Science Advances

Supplementary Materials

This PDF file includes:

  • Authors note
  • Fig. S1. Representative 7Be profiles.
  • Fig. S2. X-radiographs of Chaetopterus tube and sedimentary structure.
  • Fig. S3. Schematic diagram of Rhizon sampling array orientations.
  • Fig. S4. Example FISH confirmation of cable bacteria and filament length.
  • Fig. S5. 2D NH4+ and nematode abundance patterns.

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