How forests regenerate - without interference

Forests renew themselves naturally. There has been very little research into how exactly this happens - until now. Researchers at ETH Zurich and WSL have set themselves the task of solving this puzzle. In brief Competition between trees is one of the driving forces in the natural regeneration of forests. Water scarcity greatly intensifies competition; small trees are suppressed. In mixed forests, there is interaction between the different regeneration strategies employed by the tree species involved. Yannek Käber, a doctoral candidate in the Professorship of Forest Ecology at ETH Zurich, and his colleagues from ETH and WSL together with the European Forest Research Initiative (EuFoRIa, www.euforia-project.org), have taken a look at regeneration in protected European forests for the first time.
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