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Indian Ocean Tuna Commission
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19th Working Party on Tropical Tunas (WPTT19)

Meeting: 
Working Party on Tropical Tunas (WPTT)
Meeting year: 
2017
Meeting session: 
19
Date: 
Tue, 17/10/2017 (All day) to Sun, 22/10/2017 (All day)
Venue country/city: 
Mahé, Seychelles
Location: 
Eden Bleu Hotel
Chairperson: 
Dr M. Shiham Adam (Maldives)
Vice-Chairperson: 
Dr. Gorka Merino (EU,Spain)
Deadlines: 

Papers for consideration during the WPTT meeting are due no later than 15 days before the commencement of the session

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.

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Meeting information documents

Title File
Meeting Information

Documents

Meeting documents
Reference Title Available on File
IOTC-2017-WPTT19-01a DRAFT Agenda for the 18th Working Party on Tropical Tunas (WPTT19) 24/07/2017
IOTC-2017-WPTT19-01b_Rev1 Draft: Annotated agenda of the 19th Working Party on Tropical Tunas 28/09/2017
IOTC-2017-WPTT19-02_Rev2 Draft: List of documents for the 19th Working Party on Tropical Tunas 19/10/2017
IOTC-2017-WPTT19-03 Outcomes of the 19th Session of the Scientific Committee 27/09/2017
IOTC-2017-WPTT19-04 Outcomes of the 21st Session of the IOTC Commission 27/09/2017
IOTC-2017-WPTT19-05 Review of Conservation and Management Measures relevant to tropical tunas 27/09/2017
IOTC-2017-WPTT19-06 Progress made on the recommendations of WPTT18 02/10/2017
IOTC-2017-WPTT19-07 Review of the statistical data and fishery trends for tropical tunas 12/10/2017
IOTC-2017-WPTT19-08 Revision of the WPTT Program of Work (2018–2022) 02/10/2017
IOTC-2017-WPTT19-09 Outline of climate and oceanographic conditions in the Indian Ocean: an update to mid-2017 11/10/2017
IOTC-2017-WPTT19-10 Present status of Tropical tuna fisheries in Iran 04/10/2017
IOTC-2017-WPTT19-11 Six years for improving statistic data collection in Comoros 01/09/2017
IOTC-2017-WPTT19-12_Rev1 Status of gillnet fisheries and data reconstruction of Tropical Tuna in Pakistan 27/09/2017
IOTC-2017-WPTT19-13 The Mauritius purse seine fishery since 2013 29/09/2017
IOTC-2017-WPTT19-14 Statistics Catch of Tropical Tunas from Longliners Landing at Port of Phuket, Thailand, during 1994-2016 12/10/2017
IOTC-2017-WPTT19-15 Catches of yellowfin tuna and bigeye tuna from longline in Kenya EEZ during the year 2016 11/10/2017
IOTC-2017-WPTT19-16 Colonization of drifting fish aggregating devices (DFADs) in the Western Indian Ocean, assessed by fishers’ echo sounder buoys 03/10/2017
IOTC-2017-WPTT19-17 Main results of the Spanish Best Practices program: evolution of the use of Non-entangling FADs, interaction with entangled animals, and fauna release operations 03/10/2017
IOTC-2017-WPTT19-18 Monitoring the number of active FADs used by the Spanish and associated purse seine fleet in the IOTC and ICCAT Convention areas 03/10/2017
IOTC-2017-WPTT19-19 Testing designs and identify options to mitigate impacts of drifting FADs on the ecosystem 12/10/2017
IOTC-2017-WPTT19-20 The Dynamic Simulation of Pelagic Longline Retrieving 27/09/2017
IOTC-2017-WPTT19-21 Preliminary findings of AFAD research project in the Maldives 19/10/2017
