... Vosgesmountains (France): Role of climate and sylviculture, Water AirSoil Pollut. 48 (198 9) 77–86.[6] Bert G.D., Impact of ecological factors, climatic stresses, and pol-lution on growth and health of ... of the felled trees were signi-ficantly (P ≤ 0.0 5) higher at the swelling level (31.9 ± 1.6 cm),Table III. Incidence (percentage of affected trees) and intensity (mean number of swellings and ... present.The main understorey plant species are Pteridium aquilinum (L. ) Kuhn, Vaccinium myrtillus L. , and Daphne laureola L. 2.2. Field sampling and estimation of incidence, intensity and rot woodExtensive...