APIS Bibliography

Title	Authors	Year
Natural abundance of 15N in forests across a nitrogen deposition gradient	Emmett, B.A…	1998
Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa	Hyvdrinen,…	1998
Effects of experimental acidification and liming on terrestrial invertebrates: implications for calcium availability to vertebrates	Ormerod, S.…	1998
Unintentional experiments with terrestrial ecosystems: ecological effects of sulphur and nitrogen pollutants	Lee, J.A.…	1998
Ecosystem research and the European Union policy needs	Lawton, (…	1998
Nitrogen deposition in Swiss forests and its possible relevance for leaf nutrient status, parasite attacks and soil acidification	Flückiger,…	1998
The effects of air-borne nitrogen pollutants on species diversity in natural and semi-natural European vegetation	Bobbink, R…	1998
Discriminant analysis of the terrestrial and aquatic habitat determinants of the smooth newt (Triturus vulgaris) and the common frog (Rana temporaria) in Ireland	Marnell, F…	1998
Effects of experimental acidification, nitrogen addition and liming on ground vegetation in a mature stand of Norway spruce (Picea abies (L.) Karst.) in SE Sweden	Hallbdcken…	1998
Differential effects of ammonium nitrate on three heathland species	De Graaf, M…	1998