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Indian Ocean Tuna Commission
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25th Working Party on Tropical Tunas Meeting (WPTT25)

Meeting: 
Working Party on Tropical Tunas (WPTT)
Meeting year: 
2023
Meeting session: 
25
Date: 
Mon, 30/10/2023 (All day) to Sat, 04/11/2023 (All day)
Venue country/city: 
San Sebastian, Spain
Location: 
Hotel NH Aranzazu
Chairperson: 
Dr. Gorka Merino
Vice-Chairperson: 
Dr. Shiham Adam
Summary: 

Meeting Venue - NH Collection San Sebastián Aránzazu

Some rooms blocked with a special single room rate:
161,70€/night (VAT and breakfast included)
For reservations, please, send an e-mail to:
Asun Mutiloa ([email protected])
Booking reference: WORKING PARTY
Deadline for reservations: August 30

Deadlines: 
  • Meeting Participation Fund applications due 45 days before meeting starts (15 September 2023)
  • Paper titles  are due 30 days before the meeting starts (30 September 2023)
  • Full papers are due 15 days before the meeting starts (15 October 2023)

(all submissions should be sent to [email protected])

  • Français

Meeting information documents

Title File
Information document

Documents

Datasets
Reference Title Available on File
IOTC-2023-WPTT25(AS)-DATA03_Rev4 Retained catches by fleet, year, gear, IOTC area and species 17/10/2023
IOTC-2023-WPTT25(AS)-DATA04 Catch and effort data - vessels using drifting longlines 04/09/2023
IOTC-2023-WPTT25(AS)-DATA05_Rev1 Catch and effort data - surface fisheries 26/09/2023
IOTC-2023-WPTT25(AS)-DATA06_Rev1 Catch and effort data - vessels using other gears (e.g., gillnets, lines and unclassified gears) 16/10/2023
IOTC-2023-WPTT25(AS)-DATA07_Rev2 Catch and effort data - all vessels 16/10/2023
IOTC-2023-WPTT25(AS)-DATA08_Rev1 Catch and effort data - reference file 04/09/2023
IOTC-2023-WPTT25(AS)-DATA09_Rev1 Size frequency data - Bigeye tuna (BET) 16/10/2023
IOTC-2023-WPTT25(AS)-DATA10_Rev2 Size frequency data - Skipjack tuna (SKJ) 16/10/2023
IOTC-2023-WPTT25(AS)-DATA11_Rev2 Size frequency data - Yellowfin tuna (YFT) 16/10/2023
IOTC-2023-WPTT25(AS)-DATA12_Rev2 Size frequency data - reference file 16/10/2023
IOTC-2023-WPTT25(AS)-DATA13 Equations used to convert from fork length to round weight for tropical tunas species 06/09/2023
IOTC-2023-WPTT25(AS)-DATA14_Rev3 Skipjack tuna - stock assessment input data 18/10/2023
Meeting documents
Reference Title Available on File
IOTC-2023-WPTT25-01a Draft Agenda of the 25th Working Party on Tropical Tunas 06/10/2023
IOTC-2023-WPTT25-01b_Rev1 Draft Annotated Agenda of the 25th Working Party on Tropical Tunas 23/10/2023
IOTC-2023-WPTT25-02_Rev2 List of documents for the WPTT25 23/10/2023
IOTC-2023-WPTT25-03.1 Overview of Indian Ocean tropical tuna fisheries 22/10/2023
IOTC-2023-WPTT25-03.2 Review of Indian Ocean skipjack tuna statistical data 20/10/2023
IOTC-2023-WPTT25-04 Outcomes of the 27th Session of the Commission 12/10/2023
IOTC-2023-WPTT25-05 Plan of work (2023 - 2027) 12/10/2023
IOTC-2023-WPTT25-06 CPUE standardization of Skipjack tuna in Sri Lanka 16/10/2023
IOTC-2023-WPTT25-07 Updated Reproductive Biology of Skipjack Tuna in Northeastern Indian Ocean 16/10/2023
IOTC-2023-WPTT25-08 CPUE standardization for skipjack tuna of the EU purse-seine fishery on FOB in the Indian Ocean 16/10/2023
IOTC-2023-WPTT25-09 Indian Ocean Skipjack tuna stock assessment 1950-2022 16/10/2023
