Title Authors Year
A new inventory for ammonia emissions from U.K. agriculture

Pain, B.F…

1998
Time-space analyses of the British lichen flora, with particular reference to air quality surveys

Seaward, M.…

1998
Boron, zinc iron and managanese content in four grassland species

Adarve, M.…

1998
National Monitoring Programme - Survey of the Quality of UK Coastal Waters

Group,…

1998
Environmental Health Criteria 200 Copper

WHO,

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

Ormerod, S.…

1998
River Habitat Quality

Service,…

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

Nilsen, P…

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

Hyvdrinen,…

1998
National Recommended Water Quality Criteria

EPA, US

 		1998