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Today's Stories

June 30, 2009

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FDR's Real Defining Moment: Ending Prohibition

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Ramzy Baroud
People for Sale in a Hungry World

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James Bovard
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Gareth Porter
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The Department of Energy's Nuclear Albatross

Dave Lindorff
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Steven Colatrella Remembering Giovanni Arrighi

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Protest as Terrorism

 

June 23, 2009

David Price
Obama's Classroom Spies

Patrick Cockburn
Iraq Reels Toward a New Era

James Ridgeway /
Jean Casella
Bi-Partisan Bull on Health Care: Three Ex-Senators Get It Up for the Health Care Industry

Dave Lindorff
Using the Economic Crisis to Attack Workers

Carmelo Ruiz-Marrero
Puerto Rico: Biotech Island

Gary Leupp
Dennis Ross Moves to the White House

Brian M. Downing
The Erosion of the Mullahs' Monolith

Robert Bryce
Are Theocracies Doomed?

Nicholas Dearden
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Yousef Munayyer
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June 22, 2009

Michael Hudson
Obama's (Latest) Surrender to Wall Street

Esam Al-Amin
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Chris Floyd
Dexter's Legions in Afghanistan

Jack Z. Bratich
The Fog Machine: Iran, Social Networks and Genetically Modified Grassroots Organizations

Atash Yaghmaian
We Children of the Revolution

Laura Carlsen
Victory in the Amazon

Paul Craig Roberts
The U.S. Regime-Change Recipe for Iran

Vijay Prashad
Gun v. Butter: Now You are Only Poor

Fred Gardner
Charles Lynch Gets a Year and a Day (No Thanks to Eric Holder)

Andy Thayer
The Blank Check: How We Got the Obama-DOMA Debacle

David Macaray
Unions and the Newspaper Crisis

Website of the Day
The Most Spied Upon Town in America?

 

June 19 - 21, 2009

Alexander Cockburn
I Become an American

Jeffrey St. Clair
Firebrand: Rod Coronado's Flame War

Patrick Cockburn
Who Will Control Iraq's Oil?

Al Giordano
What the Left Should be Learning From Iran

Henry A. Giroux
The Iranian Uprisings and the Challenge of the New Media

Anthony DiMaggio
The Electoral Façade

Paul Craig Roberts
Are the Iranian Protests Another US Orchestrated "Color Revolution?"

John Ross
46 Dead Mexican Toddlers: Sacrificed on the Altar of Neoliberalism

Gareth Porter
Spinning Civilian Deaths in Afghanistan

Carl Ginsburg
Obama's Bix Fix: Placating the Bankers, Again

Tommi Avicolli Mecca
40 Years After Stonewall: From Smash the Church to Going to the Chapel

Joe Bageant
Workers' Rights: No Balls, No Gains

Serge Halimi
Protectionism: We've Been Here Before

P. Sainath
Price of Rice, Price of Power in India

Jim Goodman
The Claim Deniers: Why the Health Insurance Industry Doesn't Deserve Our Trust

Dave Lindorff
Obama's Health Care Waterloo

Rannie Amiri
Bush Jumps Over Maine, Carter Lands in Gaza

Robert Fantina
Iran, Obama and McCain

Harvey Wasserman
Big Nuke's Radioactive Hoax in Impoverished Ohio

Walter Brasch
They Got Away With Murder: 12 Angry White People

David Ker Thomson
This Moment's Bill of Rights

Charles R. Larson
No Voice: Telling Her Mother's Story

David Yearsley
Escape From the Torture Chamber

Kim Nicolini
When the Closet is the Culprit

Ben Sonnenberg
Rossellini and the Art of Ambiguity

Poets' Basement
Beatty and Kowitt

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Grown in Yellowstone, Slaughtered in Montana

June 18, 2009

Uri Avnery
The Case of Netanyahu and the Curious Incident

Robert Sandels /
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U.S. Cuba Policy: a Case of Post-Diplomatic Strees Disorder

Anthony DiMaggio
The Iranian Elections and the Faith-Based Media

Robert Weissman
Obama's Financial Sector Reform Plan: the Good, the Bad and the Ugly

Joshua Frank
These Are Obama's Wars Now

Jonathan Cook
Canadian Ambassador Honored in Illegal Park Built on Razed Palestinian Homes

Reza Fiyouzat
Iranians in the Streets

Norman Solomon
Obama and the Antiwar Democrats

Ali Jawad
Reformists are Islamists, Too

James Ridgeway
Am I on Crack When It Comes to Flight 447?

