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Cover in Percent. Forestry Clipboard Tables. Procedure – Forest Stand Stocking and Site Assessment Compute average spacing and diameter-at-breast-height using zig-zag, fixed or variable plots for stand layers. Determine desired “D+” spacing and desired spacing for each stand layer.

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Cover in percent

Cover in

Percent

Forestry Clipboard Tables

Procedure – Forest Stand Stocking and Site Assessment

  • Compute average spacing and diameter-at-breast-height using zig-zag, fixed or variable plots for stand layers.

  • Determine desired “D+” spacing and desired spacing for each stand layer.

  • Continue and complete an environmental evaluation of all benchmark conditions.

  • Discuss management options and conservation treatment alternatives:

    • Forest stand enhancement – growth, thinning, harvest-reforestation, pests, aesthetics, wildlife, grazing, recreation

    • Marketing -- forest product types , mills, recreational and other opportunities

    • Access and erosion control -- access roads, trails and landings, cross-drain spacing , critical area planting

    • Wildfire risk reduction -- firebreaks, fuel breaks, forest slash treatment, integration of access roads and trails

  • Return to plots and mark/flag “leave” trees to demonstrate desired spacing.

  • Determine gross tree volumes to be removed, need for tree planting, pest management strategies, and other treatments indicated by the environmental evaluation. Initiate a conservation plan, contact the state forestry agency, and advise client on using consultants.

1

2

3

4

5

6

7

8

9

Common Forest Stand Layers or Strata

1

Main Stand

Secondary Stand

Secondary Stand

Secondary

Stand

Main Stand

Main

Stand

Understory

Understory

3

2

4

5

6

NRCS-21Nov2006


Cover in percent

10

7

20

Basal Area Factor

at 24” reach from eye

150

Tree

Height

Scale

(read direct at 100 feet horizontal distance from tree holding scale 6” from eye)

140

130

120

110

100

90

80

70

8

9

60

50

40

30

20

10

Tree

base

5”

6”

1” (tenths)

2”

3”

4”

NRCS-21Nov2006


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