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Aim
We sought to determine if the present fragmentary distribution of the giant columnar cactus Echinopsis terscheckii in tropical drylands is a relict of a previously more widespread range during cold and dry phases of the Last Glacial Maximum (LGM).
Location
Tropical and subtropical dry ecotonal areas of northern and central Andes of Argentina.
Methods
We combined ecological niche models (ENM)...
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