APIS Bibliography

Title	Authors	Year
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
Unintentional experiments with terrestrial ecosystems: ecological effects of sulphur and nitrogen pollutants	Lee, J.A.…	1998
Iron-manganese interactions among clones of nilegrass	Foy, C. D…	1998
Nitrogen deposition in Swiss forests and its possible relevance for leaf nutrient status, parasite attacks and soil acidification	Flückiger,…	1998
Effects of N additions on the stress sensitivity of Calluna vulgaris.	Poser, S.A…	1998
Denitrification and nitrous oxide concentration in the Humber Estuary, UK, and Adjacent Coastal zones	Barnes, J…	1998
Time-space analyses of the British lichen flora, with particular reference to air quality surveys	Seaward, M.…	1998
Impacts of nitrogen on Sphagnum dominated bogs with emphasis on critical load assessment	Risager, M…	1998