APIS Bibliography

Title	Authors	Year
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 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
Concentration and distribution of extractable elements in a soil affected by tillage systems and fertilization	Lavado, R.…	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
The fate of mineral nitrogen in a fen with Sphagnum fallax Klinggr. and Carex rostrata Stokes (Massif-central, France)	Francez, A.…	1999
Ranking of epiphytic lichen sensitivity to air pollution using survey data: A comparison of indicator scales	Van Dobben…	1999
Do acid rain and calcium supply limit eggshell formation for blue tits (Parus caeruleus) in the UK?	Ramsay, S.L…	1999
Estimating the uptake of traffic-derived NO2 from N-15 abundance in Norway spruce needles	Ammann, M…	1999
Mapping of ammonia pollution with epiphytic lichens in the Netherlands	Van Herk, C…	1999