5:00 PM - 5:15 PM
[AHW27-25] Evaluation of groundwater discharge in a seagrass meadow of coastal area
In summer periods, the types of eelgrass and green algae covered from the coastline to about 100 m offshore in the study area. Distributions of salinity and radon (222Rn) in seawater and pore water suggest that SGD occurs near the coastline with spatial and temporal variations. The coverage of seagrass meadow tends to increase in the area characterized by lower salinity and higher concentrations of radon and nutrients in the pore water. It suggests the possibility of that SGD effects on the seagrass meadow in the study area.
*This research is financially supported by the MEXT Grant-in-Aid for Science and Technology Human Resource Development, Program to Disseminate and Secure the Tenure Track System (Okayama University) and Grants-in-Aid for Scientific Research (A) (No. 25241028, Shin-ichi Onodera).