Title Authors Year
Ecosystem research and the European Union policy needs

Lawton, (…

1998
National Recommended Water Quality Criteria

EPA, US

 		1998
Effects of N additions on the stress sensitivity of Calluna vulgaris.

Poser, S.A…

1998
Discriminant analysis of the terrestrial and aquatic habitat determinants of the smooth newt (Triturus vulgaris) and the common frog (Rana temporaria) in Ireland

Marnell, F…

1998
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
UNECE Critical Levels Workshop Proceedings

Guderian, R…

1998
Modelling the spatial distribution of ammonia emissions in the UK

Dragosits,…

1998
Sensitive bioassays for risk assessment of contaminated soils

Vaughan, G…

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

Dobben, H.F…

1998
Differential effects of ammonium nitrate on three heathland species

De Graaf, M…

1998