APIS Bibliography

Title	Authors	Year
Factors influencing nitrogen saturation in forest ecosystems: Advances in our understanding since the mid 1980s. in the impact of nitrogen deposition on natural and semi-natural ecosystems	Wilson, E.J…	1999
Impact of heavy metals on denitrification in surface wetland sediments receiving wastewater	Sakadevan,…	1999
Ranking of epiphytic lichen sensitivity to air pollution using survey data: A comparison of indicator scales	Van Dobben…	1999
Do acid rain and calcium supply limit eggshell formation for blue tits (Parus caeruleus) in the UK?	Ramsay, S.L…	1999
Indicators of climate change in the UK	Cannell, M.…	1999
Mapping of ammonia pollution with epiphytic lichens in the Netherlands	Van Herk, C…	1999
Closing the global N2O budget: a retrospective analysis 1500 - 1994	Kroeze, C…	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
The influence of wooded shelterbelts on the deposition of copper, lead and zinc at Shakerley Mere, Cheshire, England	Heath, B. A…	1999
Concentration and distribution of extractable elements in a soil affected by tillage systems and fertilization	Lavado, R.…	1999