Aquaculture production by species (fish_aq)

Reference Metadata in Euro SDMX Metadata Structure (ESMS)

Compiling agency: Eurostat, Statistical Office of the European Union


Eurostat metadata
Reference metadata
1. Contact
2. Metadata update
3. Statistical presentation
4. Unit of measure
5. Reference Period
6. Institutional Mandate
7. Confidentiality
8. Release policy
9. Frequency of dissemination
10. Accessibility and clarity
11. Quality management
12. Relevance
13. Accuracy
14. Timeliness and punctuality
15. Coherence and comparability
16. Cost and Burden
17. Data revision
18. Statistical processing
19. Comment
Related Metadata
Annexes (including footnotes)



For any question on data and metadata, please contact: EUROPEAN STATISTICAL DATA SUPPORT

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1. Contact Top
1.1. Contact organisation

Eurostat, Statistical Office of the European Union

1.2. Contact organisation unit

E1: Agriculture and fisheries

1.5. Contact mail address

5 rue Alphonse Weicker

2920 Luxembourg LUXEMBOURG


2. Metadata update Top
2.1. Metadata last certified 27/10/2018
2.2. Metadata last posted 27/10/2018
2.3. Metadata last update 02/05/2019


3. Statistical presentation Top
3.1. Data description

Aquaculture, also known as aquafarming, refers to the farming of aquatic (freshwater or saltwater) organisms, such as fish, molluscs, crustaceans and plants, for human use or consumption, under controlled conditions. Aquaculture implies some form of intervention in the natural rearing process to enhance production, including regular stocking, feeding and protection from predators. Farming also implies individual or corporate ownership of, or contractual rights to, the stock being cultivated.

European data on the quantity of aquaculture production, in tonnes life weight (TLW), have been recorded since 1950 [fish_aq_q]. Since 1984, data on the total value of the production in Thousand Euro are also available [fish_aq_v]. With the entry into force of the new Regulation (EC) No 762/2008 on the submission of aquaculture statistics aquaculture production data are collected and disseminated annually in 5 tables:

  •  Aquaculture production at first sale for human consumption (excluding hatcheries and nurseries)  by species, by FAO major area, by cultivation method, by aquatic environment in TLW (tonnes live weight), in Euro and Euro/TLW (fish_aq2a:). 
  •  Production of fish eggs (roe) at first sale for human consumption  by species, by FAO major area, by aquatic environment in TLW, Euro and Euro/TLW (fish_aq2b).
  • Input to capture-based aquaculture, i.e. wild seed, by species in TLW, Euro and Euro/TLW (fish_aq3).
  • Production of fertilised eggs at first sale for further on-growing or release to the wild by species in Millions (fish_aq4a).
  • Production of juveniles at first sale for further on-growing or release to the wild by species in Millions (fish_aq4b)

 According to Regulation (EC) No 762/2008, aquaculture production means the output from aquaculture at first sale intended for human consumption. Non-commercial aquaculture is thus not accounted for. Moreover, aquaculture production of aquarium and ornamental species is excluded as well as production for industrial, functional or research purposes.

Every three years, these data are complemented by data on the structure of the aquaculture sector by species group, FAO major area, production method, aquatic environment in hectares, 1000 cubic metres or metres (fish_aq5).

Data are submitted by all Member States of the European Economic Area (EU Member States and EFTA countries) by the 31st of December for the preceding year. They are compiled by the respective competent authorities of the Member States, usually either the National Statistical Institute or the Ministry of Agriculture. EEA Member States do also provide three annual data on the structure of the aquaculture sector and annual methodological reports of the national systems for aquaculture statistics with details on the respective national data collection and data quality.

3.2. Classification system

The following variables are recorded with regard to aquaculture production:

Reference Year [TIME]

Reporting country [GEO] identified by ISO 3166-1 code.

