Title Authors Year
Factors influencing nitrogen saturation in forest ecosystems: Advances in our understanding since the mid 1980s. in the impact of nitrogen deposition on natural and semi-natural ecosystems

Wilson, E.J…

1999
Ozone threshold doses and exposure response relationships for the development of ozone injury symptoms in wild plant species.

Bergmann, E…

1999
Response of three arbuscular mycorrhizal fungi to simulated acid rain and aluminium stress

Vosatka, M…

1999
Atmospheric deposition of acidifying and eutrophicating substances in dune slacks.

Sival, F.P…

1999
Indicators of climate change in the UK

Cannell, M.…

1999
Distribution in Portugal of some pollutants in the lichen Parmelia sulcata

Freitas, M…

1999
Environmental Health Criteria 200 Copper

WHO,

 		1998
Boron, zinc iron and managanese content in four grassland species

Adarve, M.…

1998
The impact of land use on N2O emissions from watersheds draining into the Northeastern Atlantic Ocean and European Seas

Kroeze, C…

1998
Significance of soil properties for content and distribution of cadmium and lead in natural calcareous soils

Sanchez-…

1998