APIS Bibliography

Title	Authors	Year
Freshwater sponges (Porifera: Spongillidae) of Norway: Distribution and ecology.	Økland, K.A…	1996
The effect of long-term elevated ozone concentrations on the growth and photosynthesis of Sphagnum recurvum and Polytrichum commune	Potter, L…	1996
Estimates of nitrous oxide emissions in the UK	Skiba, U.;…	1996
Stoneworts - connoisseurs of clean water	Stewart, N.…	1996
Calculation and evaluation of sediment effect concentrations for the amphiod Hyalella azteca and the midge Chironomus riparius	Ingersoll,…	1996
Current and historical relationships between the tissue N content of a snowbed bryophyte and nitrogenous air pollution.	Woolgrove,…	1996
The effect of long-term ozone fumigation on the growth, physiology and frost sensitivity of Calluna vulgaris	Foot, J.P…	1996
Quantitative relationships of invertebrates to pH in Norwegian river systems.	Larsen, J…	1996
Effects of atmospheric nitrogen deposition on ericoid mycorrhizal infection of Calluna vulgaris growing in peat soils	Yesmin, L…	1996
Critical levels for ozone in Europe: Testing and finalising the concepts	Karenlampi…	1996