3.3.1 ZT/CA 2030 forecasting
The forecast using ZT/CA data shows that the area will increase about
35.07 million ha in 2030 (Figure 2A). For this scenario the area will
increase about 0.18 million hectares
year-1 and the 95%
confidence interval show a range between 16.28 and 53.86. A second
forecast (Figure2B) shows that ZT/CA area will reach 34.39 million
hectares by 2030, with a 95% confidence interval of 18.88 and 49.90
million hectares. As shown in Figure 2B, this forecast considers the low
growth of ZT/CA in the last years to damp the indefinite growth.