Figures & data
Figure 1. Four research locations and distribution of historical rubber production sites (colocações) in Amazonas State, Brazil. (note: data on rubber production sites from www.sipam.gov.br). A, The black-water River Negro watershed; B, part of the white-water River Madeira watershed. No. 1 indicates the lower Negro research area, No. 2 indicates the middle Madeira research area, No. 3 indicates the Aracá research area and No. 4 indicates the Abacaxi research area. Dots along the Aracá and Abacaxi sub-tributaries mark the approximate locations of families interviewed in the quantitative surveys by LP.
![Figure 1. Four research locations and distribution of historical rubber production sites (colocações) in Amazonas State, Brazil. (note: data on rubber production sites from www.sipam.gov.br). A, The black-water River Negro watershed; B, part of the white-water River Madeira watershed. No. 1 indicates the lower Negro research area, No. 2 indicates the middle Madeira research area, No. 3 indicates the Aracá research area and No. 4 indicates the Abacaxi research area. Dots along the Aracá and Abacaxi sub-tributaries mark the approximate locations of families interviewed in the quantitative surveys by LP.](/cms/asset/38f70edb-6bc6-4998-b6c7-8c2febf5076d/fjps_a_1296833_f0001_oc.jpg)