User manual

32 Science Manual – Using Video Images for Fisheries Monitoring
5.2 Warkworth, River Coquet
Type of fish pass: Pool and traverse and Denil (Figure 14)
Power supply: Mains power available
System deployment: Trial deployment
Information required: Evidence of fish using the pass
Identification: Species level
Sizing: Not during trial
Cost of system hardware (not including image processing): below £1,000
System components
System 1 (Table 2) was used for the trial deployment. This was sufficient for the
purposes of the trial deployment and to obtain evidence that fish were using the
pass.
Camera: One sideways-looking camera
Lighting: None.
Recording hardware: Desktop PC (reconfigured machine from EA CIS team) with
Voltek DVR card
Storage media: Two Freecom USB external hard drives (always one on site)
Image processing: The data collected were processed using both Fishtick and
DVMD.
Figure 14: The North Warkworth pass. Cameras were deployed at the top of the
pass