Table 5. Chemical and isotopic compositions of POM samples.
| Sample name | SUP#_Dive#-ID# | Site | Sample information | Water Depth | TOC | δ13C | TN | δ15N | TOC/TN |
|---|---|---|---|---|---|---|---|---|---|
| (m) | (mg-C/L) | (‰) | (mg-N/L) | (‰) | (atomic ratio) | ||||
| colony-water POM | 12541–14001_6K1403-N | CO Site 2 | Above a colony | 5618 | 0.325 | −29.4 | 0.034 | +5.7 | 11.2 |
| 12541–12001_6K1365-NG | CO Site 2 | On edge of a colony | 5623 | 0.404 | −28.7 | 0.069 | +5.2 | 6.8 | |
| 12541–12001_6K1362-NG | CO Site 4 | Above a colony | 5633 | 0.071 | −28.0 | 0.007 | +5.5 | 11.8 | |
| 12541–12001_6K1362-NR | CO Site 4 | obtained 30 m away from a colony | 5825 | 0.021 | −27.3 | 0.001 | n.a. | 24.5 | |
| reference POM | 12541–14001_6K1397-N | c. 400 km away from the SSF | For reference | 4640 | 0.031 | −24.6 | 0.002 | +7.5 | 23.2 |
n.a.; not analyzed