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

Bobbink, R…

1998
The effect of air pollution from nitrogen dioxide (NO2) on epiphytic lichens in Seville, Spain.

Funetes, J.…

1998
Impacts of nitrogen on Sphagnum dominated bogs with emphasis on critical load assessment

Risager, M…

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
Boron, zinc iron and managanese content in four grassland species

Adarve, M.…

1998
Studies on the egg quality of the Great Tit (Parus major) in relation to soil-condition.

Weimer, V…

1998
Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements

Burkhardt,…

1998
Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa

Hyvdrinen,…

1998
Effects of ammonia deposition on forests in the Netherlands

Van der…

1998