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Table 1 Count of steelhead (Oncorhynchus mykiss) smolts by tag type detected migrating over the acoustic array

From: Performance of a high-frequency (180 kHz) acoustic array for tracking juvenile Pacific salmon in the coastal ocean

Array

69 kHz

180 kHz

Northern Strait of Georgia (NSOG)a

42

7

Discovery Islands (DI)

32b

20b

 Desolation Sound (DS)

3

2

 Sutil Channel (SC)

16

12

 Discovery Passage (DP)

20

9

Johnstone Strait (JS)

23

4

Queen Charlotte Strait (QCS)c

14

NA

Strait of Juan de Fuca (JDF)c

1

NA

  1. Fifty double-tagged fish were released
  2. aLimited capability of detecting 180-kHz tags. (Few receivers were dual-frequency.)
  3. bSeveral of the fish detected on DI were detected on more than one section
  4. cReceivers incapable of detecting 180-kHz tags
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Animal Biotelemetry

ISSN: 2050-3385