Indicator

for.gov.bc.ca

Indicator

2007 pilot of an intensive FREP

timber evaluation protocol

Patrick Martin

February 27,

2008


Process of developing and conducting the evaluation

FRPA

Objective

Statement

7. Interpret

and Use

6. Compare

and Judge

1. Create

Working

Goal

5. Sample and

Compile

2. Identify

Critical Factors

3. Select

Indicators

4. Set

Thresholds


How much poor retained trees?

• Critical

factor

Indicator

• Sampling

• Threshold

• Assessment

– Green

flag

Number of Samples

15

12

9

6

3

0

Residual Basal Area of Poor Tree Quality

3

Basal Area (m 2 0 1 2 3 4 5 6 7 8 9 10

/ha)


How much dead or down timber?

• 0 of 20

locations in

the red

• Redundant

in clear-cut

• Evaluation

– Green

flag

Number of Samples

16

12

8

4

0

Dead or Down Volume

4

Volume Class (m 3 0 1-20 21-40 41-60 61-80 81-100

/ha)


How much non-pine harvested?

• 4 of 20

locations in

the red

• Evaluation:

– Yellow

flag

Number of Samples

12

10

8

6

4

2

0

0

Volume of Non-pine Harvested

1-80

81-160

161-240

241-320

Volume Class (m 3 /ha)

321-400

401-480

5


DISCUSSION?

6


Factor Flag Factor Flag

1) Dead or down timber 9) Species value

2) Non-pine harvested 10) Species diversity

3) High retention harvest 11) Planted tree GW

4) Timber at high risk 12) Forest health risk

5) GS occupancy by poor

trees

6) Desirable trees free to

grow

13) Stocking level

14) Regeneration delay

7) Species productivity 15) Productive area

8) Predicted future volume

7

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