River branch
|
Length (h)
|
Mass (h)
|
Sea age (h)
|
---|
Males
|
Females
|
Males
|
Females
|
Males
|
Females
|
---|
Austervefsna
|
−0.060
|
−0.054
|
−0.075
|
−0.071
|
−0.075
|
−0.074
|
Svenningdalselva
|
−0.086
|
−0.161
|
−0.106
|
−0.187
|
−0.094
|
−0.162
|
- Data obtained from scale samples collected in the lower part of Vefsna (where anadromous fish were naturally distributed, i.e., downstream of the Laksforsen waterfall) were used as a proxy for corresponding data prior to the first fish ladder being constructed in 1889