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Mr Brett Crisafulli

Overview of thesis

There is a clear importance for developed nations to manage commercial and recreational fisheries to ensure an equitable balance between sectors according to sustainability, social and economic objectives that are underpinned by credible evidence. Resource abundance will dynamically change in accordance with increasing human populations, improvements in technology and changes in fisher behaviour. Improvements in technology, such as higher resolution sounding, weather forecasting and angling equipment, and competition between sectors may lead to increased risk to sustainability. Consequently, the ability to produce accurate estimates of catch at appropriate scales for management and sustainability assessments are likely to have growing scrutiny on survey estimates and their methodology.

Collection of catch and effort data from the recreational sector can be expensive and logistically-challenging, especially in Western Australia. The ability to produce robust estimates from cost-effective survey methods and determine the impact of fluctuating resources and fisher behaviour on management and assessments is an ongoing concern. This project aims to provide methodologies to help future-proof monitoring of the recreational fishing sector through cost-effective and adaptable survey designs, analysis of survey data and stock assessments that operate at spatial scales relevant to informing management.

Project link: Variability and impact of released catch


  • Bachelor of Science (Hons)
  • Coxswains Grade 1 (Near Coastal)
  • SSI Rescue Diver, 200+ logged Dives with 90hrs bottom time
  • Certificate IV in Frontline Management
  • Apply first aid HLTAID003
  • DAN O2 Provider
  • ESRI ArcDesktop III: Workflows and Analysis
  • Fisheries Science
  • Fish Biology
  • Ecology


Past Research employment history

2008-Present: Senior Technical Officer | Department of Primary Industries and Regional Development (DPIRD) | WA

Recent Publications

Partridge, G. J., Ginbey, B. M., Woolley, L. D., Fairclough, D. V., Crisafulli, B., Chaplin, J., ... & Jenkins, G. I. (2017). Development of techniques for the collection and culture of wild-caught fertilised snapper (Chrysophrys auratus) eggs for stock enhancement purposes. Fisheries research186, 524-530.

Fairclough, D. V., Brown, J. I., Carlish, B. J., Crisafulli, B. M., & Keay, I. S. (2014). Breathing life into fisheries stock assessments with citizen science. Scientific Reports4, 7249.

Fairclough, D. V., Molony, B. W., Crisafulli, B. M., Keay, I. S., Hesp, S. A., & Marriott, R. J. (2014). Status of demersal finfish stocks on the west coast of Australia.

Fairclough, D. V., Edmonds, J. S., Jackson, G., Lenanton, R. C. J., Kemp, J., Molony, B. W., ... & Wakefield, C. B. (2013). A comparison of the stock structures of two exploited demersal teleosts, employing complementary methods of otolith element analysis. Journal of Experimental Marine Biology and Ecology439, 181-195.


Associate Professor Ute Mueller
Dr Johnny Lo
Dr Aiden Fisher
Dr David Fairclough (DPIRD)
Ms Karina Ryann (DPIRD)


PhD Student
Mr Brett Crisafulli
Centre for Marine Ecosystems Research
School of Science
Mobile: 0432594379
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