The Arctic region is a unique environment when it comes to underwater noise and the potential impacts that increasing noise levels could have on animals in the Arctic. There are a number of factors which contribute to its uniqueness compared to non-Arctic waters, including the sources of ambient sound, and how ice cover can affect sound propagation properties. The Arctic is also home to a number of endemic marine species, many for which the making, hearing, and processing of sounds serve critical biological functions, including communication, foraging, navigation, and predator-avoidance. Most importantly, the culture and livelihoods of Indigenous Peoples in the Arctic depend on the continued health of marine mammals, to a greater degree than in other regions of the world.
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