Algae m'mayiwe osambira amayamba chifukwa chosowa mankhwala ophera tizilombo komanso madzi akuda.Algae izi zingaphatikizepo algae wobiriwira, cyanobacteria, diatoms, ndi zina zotero, zomwe zimapanga filimu yobiriwira pamtunda wamadzi kapena madontho kumbali ndi pansi pa maiwe osambira, zomwe sizimangokhudza maonekedwe a dziwe, koma ...
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