Title Authors Year
Decline of acid-sensitive plant species in heathland can be attributed to ammonium toxicity in combination with low pH.

Van Den…

2005
A review of surface ozone background levels and trends.

Vingarzan,…

2004
The restoration and re-creation of species-rich lowland grassland on land formerly managed for intensive agriculture in the UK.

Walker, K.J…

2004
Aluminium concentration versus the base cation to aluminium ratio as predictors for aluminium toxicity in Pinus sylvestris and Picea abies seedlings.

Van Scholl…

2004
Wie geht es unserem Wald? Ergebnisse aus Dauerbeobachtungsflachen von 1984 bis 2004

Flackiger,…

2004
Impact of nitrogen deposition on the species richness of grasslands

Stevens, C.…

2004
An Automated Wet Deposition System to Compare the Effects of Reduced and Oxidised N on Ombrotrophic Bog Species: Practical Considerations

Sheppard, L…

2004
Manual on methodologies and criteria for modelling and mapping critical loads and levels and air pollution effects risks, and trends,

UNECE,

 		2004
Effects of enhanced N deposition on Cladonia portentosa; results from a field manipulation study.

Sheppard, L…

2004
Growth and tissue nitrogen of epiphytic Atlantic bryophytes: effects of increased and decreased atmospheric N deposition.

Mitchell, R…

2004