FADs searching The Echo sounder model JRC color Echo Sounder ...

FADs searching
The Echo sounder model JRC color Echo Sounder JFC-130 onboard
F.R.V.CHULABHORN was use for searching FADs in each leg. The survey tracks are
design like a flower, which the position of FADs is the center of track survey (Fig.8). The
speed of vessel for searching is 3 knot. At Latitude 8 o 10.88 N and Longitude 095 o 51.71 E
was found the line like a rope of FADs in first leg near the position of DOF’s FADs (Fig.6).
At SEAFDEC’s FADs not found the FADs from Echo but found the school of Whale and
Dolphins 30-40 numbers. In second leg at the SEAFDEC’s FADs can found, which show in
Echo sounder (Fig. 5) at Latitude 8 o 14.85 N and Longitude 095 o 48.66 E. The range of depth
from 25 – 40 m, and the fish school also were found around the FADs. (Fig.7)
Low
High
Low
High
Fig. 5 show position of SEAFDEC’s FADs
Fig. 6 show position of DOF’s FADs

Fig. 7 show the Fish school around the FADs
Fig. 8 Show the Vessel track survey around FADs