- Which facts contradict the classical view that sexual reproduction
in alpine plants is of reduced importance?
- Why, in the long run, is vegetative reproduction not an alternative
to sexual reproduction in plants?
- Which pollinator group becomes most frequent at highest altitudes?
- Why are bumblebees of particular relevance for the pollination of
alpine plants?
- How do alpine plants compensate low pollination visiting rates?
- What has been called a "pollen risk strategy"?
- Why is seed set constrained by low temperature?
- Why does life history theory predict a seed size vs. seed number "trade
off"?
- Why are alpine seeds better dispersed by wind than seeds in the lowland?
- Why are "safe sites" of particular relevance for the establishment
of seeds in alpine habitats?
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