Title Authors Year
Effects of experimental acidification, nitrogen addition and liming on ground vegetation in a mature stand of Norway spruce (Picea abies (L.) Karst.) in SE Sweden

Hallbdcken…

1998
Ammonia: emission, atmospheric transport and deposition

Asman, W.A.…

1998
The nitrogen content of upland rivers in Britain: the significance of organic N

Chapman, P.…

1998
The effect of air pollution from nitrogen dioxide (NO2) on epiphytic lichens in Seville, Spain.

Funetes, J.…

1998
Differential effects of ammonium nitrate on three heathland species

De Graaf, M…

1998
Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: The pitfalls of biological monitoring

Dobben, H.F…

1998
Nitrogen deposition and ectomycorhizas

Wallenda, T…

1998
Assessment of Cd, Pb and Zn contamination in roadside soils and grasses from Gipuzkoa (Spain)

Garcia, R…

1998
Effects of grass-encroachment on vegetation and soil in Dutch dry dune grasslands

Veer, M.A.C…

1998
Environmental effects of ozone depletion: 1998 assessment

UNEP,

 		1998