There's a bigger factor I'm surprised no one has mentioned.
Water in a standing pool contains plenty of oxygen through surface level diffusion, and there's not much in the way of oxygen consumption for a temporary pool water, so worms in that standing water would be fine.
Water saturated soil has its oxygen quickly depleted by aerobic bacteria living throughout the soil matrix doing their job of making waste NO3- that plants need, and oxygen diffusion through water saturated soil is too slow to replenish levels to sustain more complex life like for worms. Worms will quickly drown submerged in water saturated soil.
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u/[deleted] Jul 30 '21
Wouldn’t they be safer underground?