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
Arsenic in wetland vegetation: Availability, phytotoxicity, uptake and effects on plant growth and nutrition

Carbonell,…

1998
The effects of air-borne nitrogen pollutants on species diversity in natural and semi-natural European vegetation

Bobbink, R…

1998
UNECE Critical Levels Workshop Proceedings

Guderian, R…

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
A new inventory for ammonia emissions from U.K. agriculture

Pain, B.F…

1998
Dispersion, deposition and impacts of atmospheric ammonia: quantifying local budgets and spatial variability

Sutton, M.A…

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