Title Authors Year
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
Soil nitrous oxide and nitric oxide emissions as indicators of the exceedance of critical loads of atmospheric nitrogen deposition in semi-natural ecosystems

Skiba, U.;…

1998
Potential NH4+ & NO3- uptake in seven Sphagnum species

Jauhiainen…

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

Sheppard, L…

1998
Proposed Environmental Quality Standards for Cobalt in Water

Grimwood, M…

1998
National Recommended Water Quality Criteria

EPA, US

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

Poser, S.A…

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

Pott, U ;…

1998
The effects of air-borne nitrogen pollutants on species diversity in natural and semi-natural European vegetation

Bobbink, R…

1998