Extremely shallow spawning of perch (Perca fluviatilis L.) : the roles of sheltered bays, dense semi-terrestrial vegetation and low visibility in deeper water
M. Čech, J. Peterka, M. Říha, L. Vejřík, T. Jůza, M. Kratochvíl, V. Draštík, M. Muška, P. Znachor and J. Kubečka
