 25+), and oxygen with a Fibox4 (PreSens) with a Oxygen Dipping Probe DP-PSt3. Seawater samples for inorganic nutrient analyses were collected on times 0 (immediately before the start of the experiment), and once a week on days 6, 13, 20 and 27 of the experiment and determined using a colorimetric autoanalyzer Sanplus with segmented flow. Monitoring of aquaria: Monitoring of physical-chemical conditions in each experimental aquaria (2 replicate aquaria per treatment)
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The collected samples of Geodia species were used to identify if they were reproductive and understand which genes are expressed during gametogenesis. Specifically, specimens fixed in glutaraldehyde solution, were processed for histological analysis to observe gametes in the sponge tissue. Once, we identified male, female (while in gametogenesis) and non-reproductive specimens, we used the RNAlater fixed samples to extract RNA from those specimens. Then, we prepared cDNA libraries, sequenced them with illumina nextseq and we did differential gene expression analysis in order to compare the expressed genes in male vs female specimens and vs non-reproductive specimens. The goal was to understand the molecular machinery of gametogenesis in sponges from an evolutionary point of view.
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Here we provide a few test cases for the MISOMIP2 ocean interpolation package (https://github.com/nicojourdain/misomip2). The aims are : help users check that this package works well in their python environment before adapting it to their model outputs. help developers check that new developments work for all types of model. The test cases characteristics are the following: NEMO_test : 2 months, a small NEMO domain in the Amundsen Sea (smaller than the MISOMIP2 domain) at medium resolution, in Z coordinates, with all required variables [provided by Nico Jourdain]. MITGCM_test : 2 months, a small MITGCM domain in the Amundsen Sea (smaller than the MISOMIP2 domain) at relatively high resolution in stereographic coordinates; vertical Z coordinates; does not contain the required sea-ice or surface fluxes [provided by Jan De Rydt]. eORCA025_test : 2 months, a global NEMO domain at medium resolution, in Zstar coordinates; most variables calculated [provided by Pierre Mathiot]. ROMS_test : 3 months, a circum-Antarctic simulation at medium resolution, in sigma coordinates; does not contain sea-ice or surface fluxes [provided by Ole Richter]. We do not provide more information on the individual model configurations as the aim is here only to test interpolation scripts.
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The present data were collected from two cruises that took place in the Canary Current from September 10 to October 1, 2002 (COCA I) and from May 21 to June 7, 2003 (COCA II). The study was conducted along two zonal sections (21ºN and 26ºN) extending from the coastal upwelling to the open ocean at 26ºW, and focused on the epipelagic (0-200 m) and mesopelagic (200-1000 m) zones. The cruises consisted of a total of 31 hydrographic stations and 10 biogeochemical stations, half of them along each section, which were roughly equidistant. At each station seawater samples were collected at fixed depths in the biogeochemical stations every 50 m for suspended POC, DOC and ETS activity by means of a Seabird 911+ CTD, mounted on a General Oceanics rosette sampler equipped with 24 10L-Niskin bottles.
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Mesopelagic organisms play a critical role in marine ecosystems, channelling energy and organic matter across food webs and serving as the primary prey for many open-ocean predators. Nevertheless, trophic pathways involving mesopelagic organisms are poorly understood and their contribution to food web structure remains difficult to assess (St. John et al., 2016). Existing data to assess mesopelagic feeding interactions and energy transfer are scattered in the literature or remain unpublished, making it difficult to locate and use such datasets. As part of the EU funded project SUMMER - Sustainable Management of Mesopelagic Resources H2020-BG-2018-2, GA: 817806) (https://summerh2020.eu/), we created MesopTroph, a georeferenced database of diet, trophic biogeochemical markers, and energy content of mesopelagic organisms and other marine taxa from the Northeast Atlantic and Mediterranean Sea, compiled from 191 published and non-published sources. MesopTroph includes seven datasets: (i) diet compositions from stomach content analysis, (ii) stable isotopes of carbon and nitrogen (δ13C and δ15N), (iii) fatty acid trophic markers (FATM), (iv) major and trace elements, (v) energy density, (vi) estimates of diet proportions, and (vii) trophic positions. The database contains information from 4918 samples, representing 51119 specimens from 499 species or genera, covering a wide range of trophic guilds and taxonomic groups. Metadata provided for each record include the location, dates and method of sample collection, taxonomic ranks (phylum, class, order, family), number and size (or size range) of sampled organisms, method/model used in data analysis, reference and DOI of the original data source. Compiled data were checked for errors, missing information, and to avoid duplicate entries, and scientific names and taxonomy were standardized.
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Additional file 2: Table S2. Bacteria OUT table with sequence tag count per sample and taxonomic affiliations.
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