A proposed mine in Alaska will endanger brown bears – and much more

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Towering over the average human and weighing as much as a grand piano, the bears found in south-west Alaska are considered among the best in the world to observe as they pad around in a largely untouched wilderness of soaring mountains, pristine rivers and rocky beaches.

About a third of Alaska’s 30,000 brown bears are found on the Alaska Peninsula, which separates the Pacific Ocean from Bristol Bay, a place that hosts the most productive wild salmon fishery in the world and draws large numbers of bears to catch their food in the tumbling waters once they emerge from their winter hibernation.

Brown bears fish for salmon at McNeil Falls in Alaska's McNeil River State Game Sanctuary - home to the largest known seasonal congregations of brown bears on earth.


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  • Top: Brown bears fish for salmon at McNeil Falls in Alaska’s McNeil River state game sanctuary. Left: A brown bear fishes for salmon at Chenik Creek, Alaska. Right: A brown bear paw print on the trail to McNeil Falls in McNeil River state game sanctuary.

This idyll is under looming threat from the controversial Pebble Mine, a proposed open-pit gold and copper mine that is planned for the headwaters of the Bristol Bay watershed. The local fishing industry, comprising 14,000 jobs that hinge on an environment that produces half of the world’s sockeye salmon, fears the project will cause its demise.

But the mine, which will involve the destruction of thousands of acres of wetlands and miles of salmon streams, also poses a major threat to the bears that feed on the fish. Aside from ingesting pollution disgorged from the mine, the bears also face the prospect of their habitat being sliced up – an 87-mile transportation and infrastructure corridor to the mine will run right next to the largest concentration of brown bears in the world.

Former Chenik brown bear guide Kirk Johnson surveys the mouth of Amakdedori Creek, the current proposed site for Pebble Mine's industrial port complex (as of summer 2019).


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  • Top: Former Chenik bear guide Kirk Johnson surveys the mouth of Amakdedori Creek, proposed site for Pebble Mine’s port complex.

  • Center left: Rick Delkittie Sr at his fish camp on Six Mile Lake. A member of the Dena’ina tribe. Center right: Sockey salmon.

  • Bottom: A brown bear sow searches for salmon with her three cubs in a tidal lagoon.

In 2014, the US Environmental Protection Agency determined the Pebble Mine would significantly harm fish populations and streams in the region – but the agency under Donald Trump has reversed its position, opening up a path forward for the development. Alaska Natives, fishing groups and environmentalists have sought legal action to block the mine ahead of a US army corp of engineers decision, expected this summer, on whether to grant it a necessary permit.

Opponents of the mine say much is under threat – a sizable fishing industry, the tens of thousands of tourists who visit the area each year, the health of prized salmon and one of the last corners of the world where significant numbers of bears live harmoniously around people.

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Left: Keith Jensen, president of the Village Council of Pedro Bay, Alaska, outside his home. This small settlement on the coast of Lake Iliamna has stood together against the proposed Pebble Mine, using the Village Council's land holdings to block a northern transportation route the mine had proposed.Right: As their mother fishes for salmon nearby, two brown bear cubs (Ursus arctos) rest in the tidal lagoon in Alaska's McNeil River State Game Sanctuary, home to the largest seasonal congregations of brown bears on earth.


Bear viewers watch brown bears (Ursus arctos) fish for salmon at McNeil Falls in Alaska's McNeil River State Game Sanctuary, home to the largest seasonal congregations of brown bears on earth.


  • Top left: Keith Jensen, president of the Village Council of Pedro Bay, Alaska, outside his home. Top right: Two brown bear cubs rest in a tidal lagoon. Bottom: Bear viewers watch brown bears fish for salmon.

“Personally, I feel that the mine’s impact on this bear population would be a global loss, not just a local one,” said Acacia Johnson, a photographer whose parents were bear guides. “I think that the opportunity to share a landscape peacefully with an apex predator is a powerfully transformative experience, that can change the way people understand their own relationships to the planet and wilderness in general.”

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