Taxacom: Passive tectonic uplift

[John Grehan]

For those interested in evolutionary processes, here's one you don't want
to miss: Heads, M., Marinov, M., Nicol, D.A & Saldivia, P. 2025. "Passive
uplift of montane biotas: recent advances." in Cladistics doi:
10.1111/cla.70014. Passive uplift is basically a biogeographic model
whereby taxa are tectonically elevated to higher elevations where they
either 'adapt', diverge, or become extinct. It is a mode of evolution that
is opaque (at least so far) to general evolutionary theory and most
biogeographic approaches, or missed because fossil calibrated
molecular clock estimates underestimate clade ages. If Earth and Life
evolve together, passive uplift (and its converse in deep ocean bottom
marine life) is inescapable. In fact it is probably the very mechanism by
which marine life first became terrestrial in both plants and animals.
In other words, marine coastal ancestors did not become terrestrial through
some imaginary selective  advantage but were constantly subject to the
pressures of tectonic uplift. Terrestrial life was inevitable, sooner or
later. There's a lot to digest in this paper which can be obtained from the
authors.

Cheers,

John Grehan

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