Elevated nonlinearity as indicator of transition to overexploitation in fish stocks
Vasilis Dakos, Sarah Glaser, Chih-hao Hsieh, George Sugihara
The paper uses a Ricker-type model to simulate fisheries population transitions and finds that variance and nonlinearity increase similarly in both overexploitation and boom-bust scenarios, suggesting they could rank extinction risk.
bioRxiv · May 3, 2016Ecology