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

Walker, K.J…

2004
Changes in vegetation and soil characteristics in coastal sand dunes along a gradient of atmospheric nitrogen deposition

Jones, M.L.…

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

Mitchell, R…

2004
Bioindicator and biomonitoring methods for assessing the effects of atmospheric nitrogen on statutory nature conservation sites

Sutton, M.A…

2004
Growth, production and interspecific competition in Sphagnum: effects of temperature, nitrogen and sulphur treatments on a boreal mire.

Gunnarsson…

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

UNECE,

 		2004