APIS Bibliography

Title	Authors	Year
Action for Scotland's Biodiversity	Usher, (Eds…	1999
Ranking of epiphytic lichen sensitivity to air pollution using survey data: A comparison of indicator scales	Van Dobben…	1999
Mapping of ammonia pollution with epiphytic lichens in the Netherlands	Van Herk, C…	1999
Distribution in Portugal of some pollutants in the lichen Parmelia sulcata	Freitas, M…	1999
Some effects of N on ectomycorrhizal diversity of Scots pine (Pinus sylvestris L.) in northeastern Germany.	Wöllecke, J…	1999
Closing the global N2O budget: a retrospective analysis 1500 - 1994	Kroeze, C…	1999
The effect of increased deposition of atmospheric N on Cv in upland Britain.	Carroll, J.…	1999
Changes in distribution and abundance of submerged macrophytes in the Inner Bay at Long Point, Lake Erie: Implications for foraging waterfowl	Knapton, R.…	1999
Concentration and distribution of extractable elements in a soil affected by tillage systems and fertilization	Lavado, R.…	1999
Protocol to abate acidification, eutrophication and ground-level ozone.	UNECE, .…	1999