Table 1.
Samples characteristics and physicochemical parameters of water of studied sites (– means no data available).
| Sampling site | Site 1: The Java Sea, East Java north coast | Site 2: NW South China Sea, Hainan Island | Site 3:W South China Sea, Quáng Yên, NE Vietnam | Site 4: Rú Chá mangrove, Central Vietnam |
|---|---|---|---|---|
| Sample number | SZCZ 27006 SZCZ 27007 | SZCZ27176 | SZCZ26472 | SZCZ26505 |
| Sample type | periphyton from a plastic pier and boulders | microbial mat developed on a pier | periphyton from oyster shells from aquaculture | sediments from mangrove area |
| Water temperature [°C] | 30.0–32.6 | 24.9 | 27–32 | 29.6 |
| pH | 7.7–8.3 | 8.2 | 5.6–6.6 | 6.5 |
| Salinity [psu] | 27.7–30.4 | 32.8 | 22.0–23.0 | 7.0 |
| Conductivity [µS/cm] | – | – | 34 700–36 500 | – |
| Dissolved oxygen [%] | – | – | – | 5.9 |
| Dissolved oxygen [mg/L] | 3.5–6.6 | – | – | 0.45 |