Credit: PETER MATULAVICH/SCIENCE PHOTO LIBRARY

Caption: Duckweed (Lemna minor), or water lentils, choking a waterway in Ohio. These free-floating plants will appear in mid-summer and then vanish by fall. The plants provides habitat for many small aquatic species including bacteria, protozoa, fungi and other micro-invertebrates. Sometimes, though, they can become a nuisance by taking over quiet waterways and ponds, and depleting oxygen that is vital to many organisms as well as restricting sunlight to other aquatic plants. Duckweed is a high-protein food source for waterfowl and is also eaten by humans in some parts of southeast Asia.

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Keywords: aquatic, araceae, bay root, bayroot, biology, botany, canal, duck weed, duckweed, floating, flora, invasive, landscape, lemna minor, lemnaceae, nature, pest, plant, plants, pond life, pondwater, river, stream, water, water lentils, water way, waterway, weed

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Duckweed choking waterway

K003/6530 Rights Managed

Downloadable master

Duration: 00:00:17.14

Frame size: 1920x1080

Frame rate: 29.97

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 1.2G

Original

Capture format: DSLR - AVCHD

Codec: Apple ProRes 422 (HQ)

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