Table 1. Criteria table for the three-date image processing showing changes in tree numbers.

Code Oldest image Middle image Latest image
1 Tree visible (T) Tree visible (T) Tree visible (T)
2 Tree visible (T) Tree visible (T) Tree missing (NT)
3 Tree visible (T) Tree missing (NT) Tree missing (NT)
4 Tree missing (NT) Tree visible (T) Tree visible (T)
5 Tree missing (NT) Tree missing (NT) Tree visible (T)


Pathways T – NT – T and NT – T – NT were not considered.