Ominaisuus:Additional information
Järvi-meriwikistä
Tämä on ominaisuus, jonka tyyppi onTeksti.
V
With the reeds part to stop the eutrofization +
Vereb-Pázmándi water course redds filtering area +
Anoxia in bottom +
Geotextile in bathing areas up to depth 1,75 m +
Mean annual load of phosphorus: 17284 kg +
High biomass of macrophytes and filamentous algae +
Cleaning of coastal areas from busches and dead trees +
Hypoxia in witer and too low water wolume +
1966 -1970 was gradually restricted trawling -mortality of pikeperch dropped considerabely +
Low water level +
Increased water exange with sea +
Ü
Too high cost for purification of drinking water +