Ben Stewart-Koster
Griffith University

Ben Stewart-Koster profile photoDr Ben Stewart-Koster

Key researcher

Senior Research Fellow, Australian Rivers Institute, Griffith University

See Dr Stewart-Koster’s full research profile here.


Dr Stewart-Koster is a quantitative ecologist with expertise in statistical modelling for ecological applications. He works on basic and applied research in aquatic systems from local to global scales collaborating with researchers, Traditional Owners, natural resource managers and farmers on projects across Europe, Asia, the USA and Australia. With a broad focus on relationships between river flows and aquatic ecosystems, he applies innovative statistical approaches to identify important ecological relationships and guide the management of river ecosystems. Complementing this ecological research, his work examining the role of aquatic ecosystem health in achieving water security in the face of a changing climate and growing population.

Research outputs linked to policy change and decision-making

  • Environmental water needs of the Mitchell River – National Environmental Science Program
  • Tilapia incursion in the Mitchell River catchment – Department of Agriculture, Water and the Environment, Emerging Priorities Project
  • Northern Australia Water Resource Assessment – CSIRO
  • Sustainability of rice-shrimp farming on the Mekong Delta, Vietnam – Australian Centre for International Agricultural Research.

Current academic employment and positions

  • 2013–present: Research Fellow, Australian Rivers Institute, Griffith University.

Major prizes, medals and honours

  • Nominated for Eureka Prize for Interdisciplinary Scientific Research (NAWRA) 2020
  • CSIRO Chairman’s Collaboration Award (NAWRA) 2020.

My Projects

Current projectCompleted project
NESP RLH, 2021-2027NESP, 2015-2021NERP, 2012-2015TRaCK, 2005-present