River Skjern – 2017

Study type: Acoustic
Listening stations deployed: 18
Tagged smolts: 86
Succeeded: 31

Survival rates (%) 

Overall survival = Number of survivors / Total number of released fish * 100
Section survival = Fish that reached the end of the section / Fish that entered the section * 100

Study area

ots represent listening stations
Red flags represent release sites

River Minho – 2017

Study type: Acoustic
Listening stations deployed: 8
Tagged smolts: 50
Succeeded: 27

Survival rates (%) 
Overall survival = Number of survivors / Total number of released fish * 100
Section survival = Fish that reached the end of the section / Fish that entered the section * 100

Study area
Red dots represent listening stations
Red flags represent release sites

River Bush – 2017

Study type: Acoustic
Listening stations deployed: 13
Tagged smolts: 99
Succeeded: 39

Survival rates (%) 
Overall survival = Number of survivors / Total number of released fish * 100
Section survival = Fish that reached the end of the section / Fish that entered the section * 100

Study area 
Red dots represent listening stations
Red flags represent release sites

River Erriff – 2017

Study type: Acoustic
Listening stations deployed: 12
Tagged smolts: 40
Succeeded: 12

Survival rates (%) 
Overall survival = Number of survivors / Total number of released fish * 100
Section survival = Fish that reached the end of the section / Fish that entered the section * 100

Study area
Red dots represent listening stations
Red flags represent release sites

River Tamar – 2017

map

Study type: Acoustic
Listening stations deployed: 25
Tagged smolts: 100
Succeeded: 61

Survival rates (%) 
Overall survival = Number of survivors / Total number of released fish * 100
Section survival = Fish that reached the end of the section / Fish that entered the section * 100

graph

Study area

Red dots represent listening stations
Red flags represent release sites

map