fgya 2006 01 prsnttn postharveststanddevconference developmentofalternativereforestationstandards

8/14/2019 FGYA 2006 01 Prsnttn PostHarvestStandDevConference DevelopmentofAlternativeReforestationStandards

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January 31, 2006

Post-Harvest Stand Development

Conference

Development of Alternative Reforestation Standards

January 31, 2006Richard Briand, RPF

West Fraser Mills Ltd


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January 31, 2006

Overview

Who?

What?

Where? When?

Why?

How?


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January 31, 2006

Who?

6 FMA holders West Fraser (Alberta Divisions):

Blue Ridge Lumber Hinton Wood Products

Slave Lake Pulp Sundre Forest Products

Alberta Newsprint Company Sundance Forest Industries

Silviculture practitioners, growth &yield/timber supply analysts, managementplanning foresters all working together!


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January 31, 2006

Who?

Total Area: 3.5 million ha

Total Conifer AAC: 5.3 million m3

Total Deciduous AAC: 1.2 million m3 Combined represents ~28% of Albertas

approved AAC

12 forest products companies & manysmaller operators


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January 31, 2006

What?

Develop regeneration standards whichare tied to the growth and yieldprojections used in FMA specific forest

management plans


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January 31, 2006

Where?


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When?

Stage 1 (1 year duration)

Due: May 1, 2006

Stage 2 - (4 year duration) Due: May 1, 2010


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Why?

Demonstrate sustainability

Soon to be government requirement

Had concerns with some aspects of thecurrent system (i.e. FTG definition)


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How?

Establish operational link to currenttimber supply analysis yieldexpectations

Two related issues: What do the models say we need to

achieve? (work back from rotation agetargets)

What will our current treatments produce?(work forward using regen survey data)


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Base Strata

I Deciduous (D)

II Hardwood/Pine (DC)

III Hardwood/Spruce (DC)

IV White Spruce/Hardwood (CD)V Pine/Hardwood (CD)

VI Black Spruce/Hardwood (CD)

VII White Spruce pure or leading (C)

VIII Pine pure or leading (C)

IX Black Spruce pure or leading (C)


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Growth

PerformanceEstablish

-ment

Regeneration

Rotation

Time

Regeneration and Growth Phases


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Linking Volume Yield Targets

0

50

100

150

200

250

300

0 10 20 30 40 50 60 70 80

Stand age (years)

Volumeperh

a(m3)


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Average versus Minimum Targets

0

10

20

30

40

50

60

70

80

Volume per ha

Frequency

minimum

average


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Average and Minimum Yield Targets

0

50

100

150

200

250

300

0 10 20 30 40 50 60 70 80

Stand age (years)

Volumeperha(m3)

Average

Minimum

Average target:

the average yield per ha at rotationassumed for a stratum in the

FMP and AAC

Minimum target:the minimum yield per ha

assumed for any block within the stratum


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0.0

5.0

10.0

15.0

20.0

25.0

0 10 20 30 40 50 60 70 80

Stand age (years)

Topheight(m)

Linking Height


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0

500

1000

1500

2000

2500

0 10 20 30 40 50 60 70 80

Stand age (years)

Stemsperha

Linking Density


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0

10

20

30

40

50

60

70

80

90

100

0 10 20 30 40 50 60 70 80

Stand age (years)

Percentstocking(PS)

Linking Stocking


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0

500

1000

1500

2000

2500

3000

3500

4000

0 10 20 30 40 50 60 70 80

Stand age (years)

Stemsper

ha

PS 100

PS 80

PS 60

PS 40

Stocking Effect on Density

PS = percent stockingat establishment


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0

500

1000

1500

2000

2500

0 10 20 30 40 50 60 70 80

Stand age (years)

Stemsperha(targetspecies)

SDFaw 0

SDFaw 400SDFaw 1000

SDFaw 2000

SDFaw 3000

Competition Effect on Density

SDFaw = aspenstand densityfactor


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January 31, 2006

Stand Models underDevelopment for LinkingPerformance and Yield Targets

Height Re-fitted height-SI-age models - use PSP trajectories, solve site tree replacement issue,

include regeneration data, based on total (versus breast-height) age

Stocking Percent stockingage-SI models - direct link to conventional regeneration surveys,

address spatial effects, provide basis for spatial modeling Density

Non-spatial and spatial mortality functions predicting changes in stems per ha overtime from current or initial density, site quality and stocking

Competition Mixed species mortality models - describe stand density dynamics over time, as

impacted by current or initial density, site quality, stocking, and species mixtures

Mixed species percent stocking models describe changes in stocking of a targetspecies over time, as impacted by stocking of target and competing species, and sitequality

Diameter increment models predict increment of a target species in relation to its age,site index, initial or current density and diameter, spatial distribution, and theabundance and spatial distribution of other species


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January 31, 2006

Implementation Policy issues Technical

More focus on assembling & standardizing data Develop tools for reporting & analysis Training new survey systems, different things to measure

Communication Government Company staff Contractors Public

Corporate

Costs (revise expectations = revise budget) Silviculture Information System


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January 31, 2006

and it takes a lot of time

Time and labor intensive process

150-200 person-days / companyexpected for the first approximation

+ consultant time / costs

Not trivial, but valuable results


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Questions?

fgya 2006 01 prsnttn postharveststanddevconference developmentofalternativereforestationstandards

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