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Duckweed choking waterway

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Credit

PETER MATULAVICH / SCIENCE PHOTO LIBRARY 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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Clip Properties:

  • Duration: 00:00:12
  • Audio: Yes
  • Interlaced: No
  • Capture Format: DSLR - AVCHD
  • Codec: Apple ProRes 422 (HQ)

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