River 3D: comparison healthy vs eutrophic

Illustration of a healthy stream ecosystem with ephemeral pools

Illustration of a stream with stream bank erosion, poor water quality, and poor air quality

Illustration of river base comparison between natural and developed systems

Comparison of a watershed, showing healthy and unhealthy

Triptych comparison of a river mouth, showing a pristine environment (left) with subsequent sediment, nutrients, and toxin inputs leading to an unhealthy and unproductive environment with a hardened shoreline (right)

Illustration of river base comparison

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Illustration of freshwater pond base