Home▸Ecology & Conservation Biology▸Environmental Flow: River Ecosystem Thresholds

Environmental Flow: River Ecosystem Thresholds

Drag a water-extraction slider and watch a river's flow drop below four distinct ecological minimum-flow thresholds — fish passage, dissolved oxygen, sediment flushing and floodplain connectivity — each failing independently at its own extraction level, not all at once.

Ecology & Conservation Biology3DModerate60 FPS💧 Water 🌍 Earth

Details

CategoryEcology & Conservation Biology

RenderingThree.js · WebGL

DifficultyModerate

Target FPS60

ControlsWater extraction rate slider (0-100%) reduces river flow in real time; simulation speed slider (0.25x-3x) scales sim time; live status indicators for fish passage, dissolved oxygen, sediment flushing and floodplain connectivity update independently as each function's own flow threshold is crossed; orbit/zoom via drag and scroll.

river ecosystemenvironmental flowwater extractionfish passagedissolved oxygenfloodplainsediment flushingecology

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Water extraction for irrigation, cities and industry reduces river flow — but the ecosystem doesn't decline smoothly. Multiple distinct ecological functions each have their own minimum-flow threshold, and they fail one at a time as extraction increases, not all together.

⚙ Under the hood

river ecosystemenvironmental flowwater extractionfish passagedissolved oxygenfloodplainsediment flushingecology

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install