316
Fig. 7 Estimated result
regarding echoes of
seaweed ( Ecklonia cava ).
Color bar indicates
⊿ Sv 200-38kHz value. Blue
echoes indicate seaweed:
⊿ Sv 200-38kH is negative in
the seaweed (see Fig. 5 )
Fig. 8 Distribution of main marine algae vegetation ( Ecklonia cava ) estimated by kriging method
A. Hamano et al.