APIS Bibliography

Title	Authors	Year
Critical levels of air pollutants for Europe	Ashmore, M.…	1994
The effect of zinc oxide on the growth of the unicellular alga Selenastrum capricornutum	Van…	1994
Shoot nitrate reductase activities of field-layer species in different forest types.	Hogborn, L…	1994
Acidification of freshwater ecosystems: implications for the future	Rosseland,…	1994
Accumulation of amino acids in some boreal forest plants in response to increased nitrogen availability	Näsholm, T…	1994
Effects of atmospheric ammonia and ammonium sulphate on vesicular-arbuscular mycorrhizal colonisation in three heathland species	Heijine, B…	1994
Long-term changes in watershed retention of nitrogen - its causes and aquatic consequences	Stoddard, J…	1994
The effect of zinc powder on the growth of the unicellular alga Selenastrum capricornutum	Van Woensel…	1994
The Influence of Carbon Dioxide or Ozone Concentration on Growth and Assimilate Partitioning in Seedlings of Nine Conifers.	Mortensen,…	1994
Does nitrogen supply limit the growth of Antarctic lichens?	Crittenden…	1994