Title Authors Year
The impact of a road upon adjacent heathland vegetation: Effects on plant species composition

Angold, P.G…

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

Hessen, D.O…

1997
Stoneworts - connoisseurs of clean water

Stewart, N.…

1996
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
Biology of Freshwater Pollution

Mason, C.F…

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

Woolgrove,…

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

Oskarsson,…

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

UNECE,

 		1996
Quantitative relationships of invertebrates to pH in Norwegian river systems.

Larsen, J…

1996