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
Environmental impacts of forest monocultures: water use, acidification, wildlife conservation and carbon storage.

Cannell, M.…

1999
Ranking of epiphytic lichen sensitivity to air pollution using survey data: A comparison of indicator scales

Van Dobben…

1999
Nitrogen and its effects on growth, nutrient status and parasite attacks in beech and Norway Spruce

Flückiger,…

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

Sival, F.P…

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

Freitas, M…

1999
Boron, zinc iron and managanese content in four grassland species

Adarve, M.…

1998
Environmental Health Criteria 200 Copper

WHO,

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

Kroeze, C…

1998
Natural abundance of 15N in forests across a nitrogen deposition gradient

Emmett, B.A…

1998