Open Access

Table 1

Population density of juvenile Atlantic salmon and freshwater pearl mussel (FPM) in studied rivers.

Rivers Salmon parr FPM
(ind./100 m 2) (ind./m 2)

Gridina 12–98 15–19
Keret’ 4–12 1–30
Vuokinjoki 15–36 6–12
Syskyänjoki 22–179 20

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