aquatic ecosystem blooming of algae.

duckweed aquaticplants invasivespecies algaebloom aquaticecosystem aquaticenvironment commonduckweed ecologicalbalance ecologicaldiversity landscape floating photosyntheticorganisms pondecology rootlessduckweed swampalgae environment water wetland upside river nature lake green plants ecosystem biodiversity conservation photosynthesis chlorophyll surface view summer pond natural wild copyspace background flora growth seasonal monochrome aquatic blooming algae stagnant