Young Stand Monitoring PowerPoint Presentation, PPT - DocSlides

Young Stand Monitoring PowerPoint Presentation, PPT - DocSlides

2018-11-08 1K 1 0 0

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applied in the . Morice. TSR. R. de Jong. CSC Winter Workshop. 27 February 2014. Assessment of Mid-rotation Stands. Stand Development Monitoring . (SDM). To assess Timber Objective of FRPA . (FREP). ID: 721465

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Presentations text content in Young Stand Monitoring

Slide1

Young Stand Monitoring

applied in the

Morice

TSR

R. de Jong

CSC Winter Workshop

27 February 2014

Slide2

Assessment of Mid-rotation StandsStand Development Monitoring (SDM)

To assess Timber Objective of FRPA

(FREP)

To change Legislation if required

To change PRACTICE if requiredStand Level assessment – 10 plots per polygon, summarized per TSA

Young Stand Monitoring (YSM)

To assess TRENDS of young stands relative to TSR assumptions and adjust (FAIB)Management Unit assessment – permanent sample plots established on a grid over the target population

∆ Leg and Practice

∆ TSR

Slide3

Morice YSM ProgramEstablished 201250 * 0.04ha plots

Grid Based

Unbiased estimate of 15

– 50

year old target population

Slide4

ObjectivesDescribe Young Stand CharacteristicsAssess Accuracy of Inventory PolygonsAssess Accuracy of Site Index EstimatesCheck on TSR AssumptionsLocalize MSYTs using YSM data

Slide5

Describe Stand CharacteristicsComposition

Slide6

Describe Stand CharacteristicsStructureStand Table - LiveStock Table - Live

Slide7

Describe Stand CharacteristicsForest HealthLiveDead

Slide8

Assess Accuracy of Inventory PolysObserved vs. VRI Species Composition

Slide9

Assess Accuracy of SI EstimatesObserved vs. Provincial Site Prod Tile

Slide10

Check on TSR AssumptionsTIPSY MSYTs @ each Sample Point

# Ground Samples

MSYT Volume

Ground Volume

Difference

(m3/ha)

502748

21

Slide11

Localize MSYTs with YSM DataCharacteristicImpactApplied in

Site index

Base

Assumption

Species mix

Base Assumption

Forest health

Alternate Scenario

Slide12

Localize MSYTs with YSM DataSite Index AdjustmentTSR-based SI underestimated compared to ground-based site index.Action: apply site index adjustment by species

Slide13

Localize MSYTs with YSM DataSpecies CompositionYSM ground species mix vs. TSR assumptionsAction: Apply YSM species mix by AU

Scenario

Species

Percent

by THLB

HWD

BL

PL

SX

Total

YSM species mix

1

13

60

25

100

TSR Existing

Assumptions

1

27

46

26

100

TSR Future

Assumptions

0

1

40

59

100

Slide14

Localize MSYTs with YSM DataForest Health ImpactWorst-case FH scenario assumes all stem rust affected Pine will die at rotation.Action: Apply incremental OAF1 in Pine dominated regimes

Data Source

% of Total SPH (host species)

% of Total SPH (all species)

% of Total BA (all species)

RESULTS

10

 

SDM

21

16

 

YSM

25

15

16

Slide15

Pine Med AU – Site Index

Slide16

Pine Med AU – Species mix

Slide17

Pine Med AU – Forest Health

Slide18

Pine Med AU – Combined Impact

Slide19

Morice TSR ScenariosScenario

Era

Managed

Stand

Yield

Table

Base Case RunExisting Managed Stands

YSM (SIA + species)

Future Managed

Stands

2013

Data

Package regimes

Alternate Scenario Run

Existing Managed

Stands

YSM

(

SIA + species

+ FH)

Future Managed

Stands

YSM

(

SIA + species

+

FH

+ GG)

Slide20

SummaryYSM to describe young stand populationYSM as a check on TSR assumptions, both current and future standsYSM to generate localized MSYTsYSM to support alternative modeling scenarios with measured data (forest health)Future YSM data to include change (growth / mortality)


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