Conditions remain more or less stable as there is a constant flow of minerals from the soil and plant debris an nutrients from decaying plants disappear with the flowing water. Around Blatnica, Characeae seemed to be rare. The main reason is of course lack of water. In Holland the genus Chara is absent in rapidly running water. It is interesting to discover the occurrence of Chara vulgaris in the Raksa.
Dutch brooks are on sandy soils that are poor in minerals.
Agardh than the genus Chara . In more calcareous parts of Europe Chara -species in current water are not uncommon. Summarised, the surroundings of Blatnica are not very interesting for Characeae . Probably Characeae are not common in the inland of Europe due to lack of water. But if water is present Charophytes can be found all over Europe.