Title Authors Year
A review of surface ozone background levels and trends.

Vingarzan,…

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

UNECE,

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

Sheppard, L…

2004
Quantifying dry NH3 release system to ombrotrophic bog from an automated NH3 field release system

Leith, I.D…

2004
Differential effects of nitrate and ammonium on three fen bryophyte species in relation to pollutant nitrogen input.

Paulissen,…

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
Silver birch and climate change: variable growth and carbon allocation responses to elevated concentrations of carbon dioxide and ozone.

Riikonen, J…

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

Flackiger,…

2004
The Ecological Effects of Diffuse Air Pollution from Road Transport.

Bignal, K…

2004