Title Authors Year
Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa

Hyvdrinen,…

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

Burkhardt,…

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
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
Ecological effects of atmospheric reactive N deposition on semi-natural terrestrial ecosystems.

Lee, J.A.;…

1998
The nitrogen content of upland rivers in Britain: the significance of organic N

Chapman, P.…

1998
Nitrogen deposition and ectomycorhizas

Wallenda, T…

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