Report of the Study Group on Survey Trawl Standardisation (SGSTS)

Abstract

The report mainly comprised of guidance on the use of survey trawls in all their aspects. As such, it aims to provide a description of the state-of-the-art across the board. This highlight section is intended to guide readers to sections that provide key new advice. A comprehensive description of how to use trawl surveillance sensors and then to analyse and apply this information is presented in Section 2. This refers to traditional and additional. A practical and valuable guide to checking and maintaining the GOV and Campelen trawls while at sea is presented in Section 3. This details the minimum and important controls to maintain during a survey. Improved advice on when and how to calibrate changes to survey gears is provided in Section 4.