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  2. Tree spiking - Wikipedia

    en.wikipedia.org/wiki/Tree_spiking

    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. Contact with the spike often damages saw blades, which can result in injuries, or ...

  3. Compartmentalization of decay in trees - Wikipedia

    en.wikipedia.org/wiki/Compartmentalization_of...

    This wall is the weakest. Wall 2. The second wall is formed by the thick-walled, lignin-rich cells of the latewood growth ring interior and exterior to the wound, thus slowing the radial spread of decay. This wall is the second weakest, and is continuous except where intersected by ray cells (see next section). Wall 3. The third wall is formed ...

  4. Arborist - Wikipedia

    en.wikipedia.org/wiki/Arborist

    An arborist using a chainsaw to cut a eucalyptus tree in a public park Two arborists climbing and dismantling a Norway Maple in Ontario, Canada. An arborist, or (less commonly) arboriculturist, is a professional in the practice of arboriculture, which is the cultivation, management, and study of individual trees, shrubs, vines, and other perennial woody plants in dendrology and horticulture.

  5. Dave Evans Bicentennial Tree - Wikipedia

    en.wikipedia.org/wiki/Dave_Evans_Bicentennial_Tree

    The lookout platform was reached by climbing 165 metal spikes hammered into the trunk. [2] The Bicentennial Tree is one of three lookout trees, along with the Diamond and Gloucester Trees. Diamond Tree was closed in 2019. The Gloucester Tree and Bicentennial trees were also closed in 2023, citing a need for increased safety measures.

  6. Charred by fire, these grand California redwoods rise again ...

    www.aol.com/news/charred-fire-grand-california...

    Today, that forest is still dominated by the same trees, some of them more than 300 feet tall and 1,000 years old. But on Aug. 16, 2020, lightning strikes touched off the CZU Complex fire, ...

  7. Controlled burn - Wikipedia

    en.wikipedia.org/wiki/Controlled_burn

    A controlled burn in Niagara Falls, Ontario where the Burn Boss is watching a back fire (lit first and in the background) move towards a head fire (in the foreground) Back burning or a back fire is the term given to the process of lighting vegetation in such a way that it has to burn against the prevailing wind.

  8. Piton - Wikipedia

    en.wikipedia.org/wiki/Piton

    1960s-era pitons, including: knifeblades, lost arrows, bugaboos, ring angles, and bongs. A piton (/ ˈ p iː t ɒ n /; also called pin or peg) in big wall climbing and in aid climbing is a metal spike (usually steel) that is driven into a crack or seam in the climbing surface using a climbing hammer, and which acts as an anchor for protecting the climber from falling or to assist progress in ...

  9. Wood fuel - Wikipedia

    en.wikipedia.org/wiki/Wood_fuel

    The discovery of how to make fire for the purpose of burning wood is regarded as one of humanity's most important advances. The use of wood as a fuel source for heating is much older than civilization and is assumed to have been used by Neanderthals. Today, burning of wood is the largest use of energy derived from a solid fuel biomass.

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