No detailed citation.
Species | Development state | Trait | Primary Data | Secondary Data |
Rutilus rutilus | Spawning conditions | Spawning migration period | The first migrations of roach to the backwaters started in mid-January and peaked from early February until late April. In mid-May, the daily migrations into the backwaters decreased considerably whereas no fish were caught after then end of June. | ['April', 'January', 'May', 'June', 'February'] |