Title Authors Year
River Habitat Quality

Service,…

1998
Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa

Hyvdrinen,…

1998
Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements

Burkhardt,…

1998
Effects of experimental acidification and liming on terrestrial invertebrates: implications for calcium availability to vertebrates

Ormerod, S.…

1998
Nitrogen and drought effects on ectomycorrhizae of Norway spruce [Picea abries L. (Karst.)].

Nilsen, P…

1998
Unintentional experiments with terrestrial ecosystems: ecological effects of sulphur and nitrogen pollutants

Lee, J.A.…

1998
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
Consequences of high loads of nitrogen for spruce (Picea abies) and beech (Fagus sylvatica) forests.

Rennenberg…

1998