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Dimension: Nominal catches
Type: Quantity
Unit: Tonnes
Description: The "nominal catches" concept refers to the landings converted to a live weight basis; the closely related concept "landings" refers to the quantities on a landed weight basis. In many fisheries the landed quantities are identical to the quantities caught, but there are many instances where the catches on board fishing vessels or factory ships are gutted, eviscerated, filleted, salted, dried, etc., or reduced to meals, oil, etc. The data on the landings of such species and products require conversion by accurate yield rates (conversion factors) to establish the live weight equivalents (nominal catches) at the time of their capture. The database does not include quantities discarded after catching.
Key: Aquatic species
Type: Species
Code system: Scientific name (at the species, genus, family or higher taxonomic levels);
Code system: FAO English, French or Spanish name;
Code system: Inter-agency 3-alpha code (as derived from the "ASFIS List of species");
Code system: Taxonomic code (as derived from the "ASFIS List of species");
Aggregation: The species are arranged in 50 ISSCAAP groups of species, which constitute the 9 ISSCAAP divisions (or Major groups) of the FAO 'International Standard Statistical Classification of Aquatic Animals and Plants' (ISSCAAP.) The 50 ISSCAAP groups of species can also be grouped in:
Aggregation: FAOSTAT group classification;
Aggregation: Yearbook Main Groups classification;
Aggregation: Taxonomic classification consisting of 4 levels of aggregation (Orders, Families, Genera and Species.)
Key: Country or Area
Type: Geographic
More info: The term also covers territories, cities, land areas, as well as provinces, districts, enclaves, exclaves and other parts of territories or combinations of countries or areas
Code system: FAO multilingual code of not more than twelve characters used for statistical purposes;
Code system: Country or area names in English, French or Spanish;
Code system: ISO 3-alpha code;
Code system: ISO 2-alpha code;
Code system: FAO three-digit numerical code;
Aggregation: Continents;
Aggregation: Continents and regions (each continent is divided into regions);
Aggregation: Economic class (developed countries; developing countries);
Aggregation: Economic groups (developing countries; transition markets; industrialized countries.)
Key: Statistical divisions of the FAO Major Fishing Area 37
Type: Geographic
Code system: FAO name in English, French or Spanish;
Code system: FAO code.
Aggregation: The FAO Major Fishing Area 37 internationally established for fishery statistical purposes, has been split into four subareas, further sub-divided into ten divisions:

37 1 - WESTERN subarea, which includes three divisions:
37 1 1 - Balearic
37 1 2 - Gulf of Lions
37 1 3 - Sardinia

37 2 - CENTRAL subarea, which includes two divisions:
37 2 1 - Adriatic
37 2 2 - Ionian

37 3 - EASTERN subarea, which includes two divisions:
37 3 1 - Aegean
37 3 2 - Levant

37 4 - BLACK SEA subarea, which includes three divisions:
37 4 1 - Marmara Sea
37 4 2 - Black Sea (proper)
37 4 3 - Azov Sea

Tuna catches are not allocated according to GFCM statistical divisions and are grouped together into a division named "Tunas" (37 0 0).
Another division, named "Not known" (37 9 0), contains all the catches for which the statistical division is not known.

Symbols used
...Data not available; unobtainable; data not separately available but included in another category
- Nil or zero
0More than zero but less than half the unit used
neiNot elsewhere included
F FAO estimate from available sources of information
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