>>44398
So in case of the Saturn everything above the 84-85 meters.

>>44416
Well you know, they just grow potato in their poop.
>recycling human corpses
We do that now, although not that directly and not to be efficient. Corpses in old burial sites decomposed and got back into the cycle of materia, and we sure eat carbon atoms (for example) which were once part of a human beans. Maybe even in case of contemporary cemeteries.