A dense mat of Common Duckweed provides a vivid green surface to this stagnant river, where the water flow is minimal in hot summer weather.

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Size: 4000px × 3000px
Location: Waterperry Gardens, Oxfordshire, England, UK
Photo credit: © Kay Ringwood / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: aquatic, colonies, common, conditions, cover, dense, duckweed, environment, environmental, flow, green, growth, mat, moving, river, slow, stagnant, sunlight, surface, water