Mass Elevation Effect and Continentality Drive Global Treelines

David Kienle1, Severin Irl2, Carl Beierkuhnlein1
1 Biogeography, University of Bayreuth
2 Biogeography, Goethe University Frankfurt

P 6.16 in Posters

Explaining treelines as a major biogeographical ecotone is a classic topic in biogeographical research. In face of climate warning, upward shift of species is expected, which would theoretically also cause treelines to move uphill.

However, these responses can be modified by regional differences in solar radiation (cloudiness) and the availability of species that are adapted to high elevation. Here, we study how latitudinal patterns of global treelines are modified by mass elevation effect, continental climate and isolation of mountain ranges.

The treeline in the Southern Alps of New Zealand is very distinct.
The treeline in the Southern Alps of New Zealand is very distinct.



Keywords: Climate change, upward shift, forest ecosystems, alpine zone, biogeographical isolation
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