North Atlantic Ocean, North-East Atlantic Ocean, Celtic Sea, Irish Sea
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Data on the offshore volcanic geologic ridges near Ireland in the West European Basin. A ridge is a geological feature consisting of a chain of mountains or hills that form a continuous elevated crest for some distance. Ridges are usually termed hills or mountains as well, depending on size.
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The location of 170 offshore wells drilled in the Irish offshore area. Offshore wells cover the Irish Exclusive Economic Zone including the Irish Sea, Saint George's Channel, Celtic Sea and the North Atlantic Ocean. Offshore wells recorded between 1970 and 2013 available with this dataset. Offshore wells licensed and drilled by commercial oil and gas exploration companies. Offshore wells provide reporting information on the oil and gas exploration potential and experience around Ireland. Data available and provided by the Petroleum Affairs Division (PAD) of the Department of Communications, Climate Action and Environment (DCCAE). Data completed for the period 1970-2013.
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Biological Sampling Survey station locations containing catch data from a bottom trawl survey series: Trawl positions, duration and gear parameters; catch weights of the target species; length frequency distributions; age, sex and maturity. The target species are: cod, haddock, whiting, saithe, hake, black and white-bellied anglerfish, megrim, plaice, sole, herring, blue whiting, mackerel, horse mackerel, blonde ray, cuckoo ray, spotted ray and thornback ray. Data coverage has been for the waters around Ireland from 10m to 180m in depth (Irish Sea, Celtic Sea, West and North of Ireland). The spatial coverage varied from year-to year. The sampling locations were selected from known fishing tracks while trying to ensure maximum spatial spread over the survey area. The surveys took place in February-March of 2004-2009. Samples were collected using a GOV bottom trawl (a scaled-down version of the IBTS standard, see: Manual for the International Bottom Trawl Surveys, ICES Survey Protocols SISP 1-IBTS VIII). The main purpose of the survey was to collect information on the length and age at which target species first reach maturity in the waters around Ireland. The surveys were carried out by the Marine Institute Fisheries Science team. All data collected on the survey are available.