What geotechnical feature is a critical factor limiting wombat settlement across latitudes?
Answer
The ability to excavate deep, stable tunnels
A wombat's entire existence—including temperature regulation and predator evasion—is centered around its complex burrow system, which can extend several meters underground. Therefore, the fundamental limiting factor for any wombat population, regardless of the latitude or vegetation type, is the underlying soil structure. The soil must be deep and easily workable enough to support the excavation and long-term stability of these elaborate underground homes. An area lacking this necessary geotechnical quality will fail to support a stable colony, even if the surface vegetation appears suitable for foraging.
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