They have vanished, only frozen under the ice, where they are now 'vegetating'. A hydrobiologist explains the phenomenon of green Lipno
A hydrobiologist discusses the disappearance of certain plants under the ice of green Lipno and their current state.
The algae turned the ice on Lipno green. A rare winter phenomenon is being studied by hydrobiologists from the Academy of Sciences
Hydrobiologists from the Academy of Sciences are investigating a rare winter phenomenon where algae have turned the ice on Lipno Lake green.