Highly Influential Citations13
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The crown densities of 186 trees of five common European tree species (Norway spruce (Picea abies), silver fir (Abies alba), Scots pine (Pinus sylvestris), oak (Quercus robur) and beech (Fagus… Continue Reading
Silver fir stands have shown severe defoliation in the Vosges mountains in the late 1970s and early 1980s. Based on the preliminary results of growth studies in other regions affected by decline in… Continue Reading
The mineral nutrition status of trees has long been acknowledged as an indicator of chemical stress which may act at the root level (nutrient deficiencies, Al or Mn toxicity) or at the foliar level… Continue Reading
A large amount of information was already available on the development and distribution of the “new type(s) of forest damage” in Germany when the French DEFORPA programme was launched in 1984/85. On… Continue Reading