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

Ecological Processes

Table 6 Predicted median pH and NO₃ concentration in the root zone for the distinguished vegetation structure types on all soil types in 1990, 2010 and 2030 in response to combined deposition and hydrology scenarios

Vegetation	1990	2010	2030^a
			II	BB	IB	BI
	pH
Spruce	3.93	4.03	4.01	4.02	4.01	4.02
Pine	3.98	4.08	4.06	4.06	4.06	4.07
Deciduous	4.07	4.19	4.17	4.18	4.17	4.19
Heather	3.82	3.88	3.85	3.85	3.85	3.85
Grass	4.09	4.30	4.30	4.40	4.39	4.32
All	3.99	4.09	4.07	4.08	4.07	4.08
	NO₃ concentration (mol_c m⁻³)
Spruce	1.42	0.77	0.78	0.91	0.85	0.82
Pine	0.95	0.52	0.53	0.63	0.55	0.59
Deciduous	0.50	0.28	0.26	0.34	0.31	0.29
Heather	0.66	0.43	0.38	0.47	0.40	0.45
Grass	0.21	0.17	0.16	0.23	0.21	0.18
All	0.66	0.41	0.36	0.47	0.42	0.42

^a The first character refers to the deposition scenario and the second character refers to the hydrology scenario, e.g. IB refers to IE deposition scenario and to the BU hydrology scenario