A retrospective evaluation of sustainable yields for Australia's Northern Prawn Fishery
Wang, You-Gan & Wang, Na (2012) A retrospective evaluation of sustainable yields for Australia's Northern Prawn Fishery. Fisheries, 37(9), pp. 410-416.
The fundamental aim in fisheries management is to determine an optimal fishing effort for sustainably harvesting from a replenishable resource. The current management objective of Australia's Northern Prawn Fishery is to maximize the long-term net economic return following Australian government policy, resulting in an average recent catch of tiger prawn species of about 1,250 tons only. However, the maximum sustainable catch stated from different studies is around 3,000-4,700 tons. We also evaluated the net profit assuming that there was no buyback scheme in 2005 and the fishing fleet was kept at 89 vessels since 2005 and concluded that 40% more catch on average (2006-2009) and an additional total profit of A$ 17 million ( excluding crew cost) could have been gained in addition to the many millions of dollars of savings in the buyback scheme. These findings have great implications for future management in Australia and elsewhere because there is a grave concern of overfishing worldwide.
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|Item Type:||Journal Article|
|Keywords:||management strategies, tiger prawns, size, ecosystem, impact, stocks, catch|
|Divisions:||Current > Schools > School of Mathematical Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Deposited On:||17 Nov 2015 23:37|
|Last Modified:||19 Nov 2015 23:19|
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