Priority 2: Action provide a more informed basis for the long-term management and recovery of the grey nurse shark. Priority 3: Action is desirable, but not critical to the recovery of the grey nurse shark or assessment of trends in that recovery. Objective 1: Develop and quantitative monitoring of the population status (distribution and abundance) and potential recovery of the grey nurse shark in Australian waters. Responsible agencies and Indicative costing potential Only priority 1 Action Description Priority Performance Criteria partners actions are costed 1.1 Monitor and re-survey 1 A monitoring program to assess DoE, state Core government • grey nurse shark population trends and dynamics governments business populations to assess has been developed (including and research population trends and identifying appropriate agencies dynamics, including techniques) and appropriate estimates of timeframe between surveys population growth and established (link to Action 1.2, mortality. Objective 9). Annual monitoring and • reporting of available mortality data. Links to adaptive management • response established as required. 1.2 Develop monitoring 1 Monitoring protocols DoE, state Core government • protocols and establish developed (including testing governments business a national database to different monitoring and research record data collected techniques) and database agencies on grey sharks, to established. assist with population Annual reporting/ consolidation • monitoring. of monitoring data undertaken and ongoing. Database maintained and • updated annually. 1.3 Evaluate the use of and 2 Population Viability Analysis State • develop new (PVA) evaluated and if governments population models, appropriate, utilised following and research trial reliable data sets the acquisition of essential agencies, as they are collected, population data. DoE to reassess changes in population models also • extinction risks. considered and utilised where considered more appropriate than PVA. Population modelling available • to assist management decision making. Objective 2: Quantify and reduce the impact of commercial fishing on the grey nurse shark through incidental (accidental and/or illegal) take, throughout its range.
Priority 2: Action provide a more informed basis for the long-term management and recovery of the grey nurse shark. Priority 3: Action is desirable, but not critical to the recovery of the grey nurse shark or assessment of trends in that recovery. Objective 1: Develop and quantitative monitoring of the population status (distribution and abundance) and potential recovery of the grey nurse shark in Australian waters. Action Description Priority Performance Criteria Responsible agencies and potential partners Indicative costing Only priority 1 actions are costed 1.1 Monitor and re-survey grey nurse shark populations to assess population trends and dynamics, including estimates of population growth and mortality. 1 • A monitoring program to assess population trends and dynamics has been developed (including identifying appropriate techniques) and appropriate timeframe between surveys established (link to Action 1.2, Objective 9). • Annual monitoring and reporting of available mortality data. • Links to adaptive management response established as required. DoE, state governments and research agencies Core government business 1.2 Develop monitoring protocols and establish a national database to record data collected on grey sharks, to assist with population monitoring. 1 • Monitoring protocols developed (including testing different monitoring techniques) and database established. • Annual reporting/ consolidation of monitoring data undertaken and ongoing. • Database maintained and updated annually. DoE, state governments and research agencies Core government business 1.3 Evaluate the use of and develop new population models, reliable data sets as they are collected, to reassess changes in extinction risks. 2 • Population Viability Analysis (PVA) evaluated and if appropriate, utilised following the acquisition of essential population data. • population models also considered and utilised where considered more appropriate than PVA. • Population modelling available to assist management decision making. State governments and research agencies, DoE Objective 2: Quantify and reduce the impact of commercial fishing on the grey nurse shark through incidental (accidental and/or illegal) take, throughout its range. trial
recovery-plan-grey-nurse-shark-carcharias-taurus.docx