APIS Bibliography

Title	Authors	Year
Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: The pitfalls of biological monitoring	Dobben, H.F…	1998
Environmental effects of ozone depletion: 1998 assessment	UNEP,	1998
Impacts of nitrogen on Sphagnum dominated bogs with emphasis on critical load assessment	Risager, M…	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
Effects of grass-encroachment on vegetation and soil in Dutch dry dune grasslands	Veer, M.A.C…	1998
Boron, zinc iron and managanese content in four grassland species	Adarve, 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
Potential NH4+ & NO3- uptake in seven Sphagnum species	Jauhiainen…	1998