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CV17017 Nephrops Galway Bay Porcupine Underwater TV (UWTV) Survey

Arna fhoilsiú ag: Marine Institute
Tuairimí: 11
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Annual Nephrops Galway Bay Porcupine Underwater television (UWTV) Survey undertaken by Marine Insitute Fisheries Ecosystem Advisory Services team. This survey took place in 2017 in the North East Atlanic - in Galway Bay and the Porcupine. Nephrops is a genus of lobsters comprising a single extant species, Nephrops norvegicus (the Norway lobster or Dublin Bay prawn). Under water surveys took place at 10 stations in Galway bay and 4 on the Slyne head nephrops ground. Mean density is calculated by dividing the total number of burrow systems by the survey area observed. Conductivity, Temperature and Depth (CTD) oceanographic data was also recorded. 1.To obtain 2017 quality assured estimates of Nephrops burrow densities from a randomised isometric grid of UWTV stations at 6 nautical mile spacing over the known spatial a bathymetric distribution of the Porcupine Nephrops stock. 2. To obtain 2017 quality assured estimates of Nephrops burrow densities from a randomised isometric grid of UWTV stations at 4 nautical mile spacing on the “Aran” Nephrops ground. 3.To carry out 10 UWTV indicator stations on the Galway Bay and 4 on the Slyne Head Nephrops ground. 4.To collect ancillary information from the UWTV footage collected at each station such as the occurrence of sea-pens, other macro benthos and fish species and trawl marks on the sea bed. 5.To collect oceanographic data using a sledge mounted CTD. 6.To sample Nephrops and macro benthos using a 4 m beam trawl deployed at ~10 stations on the Aran Grounds

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Dáta eisithe 2017-11-20
Dáta nuashonraithe 2018-11-29
Cloíonn an tacar sonraí leis na caighdeáin seo See the referenced specification
Nótaí Cearta {"While every effort is made in preparing the dataset no responsibility is accepted by or on behalf of the Marine Institute for any errors, omissions or misleading information. The Marine Institute accepts no responsibility for loss or damage occasioned or claimed to have been occasioned, in part or in full, as a consequence of any person acting, or refraining from acting as a result of a matter contained in this datasets or as a consequence of using this dataset for any purpose whatsoever.","A Creative Commons (CC) license is one of several public copyright licenses that enable the free distribution of an otherwise copyrighted work. A CC license is used when an author wants to give people the right to share, use, and build upon a work that they have created. Under Creative Commons CC BY 4.0 the following is granted: Rights Share — copy and redistribute the material in any medium or format; Adapt — remix, transform, and build upon the material for any purpose, even commercially. The licensor cannot revoke these freedoms as long as you follow the license terms. Requirements Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.",CC%20BY%204.0}
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Clúdach Geografach i bhformáid GeoJSON {"type":"Polygon","coordinates":[[[-14.489991999999988, 51.331889000000004],[-14.489991999999988, 53.334243], [-9.038670000000007, 53.334243], [-9.038670000000007, 51.331889000000004], [-14.489991999999988, 51.331889000000004]]]}
SRS WGS 84 (EPSG:3857)
Eolas Dualfhoinse Data supplied by Marine Institute.
Tréimhse ama clúdaithe (tús) 2017-06-18
Tréimhse ama clúdaithe (deireadh) 2017-06-29