A collection of code lists modelling:
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Identifies the administrative reference data used in IOTC systems, including countries and entities, the list of Contracting Parties and Cooperating Non-Contracting Parties (CPCs), and the fleets associated with them
Reference codes modelling the flag / reporting country submitting a dataset to the IOTC Secretariat.
Reference codes modelling the entity submitting a dataset to the IOTC Secretariat. Generally corresponds to a country, but can also reference:
Reference codes modelling the fleets for / by which data have been submitted to the IOTC Secretariat.
A set of code lists used to model a vessel flag / data reporting country (typically, referenced by ISO-3 code), as well as several different types of irregular Indian Ocean areas of relevance, such as the main IOTC convention sub-areas, the National Jurisdiction Areas of the coastal States, and some irregular areas of statistical relevance at national or regional level (e.g., I.R. Iran coastal sub-areas, large-scale purse seine fishery statistical areas, stock assessment areas, etc.).
The centre coordinates and the ocean area in km2 of each irregular area or regular grid are calculated with respect to the fraction of the theoretical area (potentially overlapping with the mainland) that falls within the IOTC area of competence.
Reference codes modelling the (undisputed) areas of all countries.
These include the various irregular sub-areas in which the Indian Ocean can be subdivided, plus the various National Jurisdiction Areas (NJAs) within it, and any other irregular area defined (and used) for statistical purposes at national and regional level.
Reference codes modelling other important areas in which the Indian Ocean might be split (e.g., north-western Indian Ocean, etc.).
Reference codes modelling the two main areas in which the Indian Ocean is split (western / eastern Indian Ocean).
Reference codes modelling IO areas / sub-areas used for stock assessment purposes.
Reference codes modelling the coastal states’ areas under national jurisdiction which are constituted of their territorial waters, contiguous zone, and Exclusive Economic Zone (EEZ).
Reference codes modelling the statistical areas used by the French National Research Institute for Sustainable Development (IRD) and its collaborators to produce Indian Ocean purse seine catch estimates through the T3 process.
These include the various types of regular grids (generally with the same height and width, in degrees) in which the Indian Ocean can be subdivided. The adopted coding scheme is built on top of of the FAO / CWP areal grid system.
CWP areal grid system codes for all 1°x1° regular CWP grids that overlap - at least partially - with the Indian Ocean area.
Due to to the large size of the dataset, this is not included for filtering / browsing, but can be directly downloaded as a CSV from here: IO_GRIDS_01x01.
CWP areal grid system codes for all 5°x5° regular CWP grids that overlap - at least partially - with the Indian Ocean area.
CWP areal grid system codes for all 10°x10° regular CWP grids that overlap - at least partially - with the Indian Ocean area.
Custom codes for all 10°x20° grids that overlap - at least partially - with the Indian Ocean area.
CWP areal grid system codes for all 20°x20° regular CWP grids that overlap - at least partially - with the Indian Ocean area.
CWP areal grid system codes for all 30°x30° regular CWP grids that overlap - at least partially - with the Indian Ocean area.
This includes the irregular subdivisions in which the IOTC Area of Competence can be subdivided.
Reference codes modelling all important areas in which the IOTC area of competence might be split (e.g., north-western, high-seas, NJA, etc.).
Reference codes modelling the two main areas in which the IOTC area of competence is split (western / eastern IOTC area).
Reference codes modelling irregular areas within the IOTC area of competence for which coastal / artisanal fisheries data can be recorded and reported.
These include the various types of regular grids (generally with the same height and width, in degrees) in which the IOTC competence area can be subdivided. The adopted coding scheme is built on top of the FAO / CWP areal grid system.
CWP areal grid system codes for all 1°x1° regular CWP grids that overlap - at least partially - with the IOTC convention area.
Due to to the large size of the dataset, this is not included for filtering / browsing, but can be directly downloaded as a CSV from here: IOTC_GRIDS_01x01.
CWP areal grid system codes for all 5°x5° regular CWP grids that overlap - at least partially - with the IOTC convention area.
CWP areal grid system codes for all 10°x10° regular CWP grids that overlap - at least partially - with the IOTC convention area.
Custom codes for all 10°x20° grids that overlap - at least partially - with the IOTC convention area.
CWP areal grid system codes for all 20°x20° regular CWP grids that overlap - at least partially - with the IOTC Convention Area.
CWP areal grid system codes for all 30°x30° regular CWP grids that overlap - at least partially - with the IOTC Convention Area.
Codes for all 1°x1° and 5°x5° grids that overlap - at least partially - with the IOTC Convention Area.
Due to to the large size of the dataset, this is not included for filtering / browsing, but can be directly downloaded as a CSV from here: IOTC_GRIDS_CE_SF.
Codes for all 1°x1° and 5°x5° and areas of importance for coastal / artisanal fisheries that overlap - at least partially - with the IOTC Convention Area.
Due to to the large size of the dataset, this is not included for filtering / browsing, but can be directly downloaded as a CSV from here: IOTC_GRIDS_CE_SF_AR.
Details of the intersecting areas between IOTC irregular areas and regular grids (and vice versa).
These include:
Subset of all FAO statistical areas located in the Indian Ocean.
This includes:
Subset of all FAO statistical areas located in the Atlantic Ocean.
This includes:
Reference codes modelling all Regional Fishery Body (RFB) areas of relevance to the IOTC.
This includes:
Reference codes modelling all Regional Fishery Management Organisation (RFMO) areas of relevance to the IOTC.
This includes:
Reference codes modelling all Large Marine Ecosystems (LME) areas of relevance to the IOTC.