Title Authors Year
The nutritional status of Picea abies (L.) Karst. across Europe, and implications for "forest decline".

Cape, J.N…

1990
Growth, ectomycorrhizae and nonstructural carbohydrates of loblolly pine seedlings exposed to ozone and soil water defect

Meier, S.;…

1990
Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees

Näsholm, T…

1990
Air pollution and tree-dwelling aphids. Population Dynamics of Forest Insects

McNeill, S…

1990
Indigenous and cultivated plants as bioindicators

Weinstein,…

1989
Water and the Environment. Circular 7/89

Department…

1989
Effects of N-emissions on nutrient status and vitality of Pinus sylvestris near a hen house.

…

1989
Effects of ammonia emission on epiphytic lichen vegetation

DeBakker, A…

1989
Environmental Health Criteria 85 Lead- Environmental Aspects

WHO,

 		1989
Unifying nutrient-chlorophyll relationships in lakes.

Prairie, Y.…

1989