Species [SPECIES] identified by its English and scientific name and a 3-alpha code. The 3-alpha identifier is a unique code made of three letters that is widely used for the exchange of data with national correspondents and among fishery agencies. The full list of these codes together with the English, French, Spanish and Scientific names may be found in the ASFIS file on the FAO website. The species are aggregated into species groups following the ISSCAAP classification ('International Standard Statistical Classification for Aquatic Animals and Plants') which divides commercial species into 50 groups on the basis of their taxonomic, ecological and economic characteristics. The ISSCAAP groups range from 1 Freshwater fishes to 9 Aquatic plants with further subdivision from 11 Carps, barbels and other cyprinids to 94 Miscellaneous aquatic plants. At Eurostat, these species groups are identified by the codes F10 to F94, and have been complemented by F00 (total of all species), F01, F08, F04, F07 and F02 (see Annex).

Production method [AQUAMETH] - The production methods used in the tables are listed and defined in Annex I of Regulation (EC) No 762/2008. They include ponds, tanks and raceways, enclosures and pens, cages and recirculation systems. For molluscs, on-bottom and off-bottom systems may also be reported.

Production area [ FISHREG] - For statistical purposes, 27 major fishing areas have been internationally established, the so called FAO Major Fishing Areas, comprising 8 inland areas and 19 marine fishing areas. European aquaculture production is recorded in the areas 27 'Northeast Atlantic', 37 'Mediterranean and Black Sea' and 5 'European inland waters'. A tiny production is also recorded for area 1 'African inland waters' for the Canarian Islands. The production areas 10 'Marine areas' (including area 27 and 37), 9 'Total inland waters' (including areas 5 and 1) and 0 'Total all production areas' (27 + 37 + 5 + 1) are aggregates built on the existing areas

Aquatic environment [AQUAENV] - The aquatic environment distinguishes the water types fresh water (FRW), sea water (SEA) and brackish water (BRK). From 2013, the distinction of brackish water has been abolished. Brackish and sea water are henceforth recorded as salt water (SBW).



Annexes:
Structure of species aggregates
3.3. Coverage - sector

NAC classification: A3.2 - Aquaculture. The data cover the aquaculture sector from the point of view of farm-gate production available for human consumption. It is important to note that the production is accounted for at first sale. Thus, production for own consumption is not reported, nor eggs and hatchlings produced for on-growing on the same farm without selling. An exception from the "for human consumption" criteria is being made since the reference year 2016 for aquatic plants, which are included regadless of their final use.

3.4. Statistical concepts and definitions

The concepts, definitions and classifications used in the compilation of European aquaculture production data are those developed by the Coordinating Working Party on Fishery Statistics and available in the Handbook of Fishery Statistical Standards.

Species [SPECIES] - FAO maintains the ASFIS List of Species for Fishery Statistics Purposes. Using this list, all species are identified by an internationally assigned three letter code (e.g. SAL = Atlantic salmon). In some cases, a species group n.e.i. (not elsewhere identified) is used to aggregate certain species. Systematic aggregates are build using the ISSCAAP classification (see classification systems).

Aquatic environment [AQUAENV] - Three aquatic environments are distinguished:

"Freshwater" (FRW) applying to waters of rivers, streams, lakes, ponds and other enclosures where the water has a constant negligible salinity.

"Sea water" (SEA), also referred to as salt water, applying to waters where the salinity is high and not subject to significant variation. The term "sea water" may be inappropriate as the salinity may be of artificial origin.

"Brackish water" (BRK) applying to waters where the salinity is appreciable but not at a constant high level. The salinity may be subject to considerable variation due to the influx of fresh or sea waters.

For the more recent data, the production in Sea water (SEA) and Brackish water (BRK) have been added to the aggregate SBW - Sea and Brackich water.

Production area [FISHREG] - refers to the FAO Major Fishing Areas, comprising 8 inland areas and 19 marine fishing areas. Relevant for European aquaculture production data are:

27 Atlantic, Northeast  
37 Mediterranean and Black Sea
5 Inland waters, Europe
1 Inland waters, Afrcia

Production methods [AQUAMETH] - ‘Ponds’ means relatively shallow and usually small bodies of still water or water with a low refreshment rate, most frequently artificially formed, but can also apply to natural pools, tarns, meres or small lakes.

