Title Authors Year
Studies on the egg quality of the Great Tit (Parus major) in relation to soil-condition.

Weimer, V…

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

Van Dobben…

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

Sheppard, L…

1998
The role of different arbuscular mycorrhizal fungi in the growth of Calamagrostis villosa and Deschampsia flexuosa, in experiments with simulated acid rain

Vosatka, M…

1998
UNECE Critical Levels Workshop Proceedings

Guderian, R…

1998
Assessment of atmospheric heavy metals by moss monitoring with Isothecium stoloniferum Brid. in the Fraser Valley, B.C., Canada

Pott, U ;…

1998
The quality of shallow groundwaters in Northern Ireland

Robins, N.S…

1998