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The Death of the Ghost Prisoner

June 17, 2009

Carl Boggs
Torture: an American Legacy

Dr. Bryant Welch
Torture, Psychology and Sen. Daniel Inouye: the True Story Behind Psychology's Role in Torture?

Winslow T. Wheeler
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Liaquat Ali Khan
Obama's Gift to Pakistan: a Civil War

Jonathan Cook
Beating and Torturing Children

Binoy Kampmark
Gordon Brown's War Inquiry

Karim Makdisi
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Dave Lindorff
Criminalizing Dissent: Obama Pot Calls Iranian Kettle Black

David Swanson
In Congress: 32 Heroes, 21 Frauds

Gene Marx
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The Diamond Mine That Ate Mirny

June 16, 2009

Patrick Cockburn
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John Ross
Undermining Mexico

Afshin Rattansi
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Marc Levy
How I Nearly Won the War

Paul Craig Roberts
Are You Ready for War with a Demonized Iran?

Behzad Yaghmaian
Iranian Youth Make History

Brian M. Downing
Democracy in Iran

Merle Lefkoff
Israel's Angels in America

David Macaray
Charles Manson and Me

Robert Jensen
Finding a Stubborn Hope to Live in a Dead Culture

David Swanson
An Exit Strategy That Keeps Wars Going

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Rachel Corrie Soccer Tournament Fundraiser

June 15, 2009

Michael Hudson
The Ending of America's Financial-Military Empire

Reza Fiyouzat
The Iranian Elections: Sure They Stole It...Up Front and Honestly

Patrick Cockburn
A Whole New Ballgame in Iraq

James Ridgeway
Did Composite Parts Bring Down Air France Flight 447?

Marjorie Cohn
Agent Orange Continues to Poison Vietnam

Rannie Amiri
Iran and the End of the "Obama Effect" Myth

Dave Lindorff
How Obama is Blowing the Chance for Real Health Care Reform

Ron Jacobs
The Iranian Elections and the Hysterical Media

Leonard Schwartz
The Angel of History and the Ghetto of Gaza

Martha Rosenberg
Start Your Engines, Drug Reps!

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Single-Payer v. Public Option

June 12-14, 2009

Alexander Cockburn
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Gareth Porter
The CIA's Drone Wars

Mike Whitney
Bernanke's Next Parlor Trick

Mark Ames
Elmer Fudd Nation

Esam Al-Amin
What Really Happened in the Lebanese Elections?

Franklin Lamb
Carter in Lebanon

Patrick Cockburn
Prisoner Swap in Iraq

Andy Worthington
The Long Ordeal of Mohammed El-Gharani

Heather Gray
A New Perspective on the Confederacy: Southern Greed During the Civil War

Felice Pace
Why NPR Refuses to Report on the Single Payer Movement

Ron Jacobs
Flashback to the End of a War That Really Did End

George Wuerthner
Burning Questions: Why the National Fire Plan is a Trojan Horse for Logging

Jeffrey Buchanan /
Trinh Le
Biloxi Trailer Blues

David Ker Thomson
Americana

Renaud Lambert
Brazil: More Dependent Than Ever

Kevin Zeese
Congress and the Health Business Lobby

David Macaray
SAG Vote: A Lesson in Solidarity ... Not

Evelyn Pringle
FDA Throws Lifeline to Antipsychotic Pushers

Chris Genovali
Blood Sport Auction: Why eBay Should Stop Selling Guided Hunts for Bears, Wolves and Cougar

David Michael Green
The Rhetorical President

Brian J. Foley
Our Solar System is Not a Suicide Pact!

