9 Bilder zum Thema "Limnologie" bei ClipDealer

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Measuring water quality
Dirty white foam on the surface of the water of the Black Sea during calm, Ukraine
A chaotic tangle of lily pads grows wild in a shallow pond on Cape Cod, Massachusetts. Ponds and lakes cover about 2% of the planet's surface but contain most of the world's freshwater.
Dirty white foam on the surface of the water of the Black Sea during calm, Ukraine
River near Puyuhuapi Carretera Austral
Very frequent representatives in the local dredging lakes.
Measuring water quality
Cyclops
Measuring water quality

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