- What are the crucial environmental conditions for the establishment
of a subalpine forest?
- Which parameters define the altitudinal zonation of the alpine timberline
ecotone?
- What are the main features of human impact on mountain forests?
- According to which aspects can Swiss Alpine forest communities be
classified?
- Why do trees forme only one tree ring within a year?
- What conditions other than climate can affect tree growth?
- What kinds of external influences on a tree can be deduced from the
tree's shape without making an analysis of it's core or cross-section?
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