Table 1. Sediment in-situ temperature, sediment characteristics, oxygen consumption rates, carbon mineralization rates, chemoautotrophy rates and yields (averages ± standard deviations, N = 2) for the coastal marine sediments in this study.

Site/Year	Temp. °C	POC1 (%)	C/N1	O2 penetration depth (mm)	O2 flux (mmol m−2 d−1)	C mineralization2 (mmol m−2 d−1)	Chemoautotrophy2(mmol C m−2 d−1)	Yield C/O2 (mol C (mol O2)−1)
RK05	14	-	-	0.45±0.10	17.2±3.0	-	5.5±1.9	0.32±0.11
RK06	17	2.0	10.9	0.23±0.06	192±41	197±36	36.3±4.8	0.19±0.03
ZK05	14	-	-	1.7±0.1	15.0±0.4	-	2.6±0.3	0.17±0.02
ZK07	13	0.6	7.7	0.95±0.06	15.5±1.6	105.9±19.1	2.9±0.2	0.18±0.01

¹Data for 0–1 cm sediment depth. ² Data integrated over 0–5 cm sediment depth.