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

  1. For consumers, mean trophic position (TP) (± s.d.) was calculated following Post72.