Forest type Mean stand age
(years)
Aboveground carbon stock
(tons ha1)
Actual carbon
stock
Adjusted
carbon stock
Old secondary forest 63.3 ± 7.9 195.8 ± 36.8bc 156.4 ± 19.9a
Middle-aged secondary
forest
33.3 ± 4.9 100.7 ± 15.2ab 133.8 ± 19.6a
Young secondary forest 10.0 ± 0.0 59.3 ± 4.8a 150 ± 22.8a
Bischofia javanica
plantation
40.1 ± 0.7 149.2 ± 3.2abc 164.1 ± 11.2a
Cupressus lusitanica
plantation
34.3 ± 2.2 96.4 ± 0.2ab 133.6 ± 10.7a
Maesopsis eminii
plantation
51.0 ± 9.3 157.6 ± 21.0abc 148.0 ± 19.2a
Mixed indigenous
plantation
70.3 ± 2.9 240.3 ± 23.3c 183.5 ± 20.7ab
Pinus patula plantation 42.9 ± 2.0 106.3 ± 7.5ab 121.4 ± 10.7a
Disturbed primary
forest (control)
150.0 ± 0.0 345.0 ± 54.4d 93.9 ± 39.5a
p value