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Table 1 Summary of acoustic receiver calibration experiments

From: Methods for assessment of short-term coral reef fish movements within an acoustic array

Test Variables Location Tags Duration VR2 Depth rec Method
1 Tag Bayboro 120s5s 90 min·120s-1 30 min·5s-1 5 2.5 Tags sequentially mounted 1 m from bottom, 5.5 m from center of receiver curtain
Receiver
Depth tag
2 Tag Tortugas II 120s 164 hrs 1 14 Tags simultaneously mounted, 2 m from bottom, 300 m from receiver
Wind speed
TOD
3 Distance Tortugas I 5s 8 hrs 8 6 – 11 Tag suspended 3.5 m above digital video camera synced to surface GPS carried by SCUBA diver along bottom
Rugosity
4 Distance Tortugas II 5s 8+ min·drop-1 14 4 – 26 Tags individually mounted, 2 m from bottom, dropped at 150 m intervals between receivers (42 drop sites)
Depth rec
Depth tag
5 Distance Tortugas II 5s (4·3H, 1·4H) 90+ min·drop-1 12 4 – 35 Tags individually mounted, 2 m from bottom, dropped at 150 m intervals between receivers (66 drop sites)
Wind speed
Depth rec
Tidal phase
Rugosity
Meteorological
Depth tag
  1. Where ‘VR2’ denotes number of receivers tested; ‘120s’ and ‘5s’ denotes tags with mean 120 sec and fixed 5 sec offtimes between pings, respectively; and, ‘Depth rec ’ and ‘Depth tag ’ denote water depth (m) at receiver site and tag drop site, respectively.