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Keyword
Transmittance and attenuance of the water column
205 record(s)
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Oceanographic survey collected in the framework of the following research project: ¿Métodos de Producción de Huevos. Estimación de la biomasa de especies pelágicas de interés comercial: sardina, anchoa, caballa y jurel (ICTIOEVA)¿. This Project is funded by the Instituto Español de Oceanografía and the main scientific objective the survey is to produce an index and a direct estimate of the spawning stock biomass of Sardine (Sardine pilchardus) in the Cantabrian Sea and Bay of Biscay (to 45ºN) using the Daily Egg Production Method (DEPM). Specific aims:a) To estimate the spawning area distribution of sardine and the daily egg production. b) To collect adults to obtain fecundity estimation c) Distribution and abundance of other commercial species of interest: mackerel, horse mackerel and anchovy.d) To describe the oceanographic and meteorological character of the area of study with the aim of relating environmental conditions (temperature, salinity, currents) with the spatial distribution of the ichthyoplankton
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1)Test predictions of the empirical model of Rodríguez et al. [The role of mesoscale Vertical motion in controlling the structure of phytoplankton in the ocean. Nature, vol. 410, 360-363 (2001)] for spectra that include cell aggregates biomass and zooplankton fecal pellets 2)Analysis of size structure of plankton and particulate matter transported into deep water along isopycnals surfaces. 3) Analysis of balance between the upstream and downstream flows of carbon through two reference surfaces: the maximum fluorescence subsurface and bottom of the euphotic layer.
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Get abundance indices of groundfish demersales species. Get the size structure of commercially exploited stocks. Collection of biological material. Prospecting deep zones. Get physical-chemical parameters of water in the study area. Calibration between the "B/O Michael Oliver" and the "B/O Cornide Saavedra" Demersal campaign Gulf of Cadiz
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The campaign has two objectives: 1. Making a mesh of CTD's in the Ibiza channel and radial RADMED in Mallorca Channel. 2. The launch drifter of the Ibiza channel for the program SOCIB Drifter Facility.
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Campaign for sampling GIFT series in which to analyze physicochemical variables that will: - Monitor thermohaline and biogeochemical characteristics of the water masses converge in the Strait of Gibraltar - Study of the flow of carbon greenhouse gases, methane and nitrous oxide from the Atlantic and Mediterranean and the processes involved in its regulation. - Evaluation of the exchange of CO2, CH4 and N2O ocean-atmosphere.
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The completion of the dredging of the commercial area of the port of Mahon and disposal of these sediments and dredged materials in an area close to the port, a benchmark that area is needed before the completion of the discharge. The MAO DRAGAT project includes activities to be developed for this purpose. The hydrodynamic characterization and sampling of contaminants in the water column and sediment discharge area is one of the objectives of this project. MAHON 0114 The campaign is designed to perform this characterization by a network of hydrographic stations, ADCP Doppler and sampling in the water column and sediments.
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Get abundance indices of groundfish demersales species. Get the size structure of commercially exploited stocks. Collection of biological material. Prospecting deep zones. Get physical-chemical parameters of water in the study area. Calibration between the "B/O Michael Oliver" and the "B/O Cornide Saavedra" Demersal campaign Gulf of Cadiz
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Prospecting Scomber scombrus and Trachurus trachurus eggs and adult catches to estimate egg production and fecundity of Scomber scombrus for joint international evaluation of spawning stock biomass of mackerel by the method annual egg production (MPAH) and production eggs Trachurus.
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Prospecting Scomber scombrus and Trachurus trachurus eggs and adult catches to estimate egg production and fecundity of Scomber scombrus for joint international evaluation of spawning stock biomass of mackerel by the method annual egg production (MPAH) and production eggs Trachurus.
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Get abundance indices of groundfish demersales species. Get the size structure of commercially exploited stocks. Collection of biological material. Prospecting deep zones. Get physical-chemical parameters of water in the study area.