‘Tanks and raceways’ means artificial units constructed above or below ground level capable of high rates of water interchange or with a high water turnover rate and highly controlled environment but without water recirculation.

‘Enclosures and pens’ means areas of water confined by nets, mesh and other barriers allowing uncontrolled water interchange and distinguished by the fact that enclosures occupy the full water column between substrate and surface; pens and enclosures generally enclose a relatively large volume of water.

‘Cages’ means open or covered enclosed structures constructed with net, mesh or any porous material allowing natural water interchange. These structures may be floating, suspended or fixed to the substrate but still permitting water interchange from below.

‘Recirculation systems’ means systems where the water is reused after some form of treatment (e.g. filtering).

Intended use [DEST] - This variable is recorded for the production of eggs and juveniles which are not intended for direct human consumption, but are either ‘Released to the wild’, meaning the intentional release for the restocking of rivers, lakes and other waters other than for aquaculture purposes. These releases may then be available for capture by fishing operations. Or: ‘Transferred to a controlled environment’, meaning the intentional release for further aquaculture practices. However, reporting of the intended use is voluntary and not always provided.

Unit [UNIT] - Data for the volume of the production are expressed in tonnes live weight [TLW] of the product. This weight includes all shells and bones. Data for the economic value of the production are expressed in Euro. An automatic conversion from National Currencies to the Euro is performed where applicable. The production of hatcheries and nurseries is reported in numbers and expressed in millions. Data on the structure of the aquaculture sector are expressed in thousand cubic metres, hectares or, optionally, 'metres rope length' according to the method.

3.5. Statistical unit

The basic statistical units are the production facilities of the aquaculture enterprises. Although these records are available to the national authorities, only the national aggregates are submitted to the international organisations and are made available in this database.

3.6. Statistical population

All active commercial aquaculture production facilities of EEA Member States. "Active" means that a facility has been used for aquaculture production any time during the reference year. "Commercial" means that off-farm aquaculture products have been sold.

3.7. Reference area

Regulation (EC) No 762/2008 on the submission of aquaculture statistics has EEA relevance, thus the EU Member States plus Norway and Iceland are obliged to report their aquaculture production. However, Luxembourg has no commercial aquaculture production. In addition, Turkey and Serbia submit data to Eurostat.

3.8. Coverage - Time

Data for the volume of the production are available from 1950 onwards, data for its economic value from 1984 onwards.

Since 2008 the aquaculture production of hatcheries and nurseries (eggs and juveniles), the input to capture based aquaculture and data on the structure of the aquaculture sector are recorded.

The deadline for national data submissions to Eurostat is the 31st of Decembre (N+1) following the reference year (N). Data are collected and disseminated annually except in the case of data on the structure of the aquaculture sector,which are due every three years (for reference years 2008, 2011, 2014 etc.). For the years 2008-2011 a number of countries were derogated from complying fully with Regulation (EC) No 762/2008 and did provide no data or only aggregate data.

3.9. Base period

Not applicable.


4. Unit of measure Top

- The production volume is expressed in tonnes live weight [TLW] of the product. This weight includes all shells and bones. It is meant as wet weight for aquatic plants.

- Prices are reported as average price per unit in the national currency [NAC_T/TLW] and converted to [EUR/TLW]. Average prices are built either for a certain species and cultivation method, or only by species.

- The economic value of the production in [EUR] is calculated by multiplying the mean price with the quantity produced.

- The production of hatcheries and nurseries (excluding eggs for human consumption) is reported in numbers and expressed in millions. Until the reference year 2012, a few countries measured the production of eggs and juveniles in weight instead of numbers at first sale and converted into numbers using an approximate conversion factor.

- The input to capture-based aquaculture is reported in tonnes live weight [TLW]. A few countries, like Denmark, measure eggs from the wild in numbers and convert to weight.

- Data on the structure of the aquaculture sector are expressed in thousand cubic metres [1000 m3], hectares [ha] or 'metres rope length' [m] according to the method.


