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

Nilsen, P…

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

Van Dobben…

1998
Air pollution fades the plumage of the Great Tit

Eeva, T.; E…

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

Hyvdrinen,…

1998
Assessment of the exposure and loads of acidifying and eutrophying pollutants and ozone, as well as their harmful influence on the vitality of the trees and the speulder forest ecosystem as a whole.

Erisman, J.…

1998
The relationship between nitrogen deposition, species composition and foliar nitrogen concentrations in woodland flora in the vicinity of livestock farms.

Pitcairn, C…

1998
Early effects of acid mist on Sitka spruce planted on acid peat.

Sheppard, L…

1998
National Recommended Water Quality Criteria

EPA, US

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

Rennenberg…

1998
UNECE Critical Levels Workshop Proceedings

Guderian, R…

1998