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21st Working Party on Tropical Tuna (WPTT21)

Meeting: 
Working Party on Tropical Tunas (WPTT)
Meeting year: 
2019
Meeting session: 
21
Date: 
Mon, 21/10/2019 (All day) to Sat, 26/10/2019 (All day)
Venue country/city: 
Donostia-San Sebastian, Spain
Location: 
NH Arranzazu hotel
Chairperson: 
Dr Gorka Merino
Vice-Chairperson: 
Dr Shiham Adam
Summary: 

DEADLINES

•       Meeting Participation Fund  (6 September 2019)
•       Paper titles  (21 September 2019)
•       Full papers (6 October 2019)

(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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Meeting information documents

Title File
Information document

Documents

Meeting documents
Reference Title Available on File
IOTC-2019-WPTT21-01a DRAFT Agenda for the 21st Working Party on Tropical Tunas (WPTT21) 08/10/2019
IOTC-2019-WPTT21-01b_Rev4 Draft Annotated agenda of the WPTT21 09/10/2019
IOTC-2019-WPTT21-02_Rev5 Draft List of Documents of the WPTT21 09/10/2019
IOTC-2019-WPTT21-03 Outcomes of the 21st Session of the Scientific Committee 08/10/2019
IOTC-2019-WPTT21-04 Outcomes of the 23rd Session of the IOTC Commission 08/10/2019
IOTC-2019-WPTT21-05 Review of Conservation and Management Measures relevant to tropical tunas 08/10/2019
IOTC-2019-WPTT21-06 Progress since WPTT20 08/10/2019
IOTC-2019-WPTT21-07 Outcomes of the 3rd Session of the IOTC Technical Committee on Management Procedures 08/10/2019
IOTC-2019-WPTT21-08_Rev1 Review of the statistical data and fishery trends for tropical tunas 11/10/2019
IOTC-2019-WPTT21-09 Revision of the WPTT Program of Work (2020–2024) 08/10/2019
IOTC-2019-WPTT21-10 Assessment of the species composition of major tropical tunas in Purse seine catches: a new modelling approach for the tropical Tuna treatment process 09/10/2019
IOTC-2019-WPTT21-11_Rev1 Statistics of the French Purse Seine Fishing Fleet Targeting Tropical Tunas in the Indian Ocean (1981-2018) 09/10/2019
IOTC-2019-WPTT21-12 Free School Fishery Trends for Spanish Tropical Purse Seiners in the Indian Ocean 09/10/2019
IOTC-2019-WPTT21-13_Rev1 Assessing the misidentification rate for bigeye and yellowfin juveniles in brine sampled at Port Victoria (Indian Ocean): consequences for the species composition estimates of landings 09/10/2019
IOTC-2019-WPTT21-14_Rev1 Statistics of The Seychelles Purse Seine Fleet Targeting Tropical Tunas In The Indian Ocean (2000-2018) 09/10/2019
IOTC-2019-WPTT21-15_Rev1 Status of Indian tropical tuna fisheries in 2018 09/10/2019
IOTC-2019-WPTT21-16_Rev1 Status of tropical tuna fisheries of Pakistan especially impact of subsurface gillnetting on their landings 09/10/2019
IOTC-2019-WPTT21-17 Tropical Tuna Landing at Fishing Ports in Thailand during 2016 – 2018 09/10/2019
IOTC-2019-WPTT21-18 Diet of yellowfin and skipjack tunas in the eastern Arabian Sea 09/10/2019
IOTC-2019-WPTT21-19_Rev1 Analysis of catch and effort data of tropical tuna from purse seine and longline fishery in Mauritius (2014-2018) 10/10/2019
IOTC-2019-WPTT21-20_Rev1 Standardization of bigeye and yellowfin tuna CPUE by Japanese longline in the Indian Ocean which includes cluster analysis 11/10/2019
IOTC-2019-WPTT21-21 Updated CPUE standardizations for bigeye and yellowfin tuna caught by Taiwanese longline fishery in the Indian Ocean 18/10/2019
IOTC-2019-WPTT21-22 Covariates of release mortality and tag loss in large-scale tuna taggingexperiments 21/10/2019
