Aquaculture production
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OECD statistics contact: TAD.contact@oecd.org

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FAO. 2019. Fishery and Aquaculture Statistics. Global capture production 1950-2017 (FishstatJ). In: FAO Fisheries and Aquaculture Department [online]. Rome. Updated 2019.

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The annual period used is the calendar year (1 January - 31 December), with the exceptions of data for some countries for which a split-year is used. Split-year data are shown under the calendar year in which the split-year ends.

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Production of fish, crustaceans and molluscs is expressed in live weight, that is the nominal weight of the aquatic organisms at the time of capture. The harvest of aquatic plants is given in wet weight. Quantities are given in tonnes (=1000 kg). The value of aquaculture, expressed at current prices and converted from local currencies, is reported in US dollars using FAO exchange rates.

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Aquaculture is the farming of aquatic organisms including fish, molluscs, crustaceans and aquatic plants. Farming implies some form of intervention in the rearing process to enhance production, such as regular stocking, feeding, protection from predators, etc. Farming also implies individual or corporate ownership of the stock being cultivated. For statistical purposes, aquatic organisms which are harvested by an individual or corporate body which has owned them throughout their rearing period contribute to aquaculture while aquatic organisms which are exploitable by the public as a common property resource, with or without appropriate licenses, are the harvest of fisheries.

The methodological reference document for fisheries and aquaculture statistics is the CWP Handbook of Fishery Statistics.

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Several countries still report their aquaculture production by large groups of species. In these circumstances the data presented by individual species items are likely to be underestimated. Therefore, when examining the statistics for a particular species, it should be noted that an unknown proportion of the production for that species might have been reported by the national office under the generic, family or order name of the species, or even more roughly as 'fishes not identified'. Consequently, species item totals frequently underestimate the real production of the individual species.

Where necessary, any data published in previous releases of this dataset have been revised. Where the figures in the current release differ from those previously published, the amended data represent the most recent version. Some statistics provided to FAO by national offices, in particular those for the last year, are provisional and may be amended in future editions.

Prepared by the Statistics and Information Branch, Fisheries and Aquaculture Department, FAO, on the basis of information available as of 31 December 2019.

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Figures flagged with 'E' corresponds to FAO estimate from available sources of information.

Aquaculture productionContact person/organisation

OECD statistics contact: TAD.contact@oecd.org

Direct source

FAO. 2019. Fishery and Aquaculture Statistics. Global capture production 1950-2017 (FishstatJ). In: FAO Fisheries and Aquaculture Department [online]. Rome. Updated 2019.

FishStatJwww.fao.org/fishery/statistics/software/fishstatj/en
Unit of measure used

Production of fish, crustaceans and molluscs is expressed in live weight, that is the nominal weight of the aquatic organisms at the time of capture. The harvest of aquatic plants is given in wet weight. Quantities are given in tonnes (=1000 kg). The value of aquaculture, expressed at current prices and converted from local currencies, is reported in US dollars using FAO exchange rates.

Periodicity

The annual period used is the calendar year (1 January - 31 December), with the exceptions of data for some countries for which a split-year is used. Split-year data are shown under the calendar year in which the split-year ends.

Statistical population

The statistical population is the group of OECD members, plus some partner countries (non OECD members).

In order to facilitate analysis and comparisons over time, historical data for OECD members have been provided over as long a period as possible, often even before a country became a member of the Organisation.

Information on the membership dates of all OECD countries can be found at OECD Ratification Dates.

OECD Ratification Dateshttp://www.oecd.org/about/membersandpartners/list-oecd-member-countries.htm
Key statistical concept

Aquaculture is the farming of aquatic organisms including fish, molluscs, crustaceans and aquatic plants. Farming implies some form of intervention in the rearing process to enhance production, such as regular stocking, feeding, protection from predators, etc. Farming also implies individual or corporate ownership of the stock being cultivated. For statistical purposes, aquatic organisms which are harvested by an individual or corporate body which has owned them throughout their rearing period contribute to aquaculture while aquatic organisms which are exploitable by the public as a common property resource, with or without appropriate licenses, are the harvest of fisheries.

The methodological reference document for fisheries and aquaculture statistics is the CWP Handbook of Fishery Statistics.

Definition of aquaculture statisticshttp://www.fao.org/cwp-on-fishery-statistics/handbook/aquaculture-statistics/en/CWP Handbook of Fishery Statisticshttp://www.fao.org/cwp-on-fishery-statistics/handbook/en/
Classification(s) used

Fish, crustaceans, molluscs and all other aquatic organisms included in the database have been classified according to approximately 622 commercial species items, further arranged within the 50 groups of species constituting the nine divisions of the FAO International Standard Statistical Classification of Aquatic Animals and Plants (ISSCAAP). Starting with the March 2002 release, data included in this dataset reflect a revision of the ISSCAAP groups. This revision affected names and species attribution of groups 33, 34 and 37 of the Marine Fishes division. The taxonomic code descriptors are taken from the " ASFIS list of species for fishery statistics purposes".

Standard ISO 3-alpha codes are used for countries and currencies.

ASFIS list of species for fishery statistics purposeshttp://www.fao.org/fishery/collection/asfis/enInternational Standard Statistical Classification of Aquatic Animals and Plants (ISSCAAP)http://www.fao.org/tempref/FI/DOCUMENT/cwp/handbook/annex/AnnexS2listISSCAAP2000.pdfInternational Organization for Standardizationhttp://www.iso.org/iso/home.html
Recommended uses and limitations

Figures flagged with 'E' corresponds to FAO estimate from available sources of information.

Quality comments

Several countries still report their aquaculture production by large groups of species. In these circumstances the data presented by individual species items are likely to be underestimated. Therefore, when examining the statistics for a particular species, it should be noted that an unknown proportion of the production for that species might have been reported by the national office under the generic, family or order name of the species, or even more roughly as 'fishes not identified'. Consequently, species item totals frequently underestimate the real production of the individual species.

Where necessary, any data published in previous releases of this dataset have been revised. Where the figures in the current release differ from those previously published, the amended data represent the most recent version. Some statistics provided to FAO by national offices, in particular those for the last year, are provisional and may be amended in future editions.

Prepared by the Statistics and Information Branch, Fisheries and Aquaculture Department, FAO, on the basis of information available as of 31 December 2019.