1. Stockholm Resilience Centre, Stockholm University, 106 91 Stockholm, Sweden.
2. Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, 113-8657 Tokyo, Japan.
3. Global Economic Dynamics and the Biosphere Academy Programme, Royal Swedish Academy of Sciences, 104 05 Stockholm, Sweden.
4. Institute for the Oceans and Fisheries, The University of British Columbia, 2202 Main Mall, Vancouver, British Columbia V6T1Z4, Canada.