Title Authors Year
Effects of experimental acidification, nitrogen addition and liming on ground vegetation in a mature stand of Norway spruce (Picea abies (L.) Karst.) in SE Sweden

Hallbdcken…

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

Pott, U ;…

1998
Ammonia: emission, atmospheric transport and deposition

Asman, W.A.…

1998
Differential effects of ammonium nitrate on three heathland species

De Graaf, M…

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

Dobben, H.F…

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

Seaward, M.…

1998
A review of boron effects in the environment

Howe, P. D…

1998
Dispersion, deposition and impacts of atmospheric ammonia: quantifying local budgets and spatial variability

Sutton, M.A…

1998
Effects of grass-encroachment on vegetation and soil in Dutch dry dune grasslands

Veer, M.A.C…

1998
Environmental effects of ozone depletion: 1998 assessment

UNEP,

 		1998