Since 2000 the use of bycatch reduction devices (BRDs) and turtle excluder devices (TEDs) has been a mandatory requirement in most tropical prawn trawl fisheries in Australia. Despite this period of mandatory use, the number of BRD designs has remained largely unchanged and their performance can, at...

The project has provided an understanding of how environmental variation has impacted on WCPF production. Chapter 1 contains the objectives of the study, background and need for the work. Chapter 2 provides a context for understanding of: a) oceanic and climatological processes which are associated...