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Lessons Learned On the Second Entry in a Cariboo Mule Deer Winter RangeAlex Fraser Research ForestKen Day, Manager

SISCO Winter Workshop, February 10, 2015 | Kamloops, BC

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EP903 – Coordination of Timber and Mule Deer Management Acknowledgements

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Three Cutblocks

As established 1984 Paired blocks with

controls Remeasured cruise

plots harvest and control

Re-established track transects and re-measured pre-harvest

38.4 haIDFxm

17.9 haIDFdk3

38.2 haIDFxm

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Mule Deer Winter Range Cariboo Style History Guidance GAR Order

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Basic Tenets

Snow Interception Food Security and thermal

cover High, Medium and

Low Habitat

Continuous supply of Douglas-fir

Proximity to spring range

Slope, aspect, topography

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Silvicultural Approach

Management Objective: Continuous supply of

large, wide crowned Douglas-fir

Strategy Clumpy Single Tree

Selection BDq regulation Regeneration gaps up

to 1 tree length in diameter

Retain clumpy structure

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Target and Prescribed Stand Structure

15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 1000

50

100

150

200

250

Fdi

LTT

PRSC

Diameter class (cm)

SP

H

CB 222Existing, Long Term Target (LTT) and

Prescribed Stand Structure (PRSC)

Dc = deciduous

Marking Rule: Cut 1/3

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Mark to Cut

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Map Existing and Planned Skid Trails Area of trails is

limited in GAR Order Also map

Wildlife and Danger Trees,

No-work zones, Non-merch areas

Digital map to logger

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Logging Contractor Nilsson Select Contracting Williams Lake Harvester and Forwarder

Cut to length at the stump Marking was critical to making his time efficient

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End Result Compared to Plan

15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 1000

50

100

150

200

250

Initial Population

Long Term Target

Prescribed Stand

Final Stand

Diameter class (cm)

SP

H

Inital, Long Term Target (LTT), Prescribed (PRSC)and Final Stand Structure from Cruise Data

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End Result Compared to Plan

15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 1000.0

1.0

2.0

3.0

4.0

5.0

6.0

Initial Population

Long Term Target

Prescribed Stand

Final Stand

Diameter class (cm)

BA

Inital, Long Term Target (LTT), Prescribed (PRSC)and Final Stand Structure from Cruise Data

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Value and Costs

L50032-222 L50032-229 L50032-2320

200

400

600

800

1000

1200

1400

1600

1800

Pulp

Veneer

SawVo

lum

e (m

3)L50032-222 L50032-229 L50032-232

$-

$10

$20

$30

$40

$50

$60

$70 Avg Value $/m3

Mark+Production $/m3

$/m

3

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Costs and Productivity

Harvesting42%

Forwarding19%Fall & Skid OS

2%

Loading6%

Trucking17%

Stumpage0%

Brokerage3% Marking

11%

Harvesti

ng

Forw

arding

Fall &

Skid O

S

Load

ing

Trucki

ng

Stumpag

e

Broke

rage

Marking

$0.00

$5.00

$10.00

$15.00

$20.00

$25.00

$30.00

CB 222

CB 229

CB 232

Cost

($/m

3)

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Managing Costs and Productivity

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Summary

High Habitat MDWR By regulation the harvest

opportunity is limited Much of the growing stock is

poorer than sawlog High accounts for 1/3 of the

MDWR in the Cariboo IDF On this trial we broke even

$0.25/m3 stumpage Presented costs do not include

cruising, layout, planning & supervision

Harvester/Forwarder is the right method

Though marking is expensive, it needs to be done Less expensive to make decisions in

your boots, than in the cab of a machine

Pulpwood market Every pulp log we made cost us

money But those trees need to be cut to

release the growing space These treatments will improve G&Y

and contribute to long term habitat objectives

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Questions?

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Costs and Productivity

Productivity

Productivity (m3/PMH) Cost ($/m3) Harvester 12.2 17.47 Forwarder 42.4 5.03 Tree Marking * 60.7 1.01 Total 23.51 * Assumed labour rate of 2 x $30/Hour.

Peter commented that stand/harvesting conditions were as good as it gets so calculated costs would be on the low side.

Ken Byrne, Preliminary Results FPInnovations 2014• Time and motion study for one shift• Elements will be applied to shift-level data and actual

production at the block level