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Indian Ocean Tuna Commission
Indian Ocean Tuna Commission
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22nd Working Party on Tropical Tuna (WPTT22): Stock Assessment Meeting

Meeting: 
Working Party on Tropical Tunas (WPTT)
Meeting year: 
2020
Meeting session: 
2 202
Date: 
Mon, 19/10/2020 - 12:00 to Fri, 23/10/2020 - 16:00
Venue country/city: 
Online/Virtual
Location: 
MS Teams
Chairperson: 
Dr. Gorka Merino
Vice-Chairperson: 
Dr. Shiham Adam
Deadlines: 

Deadlines

  •     Paper titles (19 September 2020)
  •     Full papers (5 October 2020)

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

Meeting Participation Fund

To see if you are eligible to an assistance under the MPF, please consult the Rules of procedure for the administration of the IOTC meeting participation fund.
Applications should consist of:

i)      an official nomination letter;
ii)     a detailed abstract of the scientific paper to be presented; and
iii)    the contact details of the nominee (with a copy of his/her passport).

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Documents

Meeting Report
Reference Title Available on File
IOTC-2020-WPTT22(AS)-R_Rev1 Report of the 22nd Session of the IOTC Working Party on Tropical Tunas, Assessment Meeting 25/11/2020
Datasets
Reference Title Available on File
IOTC-2020-WPTT22(AS)-DATA03 Nominal catches by fleet, year, gear, IOTC area and species 15/09/2020
IOTC-2020-WPTT22(AS)-DATA04 Catch and effort data - vessels using drifting longlines 15/09/2020
IOTC-2020-WPTT22(AS)-DATA05 Catch and effort data - surface fisheries 15/09/2020
IOTC-2020-WPTT22(AS)-DATA06 Catch and effort data - vessels using other gears (e.g., gillnets, lines and unclassified gears) 15/09/2020
IOTC-2020-WPTT22(AS)-DATA07 Catch and effort data - all vessels 15/09/2020
IOTC-2020-WPTT22(AS)-DATA08 Catch and effort data - reference file 15/09/2020
IOTC-2020-WPTT22(AS)-DATA09 Size frequency data - Bigeye tuna (BET) 25/09/2020
IOTC-2020-WPTT22(AS)-DATA10_Rev1 Size frequency data - Skipjack tuna (SKJ) 15/09/2020
IOTC-2020-WPTT22(AS)-DATA11 Size frequency data - Yellowfin tuna (YFT) 25/09/2020
IOTC-2020-WPTT22(AS)-DATA12 Size frequency data - reference file 25/09/2020
IOTC-2020-WPTT22(AS)-DATA13 Equations used to convert from fork length to round weight for tropical tunas species 25/09/2020
IOTC-2020-WPTT22(AS)-DATA14 Skipjack tuna standardized CPUE series (various fleets) 25/09/2020
IOTC-2020-WPTT22(AS)-DATA15 Yellowfin tuna standardized CPUE series (various fleets) 25/09/2020
IOTC-2020-WPTT22(AS)-DATA16 Skipjack tuna - SS3 stock assessment input data 05/10/2020
Information papers
Reference Title Available on File
IOTC-2020-WPTT22(AS)-INF01 Indian Ocean yellowfin workplan (2019-2020) 13/10/2020
IOTC-2020-WPTT22(AS)-INF02 Statistics of the French purse seine fishing fleet targeting tropical Tunas in the Indian ocean (1981-2019) 08/10/2020
IOTC-2020-WPTT22(AS)-INF03 Development of the SCAS (Statistical-Catch-At-Size) Software 08/10/2020
IOTC-2020-WPTT22(AS)-INF04 Standardized purse seine CPUE of skipjack in the Indian Ocean for the European fleet 08/10/2020
IOTC-2020-WPTT22(AS)-INF05 Addendum to the paper IOTC-2020-WPTT22(DP)-11 (Bayesian Skipjack and Yellowfin Tuna CPUE Standardisation Model for Maldives Pole and Line 1970-2019) presented at the IOTC–2020–WPTT22(DP) meeting 08/10/2020
IOTC-2020-WPTT22(AS)-INF06 Climatic oscillations effect on the yellowfin tuna (Thunnus albacares) Spanish captures in the Indian Ocean 19/10/2020
