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
A review of boron effects in the environment

Howe, P. D…

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

Risager, M…

1998
Assessment of Cd, Pb and Zn contamination in roadside soils and grasses from Gipuzkoa (Spain)

Garcia, R…

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
Air pollution fades the plumage of the Great Tit

Eeva, T.; E…

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

Hyvdrinen,…

1998
Assessment of the exposure and loads of acidifying and eutrophying pollutants and ozone, as well as their harmful influence on the vitality of the trees and the speulder forest ecosystem as a whole.

Erisman, J.…

1998