APIS Bibliography

Title	Authors	Year
Differential effects of ammonium nitrate on three heathland species	De Graaf, M…	1998
Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: The pitfalls of biological monitoring	Dobben, H.F…	1998
Dispersion, deposition and impacts of atmospheric ammonia: quantifying local budgets and spatial variability	Sutton, M.A…	1998
Impacts of nitrogen on Sphagnum dominated bogs with emphasis on critical load assessment	Risager, M…	1998
Studies on the egg quality of the Great Tit (Parus major) in relation to soil-condition.	Weimer, V…	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
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 atmospheric NH3 on epiphytic lichens in the Netherlands: the pitfalls of biological monitoring.	Van Dobben…	1998