Key points are not available for this paper at this time.
Biggs, R., G. D. Peterson, and J. C. Rocha. 2018. The Regime Shifts Database: a framework for analyzing regime shifts in social-ecological systems. Ecology and Society 23(3):9. https://doi.org/10.5751/ES-10264-230309
Biggs et al. (Mon,) studied this question.