Charles R. Larson
No Safe Return

Kim Nicolini
Foreclosure is Hell: Sam Raimi's Frightfest

David Yearsley
Bach on Torture: Mr. Cheney, They're Playing Your Song

Lorenzo Wolff
Intent to Discord

Poets' Basement
Chris Jordan

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June 11, 2009

Kathy Kelly /
Dan Pearson
Down and Out in Shah Mansoor: With the Swat Refugees

James Bovard
The Latest Torture Cover-Up Scam

Tristan de Bourbon
The Toy Makers of Chenghai: the Financial Crisis Seen From China

Dave Lindorff
The Wheels are Coming Off the Recovery Program

Kevin Zeese
The Case for Disbarment of the Torture Lawyers

Ralph Nader
The Craft of Sam Maloof: a Visionary Woodworker

Harvey Wasserman
The GOP's Trillion Dollar Reactor Plan Goes Radioactive

Nicole Colson
The Anti-Abortion Movement's Climate of Violence

Mark Weisbrot
Showdown Over the IMF

Dan Bacher
Big Water's Big Lie Unravels

Website of the Day
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June 10, 2009

Ismael Hossein-Zadeh
Obama's Doublespeak on Iran

Jennifer Van Bergen / Douglas Valentine
The Dangerous World of Indefinite Detentions: From Vietnam to Abu Ghraib

Kathy Kelly
Visitors and Hosts in Pakistan

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Fear Rules

Rev. William E. Alberts
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Peter Lee
Obama and North Korea: a Warm-Up in the Offing?

Carol Miller
Why We Need a Holistic, Cradle-to-the-Grave National Health Care System

Emily Ratner
Dreams of Flight in Gaza

Robert Weissman
The IMF's Accountability Moment

Dave Lindorff
The Sutra of the Crushed Volvo

Website of the Day
Starving in Gitmo

June 9, 2009

Winslow T. Wheeler
Back From the Dead: Pentagon Pork!

Mike Whitney
Is Hyper-Inflation Around the Corner?

Stan Cox
Biofuel's Drug Problem

Sibel Edmonds
The Battle Against the State Secrets Privilege

Jonathan Cook
Where the Victim is the Guilty Party

David Macaray
A Bad Time for Unions

Robert Jensen
In South Africa, Apartheid is Dead, But White Supremacy Lingers On

Nadia Hijab
The Obama Difference

Mark Weisbrot
Vulture Funds Descend on Argentina

Website of the Day
Waging Non-Violence

June 8, 2009

John Ross
Mexico: Politics as Drugs / Drugs as Politics

Paul Wright
Deconstructing Gus: How a Former Prisoner Took On and Took Down Corrections Corporation of America's Top Lawyer (and Cheney Pal)

Paul Craig Roberts
Long-Term Economic Memory Loss

Franklin C. Spinney
"Natural Growth:" Israel's Demographic Hogwash

Franklin Lamb
Lebanon's Elections: Return to the Status Quo

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Israeli Loyalty Oaths

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The Dairy Oligarchy

Norman Solomon
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Reza Fiyouzat
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Alexander Cockburn
High Words, Low Truths

George Galloway
Our Convoy to Gaza

Paul Craig Roberts
Obama in Cairo

Jennifer Loewenstein
How Much Really Separates Obama and Netanyahu?

Franklin Lamb
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Mike Whitney
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Andy Worthington
Death at Guantánamo

Missy Comley Beattie
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Stanley Heller
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John V. Whitbeck
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Greg Moses
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The Meaning of Yasser Arafat

David Yearsley
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Tim Stelloh
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Belén Fernández
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David Ker Thomson
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Karyn Strickler
Clean Coal: a Dirty Joke

Christopher Brauchli
Judicial Amnesia and the Federalist Society

Charles R. Larson
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June 30, 2009

The Truth About Bugs, Fires and Ecosystems

Beetle Hysteria ... Again

By GEORGE WUERTHNER

Beetle hysteria raised its head again, and I am not talking about the Fab four.  A prominent article in the New York Times titled “Tiny Beetle Adds New Dynamic to Forest Fire Control Efforts” quotes many foresters and others who suggest that beetle-kill trees across the West will create larger wildfires and by implications are “destroying” our forests.   

