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

Cape, J.N…

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

McNeill, S…

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
Water and the Environment. Circular 7/89

Department…

1989
Indigenous and cultivated plants as bioindicators

Weinstein,…

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

…

1989
Long-term change in the suitability of welsh streams for dippers Cinclus cinclus as a result of acidification and recovery: A modelling study.

Ormerod, S.…

1989
Effects of ammonia emission on epiphytic lichen vegetation

DeBakker, A…

1989
Environmental Health Criteria 85 Lead- Environmental Aspects

WHO,

 		1989