Annual catch of tuna, tuna-like and shark species in the Indian Ocean (1950-2015) aggregated by FAO zone (IOTC level 0)

This dataset lists catch of tuna, tuna-like and shark species from the Indian Ocean Tuna Commission (IOTC)from 1950 to 2015. Catches are stratified by year, species, fishing gear, vessel flag reporting country, area (FAO areas). It corresponds to the IOTC nominal catch (task1) dataset.

This dataset was downloaded on the IOTC website. It was then restructured to be in line with the Sardara database structure (columns normalization, names, etc.). However the content of data and the code lists were kept exactly as their are available in the source dataset.

The description below (caracteristics, specific issues and problems that need to be taken into account) is extracted from the IOTC web page where the dataset has been downloaded.

Caracteristics, specific issues and problems that need to be taken into account :

Note that the catch estimates in this data file differ from the 'best scientific estimates' of nominal catch used for stock assessment purposes and published on the dedicated meeting pages for each the IOTC Working Party. The best scientific estimates disaggregates catches recorded under species or gear aggregates recorded in the IOTC database reported by countries, which are then assigned by species or gear when the Secretariat has access to alternate sources of information such as statistical publications, fishery bulletins or other information.For this reason, catches by individual species or gear published on the IOTC meeting pages may differ from the nominal catches available from the data file available here.

Catches for 2015 are preliminary

Dataset extent

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  • indian_ocean_nominal_catch_1950_01_01_2015_01_0 ...

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  • indian_ocean_nominal_catch_tunaatlasIOTC_level0 ...

    Data Structure Definition (ISO 19110)

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Additional Info
Field Value
access_constraints []
bbox-east-long 150.000000271012
bbox-north-lat 30.5191630609638
bbox-south-lat -55.0000000163537
bbox-west-long 29.9999995431941
contact-email ird@ird.fr
coupled-resource
[]
dataset-reference-date
[{"type": "revision", "value": "2018-02-06"}]
frequency-of-update annually
graphic-preview-description Thumbnail from WMS / Geoserver
graphic-preview-file https://geoserver-tunaatlas.d4science.org/geoserver/wms?service=WMS&version=1.3.0&request=GetMap&layers=tunaatlas:bathymetry,tunaatlas_iotc:indian_ocean_nominal_catch_tunaatlasIOTC_level0_aggregated,tunaatlas:continent&styles=&bbox=-55.0000000163537,29.9999995431941,30.5191630609638,150.000000271012&width=768&height=768&srs=EPSG:4326&format=image/png
graphic-preview-type WWW:LINK-1.0-http--link
GUID indian_ocean_nominal_catch_tunaatlasIOTC_level0
licence []
metadata-date 2018-02-06T16:17:27
metadata-language eng
point_of_contact 1 IRD -, ird@ird.fr
point_of_contact 2 Fiorellato Fabio, fabio.fiorellato@iotc.org
progress tentative
resource-type dataset
responsible-party
[{"name": "Institut de recherche pour le d\u00e9veloppement (IRD)", "roles": ["publisher"]}, {"name": "Indian Ocean Tuna Commission (IOTC)", "roles": ["originator"]}]
spatial {"type": "Polygon", "coordinates": [[[29.9999995432, -55.0000000164], [150.000000271, -55.0000000164], [150.000000271, 30.519163061], [29.9999995432, 30.519163061], [29.9999995432, -55.0000000164]]]}
spatial-data-service-type OGC Web-Service
spatial-reference-system
spatial_harvester true
system:type Dataset
temporal-extent-begin 1950-01-01T00:00:00
temporal-extent-end 2016-01-01T00:00:00
topic_category
Management Info
Field Value
Author Indian Ocean Tuna Commission (IOTC),Observatory of Exploited Tropical Pelagic Ecosystems, MARBEC Research Unit 248, IRD,IRD, UMR MARBEC & COI,FAO - Fisheries and Aquaculture Department (FI). Fisheries and Aquaculture Policy and Resources Division (FIA)
Maintainer bluebridge_catalogue_one
Last Updated 15 September 2020, 15:10 (CEST)
Created 15 September 2020, 15:10 (CEST)