APIS Bibliography

Title	Authors	Year
Distribution in Portugal of some pollutants in the lichen Parmelia sulcata	Freitas, M…	1999
Nitrogen deposition makes a minor contribution to carbon sequestration in temperate forests.	Nadelhoffer…	1999
Undergrowth as a biomonitor for deposition of N and acidity in pine forest.	Van Dobben…	1999
The effect of increased deposition of atmospheric N on Cv in upland Britain.	Carroll, J.…	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
Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa	Hyvdrinen,…	1998
Some effects of acid rain on the mobilisation of elements from bird eggs.	Pyatt, F.B…	1998
The relationship between nitrogen deposition, species composition and foliar nitrogen concentrations in woodland flora in the vicinity of livestock farms.	Pitcairn, C…	1998
UNECE Critical Levels Workshop Proceedings	Guderian, R…	1998