Table 2. Types of vegetation transitions (1958-2002) grouped into presence of cork oak (Quercus suber L.) persistence or absence of cork oak persistence
(Fo: forest; Sa: savanna; Sr: shrubland; Gr: grassland)
| |
| |
Presence of cork oak persistence
(maintenance or
increase in tree cover) |
Absence of cork oak persistence
(absence or decrease in
tree cover) |
| |
|
Type of transition |
% from the total sampling units classified as presence
of oak persistence |
Type of transition |
% from the total sampling units classified as absence of
oak persistence |
|
Fo→Fo |
48 |
Fo→Sr |
33 |
|
Sa→Sa |
13 |
Sa→Sr |
17 |
|
Sa→Fo |
13 |
Sa→Gr |
8 |
|
Sr→Fo |
9 |
Sr→Sr |
17 |
|
Sr→Sa |
4 |
Gr→Sr |
17 |
|
Gr→Sa |
13 |
Gr→Gr |
8 |
|
| |
|