Title Authors Year
Stem growth reductions in mature Sitka spruce trees exposed to acid mist

Crossley, A…

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
Calculation and evaluation of sediment effect concentrations for the amphiod Hyalella azteca and the midge Chironomus riparius

Ingersoll,…

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

Woolgrove,…

1996
Responses of plants to atmospheric sulphur.

Rennenberg…

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

Oskarsson,…

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

Nojd, P.;…

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

UNECE,

 		1996