OTC tagged tuna

For growth and age study, some tunas received an injection of Oxy-TetraCycline (OTC) an antibiotic commonly used for this type of study. To differentiate them from the normal tagged tunas that bear one or two yellow dart tags, a white tag was used on these fish. Altogether, 5,944 tuna have received a white tag or 3.5 % of the total. The species composition of the OTC tagged tuna is given in table 3 and figure 5c. We put more emphasis on YFT and BET because 1) they are our priority species and 2) otolith reading of SKJ has not proven yet their efficiency for estimating the age. We used two different tag sizes: 11.5 and 14.5 m. Only 496 tuna were OTC tagged with 11.5 cm tags and 5488 with 14.5 cm tags. The smaller tags also have a smaller diameter: about 1 mm instead of 2 mm for the longer ones which might make them less easy to spot at recovery.

Dataset extent

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  • RTTP_workspace:trash_rttp_otc_tagged_tunaWMS

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Geonetwork Links
Field Value
GN_Metadata_Show http://geonetwork-iotcss3.d4science.org/geonetwork/srv/en/catalog.search#/metadata/trash_rttp_otc_tagged_tuna
GN_Metadata_Source http://geonetwork-iotcss3.d4science.org/geonetwork/srv/en/xml.metadata.get?uuid=trash_rttp_otc_tagged_tuna
GN_URL http://geonetwork-iotcss3.d4science.org/geonetwork
Additional Info
Field Value
access_constraints []
bbox-east-long 68.01666667
bbox-north-lat 20.85
bbox-south-lat -8.2
bbox-west-long 39.65
contact-email secretariat@iotc.org
[{"type": "revision", "value": "2018-11-30"}]
graphic-preview-description Thumbnail from WMS / Geoserver
graphic-preview-file http://geoserver-sdi-lab.d4science.org/geoserver/RTTP_workspace/wms?service=WMS&version=1.1.1&request=GetMap&layers=RTTP_workspace:world,RTTP_workspace:trash_rttp_otc_tagged_tuna&bbox=39.65,-8.2,68.01666667,20.85&TRANSPARENT=true&width=768&height=768&srs=EPSG:4326&format=image/png
graphic-preview-type WWW:LINK-1.0-http--link
GUID trash_rttp_otc_tagged_tuna
licence []
metadata-date 2018-11-30T15:00:04
metadata-language eng
point_of_contact 1 IOTC Secretariat, secretariat@iotc.org
point_of_contact 2 COI Secretariat, secretariat@coi-ioc.org
point_of_contact 3 IOTC Secretariat, secretariat@iotc.org
resource-type dataset
[{"name": "Commission de l'Oc\u00e9an Indien", "roles": ["originator"]}, {"name": "Indian Ocean Tuna Commission (IOTC)", "roles": ["publisher", "originator"]}]
{"type": "Polygon", "coordinates": [[[39.65, -8.2], [68.01666667, -8.2], [68.01666667, 20.85], [39.65, 20.85], [39.65, -8.2]]]}
spatial_harvester true
system:type Dataset
temporal-extent-begin 2006-04-25T00:00:00
temporal-extent-end 2007-08-18T00:00:00
Management Info
Field Value
Maintainer iMarine Catalogue Manager
Last Updated 9 September 2021, 18:05 (CEST)
Created 9 September 2021, 18:05 (CEST)