Is there any research work regarding effect of subsurface atmospheric pressure on the biotic life beneath the ground?

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Fathi Karouia

Hii,

there have been few publications related to subsurface samples from a nine in South Africa. It might lead you to further related publications. Good luck.

Article The genome of a subterrestrial nematode reveals adaptations to heat

Article Eukaryotic opportunists dominate the deep-subsurface biosphe...

https://pubmed.ncbi.nlm.nih.gov/25566203/