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  • As Arctic temperatures rise, tundra fires increase, researchers find

    The 2007 Anaktuvuk River Fire burned more than 1,000 square kilometers of tundra on Alaska's North Slope. It was the largest fire in the region since 1950, when record-keeping began.

    The 2007 Anaktuvuk River Fire burned more than 1,000 square kilometers of tundra on Alaska's North Slope. It was the largest fire in the region since 1950, when record-keeping began.

    Photo courtesy Bureau of Land Management

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      The 2007 Anaktuvuk River Fire burned more than 1,000 square kilometers of tundra on Alaska's North Slope. It was the largest fire in the region since 1950, when record-keeping began.

      Photo courtesy Bureau of Land Management

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      Plant biology professor Feng Sheng Hu, in 2008, with helicopter pilot Gerard Loidl, who was hired to take Hu to the site of the historic Anaktuvuk River Fire. Hu is holding a core sample he collected from an affected lake.

      Photo courtesy Feng Sheng Hu

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