IOTC-2020-WPTT22(AS)-INF07 Monitoring of Spanish flagged purse seine fishery targeting tropical tuna in the Indian ocean: Timeline and history 19/10/2020
Meeting documents
Reference Title Available on File
IOTC-2020-WPTT22(AS)-01a Draft agenda for the WPTT22(AS) 16/10/2020
IOTC-2020-WPTT22(AS)-01b_Rev3 Draft Annotated Agenda of the Working Party on Tropical Tunas 16/10/2020
IOTC-2020-WPTT22(AS)-02_Rev3 Draft list of documents for the WPTT22(AS) 19/10/2020
IOTC-2020-WPTT22(AS)-03_Rev4 Review of the statistical data and fishery trends for tropical tunas 19/10/2020
IOTC-2020-WPTT22(AS)-04 Program of work 2021 - 2025 08/10/2020
IOTC-2020-WPTT22(AS)-05_Rev1 Investigating early stages of skipjack tuna (Katsuwonus pelamis) in the Indian Ocean using otolith chemistry 08/10/2020
IOTC-2020-WPTT22(AS)-06_Rev1 Otolith δ18O as a tracer of yellowfin tuna (Thunnus albacares) nursery origin in the Indian Ocean 08/10/2020
IOTC-2020-WPTT22(AS)-07 Co-occurrence of genetically isolated groups of skipjack tuna (Katsuwonus pelamis) within the Indian Ocean 08/10/2020
IOTC-2020-WPTT22(AS)-08 Reproductive Biology of Skipjack Tuna (Katsuwonus pelamis) in Indonesian Exclusive Economic Zone 08/10/2020
IOTC-2020-WPTT22(AS)-09 Plan of trilateral collaborative study among Japan, Korea and Taiwan for producing joint abundance index with longline fisheries data for the tropical tuna species in the Indian Ocean 08/10/2020
IOTC-2020-WPTT22(AS)-10_Rev1 Preliminary Indian Ocean Skipjack Tuna Stock Assessment 1950-2019 (Stock Synthesis) 08/10/2020
IOTC-2020-WPTT22(AS)-11 Investigating population structure of bigeye tuna in the Indian Ocean using otolith chemistry 08/10/2020
IOTC-2020-WPTT22(AS)-12_Rev1 Genetic population connectivity of yellowfin tuna in the Indian Ocean from the PSTBS-IO Project 08/10/2020
IOTC-2020-WPTT22(AS)-13_Rev1 Improved version of the tropical tuna treatment process: new perspectives for catch estimates of tropical purse seine fishery 08/10/2020
IOTC-2020-WPTT22(AS)-14 Are sets on YFT not associated with floating objects really free schools sets? Implications on fishing effort 08/10/2020
IOTC-2020-WPTT22(AS)-15 Effect of PDO and SOI on non Associated YFT Catches in Indian Ocean: The Case of Spanish Purse Seiner Fisheries 08/10/2020
IOTC-2020-WPTT22(AS)-16 Evidence of connectivity of bigeye tuna (Thunnus obesus) throughout the Indian Ocean inferred from genome-wide genetic markers 08/10/2020
IOTC-2020-WPTT22(AS)-17_Rev2 Quantifying the increase in fishing efficiency due to the use of drifting FADs equipped with echo-sounders in tropical tuna purse seine fisheries 08/10/2020
IOTC-2020-WPTT22(AS)-18 Developing management advice to rebuild the Indian Ocean yellowfin tuna (Thunnus albacares) stock in two generations 08/10/2020
IOTC-2020-WPTT22(AS)-19_Rev1 Development of spatially explicit operating models for yellowfin tuna populations in the Indian Ocean 08/10/2020
IOTC-2020-WPTT22(AS)-20 Understanding fishery interactions and stock trajectory of yellowfin tuna exploited by Iranian fisheries in the Sea of Oman 08/10/2020
IOTC-2020-WPTT22(AS)-21 Towards Providing Scientific Advice for Indian Ocean Yellowfin in 2020 08/10/2020
IOTC-2020-WPTT22(AS)-22_Rev1 An application of length-based assessment methods to Indian Ocean fisheries for yellowfin tuna (Thunnus albacores) between 1955 and 2015: implications for sustainable fisheries management 16/10/2020

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