A relative of minks and otters, the Pacific fisher is a medium-size carnivorous mammal – about the size of a house cat – that once roamed the West Coast from British Columbia to Southern California.

The Trump administration in May of 2020 denied Endangered Species Act protection to the Pacific fisher across most of its West Coast range, except for a dwindling population in California’s southern Sierra.

Three environmental groups say plans by the U.S. Forest Service and U.S. Fish and Wildlife Service for logging and vegetation management won’t provide proper protection of Pacific fisher habitat.

The lawsuit targets the Sierra, Sequoia, and Stanislaus National Forests.

Lawsuit Targets 45 Projects

Unite the Parks, Sequoia Forestkeeper, and Earth Island have sued in the Eastern District Court of California in Fresno to stop 45 planned projects ranging from logging, chipping, burning, and hazard tree felling.

Many of the planned projects are in the Sierra National Forest, which was the site of the Creek Fire — the single largest wildfire in California history at 379,895 acres before being contained on Dec. 24, 2020.

“The purpose is to protect the Pacific fisher,” says René Voss, attorney for Sequoia ForestKeeper. Voss says the forest service is seeking to take out trees larger than 10 inches in diameter starting as early as June of this year. Voss points to science he says shows that thinning and logging aren’t the answer to preventing large fires.

“The purpose is to protect the Pacific fisher.” – René Voss, attorney for Sequoia ForestKeeper 

Fresno County Supervisor Nathan Magsig, whose district encompasses a large part of the Creek Fire burn area, says seeing the devastation firsthand gives him a different perspective.

“All you have to do is look at the devastation and damage that the Creek fire caused in areas that were un-managed and look at those areas that were managed,” said Magsig.

The supervisor said that the managed areas suffered much less damage: “That is your evidence.”

Debating Best Methods to Prevent Large Wildfires

portrait of Nathan Magsig

“Any studies that rely on theory, I don’t have much time for those in practice.” – Fresno County Supervisor Nathan Magsig

Voss says current wildland fire models are flawed because they don’t account for atmospheric effects that result from the removal of ladder fuels and fuel reduction thinning. Those practices lead to increased windspeeds, fire spread, and fire intensity, he said.

“The thinning and the fuel reduction work that they’re doing out there, supposedly to reduce fire risks, actually make things worse,” says Voss.

For example, Voss said, when the forest service thins out areas underneath old-growth trees, it’s easier for wind to flow through the forest’s under-canopy and amplify the flames.

“The three main ingredients of a fire are ignition, fuel, and oxygen,” Voss said. Forest management and thinning don’t account for the oxygen component, he said.

Voss says when ladder fuels are removed, ground-level wind speed and turbulent mixing increase, leading to faster fire spread and greater oxygen-transport efficiency; this, in turn, results in increased fire intensity. He points to a study by atmospheric physicist Dr. Joseph Warne (Unite the Parks v. U.S. Forest Service) that he says proves this out.

Magsig says anyone citing these types of studies to negate the positive impact of forest management needs to go to the Shaver Lake area and explain that to people that lost everything in the Creek Fire.

“Any studies that rely on theory, I don’t have much time for those in practice,” says Magsig. “You will see that those areas where there was appropriate thinning, and ladder fuels were taken out, the fires were not as devastating.”

But Voss points to a study done by Dr. Chad Hanson that shows that the most heavily-managed areas in the Creek Fire burned with the greatest amounts of high severity, and the most protected or least managed areas burned with the least amount of high severity.

“The Hanson study simply reports the data; this isn’t theoretical,” says Voss.

Photo of a firefighter

In this Sept. 7, 2020, photo, a firefighter battles the Creek Fire as it threatens homes in the Cascadel Woods neighborhood of Madera County. (AP File Photo/Noah Berger)

Environmental Groups’ Stance on Forest Management

Voss says the interests he represents aren’t totally opposed to forest management.

“What we’re saying is they shouldn’t they shouldn’t be logging in anything larger than say what they need to be able to reintroduce fire,” said Voss, adding that nothing larger than 10 inches in diameter should be taken out of the forest. “So the management proposal that we do support is prescribed burning in the appropriate time of the year and a much larger scale.”

Voss says the Sequoia, Kings Canyon, and Yosemite National Parks have been doing widespread prescribed burning for decades. He says his research shows that fires in the parks don’t burn as intensely as opposed to the National Forests, where widespread prescribed burning hasn’t been done.

Projects That Could Be Impacted by Lawsuit

Sequoia National Forest

1. Eshom Ecological Restoration Project
2. Hazard Tree Slash Cleanup Project
3. Road 25S15 Hazard Tree Project
4. Summit Healthy Forest
5. Big Stump/Redwood Mountain Fuels Restoration Project
6. Long Meadow Restoration Project
7. Trail of 100 Giants Hazard Tree Mitigation Project
8. Plateau Roads Hazard Tree
9. Rough Plantation Maintenance and Restoration

Sierra National Forest

1. Musick Vegetation Project
2. Whisky Ridge Ecological Restoration Project
3. French Fire Recovery and Reforestation Project
4. Blue Rush Restoration Project
5. Aspen Restoration Project
6. Ferguson Fire Roadside Hazard Project
7. Cedar Valley Fuels Reduction Project
8. Greys Mountain Ecological Restoration
9. Sonny Meadows Pinegrove Restoration Project10. Sky Ranch Road System Hazard Tree Abatement Project
11. Madera and Mariposa County Road Hazard Abatement Project
12. Upper Chiquito Creek Bridge Replacement
13. FY19 Joint Chiefs Fuelbreak Project

Stanislaus National Forest

1. Rim Fire Recovery and Reforestation

Copy of Court Filing

Click here to view the entire court filing.

5 Responses

  1. Gregory Kollenborn

    This has just gone too far. If these opposing sides can’t get together and agree on what is the most effective protective measures to prevent more devastation on our national forests and in the urban/forest interfaces it is just BS politics again. Looks to me that this is just another ploy to keep us, the public out of our national forests. When more homes burn this summer these groups should be held liable for any damage in these listed areas.

  2. Jon

    These environmentalists are absolutely crazy. They are absolutely the reason for the devastation of our forests with their failed policies over the last 40 yrs. Time to get rid of them before we have no forests left.

  3. Penni Johnson

    Mr. Voss, I will address just one point to start, that of wind conditions in uncleared versus cleared forest grounds. Our mountain areas are subject to highly dangerous Mono winds, particularly in the fall. In cleared and well-maintained areas, a fire can still burn, but the winds blow through much more quickly and fires burn more efficiently the little cover there is. In areas NOT well-maintained and cleared, ie. little or no defensive zone, fires burn long and hot, consuming all in its path, even melting glass, metal, rubber, and rocks! Structures have no defense!People get trapped…and die.
    Environmental groups hold much responsibility for this travesty, in my opinion. We must follow the ways of the Native Americans; clear slash, cut back non-native plants, clean the forest floor, and respect nature!

  4. Penny Lacy

    Environmental groups have lost all support from me on forest management. We allowed them to take over much of the decision making on these issues for decades and look what the results are….forests that burned to the ground and support no life, no plants, no animals nothing.

  5. James

    The environmental protection act can sit in their office and watch the rest of the fishers habitat burn. I have seen more fishers in the last 5 years in the Sierra national forest witch I live in. I would truly hate to see the rest of the wooded area that we have left burn. If we don’t clean up our forest our trees and fishers will be black.


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