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Topic: Cut-to-length logging

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Harvester (forestry) - Wikipedia, the free encyclopedia Length measurement also can be used for automated cutting of the tree into predefined lengths. a chain saw to cut the tree at its base, and also cut it to length. The principle aimed for in mechanised logging is "no feet on the forest floor", and the harvester and forwarder allow this to be achieved. en.wikipedia.org /wiki/harvester_(forestry)

Cut-to-length logging - Wikipedia, the free encyclopedia forestry harvesting where trees are delimbed and cut to length directly at the stump area. possibility to have small area clear cuts with good economy. Cleaner wood since the logs are not skidded on the ground to the landing. en.wikipedia.org /wiki/Cut-to-length_logging

Logging Logging is a process of harvesting trees, sawing them into appropriate lengths (bucking), and transporting them (skidding) to a sawmill. Trunks are cut to the needy length already in the forest. In the past people used axe and handsaw for tree harvesting and transported logs by horse or by floating. www.efi.fi /fine/kidscorner/news/logging.html

Conversion Factors Among the key challenges related to logging near streams are habitat improvement, integrated resource and operations planning, the development of site specific and prioritized streamside management practices, and evaluations of logging feasibility and environmental trade-offs. Logging operations may be removing small trees in the understory while also removing some large overstory trees. Skyline costs were 1.5 to 1.66 times those for tractor logging. www.fs.fed.us /r6/nr/fp/SALHIW2004/Body2002.htm

Definition of index.php?search=cut&limit=20&offset=80 The aim with a facetted cut is to produce an article that sparkles with inter... the weight of the rough diamond and to produce a cut which is both attractive and highly valued by the... 5:...]]s pared and each cut in two, a large [[carrot]] cut into small pieces, and young [[lettuce]]. www.wordiq.com /knowledge/index.php?search=cut&limit=20&offset=80

Irrigation Large steps are cut into hillsides and supported by stone or concrete walls. A series of pipes, each with a wheel of about 1.5 m diameter permanently affixed to its midpoint and sprinklers along its length, are coupled together at one edge of a field. Center pivot irrigation is a form of overhead irrigation consisting of several segments of pipe (usually galvanized steel or aluminum) joined together and supported by trusses, mounted on wheeled towers with sprinklers positioned along its length. www.sciencedaily.com /encyclopedia/irrigation

April 2000 - Logging and Sawmilling Journal - Slocan's Cut to Length Reducing log breakage was one of the factors motivating Fletcher Challenge Canada when the then owners of the Mackenzie operation launched the cut to length initiative in 1994. Cut to length was seen as the optimum harvesting system to produce clean, sized, usable wood. Three grapple-yarding operations harvest tree length and deliver to roadside for cut to length processing. www.forestnet.com /archives/april_00/breakage.htm

ctl_ft.html A typical cut-to-length logging system could employ a one-grip harvester which fells, delimbs and bucks the trees right in the stump area, and a forwarder to carry the pulpwood and logs to roadside. There is also the general familiarity of the equipment due to historic reasons, although much of the initial development of both cut-to-length and tree-length one-grip and two-grip harvesters occurred in Northern Ontario during the 1960's and early 1970's. In this type of operation the logs can be merchandised from the stem, and the top is kept as one long pulpwood piece of 5.1 to 6 m in length. flash.lakeheadu.ca /~repulkki/ctl_ft.html

New in the Woods: While opponents to logging say that harvesting shouldn't be done in our forests, today's modern loggers and foresters understand that a variety of techniques, like thinning, smaller regeneration clear-cuts, wildlife trees and riparian buffers are just a few of the versatile techniques used to maintain healthy forest ecosystems and provide for society's needs. This new system, commonly referred to as "cut-to-length" because of its mechanical cutting of logs, presents a unique opportunity to thin individual trees from forest while minimizing impacts. The "harvester" machine severs the tree from the stump and cuts it into logs in a continuous process. www.oregonloggers.org /Newmec97.htm

Cut-to-length logging - Result for Cut-to-length logging - Meaning of Cut-to-length logging - Definition of Cut-to-length logging - Dictionary of Meaning - www.mauspfeil.net '''Cut-to-length logging (CTL)''' is a system for mechanized logging harvesting where trees are delimbed and ''cut to length'' directly at the logging area. CTL is typically a two man, two machine operation with a logging felling, delimbing and bucking trees and a logging that transports the logs from the felling to a landing area close to a road accessible by logging s. **possibility to have small area logging s with good economy. www.mauspfeil.net /Cut-to-length_logging.html