IOTC-2019-WPTT21-23_Rev1 Using effort control measures to implement catch limits in IOTC purse seine fisheries 09/10/2019
IOTC-2019-WPTT21-24_Rev1 Outline of climate and oceanic conditions in the Indian Ocean: an update to mid-2019 09/10/2019
IOTC-2019-WPTT21-25 Pelagic longline fishing operation parameters optimization - A case study on targeting yellowfin tuna (Thunnus albacares) in the Indian Ocean 10/10/2019
IOTC-2019-WPTT21-26 Growth heterogeneity of Bigeye tuna Thunnus obesus in the Indian Ocean explored by the mixed effect model 09/10/2019
IOTC-2019-WPTT21-27 preliminary analysis of size frequency and CPUE for the Indian Ocean bigeye tuna (Thunnus obesus) using Chinese longline observer data 09/10/2019
IOTC-2019-WPTT21-29_Rev1 CPUE standardization of bigeye and yellowfin tuna caught by Korean tuna longline fishery in the Indian Ocean 18/10/2019
IOTC-2019-WPTT21-30_Rev1 Japanese longline CPUE for bigeye tuna in the Indian Ocean standardized by GLM 11/10/2019
IOTC-2019-WPTT21-31 CPUE Standardization of Bigeye Tuna, Thunnus obesus (Lowe, 1839) from Indonesian Tuna Longline Fishery in the Eastern Indian Ocean 09/10/2019
IOTC-2019-WPTT21-32 Preliminary stock assessment for Bigeye tuna Thunnus obesus in the Indian Ocean using JABBA 09/10/2019
IOTC-2019-WPTT21-35_Rev1 Iran's Skipjack Tuna fisheries 10/10/2019
IOTC-2019-WPTT21-37 Use port sampling and logbook data for the analysis of catch rates of Skipjack Tuna (Katsuwonus pelamis) in gillnet fishery of Sri Lanka 09/10/2019
IOTC-2019-WPTT21-38 Identifying Fishing Activities and their Time Allocation in the Maldives Handline Yellowfin Tuna (Thunnus albacares) Fishery 09/10/2019
IOTC-2019-WPTT21-40 Genomic analysis reveals multiple mismatches between biological and management units in yellowfin tuna (Thunnus albacares) 09/10/2019
IOTC-2019-WPTT21-41 Statistic of Yellowfin tuna caught by foreign vessels in Malagasy waters (2014 – 2018) 11/10/2019
IOTC-2019-WPTT21-42 Updated information on catch and effort of yellowfin tuna (Thunnus albacares) from Indonesian tuna longline fishery 09/10/2019
IOTC-2019-WPTT21-44 Accounting for fishing days without set, fishing concentration and piracy in the CPUE standardisation of Yellowfin tuna in free schools for the EU purse seine fleet operating in the Indian ocean during the 1991-2017 period 09/10/2019
IOTC-2019-WPTT21-45 A Novel Index of Abundance of Juvenile Yellowfin Tuna in the Indian Ocean Derived from Echosounder Buoys 09/10/2019
IOTC-2019-WPTT21-46_Rev1 Japanese longline CPUE for yellowfin tuna in the Indian Ocean standardized by generalized linear model 11/10/2019
IOTC-2019-WPTT21-47 Evaluation of the potential impact of catch underreporting on yellowfin stock assessment using exploratory scenarios of catch history 10/10/2019
IOTC-2019-WPTT21-48 Alternative Assessment for the Indian Ocean Yellowfin Tuna Stock; with Generic Goodness of Fit Diagnostics 10/10/2019
IOTC-2019-WPTT21-49 Stock assessment of Indian Ocean yellowfin using a biomass production model 10/10/2019
IOTC-2019-WPTT21-50 Preliminary Assessment Of Indian Ocean Yellowfin Tuna 1950-2018 (Stock Synthesis, V3.30) 17/10/2019
IOTC-2019-WPTT21-51 A multivariate lognormal Monte-Carlo approach for estimating structural uncertainty about the stock status and future projections for Indian Ocean Yellowfin tuna 10/10/2019
