SILVAH Users Guide Table Of Contents Welcome to SILVAH ....................................................................................... 1 Forest Management - Decision Support ............................................................. 2 Chapter 1 - SILVAH Overview .......................................................................... 5 Getting Started ........................................................................................... 5 SILVAH Programs........................................................................................ 5 Analysis and Prescription Operating Modes...................................................... 6 Adding Stands Together ............................................................................... 7 System Requirements .................................................................................. 7 Managing Your Files..................................................................................... 8 Keystrokes and Interactive Help .................................................................... 9 Data Entry Layout ......................................................................................10 About the Data Entry Program .....................................................................12 About the Analysis and Prescription Program..................................................13 About the TREECALC program ......................................................................14 Chapter 2 - Installing SILVAH On Your Computer...............................................16 Installation Procedure .................................................................................16 Items Installed On Your Computer ................................................................16 Chapter 3 - Data Entry and Manipulation ..........................................................18 Starting a New Stand..................................................................................18 Opening An Existing Data File ......................................................................18 Saving Your Data .......................................................................................18 Converting Data From Older Versions............................................................19 Inventory Settings......................................................................................19 Management Information ............................................................................20 Identification, History and Cover Type ...........................................................21 Physiography and Site ................................................................................21 Working With Grid Tables ............................................................................22 About Grid Tables ....................................................................................22 Moving Through The Grid..........................................................................22 Data Entry Shortcuts For the Grid ..............................................................22 Configuring Data Fields On The Grid ...........................................................23 Copying Data From the Grid......................................................................25 Entering Overstory Data..............................................................................25 About Tree and Plot Records .....................................................................25 How to Get Started ..................................................................................26 Entering the Data ....................................................................................28 Adding Tree Observations .........................................................................29 Manipulating Plots ...................................................................................29 Entering Understory Data ............................................................................31 About Understory Data.............................................................................31 Entering extended regeneration data..........................................................31 Entering checkmark regeneration data........................................................33 Entering Non-Native Invasive Species ...........................................................34 About Non-Native Invasive Species Data.....................................................34 Entering Plot-based NNIS Observations.......................................................36 Entering Off-plot NNIS Observations ..........................................................37 Chapter 4 - Setting Up a Defaults File ..............................................................39 About SILVAH defaults ................................................................................39 Starting a New Defaults File.........................................................................39 Opening An Existing Defaults File..................................................................39 ii Table Of Contents Saving Your Defaults ..................................................................................40 Converting Older Defaults Files.....................................................................40 Calculation Settings ....................................................................................40 Default Management Values ......................................................................40 Default Inventory Settings ........................................................................41 Default Commercial Sale Breakpoints .........................................................42 Default Diameters for Volumes ..................................................................43 Default Log Rule and Other Values .............................................................44 System Settings.........................................................................................44 Default Output Folders .............................................................................44 Default Operation Mode............................................................................45 Plant Species Information............................................................................45 About Species Codes................................................................................46 Default Species Codes ..............................................................................47 Default Species Parameters.......................................................................48 Chapter 5 - Analysis and Prescription ...............................................................50 Starting Analysis and Prescription .................................................................50 Changing Runtime Options ..........................................................................51 About Interactive Mode ...............................................................................53 About Stand Growth Projection.....................................................................59 Creating a Script File ..................................................................................59 Creating a Batch Job...................................................................................61 Running your data......................................................................................62 Read Alternate Defaults File.........................................................................63 Quitting the Program ..................................................................................63 Viewing Your Output ...................................................................................64 Chapter 6 - TREECALC, A Volume and Value Calculator.......................................65 Starting TREECALC .....................................................................................65 How to Use TREECALC ................................................................................66 Chapter 7 - SILVAH Definitions and References .................................................69 About references........................................................................................69 Volume and Value Calculations.....................................................................71 Merchantable Heights...............................................................................71 Cubic Volumes ........................................................................................72 Board Volumes ........................................................................................72 Net Volumes ...........................................................................................73 About Report Volumes..............................................................................73 Grade ....................................................................................................74 Value.....................................................................................................74 Regeneration .............................................................................................75 Advance Regeneration Guidelines ...............................................................75 Seed Source Adequacy .............................................................................76 Herbicide Treatments................................................................................76 Fertilization