5. Reference Period Top

Calendar year.


6. Institutional Mandate Top
6.1. Institutional Mandate - legal acts and other agreements

Regulation (EC) No 762/2008 of the European Parliament and of the Council of 9 July 2008, on the submission by Member States of statistics on aquaculture and repealing Council Regulation (EC) 788/96.

These legislative acts are EEA relevant: that is, they apply to EU Member States and EFTA countries except Switzerland. In fisheries context this means that they apply to the EU28, Iceland and Norway.

6.2. Institutional Mandate - data sharing

Under the Coordinating Working Party on Fishery Statistics common concepts and definitions are elaborated. Subsequently, Eurostat uses and maintains common fisheries and aquaculture code lists for the species and production areas with the Food and Agriculture Organisation of the United Nations (FAO).


7. Confidentiality Top
7.1. Confidentiality - policy

Regulation (EC) No 223/2009 on European statistics (recital 24 and Article 20(4)) of 11 March 2009 (OJ L 87, p. 164) stipulates the need to establish common principles and guidelines ensuring the confidentiality of data used for the production of European statistics.

7.2. Confidentiality - data treatment

Data which are confidential (Regulation (EC) No 223/2009 on European statistics) are not disseminated by Eurostat. In the Eurostat database these values are marked with C-flag. All aggregates, both national and EU-level, containing these figures are also confidential.

To make at least some national aggregates available to data users, despite underlying confidential data which may not be disclosed, from the reference year 2014, countries have been asked to report non-confidential national totals on a voluntarty basis. These non-confidential totals are then disseminated by Eurostat.

In addition, details on the production method, which would introduce confidentiality, may be hidden by declaring the production method as 'NSP' - 'not specified'. 

From the reference year 2016, small confidential production volumes may be hidden by declaring them as 'not significant' (flag 'n').

 


8. Release policy Top
8.1. Release calendar

The deadline for national data submissions to Eurostat is the 31st of Decembre (N+1) following the reference year (N).

The release calendar for agriculture and fisheries data foresees the dissemination of aquaculture statistics by mid-February for all data of good quality received on time.

8.2. Release calendar access

Not available.

8.3. Release policy - user access

In line with the Community legal framework and the European Statistics Code of Practice Eurostat disseminates European statistics on Eurostat's website respecting professional independence and in an objective, professional and transparent manner in which all users are treated equitably. The detailed arrangements are governed by the Eurostat protocol on impartial access to Eurostat data for users.


9. Frequency of dissemination Top

New data are collected and disseminated annually except in the case of data on the structure of the aquaculture sector which are due every three years.


10. Accessibility and clarity Top
10.1. Dissemination format - News release

Occasional ad-hoc press releases.

10.2. Dissemination format - Publications

Aquaculture statistics are included in the Statistical book on agriculture, forestry and fishery statistics.

Aquaculture figures are also regularly updated in Statistics Explained (http://ec.europa.eu/eurostat/statistics-explained/index.php/Fishery_statistics_in_detail).

10.3. Dissemination format - online database

Please consult free data on-line: http://ec.europa.eu/eurostat/data/database

10.4. Dissemination format - microdata access

Not applicable.

10.5. Dissemination format - other

Not applicable

10.6. Documentation on methodology

The methodological framework used in the compilation of these data is the one developed by the Coordinating Working Party on Fishery Statistics and is available in the Handbook of Fishery Statistical Standards.

10.7. Quality management - documentation

Methodological reports on aquaculture data are provided annually by the EEA Member States. Every three years (2011, 2014, 2017, ...) an evaluation report from the Commission to the European Parliament and the Council is provided based on Article 11 of regulation (EC) 762/2008. The latest report was published in 2017. The previous report was published in 2015.


11. Quality management Top
11.1. Quality assurance

At the national level, quality checks are performed before submitting data to Eurostat. These are described in the national quality reports.

