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
Sensitive bioassays for risk assessment of contaminated soils

Vaughan, G…

1998
Ammonia: emission, atmospheric transport and deposition

Asman, W.A.…

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
Time-space analyses of the British lichen flora, with particular reference to air quality surveys

Seaward, M.…

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

Garcia, R…

1998
River Quality in Northern Ireland 1995

Service,…

1998