APIS Bibliography

Title	Authors	Year
Distribution in Portugal of some pollutants in the lichen Parmelia sulcata	Freitas, M…	1999
Undergrowth as a biomonitor for deposition of N and acidity in pine forest.	Van Dobben…	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
Closing the global N2O budget: a retrospective analysis 1500 - 1994	Kroeze, C…	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
The resistance of the moss Polytrichum commune to acute exposure of simulated acid rain or ozone compared to two fern species: Spore germination	Bosley, A…	1999
Impact of heavy metals on denitrification in surface wetland sediments receiving wastewater	Sakadevan,…	1999
Do acid rain and calcium supply limit eggshell formation for blue tits (Parus caeruleus) in the UK?	Ramsay, S.L…	1999
Action for Scotland's Biodiversity	Usher, (Eds…	1999