A collaborative research program is being undertaken by Japan and South Africa since 2013 to enhance data collection and analysis in the Subarea 48.6. In the last WG-SAM Spain has proposed to join the former proposal in order to contribute to the data acquisition and to speed up the integrated assessments of the D.mawsoni stock in this subarea.
The Working Group recommended that Spain should coordinate its research efforts with Japan and South Africa and encouraged the submission of a multi-Member proposal for consideration at WG-FSA (pargraph 6.29).
The three-member research proposal for 2018/19 season is presented to ensure continuity of previous research activities. Data and investigations about the population structure and various demographic parameters of Antarctic toothfish (Dissostichus mawsoni) using trotline (JPN and ZAF) and Spanish longline (ESP) gears, established tagging techniques, pop-up tags and genetic analysis will provide the basis for the development of spatial population models and assessments in support of management advice. An Integrated Stock Assessment (ISA) of this species is expected to be done by 2021/22.
Additional outcomes of the research include documenting relative abundance of Antarctic and Patagonian toothfish, tagging toothfish for biomass estimation and for stock linkage studies, and collecting information on distribution, and life history of bycatch and Vulnerable Marine Ecosystems (VMEs).