Untitled Document Cut-to-length (CTL) harvesting is a logging system that is comprised of two technologically advanced machines that work as a team: the harvester and the forwarder. The tree is pulled through the head delimbing it, cuts it to length and lays it gently in a small stack. Cutting the trees to length at the stump provides composting material for the forest and eliminates the need for large loading areas. stlawrencelumber.com /harvesting.asp

Business Directory and News : Agriculture and Forestry : Forestry : Logging Equipment Manufactures logging equipment such as skidders, feller bunchers, harvestors, and forwarders. Logging supplies, including chainsaws, axes, tire chains, and winches. Serving Vancouver Island and the British Columbia Coast with new and used wire rope, logging equipment, cable recovery and recycling. www.business-roadmap.co.uk /index.php?c=Agriculture_and_Forestry/Forestry/Logging_Equipment

Logging eTool: Forwarder This machine usually follows the processor and picks up the cut-to-length logs, places them in the bunk and then takes the logs out of the woods and piles them at the landing. A forwarder may also be used to pick up bunched trees and forward them to the landing where a machine called a delimber is used to remove the limbs, cut off the tops, and pile the logs. A Forwarder is a tracked or rubber tired machine consisting of a power plant, operator enclosure, dozer blade, articulating grapple, and a bunk to the rear. www.osha.gov /SLTC/etools/logging/mechanical/forwarder/forwarder.html

Industrial Reporting, Inc. Article - Pennsylvania Logger Makes Cut-to-length Work His cut-to-length logging operations are much easier on the land than tree-length logging, recover more wood, and can harvest smaller tracts effectively — and profitably. In his region of Pennsylvania, tree-length logging typically was done with a feller-buncher, skidders, pull-through delimbers and slashers. His old head, faced with the problem of a knot near the cutting point, would overshoot it, making close tolerances difficult or impossible. www.timberlinemag.com /articledatabase/view.asp?articleID=813

Protecting the Forest Environment (Logging for the 21st Century Series) Shortwood system – A harvesting system in which the tree is felled, delimbed, and cut into short lengths before it is hauled to the landing (usually by a forwarder). The limits of ground-based logging with skidders and forwarders have often been considered to be at 30 percent to 40 percent slope. Damage can be minimized when skidding in partial cuttings by using cable skidders, in-woods delimbing or bucking, designated skid trails, directional felling, and bumper or rub trees to protect the residual stand (Figure 15). www.extension.umn.edu /distribution/naturalresources/DD6518.html

Logging Damage Losses due to logging damage can be either direct or indirect and are linked to the harvesting system and equipment utilized. With respect to Boreal forests where clearcutting remains a dominant form of harvesting, the majority of damage done is to the advanced regeneration (defined as young trees under existing stands capable of becoming the next crop (CFS 1995)).   (Note: Many of the comments that apply to selection logging are also applicable to commercial thinning operations.)   Wounding and mortality can result from 1) direct contact between the machine(s) and residuals (roots, stems and branches), 2) impacts of falling trees on residuals and 3) through compaction and damage to the soil on trails. flash.lakeheadu.ca /~carbon/Nlgdm.htm

Logging Controlled fires, selective logging, or cut to length logging, using newly developed machines and techniques, also help to establish healthier forests without the devastating effects of clearcut logging. Even if the government were to end all commercial logging on public lands and instead focus their attention and the current logging subsidies on ecological restoration, they could continue to employ all of the current timber workers at a salary increase, as well as create additional jobs restoring and managing the forests. As long as humans have lived in forested areas, they have cut down trees for lumber and/or to clear space for agricultural purposes. www.hotchkiss.k12.co.us /hhs/English/2000/rhalladay/logging.htm

ENN: Environmental News Network [[ ENN Sustainable Economy News ]] But that balance is tipping a bit with productive new "cut to length" mechanical harvesters -- on display at the logging conference this weekend -- which can grab a tree, fell it, limb it, measure and cut it to precise lengths in less than a minute. They're watching environmentalists demand an end to old growth logging on federal land in favor of thinning projects in second-growth forests also on federal land. The magnitude of the value added also may tip the scales, Jungwirth said, when logs that were once cut as boards and worth $240 a thousand board feet become worth $1,400 a thousand board feet as flooring. www.enn.com /biz.html?id=294

Canadian Forest Industries: Has BC gone mad? [Cut-to-length logging] Just when the smart money had it that cut-to-length (CTL) logging would never make it in the BC Interior, drivers like mill demands for ready-to-saw products, multiple sorts and smaller landings, habitat concerns and others are putting these flexible harvesting systems in the local spotlight again. With CTL logging, the harvester and even forwarder operators have essentially replaced the sawmill quality control staff, making operator training crucial. If they need to forward longer logs, and the value differential is high enough to warrant it, then again rates should reflect that fact and be high enough to pay for the extra maintenance and wear & tear on the forwarder carrying the load well over its rear bogie. www.findarticles.com /p/articles/mi_qa3764/is_200405/ai_n9452488