At Eurostat, the following data checks are performed before publishing any data:

  • Existence of codes (against dictionaries);
  • Duplicate records;
  • Missing data;
  • Comparability of data with previous years (outlier detection);
  • Species being reported for the first time by a country;
  • Sensible combinations of species, environment and production method.

Any doubts are clarified with the national data provider. If necessary, data revisions are carried out anytime during the year.

11.2. Quality management - assessment

The reliability of the data is highly dependant on the quality of the submissions by the national authorities. An assessment of the quality of European data has been performed in 2017 for the Report from the Commission to the European Parliament and the Council on aquaculture statistics, 2017. Previous assessments were performed in 2014 (Report from the Commission to the European Parliament and the Council on the submission of statistics on aquaculture, 2015) and in 2011 for the Report from the Commission to the European Parliament and the Council on aquaculture statistics, 2011.

The majority of data providers report comprehensive coverage of the industry and good data quality. During the first 2-3 years of data being collected in compliance with the new Regulation (EC) 762/2008 (2008-2010) a few countries highlighted specific issues with data quality, in particular with regard to the production of hatcheries and nurseries and the size of aquaculture facilities, but also capture based input to aquaculture. However, continuous improvements have been made.

Overall at the aggregate level the consistency of data between years appears to be good. However, at the more detailed level of species by production method, inconsistencies are frequently found, in particular for the first years of Regulation (EC) 762/2008. Data on the production of fish eggs for human consumption (fish roe and caviar production) are missing in some cases where there is anecdotal evidence that such production exists. Prices are often unavailable for wild seed (capture based input to aquaculture). The publication of data on the size of facilities has temporarily been suspended due to several shortcomings.


12. Relevance Top
12.1. Relevance - User Needs

Main users of the data are other Directorates General of the European Commission, mainly DG MARE and the Joint Research Centre (JRC). In the frame of the Common Fisheries Policy (CFP), European aquaculture statistics are used by DG MARE to assess the development of the European aquaculture sector and contribute to the European Market Observatory for Fisheries and Aquaculture Products (EUMOFA). Data of hatcheries and nurseries, and on the size of facilities, shall help forecast future production. Data on the capture based input to aquaculture may hint to impacts on wild aquatic populations.

FAO and OECD use European aquaculture production data published by Eurostat to complement own data. The World Trade Organisation uses the data for its trade policy review.

European aquaculture statistics are also used by national administrations, national statistical institutes (NSIs) and research institutes, besides the press and the public in general.

12.2. Relevance - User Satisfaction

Eurostat is in continuous dialogue with DG MARE, JRC, FAO, OECD and other data users to ensure that the data are fulfilling the main user needs.

12.3. Completeness

The main dataset 'aquaculture production by species' (fish_aq2a) is fairly complete. Quality and completeness have improved considerably from the reference year 2012 onwards. However, valid unit prices and some species are missing from some countries.

Data on the production of fish eggs for human consumption (roe and caviar production, fish_aq2b) are missing in some cases where there is anecdotal evidence that such production exists. Completeness of this dataset is also hampered by some methodological issues encountered in the countries.

Data on the input to capture-based aquaculture (fish_aq3) frequently lack unit prices. This is because the data set assembles data on seed fish collected from the wild. Aquaculture facilities that catch seed fish themselves instead of buying it, often find it difficult to estimate a price.

Some data gaps are also found for the production from hatcheries and nurseries (fish_aq4a and fish_aq4b). This is often due to a volatile production of species for which production volumes are very low.


13. Accuracy Top
13.1. Accuracy - overall

Data on aquaculture production are collected through census by all countries except Iceland, using the aquaculture production business register as sample frame and covering the total population in most cases. Iceland obtains all data from the administrative registers of the Icelandic Food and Veterinary Authority. Spain complements its census of aquaculture facilities with a sample survey for Galician mussel production. Germany collects only production quantities through the census and calculates unit prices based on a sample survey of 10% of the statistical population. The Netherlands collect only data on oyster production through a census, while other production data are provided by the Dutch fish farmers organisation.