IOTC-2023-WPTT25-10 Evolution of age determination methods for three tuna species 16/10/2023
IOTC-2023-WPTT25-11 Age validation of yellowfin tuna in the Indian Ocean using post-peak bomb radiocarbon chronologies 16/10/2023
IOTC-2023-WPTT25-12 An investigation of the recruitment dynamics of Indian Ocean yellowfin tuna 16/10/2023
IOTC-2023-WPTT25-13_Rev2 Independent review of recent IOTC yellowfin tuna assessment 16/10/2023
IOTC-2023-WPTT25-14 Estimate populations dynamics of tropical tunas using ecosystem modelling in the Indian Ocean 16/10/2023
IOTC-2023-WPTT25-15 Recent Developments in the Maldives Pole and Line Tuna Fishery - Fleet Trends, Catch and Effort and Spatial Patterns 16/10/2023
IOTC-2023-WPTT25-16 Comparison between industrial and artisanal tuna fishery in Kenya 17/10/2023
IOTC-2023-WPTT25-17 Tropical tuna landings in Thai fishing ports during 2013 - 2022 17/10/2023
IOTC-2023-WPTT25-18_Rev1 Preliminary analysis of observer data on the presence of mesh in floating objects used by the French purse seine fleets in the Atlantic and Indian Oceans 18/10/2023
IOTC-2023-WPTT25-19 Understanding the impact of climate change on distribution shifts of the Indian Ocean bigeye tuna 18/10/2023
IOTC-2023-WPTT25-20 Updating the estimation of age and growth of yellowfin tuna in the Indian Ocean using otoliths 19/10/2023
IOTC-2023-WPTT25-21 Otolith stable isotopes suggest limited east to west connectivity of yellowfin tuna in the Indian Ocean 19/10/2023
IOTC-2023-WPTT25-22 Environmental signal in skipjack recruitment in the Indian Ocean: An updated analysis using the SS3-assessment outputs of 2023 23/10/2023
IOTC-2023-WPTT25-23 Bigeye Tuna (Thunnus obesus) connectivity in the Indian Ocean based on genome wide genetic markers 01/11/2023
IOTC-2023-WPTT25-24 Managing a multi-species fishery in distant waters: the case of the Spanish-flagged purse seine fishery targeting tropical tuna in the Indian Ocean 16/10/2023
Reference Documents
Reference Title Available on File
IOTC-2023-WPTT25-FAD_Form IOTC drifting FOB data collection form 06/10/2023
Information papers
Reference Title Available on File
IOTC-2023-WPTT25-INF01 Advances in the development age reading methods from fin spines and otoliths for Indian Ocean skipjack tuna 27/10/2023
IOTC-2023-WPTT25-INF02 Sensitivity analysis of the 2021 WPTT Indian Ocean yellowfin tuna stock assessment within Stock Synthesis 3 16/10/2023
IOTC-2023-WPTT25-INF03 Update on epigenetic ageing of tuna 16/10/2023
IOTC-2023-WPTT25-INF04 Joint Submission: Updated Indian Ocean Yellowfin Tuna Management Advice 19/10/2023
IOTC-2023-WPTT25-INF05 Review of Indian Ocean bigeye tuna statistical data 22/10/2023
IOTC-2023-WPTT25-INF06 Review of Indian Ocean yellowfin tuna statistical data 22/10/2023
IOTC-2023-WPTT25-INF07 Complementary information on the Associative Behavior-Based abundance Index (ABBI) for western Indian Ocean skipjack tuna (Katsuwonus pelamis) obtained from echosounder buoys data 30/10/2023
IOTC-2023-WPTT25-INF08 Responses of tuna stocks to temporal closures in the Indian Ocean 30/10/2023
IOTC-2023-WPTT25-INF09 Enhanced monitoring program for bigeye tuna catches: Preliminary results of pilot study and workplan 2023 01/11/2023
Meeting Report
Reference Title Available on File
IOTC-2023-WPTT25-R Report of the 25th Session of the IOTC Working Party on Tropical Tunas 01/12/2023

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