Table 1.
Location of sampling points and environmental variables of the seawater at each sampling date.
| Sampling area | Sampling date | Sampling point | Location coordinates | Collected samples | Depth (m) | Temperature (°C) | Salinity (PSU)b | pH | DO (mg/L) |
|---|---|---|---|---|---|---|---|---|---|
| Futtsu, Chibaa | July 4, 2019 | Inside | 35°18′56.71″N, 139°47′21.56″E | Sediment, Seawater, plant part | 1.0 ± 0.2 | 24.3 ± 0.1 | 31.6 ± 0.1 | 8.3 ± 0.4 | 10.1 ± 0.4 |
| Outside | 35°18′51.75″N, 139°47′7.99″E | Sediment, Seawater | 0.7 ± 0.2 | 24.0 ± 0.1 | 32.1 ± 0.1 | 8.1 ± 0.0 | 9.5 ± 0.3 | ||
| September 30, 2019 | Inside | 35°18′53.39″N, 139°47′15.44″E | Sediment, Seawater, plant part | 1.1 ± 0.3 | 24.9 ± 0.1 | 32.0 ± 0.4 | 8.2 ± 0.0 | 10.1 ± 0.3 |
Temperature, salinity, pH, and dissolved oxygen (DO) were measured approximately 20 cm above the sediment. (a) Prefecture name, (b) PSU, Practical Salinity Unit. Values represent the mean of three replicates ± standard deviation.