Illustration of stream base with bank erosion
Illustration of river base with sandy bottom
Illustration of freshwater pond base
Illustration of stream base with sandy banks in valley
Cross-section of Lami Town in Fiji
Illustration of river cross sectional base
Illustration of river base with braided channel and incoming streams
Illustration of base with meandering river with sandy banks
Illustration of a stream with stream bank erosion, poor water quality, and poor air quality