EXPLORE: Feller-Buncher - Dictionary of Agriculture In Cut-to-length logging harvesters does the same job, but additionally delimbs the timber. Feller-buncher is a type of vehicle used in whole tree logging for cutting down trees and (optionally) accumulating them in piles suitable for skidders. www.explore-technology.com /agriculture/F/Feller%2DBuncher.html

Opti Maximizes Logging Profit A GPS system and maps of the stand marked for cutting make it possible for the operator to see on a large color screen the location of his machine, the borders of the stand marked for cutting, as well as any nature preservation areas. Ponsse Opti is an advanced harvester data system that measures trees to the nearest millimeter, predicts the taper of each trunk, calculates a mathematical model of it and divides trees into the optimum number of logs before cutting it. The logging results can be observed in either numerical or in graphic form. www.ponsseusa.com /opti_measure.htm

Timberjack - Wikipedia, the free encyclopedia Timberjack, a subsidary of John Deere since 2000, is a manufacturer of forestry machinery for both cut-to-length and whole tree logging. Originally Timberjack was a Canadian operation focusing on whole tree logging, but it was acquired by a Swedish-Finnish manufacturer that decided to use the "Timberjack" brand name. This page was last modified 18:13, 26 May 2005. en.wikipedia.org /wiki/Timberjack

Montana Logging Associates Helicopter logging is used to harvest trees in inaccessible areas where there are no roads or where other methods are not feasible. For a return to nostalgia and low impact logging, some landowners opt for horse logging. many different ways to cut and organize logs for transportation to the processing plants. www.logging.org /loggingsystems.htm

[PushBack] Modern Logging Practices Are Far Less Damaging One of the important components of this new method of logging is the cut-to-length system of logging, which uses highly-manouverable equipment—harvesters and forwarders—to handle the trees and logs with far less damage to the forest than is done by older logging methods. These images of logging equipment are used with the permission of Tigercat Industries, which is one of the leading providers of cut-to-length logging equipment. Logging smaller trees also enables a new breed of equipment to be used. www.pushback.com /environment/forests/ModernLogging.html

TimberPro rubber tire forest machines for logging His father and grandfather ran a logging camp in the Clam Lake area, and his mother was the camp cook. He had seen the dead limb before cutting the tree, but his mind was not completely on his work. At the time, crawlers and drays were used to haul logs out of the woods. www.timberpro.com /history.htm

Northern Ontario Business In investigating ways to run more efficient operations, their travels took them to logging operations in Europe where cut-to-length is a widely used method. Cut-to-length involves cutting and processing the entire tree in the bush, using highly maneuverable and lightweight equipment, such as harvesters and bunchers, to handle trees and logs with far less damage to the forest than traditional methods. The corporation runs a logging and training division which involves cutting wood for companies like Bowater, Abitibi-Consolidated and Columbia Forest Products on their timber limits. www.nob.on.ca /Forestry/headlines.asp?410id145-pn=&view=30013

Tigercat forestry equipment Tigercat logging equipment is designed to harvest wood at the lowest cost per ton. Learn more about innovative Tigercat harvesting systems and how you can improve the productivity of your logging operations. This is the most important criteria by which any equipment purchase should be judged. www.tigercat.com

Deere & Company - Open Encyclopedia Deere also owns Timberjack which manufactures forestry machinery for both whole tree and cut-to-length logging. Deere and Company ( NYSE : DE) is an American corporation based in Moline, Illinois that produces agricultural machinery including tractors, combine harvesters, balers, as well as domestic equipment such as ride-on lawn mowers, all of which are known for their distinctive green and yellow color scheme. John Deere was born in Rutland, Vermont, USA on February 7, 1804 and served a four-year blacksmith apprenticeship. www.open-encyclopedia.com /John_Deere

Long Beach Shavings The giant harvesters are capable of reaching out and delicately grasping a diseased or poorly placed tree, sawing it off, then delimbing and cutting the tree into the best combination of log lengths to provide the best quality lumber from the stem. The tree, which used to be considered an environmental danger, is now being cut, sawn into cants at the point of harvest using portable band mills, and then used to produce high-quality wood flooring and furniture lumber. The logs are stacked according to species and best use, then picked up by a forwarder, which loads them and carries them to a landing for transport to the mill. www.longbeachshavings.com /industry.html

Timberjack Media Library “The Careful Loggers” are the next generation of cut-to-length logging machines from Timberjack. The Forest Health Crisis: A Cut to Length Solution - VHS It is a journey that takes you from the horse to the walking machine covering 50 years of logging... nhpvideo.com /content/ShopSubCategory.phtml?4/0/0

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