Table 1.
Archaeal community composition and relative abundances of crenarchaeol and GDGTs with zero to three cyclopentyl moieties in suspended particulate matter samples
| Size, µm | z, m | % Eury | Relative abundance of GDGT cores | |||||
| rDNA | MGA | 0 | 1 | 2 | 3 | Cren | ||
| 0.3–3 | 83 | 97.2 | 94.4 | 22.4 | 8.2 | 8.1 | 0.1 | 61.1 |
| 131 | 74.4 | 66.7 | 21.8 | 8.3 | 12.1 | 6.0 | 51.7 | |
| 131* | 74.4 | 66.7 | 19.6 | 7.5 | 10.6 | 4.3 | 58.1 | |
| 157 | 35.3 | 26.4 | 19.1 | 6.0 | 10.0 | 3.9 | 61.0 | |
| 231 | 47.0 | 44.7 | 25.9 | 7.0 | 13.2 | 0.9 | 53.0 | |
| 331 | 36.2 | 28.9 | 40.3 | 5.6 | 8.6 | 0.0 | 45.5 | |
| 450 | 20.1 | 12.8 | 9.8 | 7.4 | 68.8 | 0.0 | 14.0 | |
| 559* | ND | ND | 25.5 | 10.3 | 13.7 | 0.4 | 50.1 | |
| 3–57 | 83 | 100.0 | 96.1 | 38.6 | 12.8 | 1.2 | 0.0 | 47.4 |
| 131 | 85.3 | 87.9 | 17.5 | 6.7 | 8.6 | 3.3 | 63.9 | |
| 157 | 75.0 | 74.3 | 18.0 | 6.7 | 11.4 | 3.6 | 60.3 | |
| 231 | 86.3 | 78.5 | 19.7 | 5.8 | 14.3 | 1.9 | 58.3 | |
| 331 | 71.0 | 66.1 | 21.2 | 5.0 | 16.8 | 0.7 | 56.3 | |
| 450 | 85.2 | 60.9 | 26.3 | 7.3 | 11.2 | 1.5 | 53.7 | |
Archaeal community composition was determined from MGA and 16S rDNA gene representation in metagenomic datasets. % Eury, % Euryachaeotal; Cren, crenarchaeol; MGA, metagenomic read annotations; z, depth.
*
Hydrolysates of total lipid extracts.