Title Authors Year
Options for reducing the negative effects of nitrogen in agriculture

Freney, J.…

2005
The restoration and re-creation of species-rich lowland grassland on land formerly managed for intensive agriculture in the UK.

Walker, K.J…

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

UNECE,

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

Paulissen,…

2004
A review of surface ozone background levels and trends.

Vingarzan,…

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

Jones, M.L.…

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

Sutton, M.A…

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