IOTC-2019-WPTT21-52 Results of BIOFAD project: testing designs and identify options to mitigate impacts of drifting fish aggregating devices on the ecosystem 14/10/2019
IOTC-2019-WPTT21-53 Methodology for the monitoring of FOB and buoy use by French and Italian tropical tuna purse seiners in the Indian ocean 10/10/2019
IOTC-2019-WPTT21-54_Rev1 Towards the derivation of fisheries-independent abundance indices for tropical tuna: Report on biomass estimates obtained from a multi-frequency echosounder buoy model (M3I+) 10/10/2019
IOTC-2019-WPTT21-55_Rev1 Aggregation processes of tuna under drifting fish aggregating devices (dFADs) assessed through fisher's echosounder buoy in the Indian ocean 10/10/2019
IOTC-2019-WPTT21-56_Rev1 Mapping tuna occurrence under drifting fish aggregating devices from fisher’s echosounder buoys in Indian ocean 10/10/2019
IOTC-2019-WPTT21-58 Use of Anchored FADs in the Maldives – Notes for a Case Study for Assessing ALDFG 10/10/2019
IOTC-2019-WPTT21-59 A Case for Fishery Closures to Manage Purse Seine Fisheries for Tropical Tunas in the IOTC Area of Competence 10/10/2019
IOTC-2019-WPTT21-60 Catch Trends of Tropical Tunas by Malaysian Tuna Longliners in the Indian Ocean, 2013 - 2017 10/10/2019
IOTC-2019-WPTT21-61 Preliminary Indian Ocean Bigeye Tuna Stock Assessment 1950 - 2018 (SS3) 10/10/2019
Datasets
Reference Title Available on File
IOTC-2019-WPTT21-DATA03 Nominal catches by fleet, year, gear, IOTC area and species 11/09/2019
IOTC-2019-WPTT21-DATA04 Catch and effort data - vessels using drifting longlines 11/09/2019
IOTC-2019-WPTT21-DATA05_Rev1 Catch and effort data - surface fisheries 11/09/2019
IOTC-2019-WPTT21-DATA06 Catch and effort data - vessels using other gears (e.g., gillnets, lines and unclassified gears) 11/09/2019
IOTC-2019-WPTT21-DATA07_Rev1 Catch and effort data - all vessels 11/09/2019
IOTC-2019-WPTT21-DATA08 Catch and effort data - reference file 11/09/2019
IOTC-2019-WPTT21-DATA09_Rev1 Size frequency data - Bigeye tuna (BET) 14/09/2019
IOTC-2019-WPTT21-DATA10_Rev1 Size frequency data - Skipjack tuna (SKJ) 14/09/2019
IOTC-2019-WPTT21-DATA11_Rev1 Size frequency data - Yellowfin tuna (YFT) 14/09/2019
IOTC-2019-WPTT21-DATA12_Rev1 Size frequency data - reference file 14/09/2019
IOTC-2019-WPTT21-DATA13a Joint CPUE series for BET and YFT 11/09/2019
IOTC-2019-WPTT21-DATA13b Taiwan,China CPUE series for BET and YFT 11/09/2019
IOTC-2019-WPTT21-DATA14 Stock assessment inputs (SS3 and SCAA) for BET 15/09/2019
IOTC-2019-WPTT21-DATA15 Stock assessment inputs (SS3 and SCAA) for YFT 15/09/2019
IOTC-2019-WPTT21-DATA16 Equations used to convert from fork length to round weight for tropical tunas species 15/09/2019
Information papers
Reference Title Available on File
IOTC-2019-WPTT21-INF01 Report of the Sixth IOTC CPUE Workshop on Longline Fisheries 10/10/2019
IOTC-2019-WPTT21-INF02 Joint tRFMO FAD Working Group second meeting report 10/10/2019
IOTC-2019-WPTT21-INF03 Information Note On The Monitoring Of The Yft Tuna Quota Consumption By The French And Italian Purse Seine Fleet In The Indian Ocean 21/10/2019
IOTC-2019-WPTT21-INF04 Progress in development of Statistical-Catch-At-Size (SCAS) modelling software 23/10/2019
IOTC-2019-WPTT21-INF05 Residual Diagnostics for Indian Ocean yellowfin tuna Stock Synthesis models 24/10/2019
Meeting Report
Reference Title Available on File
IOTC-2019-WPTT21-R Report of the 21st Session of the IOTC Working Party on Tropical Tunas 20/11/2019

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