Meyer, 2001



Citation


Meyer, L;. (2001) Spawning migration of grayling Thymallus thymallus (L., 1758) in a Nothern german lowland river. Arch. Hydrobio., pp. 99-117

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Thymallus thymallus Spawning conditions Spawning migration distance The maximum length of river sections used by the individual grayling ranged from 4.18-11.28 km 7.73 km
Thymallus thymallus Spawning conditions Spawning migration period Spawning run (12-25 March), a period of residency (26 March-1 April) and the dowstream migration (2-16 April) ['March', 'April']
Thymallus thymallus Spawning conditions Spawning water type Upstream border of a shallow riffle, varied between 0.33-0.46 m/s Flowing or turbulent water
Thymallus thymallus Spawning conditions Spawning depth 0.55-1.15 m 0.85 m
Thymallus thymallus Spawning conditions Spawning substrate Lithophil: mainly coarse gravel, pebbles, cobbles and stones Lithophils
Thymallus thymallus Spawning conditions Spawning site preparation Dig shallow spawning pits (about 5 cm) compared to other salmonids Susbtrate chooser