Title Authors Year
Predicting nitrate concentrations in Northern Ireland rivers using time series analysis

Strong, K.M…

1997
Human impacts on the nitrogen cycle: A global problem judged from a local perspective

Hessen, D.O…

1997
Impact of grazing and atmospheric nitrogen deposition on the vegetation of dry coastal dune grasslands

Harkle, M.J…

1996
Acid deposition and soils: a perspective for nature conservation

Bareham, S.…

1996
Stoneworts - connoisseurs of clean water

Stewart, N.…

1996
Current and historical relationships between the tissue N content of a snowbed bryophyte and nitrogenous air pollution.

Woolgrove,…

1996
Manual on methodologies and criteria for mapping critical levels/loads and geographical areas where they are exceeded

UNECE,

 		1996
Growth variation of Scots Pine across a pollution gradient on the Kola peninsula, Russia

Nojd, P.;…

1996
Adverse health effects due to soil water acidification: a Swedish research programme

Oskarsson,…

1996
Freshwater sponges (Porifera: Spongillidae) of Norway: Distribution and ecology.

Økland, K.A…

1996