Table 7.3 - Predicted forested areas exceeding critical values of aluminium and/or aluminium/base cations in soil solution at present and in a (future) steady-state situation
Sources: (based on current deposition levels)
1 de Vries et al, 1994; 2 de Vries et al, 1992
Parameter | Critical value | Forested area exceeding critical values (% ) | |
---|---|---|---|
Present situation1 | Steady-state situation2 | ||
Al concentration | 0.2 molc m3 | 28 | 43 |
Al/BC ratio | 1.0 mol/mol | 14 | 30 |
Al and Al/BC | as above | 30 | 45 |