Table 1 Mean ratios of δ13C and δ15N (± standard deviation (s.d.)) and number of samples (n) analyzed for each type of particulate organic matter and taxonomic group, with information of the label used in Fig. 1.
From: Trophic ecology of Angolan cold-water coral reefs (SE Atlantic) based on stable isotope analyses
Taxonomic group | Label | n | δ15N (± s.d.) (‰) | δ13C (± s.d.) (‰) | TP (± s.d.) | |
|---|---|---|---|---|---|---|
Particulate Organic Matter (POM) | Sediment 259 m | Sed259 | 1 | 5.90 | − 21.08 | |
Sediment 345 m | Sed345 | 1 | 6.19 | − 20.84 | ||
Sediment trap material 342 m | SPOMtrap342 | 1 | 5.32 | − 21.73 | ||
Sediment trap material 526 m | SPOMtrap526 | 1 | 5.61 | − 21.40 | ||
Suspended Particulate Organic Matter 342 m | SPOM342 | 20 | 3.97 ± 0.80 | − 22.46 ± 0.34 | ||
Suspended Particulate Organic Matter 532 m | SPOM532 | 24 | 2.00 ± 1.48 | − 21.89 ± 0.47 | ||
Porifera | Aphrocallistes sp | Aph | 3 | 20.83 ± 2.59 | − 19.40 ± 0.19 | 5.88 ± 0.76 |
Sympagella sp. | Sym | 1 | 21.31 | − 18.83 | 6.02 | |
Demospongiae sp. | Dem | 1 | 19.58 | − 19.96 | 5.51 | |
Hexactinellida sp. | Hex | 1 | 21.90 | − 17.20 | 6.20 | |
Porifera indet sp. | Por | 1 | 17.33 | − 18.20 | 4.85 | |
Cnidaria | Actiniaria spp. | Actin | 3 | 12.37 ± 1.71 | − 19.13 ± 0.08 | 3.39 ± 0.50 |
Callogorgia sp. | Cal | 1 | 13.45 | − 17.25 | 3.71 | |
Clavularia sp. | Clav | 3 | 13.26 ± 0.62 | − 19.37 ± 0.12 | 3.66 ± 0.18 | |
Eunicella sp.- − | Eun | 2 | 13.21 ± 0.44 | − 19.04 ± 0.05 | 3.64 ± 0.13 | |
Gorgoniidae spp. | Gorg | 4 | 13.60 ± 0.83 | 17.35 ± 2.02 | 3.75 ± 0.24 | |
Hydrozoa | Hyd | 1 | 11.94 | − 18.81 | 3.27 | |
Desmophyllum pertusum | D_pert | 4 | 11.56 ± 1.37 | − 19.77 ± 1.00 | 3.16 ± 04.0 | |
Madrepora oculata | Madr | 2 | 10.52 ± 1.07 | − 19.70 ± 1.88 | 2.85 ± 0.32 | |
Paramuricea sp. | Par | 3 | 12.83 ± 0.48 | − 19.26 ± 0.09 | 3.52 ± 0.14 | |
Parantipathes sp. | Parant | 1 | 13.51 | − 19.11 | 3.73 | |
Spinimuricea sp. | Spi | 1 | 13.96 | − 17.79 | 3.86 | |
Arthropoda | Munida sp. | Mun | 2 | 13.41 ± 0.33 | − 17.99 ± 0.59 | 3.70 ± 0.10 |
Annelida | Eunice norvegica | E_nor | 2 | 14.75 ± 0.23 | − 15.39 ± 0.69 | 4.10 ± 0.07 |
Polynoidae sp. | Poly | 1 | 14.00 | − 18.28 | 3.87 | |
Echinodermata | Asteroidea spp. | Ast | 3 | 17.04 ± 4.10 | − 14.09 ± 0.20 | 4.77 ± 1.21 |
Echinus sp. | Ech | 3 | 14.88 ± 1.49 | − 12.81 ± 1.65 | 4.13 ± 0.44 | |
Ophiuroidea | Oph | 2 | 13.18 ± 0.52 | − 13.65 ± 1.24 | 3.63 ± 0.15 | |
Chordata | Myctophidae sp. | Mycto | 3 | 12.35 ± 0.38 | − 18.98 ± 1.19 | 3.39 ± 0.11 |