FVS Data Translocation FVS Data Translocation Techniques with the BLM Techniques with the BLM

FORVIS DatabaseFORVIS Database33rdrd FVS Conference FVS Conference

Feb. 14, 2007Feb. 14, 2007

Tim BottomleyTim Bottomley

BLM FORVIS DatabaseBLM FORVIS Database

• FORVIS – Forest Vegetation Information System; initial release in 2001, Version 2 in 2005

• Distributed database stored at individual State offices in an Informix RDBM

• MS Access is the user interface through an ODBC driver

FORVIS FORVIS

• Contains 32 data tables

• Only 2 relate to FVS– stand_data– tree_data

FORVIS Field Data Entry FormFORVIS Field Data Entry Form

BLM FORVIS PLOT MEASUREMENT RECORD

Location Common Name or Legal Desc: Page______of______ Polygon Identifier Observer Name : Date :

Stand Data and Sample Design Habitat type: Slope: BAF: No. plots: Dia. Grow period: Site species: Birth year: Elevation: Plot size: Acres: Mortality period: Site index: Aspect: DBH break: Stockable %:

Tree Data Plot Data

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Remarks

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FORVIS Plot Data FormFORVIS Plot Data Form

Portion of Visual Basic ScriptPortion of Visual Basic Script

22ndnd Option for exporting data Option for exporting data

FORVIS 2 allows multiple stands in SLFFORVIS 2 allows multiple stands in SLF

Seedling IssueSeedling Issue

Importing FVS Run into FORVISImporting FVS Run into FORVIS

Import of FVS RunImport of FVS Run

FORVIS with ArcMap ExtensionFORVIS with ArcMap Extension

Stand Summary ReportStand Summary Report FORVIS - Stand Summary Information 1/17/2007

FORVIS TAHOSA_05 Inventory 1997 Habitat 901 Elevatio 88 No. of plots: 4 Diam. growth 10 Site index: 30 Birth 1890 BAF: 40 Nonstockable Hgt. growth 5 Site 7 Aspect: 7 Plot 150 Acres: 2 Mortality 10 Slope: 1 DBH 5 Stockable 100

Latitud Location: Max. basal FVS Longitud Diam. growth Stnd. den.

Hgt. growth Model

Stand Summary Information from FVS: Year: 1997

Trees per 4607 Structure 2

Quad. mean 1.0 Basal 30

Average 2 Dominate 6.2

Stand density 132 Cubic 442

Canopy 31 Bd. Ft. 0 Year: 2007

Trees per 4551 Structure 3

Quad. mean 1.0 Basal 44

Average 5 Dominate 7.1

Stand density 181 Cubic 619

Canopy 41 Bd. Ft. 526 Year: 2017

Trees per 4494 Structure 3

Quad. mean 1.0 Basal 74

Average 8 Dominate 8.0

Stand density 272 Cubic 921

Canopy 60 Bd. Ft. 1,225 Year: 2027

Trees per 4467 Structure 3

Quad. mean 2.0 Basal 114

Average 11 Dominate 8.5

Stand density 383 Cubic 1,349

Canopy 76 Bd. Ft. 2,230

Big Question for BLM?Big Question for BLM?

Should BLM look at using the database Should BLM look at using the database extension of FVS in lieu of creating the extension of FVS in lieu of creating the

stand list and tree data text files for stand list and tree data text files for FVS input?FVS input?

Questions?Questions?