IOTC-2017-WPTT19-22_Rev1 Towards the derivation of abundance indices for tropical tuna: Recent progress in the analysis of echosounder buoys 03/10/2017
IOTC-2017-WPTT19-23_Rev3 Proposals to revisions to the IOTC Tropical Tuna Executive Summaries (supporting information) 02/10/2017
IOTC-2017-WPTT19-25 Movements and behaviour of yellowfin and bigeye tuna associated to oceanic structures in the western Indian Ocean 06/10/2017
IOTC-2017-WPTT19-26 STANDARDIZATION LONGLINE CATCH PER UNIT EFFORT FOR BIGEYE (THUNNUS OBESUS) AND YELLOWFIN TUNA (THUN-NUS ALBACARES) FROM SOUTH AFRICA 17/10/2017
IOTC-2017-WPTT19-27_Rev1 Consideration on high jump of Japanese longline CPUE for bigeye and yellowfin tuna in the late 1970s in the Indian Ocean 16/10/2017
IOTC-2017-WPTT19-28 Updated Japanese longline CPUE for bigeye tuna in the Indian Ocean standardized by GLM 03/10/2017
IOTC-2017-WPTT19-29 Standardization of bigeye and yellowfin tuna CPUE by Japanese longline in the Indian Ocean which includes cluster analysis 03/10/2017
IOTC-2017-WPTT19-31 Updated CPUE standardizations for bigeye and yellowfin tuna caught by Taiwanese longline fishery in the Indian Ocean using generalized linear model 03/10/2017
IOTC-2017-WPTT19-32 Collaborative study of tropical tuna CPUE from multiple Indian Ocean longline fleets in 2017 02/10/2017
IOTC-2017-WPTT19-33_Rev1 Exploring possible causes of historical discontinuities in Japanese longline CPUE 02/10/2017
IOTC-2017-WPTT19-34 Selectivity changes and spatial size patterns of bigeye and yellowfin tuna in the early years of the Japanese longline fishery. 02/10/2017
IOTC-2017-WPTT19-35 Exploration of Japanese size data and historical changes in data management 02/10/2017
IOTC-2017-WPTT19-36 Regional scaling factors for Indian Ocean stock assessments 02/10/2017
IOTC-2017-WPTT19-37 CPUE standardizations of the Seychelles Indian Ocean longline fleet 2004–2015 02/10/2017
IOTC-2017-WPTT19-38 Standardisation of skipjack tuna CPUE for the EU purse seine fleet operating in the Indian Ocean 06/10/2017
IOTC-2017-WPTT19-39_Rev2 An online tool to easily run stock assessment models, using SS3 and YFT as an example 09/01/2018
IOTC-2017-WPTT19-40 Stock assessment of Indian Ocean bigeye tuna using integrated model - implication of considering bias in catch data 13/10/2017
IOTC-2017-WPTT19-41 Reconstruction of Maldives Historic Fleet Size Composition from Partial Register Data 1970-2004 02/10/2017
IOTC-2017-WPTT19-42 Preliminary stock structure study of Skipjack tuna from South Java using otolith shape analysis 27/09/2017
IOTC-2017-WPTT19-43 Data-derived fishery and stocks status indicators for skipjack tuna in the Indian Ocean 05/10/2017
IOTC-2017-WPTT19-44 Maldives Pole and Line Skipjack Tuna CPUE standardization 2004-2015 02/10/2017
IOTC-2017-WPTT19-45 Relationship between skipjack tuna CPUE and fishing operation related parameters: A case study in gillnet fishery of Sri Lanka 02/10/2017
IOTC-2017-WPTT19-46 Stock assessment of Indian Ocean skipjack tuna using biomass dynamics model: with focus on the impact of catch uncertainty 13/10/2017
IOTC-2017-WPTT19-47_Rev1 Indian Ocean Skipjack tuna stock assessment 1950-2016 (stock synthesis) 05/10/2017
IOTC-2017-WPTT19-48 Japanese longline CPUE for yellowfin tuna in the Indian Ocean standardized by generalized linear model 03/10/2017
