An analysis of needle yellowing in healthy and chlorotic Norway spruce(Picea abies) in a forest decline area of the Fichtelgebirge(N.E. Bavaria) B. KöstnerF. -C. CzyganO. L. Lange Original Articles Pages: 55 - 67
Contents of ATP and ADP in needles of Norway spruce in relation to their development, age, and to symptoms of forest decline P. WeidmannW. EinigR. Hampp Original Articles Pages: 68 - 74
Seasonal variation of calcium, magnesium, potassium, and manganese contents in xylem sap of beech(Fagus sylvatica L.) in a 35-year-old limestone beech forest stand Vjekoslav GlavacHorst KoeniesUlrich Ebben Original Articles Pages: 75 - 80
Heavy metal concentrations in oak wood growth rings from the Taunus (Federal Republic of Germany) and the Valdivia (Chile) regions F. QueiroloP. ValentaS. -W. Breckle Original Articles Pages: 81 - 87
Components of woody-tissue respiration in young Abies amabilis (Dougl.) Forbes trees Douglas G. Sprugel Original Articles Pages: 88 - 98
Rhythmic growth fluctuations in forest trees of Central Europe and the Front Range in Colorado Fritz Hans SchweingruberKäthi Aellen-RumoUrs Wehrli Original Articles Pages: 99 - 106