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

Pitcairn, C…

1998
Some effects of acid rain on the mobilisation of elements from bird eggs.

Pyatt, F.B…

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

Pott, U ;…

1998
UNECE Critical Levels Workshop Proceedings

Guderian, R…

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

Poser, S.A…

1998
The nitrogen content of upland rivers in Britain: the significance of organic N

Chapman, P.…

1998
Ammonia: emission, atmospheric transport and deposition

Asman, W.A.…

1998