Paul M. Regular

This paper introduces a state-space multispecies production model to improve population estimates by accounting for species interactions and environmental effects, showing increased accuracy in biomass estimates and revealing common environmental drivers of population collapses.

The paper models ecosystem changes in Newfoundland & Labrador after the cod collapse, showing shifts in biomass and species dominance, with capelin remaining low and Arctic cod becoming more prevalent.

The paper identifies a supergene linked to migration in Atlantic cod, showing reduced genetic diversity and population collapse due to overfishing.