IOTC-2017-WPTT19-49 Update on Yellowfin and Bigeye tuna management procecedure evaluation, October 2017 02/10/2017
IOTC-2017-WPTT19-50 Moving away from synthetic materials used at FADs: Evaluating biodegradable ropes degradation 02/10/2017
IOTC-2017-WPTT19-51 Pilot Project to test biodegradable ropes at FADs in real fishing conditions in Western Indian Ocean 02/10/2017
Datasets
Reference Title Available on File
IOTC-2017-WPTT19-DATA01 Tropical tunas datasets available (16 October 2017) 16/10/2017
IOTC-2017-WPTT19-DATA02 IOTC Species data catalogues – availability of datasets 22/09/2017
IOTC-2017-WPTT19-DATA03 Nominal Catches per Fleet, Year, Gear, IOTC Area and species 19/09/2017
IOTC-2017-WPTT19-DATA04 Catch and effort data - vessels using drifting longlines 19/09/2017
IOTC-2017-WPTT19-DATA05 Catch and Effort - Surface fisheries 19/09/2017
IOTC-2017-WPTT19-DATA06 Catch and effort data - vessels using other gears (e.g., gillnets, lines and unclassified gears) 19/09/2017
IOTC-2017-WPTT19-DATA07 Catch and Effort - all vessels 19/09/2017
IOTC-2017-WPTT19-DATA08 Catch and Effort - reference 19/09/2017
IOTC-2017-WPTT19-DATA09_Rev2 Size frequency data - Bigeye tuna (BET) 19/09/2017
IOTC-2017-WPTT19-DATA10_Rev3 Size frequency data - Skipjack tuna (SKJ) 19/09/2017
IOTC-2017-WPTT19-DATA11_Rev2 Size frequency data - Yellowfin tuna (YFT) 19/09/2017
IOTC-2017-WPTT19-DATA12 Size frequency - reference 19/09/2017
IOTC-2017-WPTT19-DATA13 Equations used to convert from fork length to round weight for tropical tunas species 19/09/2017
IOTC-2017-WPTT19-DATA14_Rev1 Catch-at-size - Skipjack tuna 19/09/2017
IOTC-2017-WPTT19-DATA15_Rev1 Skipjack tuna - SS3 Stock Assessment inputs 19/09/2017
IOTC-2017-WPTT19-DATA16 EU purse seine standardized CPUE for skipjack tuna 22/09/2017
IOTC-2017-WPTT19-DATA17 Maldives pole-and-line standardized CPUE for skipjack tuna 27/09/2017
IOTC-2017-WPTT19-DATA18 Joint CPUE indices for Yellowfin tuna 28/09/2017
IOTC-2017-WPTT19-DATA19 Joint CPUE indices for Bigeye tuna 28/09/2017
IOTC-2017-WPTT19-DATA20 Tawianese longline CPUE for bigeye tuna in the Indian Ocean standardized by GLM from 1979 to 2016 28/09/2017
IOTC-2017-WPTT19-DATA21 Taiwanese longline CPUE for yellowfin tuna in the Indian Ocean standardized by GLM from 1979 to 2015 28/09/2017
Information papers
Reference Title Available on File
IOTC-2017-WPTT19-INFO1 Bayesian CPUE Standardisation Model for Maldives Pole and Line Skipjack Tuna 1970-2015 02/10/2017
IOTC-2017-WPTT19-INFO2 Report of the 4th IOTC CPUE workshop on longline fisheries 28/09/2017
IOTC-2017-WPTT19-INFO3 Workshop for the development of Skipjack indices of abundance for the EU tropical tuna purse seine fishery operating in the Indian Ocean 06/10/2017
IOTC-2017-WPTT19-INFO4 Does vertical shear current affect catch rates of tuna longline fisheries and do we need in CPUE standardization? 16/10/2017
IOTC-2017-WPTT19-INFO5 Updating the Statistics of the EU-Spain Purse Seine fleet in the Indian Ocean (1990-2016) 06/10/2017
IOTC-2017-WPTT19-INFO6 Skipjack Tuna Availability for Purse Seine Fisheries Is Driven by Suitable Feeding Habitat Dynamics in the Atlantic and Indian Oceans 17/10/2017
Meeting Report
Reference Title Available on File
IOTC-2017-WPTT19-R Report of the 19th Session of the IOTC Working Party on Tropical Tunas 08/11/2017

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