Ecosystem

Time

SO4-S

Ntot

Reference

Linnebjer, S

Open field

1967

11.0

9.3

[4] .

-“-

-“-

Quercus

1967

34.4

22.4

Quercus

2013

4 - 6

12.0

Baldringe, S

Fagus

2013

3

9

[6] .

Skovbjer, DK

Open field

1997-2000

7.8

12.9

[7] .

-“-

Quercus/Fagus

1977-2000

11.5

20.2