For instance, Montana’s State Forester Bob Harrington said as much at conference recently, as in the article.  While it may seem “intuitively obvious” that dead trees will lead to more fires, there is little scientific evidence to support the contention that beetle-killed trees substantially increases risk of large blazes. In fact, there is evidence to suggest otherwise.

At the heart of this and many other media reports are flawed assumptions about fires, what constitutes a healthy forest, and the options available to humans in face of natural processes that are inconvenient and get in the way of our designs.

For instance, one study in Alaska’s Kenai Peninsula looked at 2,500 years of bark beetle events, and wildfires and could find little correlation between the two. Similarly a study that looked at burn patterns of the 1988 Yellowstone fires found little evidence that recent bark beetle outbreaks had substantially increased fire spread in the Park (though an earlier beetle event did seem to increase fire spread slightly—more on why below).

In fact dead trees don’t automatically lead to more fires since climate/weather events, not fuels, largely controls large blazes. If the climate/weather isn’t conducive for fire spread, it doesn’t much matter how much dead wood you have piled up, you won’t get a large fire. As an extreme example, think of all the dead wood lying around on the ground in old growth west coast rainforests—lots of fuel, but few fires—because it’s too wet to burn. But it’s even more complex than that generalization.

First to understand why beetle-killed trees don’t necessarily lead to large fires, one needs to know more about how bark beetles affect forests.  Younger trees are not killed by beetles, and remain in the forest to fill the void created by the death of more mature trees. In effect bark beetles “thin” the forest but typically there are still lots of trees growing on the site--some large mature trees and a lot of smaller ones.  So the “forest” is not destroyed, nor does it “disappear” as may be implied from the hysterical statements coming from logging proponents, and others connected to the timber industry.

Furthermore, mature trees are not hapless victims. When a bark beetle attempts to bore into the tree, the tree uses its sap to push out the beetle and any eggs. A strong healthy tree with sufficient resources can often flush beetles out. It is not unlike the ability of a healthy moose to deter a wolf attack. Indeed, wolves are seldom successful in taking down a healthy mature moose unless circumstances give them the upper hand. Trees under stress from drought or damage from other causes are more vulnerable, just as a moose suffering from lower nutrient as a result of drought is more likely to be killed by wolves. So while beetles do kill trees, they aren’t able to “destroy the forest”—many smaller trees and even a significant number of mature trees survive.

Since bark beetles tend to focus on larger trees and not all trees are killed, this has important implications for fire risk.  Fine fuels—not large snags—are the prime ingredient for sustained fire. So what you have after a major beetle outbreak is a lot of standing upright big boles. You can’t get big logs to burn unless you have fine fuels beneath them to sustain the heating process.  That is why one uses small kindling and other fine fuels to start a campfire and must continuously feed small wood under the bigger logs to keep the fire going. Assuming you have the right conditions for a fire in the first place, a forest fire will spread more rapidly and with greater intensity in a totally green forest than a sea of dead boles, in part because the green forest possesses a lot more fine fuels in the form of needles and small branches.

Furthermore, tree flammability is not constant, but varies over time. It is highest immediately after beetles kill the tree, and brown needles and small branches remain on the tree. However, after a winter or two, the needles and smaller branches are knocked from the trees and their flammability goes way down since the remaining upright snags are actually quite resistant to flames.  It is generally only after understory trees released by the death of more mature canopy trees grow taller and provide a ladder into the canopy that fire hazard again increases.  These ladder fuels, along with any dead snags that have toppled to the ground, can potentially lead to greater fire hazard. But this process takes decades. Thus the immediate threat from bug killed trees is not likely to be great, especially if the climate/weather is wet.

Of course, if you have the right conditions for a big burn, the dead trees will burn, but typically not at any greater potential than a forest of green trees. Green trees, after all, with their flammable resins in needles and branches are highly combustible under extreme drought and high temperatures. Indeed, there is some evidence to suggest that green trees will burn even hotter and with greater intensity than say a dead snag.

