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The State of the World's Rivers

Mapping the Health of the World's Fifty Major River Basins

The State of the World's Rivers interactive mapping database compares ecological health indicators within the world's 50 major river basins. To start navigating the maps, click to close this dialogue. Then, on the left panel, select among the fourteen ecological indicators to visualize corresponding values in each basin. Scroll down to study a selection of ten basins in greater depth, to visualize the location and attributes of dams, and to visualize sites of high conservation value.

Further information and instructions

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