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Table 4 Correlation matrix between the variables of Tucuruí, Balbina, Samuel, and Belo Monte HPPs

From: Protected areas as strategies for preserving vegetation cover in the vicinity of hydroelectric projects in the Brazilian Amazon

Correlation matrix % Def_2015 % PAs_2015 % ILs_2015 % SPs_2015 % Def_PAs_2015 % Def_ILs_2015 % Def_SPs_2015 Extension of roads Creation_PAs Time_Constr_1stPA Approval_Ils Time_Constr_Approv_Ils
% Def_2015 1
% PAs_2015 − 0.623 1
% ILs_2015 − 1.000 0.614 1
% SPs_2015 0.941 − 0.837 − 0.940 1
% Def_PAs_2015 0.812 − 0.757 − 0.796 0.812 1
% Def_ILs_2015 0.175 0.584 − 0.195 − 0.071 − 0.353 1
% Def_SPs_2015 0.907 − 0.319 − 0.917 0.784 0.499 0.558 1
Extension of roads 0.979 − 0.696 − 0.973 0.936 0.915 − 0.002 0.804 1
Creation_PAs − 0.075 − 0.400 0.100 0.022 0.522 − 0.870 − 0.476 0.133 1
Time_Constr_1stPA 0.721 − 0.644 − 0.703 0.686 0.981 − 0.372 0.396 0.846 0.616 1
Approval_Ils 0.389 − 0.804 − 0.367 0.531 0.828 − 0.817 − 0.035 0.560 0.853 0.832 1
Time_Constr_Approv_Ils 0.432 − 0.652 − 0.409 0.479 0.878 − 0.683 0.027 0.609 0.866 0.923 0.956 1
  1. %Def_2015—accumulated deforestation surrounding the HPP up to 2015
  2. %PAs_2015—percentage of PAs surrounding the HPP up to 2015
  3. %ILs_2015—percentage of ILs surrounding the HPP up to 2015
  4. %SPs_2015—percentage of SPs surrounding the HPP up to 2015
  5. %Def_PAs_2015—accumulated deforestation in protected areas up to 2015
  6. %Def_ILs_2015—accumulated deforestation in ILs up to 2015
  7. %Def_SPs_2015—accumulated deforestation in SPs up to 2015
  8. Extension of roads—extension of roads surrounding the HPP up to 2015
  9. Creation_PAs—creation of protected areas directly related with the hydroelectric power plants
  10. Time_Constr_1stPA—time (years) between the beginning of the construction of the power plants and the creation of the first protected area
  11. Approval_ILs—registered indigenous lands directly related to the project
  12. Time_Constr_Approv_ILs—time (years) between the beginning of the construction of the power plants and the approval of the first indigenous land
  13. More significant correlations are highlighted in italics