3. Results
3.1. Variations of nutrients in seawater and interstitial water
The mean concentrations of DIN and DIP in the seawater ranged from 1.13 to 8.05 lM and from 0.09 to 1.33 lM at high tide,
respectively, and ranged from 0.78 to 13.45 lM and from 0.09 to 1.73 lM at low tide, respectively (Table 1).