APIS Bibliography

Title	Authors	Year
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
Environmental Health Criteria 200 Copper	WHO,	1998
Boron, zinc iron and managanese content in four grassland species	Adarve, M.…	1998
Effects of ammonia deposition on forests in the Netherlands	Van der…	1998
Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements	Burkhardt,…	1998
Natural abundance of 15N in forests across a nitrogen deposition gradient	Emmett, B.A…	1998
Effects of carbon dioxide and nitrogen enrichment on a plantinsect interaction: the quality of Calluna vulgaris as a host for Operophtera brumata	Kerslake, J…	1998
Potential NH4+ & NO3- uptake in seven Sphagnum species	Jauhiainen…	1998
Nitrogen deposition in Swiss forests and its possible relevance for leaf nutrient status, parasite attacks and soil acidification	Flückiger,…	1998