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Plant species are on the move ...

... and it is us humans who are moving them.Human actions are having a significant impact on the distribution of plant species, and even more so than the warming climate. This is the surprising outcome of the PhD thesis of University of Antwerp-based Jonas Lembrechts, who is studying plant species distributions in cold-climate mountain regions.Yes, the warming climate is shifting the distribution of plant species poleward and to higher elevations, but our actions are causing even more rapid and structural changes to where species can be found. In his PhD, Lembrechts showed how humans are helping non-native species to invade mountain regions: “Humans are taking non-native plant species with them all over the world, introducing them to other mountain regions. Once there, these species can profit from human structures like mountain roads to move rapidly to higher elevations,” Lembrechts explains.[caption id="attachment_3604" align="alignright" width="300"] Mountain roads – here in the Chilean Andes...
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