Tree spiking

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Tree spiking involves hammering a metal rod, nail, or other material into a tree trunk, either inserting it at the base of the trunk where a logger might be expected to cut into the tree, or higher up where it would affect the sawmill later processing the wood. It is used to prevent logging by risking damage to saws, in the forest or at the mill, if the tree is cut. The spike reduces the commercial value of the wood by causing discoloration, thereby reducing the economic viability of logging in the long term, without threatening the life of the tree.

It is believed that tree spiking originated in timber logging labor disputes in the Pacific Northwest of the United States in the late 19th century[citation needed]. It came to prominence as a contentious tactic within unconventional environmentalist circles during the 1980s, after it was advocated by Earth First! co-founder Dave Foreman in his book Ecodefense. In the book, he discusses how to do it and how to avoid risks to the activist and the logger.

In 1987, California mill worker George Alexander was seriously injured when the bandsaw he was operating was shattered by either an old nail or a tree spike. This led the leader of Earth First! to denounce tree spiking.[1]

Other activists[citation needed] were led to either reject this form of sabotage entirely, or take some precautions, such as putting warning signs in the area where the trees are being spiked. Tree spiking is condemned by opponents of eco-terrorism who claim it is potentially dangerous to loggers or mill-workers,[2] although only this one injury resulting from tree spiking has been reported.[1]

New Zealand[edit]

Beech trees that were being logged in 1998 in the Tuatapere area were spiked. Police were unable to trace those who were responsible.[3]

Pat O'Dea, while he was the mayor for the Buller District, suggested in 2000 that Native Forest Action (NFA) had spiked trees during a direct action campaign against native forest logging on the West Coast.[4] This was denied by NFA spokesperson Dean Bagient-Mercer.[5] In 1998 Kevin Smith from Forest and Bird had said that tree spiking was proposed by some individuals involved in the NFA campaign.[3]

United States[edit]

Following the 1987 injury of California mill worker George Alexander, tree spiking was declared a federal felony in the United States in 1988. (18 U.S. Code 1864).

In 1990, Earth First! leader Judi Bari led activists in Northern California and Southern Oregon to renounce tree-spiking as a tactic on the eve of Redwood Summer, a 1990 campaign of nonviolent protests against logging of the redwood forest.[6]

In fiction[edit]

Derek Hansen in his 1998 novel Blockade has the protagonist, a logging company operator, ordering the spiking of trees in order to discredit the anti-logging activists.

Severed: Forest of the Dead: Anti-logging activists sabotage a tree by spiking it, breaking the blade on a logger’s chainsaw and cutting him. The genetically enhanced tree sap mixes with the logger’s blood, starting a chain reaction of zombie mayhem.

"Darkness Falls" (The X-Files): Two environmentalist "monkey wrenchers" are accused of spiking trees in a Washington state forest.

The Anarchist Cookbook: In this film the antagonist Johnny Black plans on spiking redwood trees in an attempt to prevent logging.

The comic series Concrete, by Paul Chadwick, dedicated a multi-part story called "Think Like a Mountain" to the subject of tree spiking.

A group of radical environmentalists engage in tree-spiking in the novel Hayduke Lives! by Edward Abbey.

In the young adult novel "Spirit of the Rainforest" by Eric Wilson, young protagonist Tom Austen takes part in a protest against logging a rainforest but the protest is broken when a more radical character spikes a tree, angering non violent protesters.

In the 1991 L. A. Law episode "Do the Spike Thing", a mill worker sues a logging company and a radical environmentalist group when he is injured by a saw blade that breaks upon striking a spike.

See also[edit]


  1. ^ a b Rowell, Andrew (1996). Green Backlash. Routledge. p. 153. ISBN 9780415128285. 
  2. ^ Ecoterrorism: The Dangerous Fringe of the Environmental Movement
  3. ^ a b Nixon, Tina (1998-01-06). "Spikes put workers' lives at risk". The Southland Times. 
  4. ^ Madgwick, Paul (2000-04-14). "Public backlash around NZ feared". The Press. 
  5. ^ Bagient-Mercer, Dean (2000-04-27). "West Coast forests". Letter to the Editor. The Press. 
  6. ^ "Tree-spiking renunciation & Mississippi summer in the California redwoods"

External links[edit]