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**Timber Management**

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# Timber Management

Terms, definitions, and concepts related to timber production and management.### Land Terms

#### Acre popular

**square measure**) used primarily in the United States. One (1)

**acre**is equal to 43,560 square

**feet**, 4,046.86 square

**meters**, or 0.4047

**hectares**.

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#### Acre equivalents and conversions popular

**43,560 square feet**.

One (1) acre equals

**0.4047 hectares**.

One (1) acre equals

**10 square chains**.

One (1) acre equals

**160 square rods**.

One (1) acre equals

**160 square poles**.

One (1) acre equals

**160 square perches**.

One (1) acre equals

**4,840 square yards**.

One (1) acre equals

**4,046.856 square meters**.

One (1) acre equals

**0.0016 square miles**.

One (1) acre equals

**0.0016 sections**.

One (1) acre equals

**0.004 square kilometers**.

One (1) acre equals

**0.0000434 townships**.

One (1) acre equals

**1.183676 arpents**.

One (1) acre equals

**4.0 roods**.

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#### Aspect popular

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#### Basal area (BA)

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#### Bd ft (Bd. ft.)

A board foot is a lumber measurement equal to a board or plank of wood 1 inch thick and 12 inches on each side. The formula for calculating board feet of sawed lumber is

*bd ft = thickness(in) x width(in) x length(ft)/12*. For example, a board that is 1 inch thick, 12 inches wide, and 10 feet long contains 10 board feet of lumber(1x12x10/12=10).

Also known as "Board feet of lumber".

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#### Best management practices (BMP's)

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#### Blackjack pine

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#### Board feet (Board foot, Board feet of lumber) popular

A board foot is a lumber measurement equal to a board or plank of wood 1 inch thick and 12 inches on each side. The formula for calculating board feet of sawed lumber is

*bd ft = thickness(in) x width(in) x length(ft)/12*. For example, a board that is 1 inch thick, 12 inches wide, and 10 feet long contains 10 board feet of lumber(1x12x10/12=10).

Also known as "Board feet of lumber".

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#### Board feet log scale (Board-feet log scale) popular

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#### Board foot equivalents popular

**1.**A

**board foot**is a

**lumber**measurement equal to a board or plank of wood 1 inch thick and 12 inches on each side. The formula for calculating board feet of sawed lumber is

*bd ft = thickness(in) x width(in) x length(ft)/12*.

**2.**One (1) board foot equals 1 inch x 12 inches x 12 inches. One (1) board foot equals 1 inch (thick) x 12 inches (width) x 1 foot (length). One (1) board foot equals 144 cubic inches.

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#### Bole popular

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#### Centimeter (cm) popular

**meters**. One (1) centimeter (cm) is equal to 0.3937

**inches (in)**. For more information, see

**Centimeter equivalents and conversions**or the various

**Converting centimeters to ...**entries.

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#### Centimeter (cm) equivalents and conversions

**centimeter (cm)**is equal to 0.3937

**inches (in)**.

One (1) centimeter is equal to 0.01

**meters (m)**.

One (1) centimeter is equal to 0.00001

**kilometers (km)**.

One (1) centimeter is equal to 0.0328

**feet**.

One (1) centimeter is equal to 0.0497

**links**.

One (1) centimeter is equal to 0.0109

**yards**.

One (1) centimeter is equal to 0.002

**rods**,

**poles**, or

**perches**.

One (1) centimeter is equal to 0.0005

**chains**.

One (1) centimeter is equal to 0.00005

**furlongs**.

One (1) centimeter is equal to 0.000006

**miles**.

See the various

**Converting centimeters to...**entries for conversion examples.

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#### Chain - engineer's or Ramsden's popular

**surveys**than a

**Gunter's**or

**surveyor's chain**, the engineer's or Ramsden's chain is 100

**feet**in length, with 100 1-foot links. The terms "engineer's chain" and "Ramsden's chain" apply primarily to the measuring utensil itself and not to any particular unit of length.

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#### Chain - Gunter's or surveyor's popular

**survey**term that is equivalent to 66 linear

**feet**. Often referred to as simply "chain", this term is more formally known as the

**surveyor's**or

**Gunter's chain**. A chain is broken into 100 equal parts, or

**links**. One (1)

**mile**is equal to 80 chains. A one (1) mile square piece of land (one

**section**or 640

**acres**) is 80 chains on each side. Although an

**engineer's**or

**Ramsden's chain**is also used to measure length in surveys, the generic term "chain" when used in reference to land measurements refers to the unit of length (66 feet) represented by the Gunter's or surveyor's chain. For more chain conversions, equivalents, and examples, see

**Chain equivalents and conversions**or the various

**Converting chains to...**examples.

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#### Chain equivalents and conversions popular

**chain**is broken into 100 equal parts, or

**links**. A one (1) mile square piece of land (one (1)

**section**or 640

**acres**) is 80 chains on each side.

One (1) chain is equal to 66

**feet**.

One (1) chain is equal to four (4)

**rods**,

**poles**, or

**perches**.

One (1) chain is equal to 100

**links**.

One (1) chain is equal to 22

**yards**.

One (1) chain is equal to 20.12

**meters**.

One (1) chain is equal to 0.0125

**miles**.

One (1) chain is equal to 0.0201

**kilometers (km)**.

One (1) chain is equal to 0.1

**furlongs**.

One (1) chain is equal to 792

**inches**.

One (1) chain is equal to 2,011.684

**centimeters (cm)**.

See the various

**Converting chains to...**entries for conversion examples.

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#### Coarse woody debris (CWD)

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#### Commercial value

**1.**Usefuleness or desirability as a business, commodity, or investment.

**2.**A quality or characteristic of an investment, property, goods, or services such that it can be sold or traded at a profit.

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#### Diameter at breast height (dbh)

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#### Diversity popular

**1.**Variation in the physical characteristics of

**ecosystems**across a landscape caused by variation in soil, slope,

**aspect**, elevation, climate, and geology, and the accompanying variation in

**biotic communities**. Also known as

**ecological**or

**biological diversity**.

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#### Feet (ft)

**foot (ft)**. A foot is a unit of length equal to 12

**inches**, taken from the average length of the human foot. One (1) foot is equal to 0.3048

**meters**. See also

**Foot (feet) equivalents and conversions**and the various

**Converting feet to...**entries.

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#### Fire regime

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#### Foot (feet) equivalents and conversions

**foot**is equal to 12

**inches**.

One (1) foot is equal to 0.3048

**meters**.

One (1) foot is equal to 30.48

**centimeters**.

One (1) foot is equal to 0.0152

**chains**.

One (1) foot is equal to 0.0015

**furlongs**.

One (1) foot is equal to 0.0003

**kilometers**.

One (1) foot is equal to 1.5152

**links**.

One (1) foot is equal to 0.00019

**miles**.

One (1) foot is equal to 0.0606

**rods**,

**poles**, or

**perches**.

One (1) foot is equal to 0.3333

**yards**.

See the various

**Converting feet to...**entries for conversion examples.

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#### Forest Service

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#### Formula for board feet of lumber

*bd ft = thickness(in) x width(in) x length(ft)/12*. For example, a board that is 1 inch thick, 12 inches wide, and 10 feet long contains 10 board feet of lumber(1x12x10/12=10).

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