Title Authors Year
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
Impacts of nitrogen on Sphagnum dominated bogs with emphasis on critical load assessment

Risager, M…

1998
A new inventory for ammonia emissions from U.K. agriculture

Pain, B.F…

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

Sutton, M.A…

1998
Natural abundance of 15N in forests across a nitrogen deposition gradient

Emmett, B.A…

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

Van Dobben…

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

Jauhiainen…

1998
Unintentional experiments with terrestrial ecosystems: ecological effects of sulphur and nitrogen pollutants

Lee, J.A.…

1998
Nitrogen deposition in Swiss forests and its possible relevance for leaf nutrient status, parasite attacks and soil acidification

Flückiger,…

1998