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

Van Dobben…

1999
Undergrowth as a biomonitor for deposition of N and acidity in pine forest.

Van Dobben…

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

Freitas, M…

1999
Closing the global N2O budget: a retrospective analysis 1500 - 1994

Kroeze, C…

1999
The effect of increased deposition of atmospheric N on Cv in upland Britain.

Carroll, J.…

1999
Changes in distribution and abundance of submerged macrophytes in the Inner Bay at Long Point, Lake Erie: Implications for foraging waterfowl

Knapton, R.…

1999
Environmental Health Criteria 200 Copper

WHO,

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

Burkhardt,…

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

Hyvdrinen,…

1998
Local survival rates of the pied flycatchers (Ficedula hypoleuca) and the great tits (Parus major) in an air pollution gradient

Eeva, T.; E…

1998