TDW-11: 24-28th April 2017, Noumea, New Caledonia Observer Data Updates TDW-11: 24-28th April 2017, Noumea, New Caledonia

Observer data Provision and issues ERandEM Development – new systems ROCW (Feb 2017 - Icanus) Scanning (TDW11 - Manu) Data issues (TDW11 – Stephanie/Nabila) ERandEM ROCW, MCS WG, etc. (Feb 2017 - Malo) Latest status (TDW11 - Malo) Development – new systems Future plans with Tufman 2 (TW11 - Steve) Other updates  This presentation

Observer data Why ? Importance of observer Data Most comprehensive data collected from fishery Independent source of data used to verify logsheet data Only reliable data for bycatch/discards and sex Fundamental for stock assessments [Passive] deterrence to IUU fishing Important for MCS activities Observers are eyes and ears of fisheries managers

Observer Data  Status of Submissions 2016 data provision an improvement on 2015 data provision 

Observer Data ISSUE : lag in provision of PS observer data Monthly frequency of provision of 2015 (top) and 2016 (bottom) purse seine data

Observer Data LONGLINE observer coverage – must be at least 5% You should think about 2017 coverage for your Longline fleet now !!

Observer Data GEN-3 submission / processing GEN-3 is very important for countries … it deals with compliance issues on your flagged vessels !! You need to have this information ASAP to resolve any issues …( and prepare for TCC ...) SPC changed data processing work flow to ensure GEN-3 data are processed ASAP and available in the WCPFC in Compliance Case System ... you can review this information in a timely manner...

Observer Data Advent of EM data Solomon Islands and Fiji, New Caledonia, Palau... Soon FSM and RMI .. Other others ? Data for >40 EM trips now in TUBS database format Initial comparisons with onboard observer and logsheet data Other comparative analyses – raises some interesting issues/questions ! [No ER data as yet !]

Observer Data Data Quality Major focus of our work Important for both science and compliance DQC Reports continue to expand in DORADO … more enhanced under TUFMAN 2

Estimated depth of bigeye tuna catch from longline gear Examples of uses of observer data Hook number of catch What is it ? the hook no. [between the successive floats] of the catch Example of scientific use Comparisons of relative depth range by species & in relation to gear (e.g. selectivity) Potentially informs CPUE standardisation analyses Estimated depth of bigeye tuna catch from longline gear Estimated depth of bigeye tuna (left) and Mahi mahi (right) taken from longline gear

Longline-caught albacore tuna catch by size/sex Examples of uses of observer data Sex identification What is it ? Identification to determine whether fish is MALE or FEMALE [longline only] [challenges for collecting from EM] Example of scientific use Provides important input parameters for stock assessments Size/Sex structure of the population available to that GEAR Longline-caught albacore tuna catch by size/sex

Thank You Any questions?