The melting permafrostEven before researchers knew about the orange waters, they realized northern Alaska was rapidly changing. The Arctic Inventory and Monitoring Network mapped locations of orange streams, and aerial photos show how easy they are to spot because of their brightness. When scientists went to the orange streams to count fish, insects, algae, and other aquatic life , "biodiversity just crashed," biologist Mike Carey told Scientific American . Advertisement"The fish were totally gone," Koch told BI. The streams Koch monitors near the Brooks Range are fairly remote, but the rivers they feed into provide fish for human communities in this region.

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Persons: John McPhee, Joshua Koch, It's, —, Michael Carey, Koch, Carson Baughman, Kenneth Hill, Mike Carey Organizations: Service, US Geological Survey, Koch, Survey, Geological Survey, National Park Service, University of California, Davis , Alaska Pacific University, University of Alaska, Scientific, BI Locations: Salmon, Beaufort, Kobuk, , Alaska, Davis ,, Anchorage —, Alaska