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第 15 页CC0 1.0（公有领域）
For blood-sucking flies, the Far North is a paradise of food and breeding habitat, but for the animals and humans that reluctantly furnish the blood, the Far North is hell on Earth. The world’s largest populations of black flies and mosquitoes are found in northern regions of the globe.
第 17 页CC0 1.0（公有领域）
Did you know that employees from across the National Park Service stepped up to help their fellow employees after hurricanes hit the US Virgin Islands and Puerto Rico? In September of 2017, Hurricane Irma, one of the strongest known hurricanes in the Atlantic, lashed the Caribbean and Florida. It…
第 20 页CC0 1.0（公有领域）
Hunters distrusted the 1970s counts that said the Western Arctic Caribou Herd had crashed. A cooperative plan signed in 2003 uses ANILCA's provisions to bring hunters into management.
