a few days ago, drilling survey ship came back to Oura bay.They escaped from typhoon about 4 month ago.
This Oura bay is so unique.
It has deep area and shallow area.
6 rivers with rich vegetable plankton go into the bay.
Different environments offer a bio-diversity.
Dugong is like a Manatee. Dugong is an endangered spices. Okinawa is their northern limit habitation.
Their sea grass for food grows shallow area of Oura and Henoko bay.