The census with complete coverage in almost all countries and a reportedly low non-response rate (except in a few cases) suggest that the accuracy of the main aquaculture production volume is fairly high. It needs to be acknowledged though that the quality and completeness of data depend strongly on the goodwill of the industry. As such, some data provided by the Dutch fish farmers organisation are quite rough, and likewise data on freshwater aquaculture provided by the French industry.

The economic value is provided as a national average price per tonne and sometimes estimated based on the general market price. These prices show a large variation from year to year and from country to country.

A few Member States (e.g. DK) report a collection of data on the level of the enterprises rather than the single production units. Details of the production environment (water) and method are then derived from splitting the overall production of the enterprise in proportion to the size of production units.

As regards the production of hatcheries and nurseries at first sale, the accuracy is lower due to the rather broad definition of "juveniles" and the use of weight to number conversion factors by some countries (e.g. DK and IS) during the first years.

It is important to note that "production" in the sense of regulation (EC) 762/2008 refers to the volume and value at first sale, which is only a proxy for real production, excluding for example any state owned production for restocking of lakes and rivers (as long as not sold to anyone) or production for own consumption.

In cases where individual data of a country are confidential, the total production is provided by the country on a voluntary basis. These totals may be rounded and thus differ slightly from the sum of detailed data. In rare cases, the total may be larger than the sum of details where small confidential quantities have been omitted from the detailed data such as not to introduce confidential cells.

13.2. Sampling error

Sample surveys are only used in Germany to estimate unit prices and in Spain to estimate the quantity and value of mussel production in Galicia. The coefficient of variation for the sampling error ranged between 3 and 5.5% for the different data sets in Germany and was indicated as 0.1% by Spain (reference year 2015).

13.3. Non-sampling error

The bias introduced due to non-response is judged non-existent or insignificant by almost all countries, although non-response was indicated to be the main factor lowering the accuracy. For the reference year 2015, only Croatia, France and Romania indicated high non-response rates of >20% for the main aquaculture production data set. Most countries having issues with missing values, impute all or some of these values, most often based on the same unit in the time series, but also based on other similar units. (Romania and Croatia do not impute any missing values.)

Coverage errors are neglectable. Some very small enterprises are excluded in Austria whereas over-coverage may occur in some UK regions, due to the inclusion of non-commercial enterprises.

Misclassification errors of species or methods are reported to be rare and have little impact on the data. However, Iceland reports misclassification errors for the size of facilities.


14. Timeliness and punctuality Top
14.1. Timeliness

The deadline for submitting aquaculture data to Eurostat is 12 months after the end of the reference year.

14.2. Punctuality

Most Member States comply with the deadline and data are then processed and disseminated (if not confidential). A few cases require considerably more time due to quality issues or non compliance. Extreme cases have taken more than a year from the submission deadline.


15. Coherence and comparability Top
15.1. Comparability - geographical

As regards the statistical process geographical comparability is given. With regard to the data: For many species, the price per unit of production shows a large variation from year to year and from country to country. Moreover, countries tend to focus their aquaculture production on a few main species each, although  about 140 different species were farmed in aquaculture in 2015 in the EEA. This makes it rather difficult to compare production data between countries.

15.2. Comparability - over time

In most cases data are comparable over time. However, for some countries, the reporting of species by cultivation method is highly inconsistent over the years: This means the total production at species level is usually quite stable over the years, but the reported production methods are not.

15.3. Coherence - cross domain

Not available.

15.4. Coherence - internal

The aquaculture production statistics are based on concepts and definitions laid down by the Coordinating Working Party on Fishery Statistics (CWP) and are therefore coherent with FAO and other international aquaculture statistics.


16. Cost and Burden Top

The ESS carried out a cost analysis of European statistical products. Cost estimates for aquaculture statistics were received from 20 Member States. The average annual cost of national data collection was approximately EUR 66 000, or an average of 0.18 % of the total value of aquaculture production.

The vast majority of countries cover also national needs as well as reports requested by FAO, OECD and GFCM with the aquaculture data collected under Regulation (EC) No 762/2008.