Furthermore, potential is not the same as absolute. Most lodgepole pine, the primary species attacked by beetles in the Rockies, tend to be found at moister, higher elevations which simply do not dry out enough to burn well in most years. That is why lodgepole pine forests typically have long rotations between burns—on the order of hundreds of years in some places. Thus the presence of dead trees does not necessarily lead to fires. The probability that any particular bug-killed stand will be ignited by lightning or humans during the few years out of a hundred when they are dry enough to carry a large blaze is actually quite small.  So even if there is a lot of dead wood on the ground, that doesn’t mean you will have large blazes. Probability is important—and the probability is low.

Even more importantly the news media often neglects to educate the public about the ecological value of bark beetles as “ecosystem engineers”. Beetles are essential to maintaining biodiversity in our forests.  One study of bark beetles in Europe found that bark beetles created habitat for a wide array of other insect species, including many pollinating bees and warps, whose numbers increased in the forest gaps created by bark beetles.

But it’s not just insects that increase as a consequence of beetle kill. Dead trees created by bark beetles are used by cavity nesting birds, bats, and many small mammals. When dead trees fall to the ground, they provide hiding cover for insects, mammals, and amphibians from salamanders to frogs. Dead trees that fall into streams create aquatic habitat for fish.  Of course dead trees are utilized by fungi, lichens, and as a source of new nutrients for new plant growth. Thus if we grant that an increase in biodiversity is important to the long term forest health, beetles are actually a sign of “forest health”.

Even the way a tree dies radically affects its future decay trajectory. A tree killed by wildfire, for instance, decays much slower than one killed by beetles. Beetles by penetrating the outer bark of a tree permit other organisms including other insects as well as fungi to enter the tree and begin the decay process. While fire killed trees, charred black by fire, are more resistant to decay.  Bark beetles in addition to wildfire, wind throw and other natural events all contribute to different future forest dynamics.  

The current spate of beetle outbreaks and dead trees in and of themselves is nothing to be alarmed about. However, there is another reason to be concerned. The current beetle “outbreak” may be harbinger of climate change that may radically alter future forest ecosystems. Warmer temperatures due to climate change may be responsible for the expansion of bark beetle outbreaks in the West (though there is historic evidence to suggest that past outbreaks affected as many or even more acres than what we see today). Cold winter temperatures, for instance, tend to kill beetles and keep their numbers under control. Warmer temperatures not only increase the survivorship of beetles, but permit beetles to attack trees at higher elevation than in the past, and this has led to the death of many whitebark pine which, though occasionally attacked by beetles, usually are not affected to any great degree by bark beetles due to the whitebark pine’s preference for high cold elevations.

Yes bark beetles are killing many trees, but that necessarily won’t lead to large fires. Even if it did, there’s not much humans can do directly to forests to influence fire risk, except to begin reducing human causes of climatic change. Logging the forest will not significantly influence fire spread, and removal of dead trees has many negative impacts on forest ecosystems. Logging itself creates many additional environmental impacts such as greater sedimentation of streams, invasion of weeds, and so on that are far too often ignored by proponents of active forest management.

Nor can humans have much influence on the spread of beetles. To effectively reduce forest susceptibility to bark beetles, 50-80% of the trees have to be removed. Since that is typically as much, or in many cases even more trees than typically are killed by bark beetles, such let’s cut the trees to save them seems unwarranted. Plus there is no guarantee that the particular stand of trees that are treated with thinning are the same ones that will be attacked by beetles. 

As far as community protection is concerned, it is far more cost effective to reduce flammability of homes than to attempt to reduce the flammability of forests. Focus fire risk reduction in and near homes, not out in the backcountry.

The important take home message is that we need a paradigm shift in our response to bark beetles. We cannot significantly influence large scale ecological processes like bark beetles and wildfire. Rather we must adapt ourselves and communities to learn to live with them.

Secondly, beetles are not destroying our forests, rather are creating new ecological opportunities, increasing biodiversity, and creating greater ecosystem health. 

George Wuerthner is editor of Wildfire: a Century of Failed Forest Policy.  

 

 

 

 

 

 

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