. 2018 Jun 15;13(6):e0199000. doi: 10.1371/journal.pone.0199000

Table 6. Chemical and isotopic compositions of sediment samples obtained from inside and the edge of the clam colony (CO Site 4) and the reference site.

Sample name	SUP#_Dive#-ID#	Site	Sample information	TOC	δ¹³C	TN	δ¹⁵N	TOC/TN	AVS	δ³⁴S
Sample name	SUP#_Dive#-ID#	Site	Sample information	(wt.%)	(‰)	(wt.%)	(‰)	(atomic ratio)	(mM-S/kg dry sed.)	(‰)
Inside core	12541–12001_6K1362-H2	CO Site 4	Inside of a clam colony
			At 2.5 cm sediment depth	1.41	−31.8	0.13	+4.7	12.7	5.12	−11.3
			At 7.5 cm sediment depth	0.96	−31.4	0.07	+3.5	16.0	10.99	−9.2
			At 12.5 cm sediment depth	0.75	−29.8	0.04	+3.5	21.9	5.60	−18.6
			At 16 cm sediment depth	0.70	−28.5	0.03	+3.4	27.2	19.11	−13.6
Edge core	12541–12001_6K1362-H5	CO Site 4	At 2.5 cm sediment depth	0.89	−27.8	0.05	+6.5	20.8	n.d.	n.a.
			At 7.5 cm sediment depth	0.82	−27.8	0.04	+6.5	23.9	n.d.	n.a.
			At 11 cm sediment depth	0.70	−27.0	0.02	+4.6	40.8	n.d.	n.a.
Reference core	12541–15002_6K1432-H3	c. 5 km away from the SSF	for reference
			At 1.5 cm sediment depth	0.16	−25.0	0.009	n.a.	20.7	n.d.	n.a.
			At 4.5 cm sediment depth	0.05	−23.9	0.004	n.a.	14.6	n.d.	n.a.
			At 8 cm sediment depth	0.16	−23.8	0.001	n.a.	186.7	n.d.	n.a.

n.a.; not analyzed

n.d.; not detected