17. Data revision Top
17.1. Data revision - policy

There is no fixed timetable for revisions to the database. Revisions may occur at any time when new or updated data are available.

17.2. Data revision - practice

Eurostat requests data revisions from national data providers whenever mistakes in Eurostat's database are found. Revised data may be published anytime during the year for any reference year.


18. Statistical processing Top
18.1. Source data

Data on the weight and economic value of aquaculture production are submitted by the national authorities under the terms of Regulation (EC) no 762/2008 on the submission by Member States of statistics on aquaculture production. This regulation applies to Member States of the European Economic Area (EEA). In the fisheries context this means that they apply to the EU Member States, Iceland and Norway. (However, Luxembourg has no commercial aquaculture production.) In addition, data are received from Turkey and Serbia.

In Table 1 the organizations responsible for transmitting data on aquaculture statistics are listed for each of the concerned Member States.

Table 1: National institutions responsible for transmitting data on aquaculture statistics

Country

Responsible Organization

Austria Statistics Austria
Belgium Statistics Belgium
Bulgaria National Agency for Fisheries and Aquacultures (NAFA)
Croatia Ministry of Agriculture, Directorate of Fisheries
Cyprus Ministry of Agriculture, Natural Resources and Environment
Czech Republic Czech Statistical Office
Denmark The Danish Agrifish Agency
Estonia Statistics Estonia
Finland Luke, Natural Resources Institute Finland
France Ministère de la transition écologique et solidaire
Germany Statistisches Bundesamt (Destatis)
Greece Hellenic Statistical Authority
Hungary Hungarian Central Statistical Office
Ireland Irish Sea Fisheries Board
Italy The Ministry of Agricultural, Food and Forestry Policies
Latvia Ministry of Agriculture
Lithuania State Enterprise Agricultural Information and Rural Business Centre
Malta National Statistics Office
The Netherlands Statistics Netherlands
Poland Ministry of Agriculture and Rural Development
Portugal Directorate General for Natural Resources, Safety and Maritime Services
Romania National Agency of Fisheries and Aquaculture
Slovakia Statistical Office of Slovakia
Slovenia Statistical Office of the Republic of Slovenia
Spain Ministry of Agriculture, Food and Environment
Sweden Statistics Sweden
United Kingdom Centre for Environment, Fisheries and Agriculture Science (CEFAS)
Iceland Statistics Iceland
Norway The Norwegian Directorate of Fisheries
Turkey Turkish Statistical Institute
Serbia Statistical Office of the Republic of Serbia
18.2. Frequency of data collection

Annual for production data, every three years for structural data.

18.3. Data collection

In the majority of Member States data are collected through complete census of registered aquaculture producers using annual postal or electronic questionnaires. The registration of aquaculture production businesses is a requirement of the EU animal health legislation [*]. Non response rates are reported to be low in most Member States and it is relatively simple for authorities to follow up data providers. Some Member States report making use of administrative information from industry sources. Collaboration between veterinary offices and fisheries departments in cross checking register details and returns occurs in a number of countries.


[*] Council Directive 2006/88/EC of 24 October 2006 on animal health requirements for aquaculture animals and products thereof, and on the prevention and control of certain diseases in aquatic animals (OJ L 328, 24.11.2006) and Commission Decision of 30 April 2008 implementing Council Directive 2006/88/EC as regards an Internet-based information page to make information on aquaculture production businesses and authorised processing establishments available by electronic means (OJ L 138, 28.5.2008, p. 12–20).

18.4. Data validation

Data are validated both at national and at European level. See 11.2 Quality assurance.

18.5. Data compilation

The data sent by the National Authorities are processed within Eurostat's internal production environment. EU aggregates are compiled automatically. No imputations of missing data are taking place.

18.6. Adjustment

Not applicable.


19. Comment Top

No comment.


Related metadata Top
fish_ca_esms - Catches by fishing area


Annexes Top
Structure of species aggregates
Handbook of Aquaculture Statistics (2018)