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Keyword
Fish reproduction
128 record(s)
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Campaña: 3LNO GROUNDFISH SURVEY (FLETAN NEGRO 3L 2017) 3LNO GROUNDFISH SURVEY (FLETAN NEGRO 3L 2017)
The surveys on NAFO Regulatory Area of Div. 3L (Flemish Pass) were initiated by Spain in 2003. The surveys were carried out by the R/V “Vizconde de Eza” following the same procedures and using the same bottom trawl net type Campelen. The main objectives of this survey time series are: a) to obtain abundance indices of the main exploited species, b) to study the structure and distribution of these demersal species in the area.
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Main objectives: Estímate egg abundance for mackerel and horse mackerel in surveyed area Estimate sardine spawning area in surveyed area by CUFES Collect mackerel adult samples to estimate adult parameters by pelagic trawls Secondary objectives: Estimate egg and larva abundances for sardine, anchovy, hake Measure the salinity , temperature depth in the water column using ctd
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Campaña: 3LNO GROUNDFISH SURVEY (FLETAN NEGRO 3L 2015) 3LNO GROUNDFISH SURVEY (FLETAN NEGRO 3L 2015)
The surveys on NAFO Regulatory Area of Div. 3L (Flemish Pass) were initiated by Spain in 2003. The surveys were carried out by the R/V “Vizconde de Eza” following the same procedures and using the same bottom trawl net type Campelen. The main objectives of this survey time series are: a) to obtain abundance indices of the main exploited species, b) to study the structure and distribution of these demersal species in the area.
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Spanish Porcupine bottom trawl survey aims to collect data on the distribution and relative abundance, and biological information of commercial fish in Porcupine bank area (ICES Division 7b-k). The primary target species are hake, monkfish, white anglerfish and megrim, which abundance indices are estimated by age, with abundance indices also estimated for Nephrops, four-spot megrim and blue whiting. Data collection is also collected for several other demersal fish species and invertebrates.
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Campaña: 3LNO GROUNDFISH SURVEY (FLETAN NEGRO 3L 2016) 3LNO GROUNDFISH SURVEY (FLETAN NEGRO 3L 2016)
The surveys on NAFO Regulatory Area of Div. 3L (Flemish Pass) were initiated by Spain in 2003. The surveys were carried out by the R/V “Vizconde de Eza” following the same procedures and using the same bottom trawl net type Campelen. The main objectives of this survey time series are: a) to obtain abundance indices of the main exploited species, b) to study the structure and distribution of these demersal species in the area.
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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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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. Sampling using a box-corer to obtain granulometrics indices of sediment and biological sampling of infauna.
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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. Sampling using a box-corer to obtain granulometrics indices of sediment and biological sampling of infauna.
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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.
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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.