APIS Bibliography

Title	Authors	Year
Mapping of ammonia pollution with epiphytic lichens in the Netherlands	Van Herk, C…	1999
Estimating the uptake of traffic-derived NO2 from N-15 abundance in Norway spruce needles	Ammann, M…	1999
Indicators of climate change in the UK	Cannell, M.…	1999
Undergrowth as a biomonitor for deposition of N and acidity in pine forest.	Van Dobben…	1999
Environmental chemistry: End of acid reign?	Jenkins, A…	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
The effects of quantity and duration of simulated pollutant nitrogen deposition on root-surface phosphatase activities in Calcareous and acid grasslands: a bioassay approach	Johnson, D…	1999
Concentration and distribution of extractable elements in a soil affected by tillage systems and fertilization	Lavado, R.…	1999
Phytoaccumulation of trace elements by wetland plants II Water hyacinth	Zhu, Y. L…	1999