Preys

Station 1 (n = 91)

Station 2 (n = 91)

Station 3 (n = 90)

Insects

84.44

94.34

83.35

Macrophytes

9.03

2.58

16.6

Crustaceans

2.62

2.45

0.01

Fish scales

1.15

0

0

Nematodes

0.01

0.15

0

Bird’s feathers

0.01

0.05

0.01

Arachnids

0

0

0.01