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Table 5 Median values of soil solution pH, NH4 and NO3 concentration as observed at 60–100-cm depth (Obs.) and predicted for 1990 (Mod.) by SMART2 for forests (PIN, SPR, DEC)

From: Modelling impacts of acid deposition and groundwater level on habitat quality and plant species diversity

Soil type

Na

pH

NH4

(molc m−3)

NO3

(molc m−3)

Obs.

Mod.

Obs.

Mod.

Obs.

Mod.

Obs.

Mod.

Sand poor

27

43226

4.0

3.8

0.08

0.01

0.25

0.85

Sand rich

28

10000

3.8

3.8

0.08

0.00

0.33

0.38

Peat

30

7724

3.8

3.8

0.24

0.02

0.02

0.07

Loess

40

826

4.3

3.8

0.04

0.01

0.72

0.50

Clay

13

3428

6.3

5.8

0.00

0.07

0.11

0.47

  1. a N represents the number observed and simulated soil vegetation combinations