Publications

Jim Leape, Bronwen Golder, Richard Barnes, Jean-Baptiste Jouffray, Dawn Borg-Costanzi, Jessica L Decker Sparks, Jaeyoon Park, Robert Blasiak, Elizabeth R Selig, Shinnosuke Nakayama, Colette C.C. Wabnitz. 2025. Leveraging port state measures to combat illegal, unreported and unregulated fishing. Science Advances. https://doi.org/10.1126/sciadv.ads1592

Illegal, unreported, and unregulated (IUU) fishing threatens the sustainability of fisheries and communities dependent on them. The Port State Measures Agreement (PSMA) is a key tool for combatting IUU fishing by foreign fleets, requiring standardized inspections, information sharing, and port denial. Using satellite data, we characterized how PSMA has affected high seas vessel behavior and identify opportunities to strengthen...

Colette C.C. Wabnitz, Gabriel Reygondeau, Bianca Silva Santos, Juliano Palacios-Abrantes, Thomas Lukas Frölicher, William W. L. Cheung, U. Rashid Sumaila. 2025. Climate change drives shifts in straddling fish stocks in the world’s ocean. Science Advances. https://doi.org/10.1126/sciadv.adq5976

Climate-induced distribution changes are particularly challenging for fisheries targeting fish populations shared between exclusive economic zones (EEZs) and the high seas, known as straddling stocks. Here, we combine multiple datasets and ecosystem modeling to identify the presence of straddling stocks worldwide and consider the management implications of climate change–driven shifts. We identify 347 straddling stocks across ...

Colette C.C. Wabnitz, William W. L. Cheung, Lauren Shea, Rashid Sumaila, Daniel Pauly. 2025. Spatial Distribution of Fishmeal and Fish Oil Factories Around the Globe. Science Advances. https://doi.org/10.1126/sciadv.adr6921

Fishmeal and fish oil (FMFO) are critical inputs for the compound aquatic feeds sustaining the fed aquaculture sector, yet there is limited publicly available information on the location of FMFO production factories around the globe. This makes it difficult to assess the environmental, social, and economic impacts of individual factories and the industry’s footprint as a whole. To fill this knowledge gap, we compiled location ...