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
Boron, zinc iron and managanese content in four grassland species

Adarve, M.…

1998
Effects of ammonia deposition on forests in the Netherlands

Van der…

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

Hyvdrinen,…

1998
Effects of carbon dioxide and nitrogen enrichment on a plantinsect interaction: the quality of Calluna vulgaris as a host for Operophtera brumata

Kerslake, J…

1998
Iron-manganese interactions among clones of nilegrass

Foy, C. D…

1998
Some effects of acid rain on the mobilisation of elements from bird eggs.

Pyatt, F.B…

1998
The relationship between nitrogen deposition, species composition and foliar nitrogen concentrations in woodland flora in the vicinity of livestock farms.

Pitcairn, C…

1998
UNECE Critical Levels Workshop Proceedings

Guderian, R…

1998