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
The fate of NH4NO3 added to Sphagnum magellanicum carpets at five European mire sites	Williams, B…	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
Persistent organic pollutants (POPS); state of the science	Jones, K.C…	1999
Methane release from peat soils: effects of Sphagnum and Juncus.	Roura-Carol…	1999
Tolerance of tropical common bean genotypes to manganese toxicity: performance under different growing conditions	González, A…	1999
Ranking of epiphytic lichen sensitivity to air pollution using survey data: A comparison of indicator scales	Van Dobben…	1999