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Environment
PROJECT NUMBER • 2010-006
PROJECT STATUS:
COMPLETED

Estimating fishing mortality of major target species and species of conservation interest in the Queensland east coast shark fishery

Fishing mortality rates for the major targeted and byproduct species of sharks landed by the Queensland East Coast Inshore Fin Fish Fishery (ECIFFF) have been estimated. The effects of these fishing mortality rates on population persistence for these species have also been modelled with demographic...
ORGANISATION:
James Cook University (JCU)
Environment
PROJECT NUMBER • 2008-103
PROJECT STATUS:
COMPLETED

Tactical Research Fund: Adapting to change - minimising uncertainty about the effects of rapidly-changing environmental conditions on the Queensland Coral Reef Fin Fish Fishery

With the severity and intensity of tropical cyclones predicted to increase with global climate change (Webster et al. 2005), the need to understand the effects of these events on fisheries production is paramount. The northern tropical margin of the Australian continent is subject to tropical...
ORGANISATION:
James Cook University (JCU)

Description of the stock structure of Queensland’s east coast shark populations

Project number: 2007-035
Project Status:
Completed
Budget expenditure: $211,632.00
Principal Investigator: David Welch
Organisation: James Cook University (JCU)
Project start/end date: 29 Jun 2007 - 30 Jun 2010
Contact:
FRDC

Need

The International Plan of Action for the Conservation and Management of Sharks (IPOA-Sharks) was developed in 1999 in response to global concerns about the status of shark stocks. The Australian Government ratified the IPOA-Sharks in 2004 and developed a national Shark-Plan with an overall objective to ensure the conservation and management of sharks and their long-term sustainable use in Australia.

Queensland fisheries legislation requires sustainable harvest of fish resources and their optimal use. Reliable and robust assessments of the status of fished resources are central to achieving such outcomes. Currently in Queensland, sharks are managed as a single stock with uniform management arrangements throughout the state. The lack of information on stock structure, however, means that the appropriate scale of management is not known. As well, fishers have no guidelines to encourage investment and long-term involvement in a fishery that supplies lucrative overseas markets. These management- and fisher-unfriendly circumstances must be viewed in the context of dramatic increases in catches of sharks on the Queensland east coast and the potentially high vulnerability of sharks to fishing pressure. Such a scenario highlights the urgent need for information on the stock structure of exploited shark species.

Objectives

1. To determine the spatial and temporal stock structure of fished shark species along the Queensland east coast.
2. To use stock structure information to define appropriate management units for sustainable management of shark resources along the Queensland east coast.
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