Table 1
The chemical components of seawater and experimental condition used in the experiments

Item	Value
Temperature (°C)	13.0 ± 1.0
pH	8.2 ± 0.5
Salinity (‰)	33.5 ± 0.6
Dissolved oxygen (mg/L)	7.8 ± 0.5
Chemical oxygen demand (mg/L)	1.21 ± 0.14