APIS Bibliography

Title	Authors	Year
Effects of N additions on the stress sensitivity of Calluna vulgaris.	Poser, S.A…	1998
UNECE Critical Levels Workshop Proceedings	Guderian, R…	1998
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
Nitrogen deposition and ectomycorhizas	Wallenda, T…	1998
Time-space analyses of the British lichen flora, with particular reference to air quality surveys	Seaward, M.…	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
Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: the pitfalls of biological monitoring.	Van Dobben…	1998
Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements	Burkhardt,…	1998