Water

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  Lagoon Communities and Ecosystems

  Arctic lagoons make up about a third of the Arctic coastline.

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  Lake Communities and Ecosystems

  Large lakes are associated with volcanic explosions, geologic rifts, or the presence of moraine dams.

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  Shallow Lakes

  Tens of thousands of shallow lakes are distributed across the Arctic Network.

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  Stream Communities and Ecosystems

  A network of greater than 25,000 miles of perennial and intermittent streams and rivers.