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Forest Service Considers Changing Rule That Prevented Logging Of Some Northwest Old-Growth Trees

File photo. The U.S. Forest Service is considering a change to its "Eastside Screens" rule that prevented logging of some trees over 21-inces in eastern Oregon and Washington..
File photo. The U.S. Forest Service is considering a change to its "Eastside Screens" rule that prevented logging of some trees over 21-inces in eastern Oregon and Washington..

The U.S. Forest Service is considering changing a rule that prevents logging of large trees on national forestland in parts of Washington and Oregon. 

Federal officials say it’s an important update that could help tame large-scale wildfires. Conservation groups worry the amendment process has been rushed and could damage important forest habitat.

The land management plans,  known as the “Eastside Screens,” came about in 1995 to protect old growth trees east of the Cascades. The rules were meant to be temporary. The Forest Service wants to amend a section of the policy called the “21-inch rule,” which prohibits harvesting trees that are greater than 21-inches in diameter.

Conservation groups say the provisions, though largely unknown, are “the most meaningful protections for large trees and old-growth” in Oregon.

“By keeping old-growth logging off the table for 25 years on public lands, these protections for wildlife habitat, clean water, and other values have kept the peace and created conditions for some level of agreement over forest management in the region,” Rob Klavins with  said.

While Klavins says his group isn’t opposed to removing individual trees at times, he says hastily removing the 21-inch rule would drastically weaken the Eastside Screens provisions, and thereby hurt old-growth forests.

Making Land Management Decisions

The amendment would apply to the Deschutes, Fremont-Winema, Malheur, Ochoco, Umatilla, and Wallowa-Whitman National Forests, which are primarily in Oregon with some sections in southeastern Washington. It wouldn’t apply to the portion of Washington’s Okanogan-Wenatchee National Forest that falls under the Eastside Screens management plan. The Colville National Forest, in northeastern Washington, recently removed the Eastside Screens provisions – including the 21-inch rule – from its forest plan.

Forestry groups say the blanket rules don’t help make wise land management decisions. Amending the 21-inch rule would lead to better management of individual stands, says Andy Geissler with the American Forest Resource Council.

“It should be done on a stand-by-stand basis. Using just one number for every stand out there, without actually looking at the stands, is just flawed. It’s using this absolute approach, and it just doesn’t work,” Geissler said.

Geissler says removing the 21-inch rule won’t drastically increase the amount of logging done on national forests, calling it an “incremental change.” But conservation groups aren’t convinced that’s the case.

The Forest Service says it’s trying to encourage a mix of different types of trees of all different sizes. That would help forests better withstand wildfires and drought, says spokesperson Stephen Baker.

“The ability to remove some 21-inch trees would help us manage for more resilient forests with species that are less likely to die in wildfires and other disturbances. It could also allow us to manage homogenous, high-density stands in a way that lowers the potential for large-scale forest die-offs from individual disturbances like a wildfire or an insect outbreak,” Baker wrote in an email.

Baker says the 21-inch rule has allowed fast-growing, shade tolerant species to thrive, such as grand firs. That means there are bigger trees in forests, but not necessarily older trees. He says those younger trees can out-compete more fire-adapted species, such as ponderosa pines.

A recent white paper from the Forest Service’s Pacific Northwest Research Station said “tree diameter alone” was an “insufficient guide for restoration.” In its  recent bioregional assessment, the Forest Service said the Eastside Screens have helped stabilize old-growth forests on federal lands, but that these forests are now at risk of increasing wildfires.

The Forest Service is developing a draft environmental assessment that would provide four alternatives for tree removal – likely due out at the end of July. A final decision is expected by next spring.

Conservation Groups Concerned

Conservation groups are concerned this decision has come too quickly and will have too little input from the public. Twenty-seven groups recently co-signed a letter asking the federal government to put decisions on hold until after the pandemic.

“If the Eastside Screens are to be revised, it must happen through a balanced, transparent, comprehensive, socially just, and scientifically sound mechanism that prioritizes wildlife protection, climate resilience, and public consensus over speed and economic exploitation,” the groups wrote in the letter.

Another concern is that a workshop put on by the Forest Service about the amendments took place on an Indigenous holiday, when tribal governments were closed, the letter says.

Rob Klavins, with Oregon Wild, says these large trees provide much-needed habitat for wildlife and can act as carbon sinks, an important side effect as the climate warms and extreme wildfires become more frequent.

“We have this problem. And rather than treat the ultimate cause of it, which is climate change, fire suppression and logging of old growth, we are treating the symptoms with more logging of old growth and more fire suppression,” Klavins said. “And we’re hoping to get a different result. It just doesn’t pass the laugh test.”

Courtney Flatt covers the environment and natural resources for Northwest Public Broadcasting. She is based in Washington’s Tri-Cities. On Twitter: @courtneyflatt

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