Tiny Beetle Chews Way Through Millions of Trees

http://online.wsj.com/article/SB123033419759936309.html


 From New Mexico to Canada, Sweeping Pine Tree Vistas Disappear as 
Officials, Strapped by Tight Budgets, Cope With Fallout



By STEPHANIE SIMON

DENVER -- State and federal lawmakers returning to work next month 
will face urgent requests for help dealing with a tiny bug that has 
chewed an enormous swath of destruction across the West.

The mountain pine beetle has killed tens of millions of trees in 
Colorado alone and has destroyed forests from New Mexico to Canada. 
Across the Rocky Mountain West, iconic postcard vistas are vanishing 
as entire mountainsides turn first a sickly shade of rust, then a ghostly gray.

Female beetles, about the size of a fingertip, bore into a tree and 
deposit their eggs in the layer of tissue under the bark. When the 
larvae hatch, they begin eating the tree from the inside, cutting off 
the flow of nutrients to branches and needles. It is impossible to 
get ahead of the beetle; all scientists can do is let the infestation 
run its course.

The beetle is expected to kill virtually every mature lodgepole pine 
in Colorado, or five million of the state's 22 million forested acres.

View Full Image
Beetles Chew Through Trees

Alamy

Mountain pine beetles, about the width of a fingertip are expected to 
kill every mature lodgepole pine in Colorado.
Beetles Chew Through Trees

Beetles Chew Through Trees


Already, elected officials are confronting the aftermath. Among their 
challenges: The dead and dying forests will be highly flammable for 
as long as two decades. But Colorado's rural and mountain communities 
report increasing difficulty recruiting the volunteer firefighters 
who handle most emergency calls.

"If there's a major fire from the pine-beetle infestation, all of us 
are going to be understaffed," said Jamey Bumgarner, the fire chief 
for the community of Larkspur, in the foothills south of Denver.

A large wildfire could threaten not only homes and resorts, but also 
the power grid. Three major transmission lines that feed into the 
Western grid pass through beetle-infested forests. A fire could melt 
the transmission towers, cutting power to millions. "It's a matter of 
regional, even national, security," said Colorado state Rep. 
Christine Scanlan, a Democrat.

The power lines are also at risk from falling trees. Millions of 
dying pines will topple over the next 15 years.

"What are they going to fall on? Power lines, roads, trails, 
campgrounds, water-storage tanks, fencing," said Clint Kyhl, who 
leads the U.S. Forest Service's beetle-response team. He estimates 
the Forest Service will need $200 million to clear dying trees from 
critical infrastructure.

Budgets, however, are tight everywhere, and that kind of money hasn't 
been forthcoming.

Colorado Gov. Bill Ritter, a Democrat, plans to ask the state 
legislature to allocate $5.5 million for beetle mitigation. The 
federal government has committed $26 million to regional efforts.

State lawmakers, meanwhile, are floating proposals to offer such 
incentives as tax rebates and college-tuition vouchers to volunteer 
firefighters.

They are also considering a loan fund for entrepreneurs who find 
creative uses for lumber from the beetle-kill. (The infestation 
streaks the wood an unusual shade of denim blue, so it's not fit for 
some construction jobs.) Already, companies are turning dead trees 
into fuel pellets for wood-burning stoves, and there is a project in 
the works to convert the lumber into ethanol.

"This is an opportunity to create jobs, even in this down economy, 
from what is a really tragic situation for Colorado," said state Sen. 
Mike Kopp, a Republican.

Forestry experts also see an opportunity to promote new strategies 
for managing public lands.

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Beetles Chew Through Trees

Associated Press

Pine trees in the state's White River National Forest were killed by 
the beetle, whose larvae are hatched under bark, allowing them to 
consume the tree from the inside.
Beetles Chew Through Trees

Beetles Chew Through Trees


The infestation took root in part because temperatures in the region 
have been too warm in recent years to kill beetle larvae. A long 
drought is another factor, as it has left trees stressed and 
susceptible. But foresters pin much of the blame on management 
practices. Decades of fire suppression and logging restrictions left 
the forests densely packed with towering, century-old lodgepole 
pines, which happen to be the beetles' favorite food.

Scientists say in the ideal forest, old-growth trees would stand 20 
feet apart from one another. In many Rocky Mountain forests today, 
the trees are so close, you can't walk between them.

Tom DeLuca, senior forest ecologist with the Wilderness Society, and 
other specialists advocate letting more wildfires burn as long as 
they don't threaten homes. Some also call for proactive thinning of 
forests, or efforts to nurture a variety of tree species so the 
beetles don't enjoy an endless buffet of lodgepoles. As a more 
immediate step, they urge creating fire breaks by strategically 
clear-cutting strips of forest to protect homes, power lines and 
transmission towers.

Such steps aren't always popular. "They create a lot of fear," said 
Mr. Kyhl, of the Forest Service. "We need to work with the public."

A public accustomed to deep-green forests may also need help 
adjusting to the new look of the Western landscape. "Things do look 
pretty grim," Mr. DeLuca said. "It really affects people."

He recommends a spring hike into the dying forests, where 
wildflowers, grasses and seedlings emerge between the skeletal pine 
trees. "There's an explosion of life," he said. "It's a special time. 
You just have to be willing to look down, instead of up."

Write to Stephanie Simon at 
<mailto:[email protected]>[email protected]


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