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 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
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 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) ['April', 'March']