Timber Harvesting (3/10/21) Flashcards
Sever a standing tree from the stump.
Felling
Describes the work done to cut a tree into segments.
Bucking
Describes the process of removing all limbs from the main bole.
Delimbing
A form of bucking except the only cut severs the top.
Topping
Failure to buck logs according to a set product quality standards results in ______.
Downgrade of Lumber
The most essential function to be performed in the logging business.
Planning
What is the first cut made in felling a tree with a chainsaw?
Undercut
What is the second cut made in felling a tree with a chainsaw?
Backcut
Humbolt and Conventional are two types of ______.
Undercut
What is the term used for the extra six to nine inches on a shortlog?
Trim Allowance
Refers to the degree and direction that a tree slants from perpendicular.
Lean
Why logs should be hauled within the first two weeks of felling during hot weather.
- Blue Stain Fungus
2. Water Weight
Which is not an element of the cutting operation?
Skidding
Condition where a felled tree is lying over some solid object or one end or the other is hanging unsupported.
Bottom Bind
What do you call predetermining the placement of a tree when it hits the ground?
Directional Felling
The position on the ground where a tree will fall when severed from the stump.
Lay
A condition found in a area affected by a constant prevailing wind.
Wind Lean
The skidding of a group of logs or trees to the landing is called a turn or a ________.
Drag
What’s an undrained road pushed out by a bulldozer or a road this is simply a brush out trail?
Woods Road
A road that is constructed and maintained for traffic for many years.
Permanent Road
A road that is surfaced of rock, gravel, or asphalt that can be used during winter and summer.
All Weather Road
What do you call it when you stack logs on a landing or a roadside for future loading?
Cold Decking
A person who manages or wisely uses natural resources.
Conservationist
A machine that uses chains to delimb trees.
Flair Delimber
A delimber usually attached to two trees.
Limbing Gate
A machine used for topping.
Slasher Saw
Used to offset the lean of a tree when felling with a chainsaw.
Wedge
If the volume per stem is low the logging cost____.
Increases
Bunching the trees with the butts facing the landing makes who’s job easier?
Skidder Operator
Probably the most critical variable in figuring logging costs from stump to mill.
Hauling
A ratio of height and age and is a measure of land’s productive capacity for a given tree’s species.
Site Index
In harvesting the first steps in harvesting trees for the market involves one or more of the 5 cutting components.
- Felling
- Measuring
- Bucking
- Limbing
- Topping
Generally speaking, logging operations in the south have replaced chainsaws with mechanized machines for different job functions. Name 2.
- Cutting
2. Delimbing
List two specific advantages that lower stumps have over high stumps.
- Easier on equipment.
2. Less breaks when felling trees.
On a logging job, the loader operator has one of the most important jobs. He can cause you to make your profit or lose your money. Explain how.
Merchandising. He must cut logs to the correct lengths, and must load the trucks properly.
Name three different pieces of equipment used to measure a tree so it can be cut into segments.
Logger’s Tape, Measuring Deck, Stick
List two advantages a feller buncher on tracks has versus one on tires.
- Less compaction on ground
2. Can traverse on stepper terrain.
List 3 advantages that mechanized cutting has over manual cutting.
- Safer
- Lower insurance cost
- Higher Production
One disadvantage of mechanized cutting over manual cutting.
Higher initial cost
A logger is clear cutting a mature natural stand of timber near a creek in Kemper County Mississippi. List 6 possible product sorts that can realistically be made at the loading deck on this logging job.
- Pine Pulp Wood
- Pine Saw Timber
- Chip-n-Saw
- Hardwood Pulp Wood
- Hardwood Saw Timber
- Poles
List the nine logging variables discussed in class that affect logging operations from stump to truck.
- Volume per Stem
- Volume per Acre
- Skidding Distance
- Limbiness
- Defect
- Underbrush
- Topography
- Soils
- Weather
