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 Regional Overview of Mexico
Table 31. Protected areas in terrestrial ecological zones
Ecological
zone  
  
 Number
of areas  
  
 Surface
area (kmē)  
  
 % of
ecological
zone
 % of
national
total
Humid tropical 6 12465 6.10 0.63
Subhumid tropical 6 1109 0.34 0.06
Humid temperate 1 300 5.30 0.015
Subhumid temperate 22 3250 1.2 0.16
Arid and semi-arid 15 31,723 3.7 1.61
Multizonal areas 16 8454 2.4 0.43
Total 66 57,301   2.90