Man-induced changes at the alpine timberline of the Val Fenga (Silvretta, Switzerland) and their reflections in pollen diagrams (preliminary report)

31 Hüppe, J. Pott, R. 1993 Man-induced changes at the alpine timberline of the Val Fenga (Silvretta, Switzerland) and their reflections in pollen diagrams (preliminary report) Frenzel, B. Oscillations of the Alpine and Polar tree limits in the Holocene Stuttgart 137–161 Paläoklimaforsch. 9 pollini, diagrammi pollinici, clima, climatologia