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Table 2 Detection efficiency in the middle portion of the fish ladder at Wanapum Dam

From: Performance of an acoustic telemetry system in a large fishway

 

Detection efficiency

Tag number

H4 (%)

H5 (%)

H6 (%)

H7 (%)

1

60

70

65

78

2

81

86

73

80

3

90

93

84

81

Mean

77

83

74

80

  1. Locations of the hydrophones and the JSATS cabled receiver system are indicated in Fig. 2