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
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 influence of wooded shelterbelts on the deposition of copper, lead and zinc at Shakerley Mere, Cheshire, England	Heath, B. A…	1999
Persistent organic pollutants (POPS); state of the science	Jones, K.C…	1999
Concentration and distribution of extractable elements in a soil affected by tillage systems and fertilization	Lavado, R.…	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
The fate of mineral nitrogen in a fen with Sphagnum fallax Klinggr. and Carex rostrata Stokes (Massif-central, France)	Francez, A.…	1999
Do acid rain and calcium supply limit eggshell formation for blue tits (Parus caeruleus) in the UK?	Ramsay, S.L…	1999