Wie rasch ändert sich die Waldvegetation als Folge von raschen Klimaänderungen?

Wohlgemuth, Thomas; Bugmann, Harald; Lischke, Heike; Tinner, Willy (2006). Wie rasch ändert sich die Waldvegetation als Folge von raschen Klimaänderungen? In: Wald und Klimawandel. Forum für Wissen: Vol. 2006 (pp. 7-16). Birmensdorf: Eidgenössische Forschungsanstalt WSL

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How rapidly does forest vegetation change due to rapid climatic change? Current predictions of future climates show a global increase of mean temperatures of 1.4 to 5.8 °C. How rapidly can forest vegetation adapt to such predicted large changes, and in which way? We looked for answers in three different disciplines: ecological modelling, palaeoecology and succession theory. We found that changes of forest vegetation after rapid climatic changes can be continuous or abrupt. Rapid or abrupt changes may result within years to decades, among others, from marked drought as a direct effect of climate warming, limiting tree growth in the driest parts of Switzerland within a few years or decades. Indirectly, climate warming affects forest vegetation by forest fires, windstorms and, consequently, insect outbreaks. Questions relevant to forestry arise from these considerations: What is the most suitable combination of tree species for which management should aim in the future, and how do we adequately manage protection forests so that they can resist or adapt to the climatic change?

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