APIS Bibliography

Title	Authors	Year
Effect of vanadium on the growth of soybean seedlings	Wang, J ;…	1999
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
Leaf injury characteristics of grassland species exposed to ozone in relation to soil moisture condition and vapour pressure deficit.	Bungener, P…	1999
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
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
Phytoaccumulation of trace elements by wetland plants II Water hyacinth	Zhu, Y. L…	1999
Concentration and distribution of extractable elements in a soil affected by tillage systems and fertilization	Lavado, R.…	1999