Tree climbing
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Types of rock climbing |
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Tree climbing is a recreational or functional activity consisting of ascending and moving around in the crowns of trees.
A rope, helmet, and harness can be used to increase the safety of the climber. Other equipment can also be used, depending on the experience and skill of the tree climber. Some tree climbers take special hammocks called "Treeboats" and Portaledges with them into canopies where they can have a picnic or sleep.
Some tree climbers employ a mixture of techniques and gear derived from rock climbing and caving. These techniques are also used to climb trees for other purposes: tree care (arborists), animal rescue, research, and activism.
History
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Professional arborists have been climbing trees since the late 19th century in the UK and North America.[1] Climbing a tree every day for a year or longer has become a challenge taken up by several artists; Todd Smith from Louisville, KY, USA, climbed a tree every day for 3 years. Henrik G Dahle invited people to climb with him and interviewed people in the canopy of trees, including former competitive tree climber Leo Murray of Monkeydo, who now runs tree top adventures. Other artists include Christopher B Gray from Connecticut, USA, Kamila Wajda from Przybowka, Poland and Cecylia Malik from Kraków, Poland who has published a book about her year climbing trees.
Techniques
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Many different techniques (free climbing, self-belayed climbing with a doubled-rope technique, single-rope technique, and lead climbing) are used to climb trees depending on the climber's purpose for the climb and personal preference. Free climbing is performed without protective gear, and as such is the oldest method of climbing.
Technologically aided tree climbing is performed by lapping a long rope over a limb and ascending the fallen end using a friction knot tied from initial tie's excess tail. There are a large number of factors that can affect the difficulty of a climb; the regularity of branching, the brittleness of dead wood, the texture of the bark, the width of the trunk and branches, the height and location of the tree, and the weather can all contribute to challenges faced while climbing.
Getting to the first branch of a tree is typically the most difficult part of the climb due to the potentially large distance between the first limb and the ground. Both aid climbing and free climbing can be used, but the throwline technique is most typical among hobbyists. This is done remotely from the ground utilizing a throw weight and line. The weight is swung from its attached line as a pendulum, with the line either held between two fingers of one hand at hip level, or in a basket configuration achieved by running a bight of the line back through the ring that is held in the other hand, with the weight being swung between the legs in a wide stance. It is then launched toward the targeted branch. Once over the branch, the weight must return to the ground, and may have to be manipulated so as to isolate a single anchor point (doubled rope technique), or for SRT into an optimal redirect. The throw bag is then removed; the climbing line is tied on, and pulled through the canopy and back down again, at which point the climbing system may be installed.
Doubled-rope technique
The doubled-rope technique (DRT or DdRT) is used to self belay the climber in such a way that the rope can be retrieved without going back up the tree. One end of the rope is fastened to the climber's saddle (harness), from there the rope passes around the tree and back to a
Single-rope technique
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The
Lead climbing
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See also
- Climbing
- Caving
- Tree house
- Tree sitting
- Aerial Adventure Park
References
- ^ Memory Lane - A History of ISA
- ^ Kilgore, C. M.; et al. (2008). "Tree Canopy Research and Student Experiences Using the Doubled Rope Climbing Method" (PDF). Journal of the Botanical Research Institute of Texas. 2 (2). Archived from the original (PDF) on 2013-09-25.