International Trade, Noise Pollution, and Killer Whales
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Orcinus Orca is the worlds largest predator, and simultaneously a significant tourist asset and cultural icon for much of the Pacific Northwest. In the past two decades, the Southern Resident Killer whale (SRKW) population has declined by more than 25 percent, putting them at risk of extinction. The
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美国国家经济研究局创建时间：
2023-06-01
