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
The fate of mineral nitrogen in a fen with Sphagnum fallax Klinggr. and Carex rostrata Stokes (Massif-central, France)	Francez, A.…	1999
Nitrogen and its effects on growth, nutrient status and parasite attacks in beech and Norway Spruce	Flückiger,…	1999
The Kyoto Protocol: A guide and assessment	Grubb, M.;…	1999
Distribution in Portugal of some pollutants in the lichen Parmelia sulcata	Freitas, M…	1999
The fate of NH4NO3 added to Sphagnum magellanicum carpets at five European mire sites	Williams, B…	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
Tolerance of tropical common bean genotypes to manganese toxicity: performance under different growing conditions	González, A…	1999