All stocks are subject to some level of environmentally-driven change in productivity, primarily recruitment, but also growth. Equilibrium does not really occur in any unfished stock, although it is typically assumed to occur. We need to emphasise this. However, where such variations result in...

The catch of albacore in the ETBF increased from ~500 tonnes per year in the late-1990s and early-2000s, to 2,591 tonnes in 2006 as a number of domestic longliners switched from targeting broadbill swordfish (shallow setting) to albacore tuna (deep setting). In 2007, this higher catch was maintained...

Challenge 1: Improve the sustainability of natural resources supporting wild-catch and aquaculture; Improve governance, policies and methods in wild-catch and aquaculture management. Catch and effort (CPUE) data are used in most fisheries around the world for assessing stock abundance. The...

In the Northern Prawn Fishery, as in most fisheries, limited data are available on the catches and biology of byproduct species. This is a situation that creates challenges for fishery managers. Since the introduction of the EPBC Act and the Strategic Assessment process for fisheries, this...