Table 1 Summary table of radiocarbon, bulk carbon and nitrogen isotopes and CSIA-measured parameters of collected specimens and POMsusp. POM taken from a depth of 20 m. Further detail on radiocarbon data in SI.
Sample | ∆14C ‰ | 14C Age | δ13Cbulk | δ15Nbulk | δ15NTHAA | δ15NPhe | TPmet | TPprot | ∑V |
|---|---|---|---|---|---|---|---|---|---|
Hormathiidae | 12.1 ± 1.6 | modern | −20.4 | 11.2 | 13.9 ± 1.1 | 5.6 ± 0.7 | 2.6 ± 0.1 | 3.3 ± 0.5 | 1.4 ± 0.1 |
Duva florida | 8.9 ± 1.9 | modern | −22.1 | 10.5 | 14 ± 0.5 | 6.4 ± 0.1 | 2.7 ± 0.1 | 3.5 ± 0.3 | 1.2 ± 0.1 |
Keratoisis grayi | 15.2 ± 1.7 | modern | −20.5 | 10.1 | 15.1 ± 0.4 | 5.8 ± 0.5 | 3.2 ± 0.1 | 4.3 ± 0.1 | 1.3 ± 0.1 |
Paragorgia arborea | 16.5 ± 1.5 | modern | −22.3 | 8.0 | 13.9 ± 1.1 | 5.4 ± 0.8 | 2.4 ± 0.3 | 3.0 ± 0.5 | 1.5 ± 0.2 |
Primnoa resedaeformis | 13.8 ± 1.7 | modern | −22.6 | 8.0 | 13.5 ± 0.2 | 6.1 ± 0.6 | 2.3 ± 0.1 | 2.9 ± 0.1 | 1.5 ± 0.1 |
Weberella bursa | 7.7 ± 1.5 | modern | −19.8 | 16.9 | 18.5 ± 0.1 | 13.2 ± 0.2 | 2.8 ± 0.1 | 2.1 ± 0.2 | 2.8 ± 0.1 |
Hexactinellid | −75.5 ± 1.8 | 560 ± 12 | −21.2 | 14.1 | 20.2 ± 0.2 | 13.5 ± 0.2 | 3.0 ± 0 | 4.0 ± 0.2 | 2.2 ± 0.2 |
Didemnidae | 7.7 ± 1.5 | modern | −20.4 | 12.1 | 16.0 ± 0.3 | 10.4 ± 0.3 | 3.0 ± 0.1 | 4.0 ± 0.2 | 2.7 ± 0.1 |
POM | 0.6 ± 5.2 | modern | −25.2 | 3.5 |
