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Employment
- 2016 - Present: Sub-contracting Consultant
- Landmark Fisheries Research (Port Moody, BC)
- Supervisors: Ashleen Benson, Sean Cox
- 2016 - Present: MITACS Accelerate Intern
- Wild Canadian Sablefish (Steveston, BC)
- Pacific Halibut Management Association (Vancouver, BC)
- Canadian Groundfish Research and Conservation Society (New Westminster, BC)
- Supervisors: Sean Cox, Chris Acheson, Chris Sporer, Bruce Turris
- 2015 - 2016: MITACS Accelerate Intern
- Wild Canadian Sablefish (Steveston, BC)
- Supervisors: Sean Cox, Chris Acheson
- 2012 - 2014: Research Assistant
- Department of Mathematics, Simon Fraser University (Burnaby, BC)
- Supervisor: Marni Mishna
Education
- 2014 - 2019 (Expected) PhD, Resource and Environmental Management
- Simon Fraser University (Burnaby, BC)
- Advisor: Associate Professor Sean Cox
- Thesis title: Multispecies Management Tools for Multi Sector Fisheries
- 2010 - 2012: MSc, Mathematics
- Simon Fraser University (Burnaby, BC)
- Advisor: Associate Professor Marni Mishna
- Thesis title: Analytic Combinatorics of Planar Lattice Paths
- 2005-2009: B. Mathematics (Hons)
- University of Newcastle (Newcastle, NSW)
- Honours Advisor: Associate Professor George Willis
- Honours Thesis Title: Simple Groups of Automorphisms of Locally Finite Trees
Technical Skills
- I am proficient in the R statistical language, Rmarkdown, latex, Auto-Differentiation Model Builder (ADMB), and Template Model Builder (TMB)
- I have used SQL, Python, and C++
- I’ve conducted closed loop simulations in a management strategy evaluation (MSE) framework for simulated and real fishery management systems, including Northern Cod (Gadus morhua) in Atlantic Canada, and Sablefish (Anoplopoma fimbria) and Herring (Clupea pallasii) in Pacific Canada
- I’m experienced in teaching technical material in both small and large classroom settings
Publications
Refereed journal publications
Johnson, S. D. N. and Cox, S. P. Evaluating the role of data quality when sharing information in hierarchical multi-stock assessment models, with an application to dover sole. Canadian Journal of Fisheries and Aquatic Sciences, 2019. https://doi.org/10.1139/cjfas-2018-0048
Doherty, B., Johnson, S. D. N. and Cox, S. P. Using autonomous video to estimate the bottom contact area of longline trap gear and presence-absence of sensitive benthic habitat. Canadian Journal of Fisheries and Aquatic Sciences, 2018. https://doi.org/10.1139/cjfas-2016-0483
Johnson S., Mishna M. and Yeats K. A combinatorial understanding of lattice path asymptotics. Advances in Applied Mathematics, 2017. https://doi.org/10.1016/j.aam.2017.08.001
Manuscripts in progress
Johnson, S. D. N., and Cox, S. P. A heirarchical age-structured operating model for 5 species of British Columbia right-eyed flounders (Pleuronectidae) in three stock areas.
Johnson, S. D. N., Cox, S. P., Benson, A. J. The effect of posterior sampling on metrics of objective performance when conditioning operating models for management strategy evaluation
Johnson, S. D. N., Wang, L., and Cox, S. P. Avoiding non-target species in a multi-species fishery, with an application to regulatory discards of juvenile sablefish.
