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Releases: USDAForestService/ForestVegetationSimulator

FVS20240930 FS2024.4

02 Oct 13:23
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September 30, 2024

Updates to this quarterly release include:

FVS20240701 FS2024.3

01 Jul 14:07
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July 1, 2024

In this quarterly release there were minor fixes to the base code to address minor bugs and build list directory structure.
20240701FVS_ReleaseNotice.pdf

Forest Vegetation Simulator 20240401 FS2024.2

01 May 19:33
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This update incorporates several Forest Vegetation Simulator quarterly releases. More information can be found in the attached release notices or on our website https://www.fs.usda.gov/fvs/
FVS_2023_Q4_ReleaseNotice.pdf
FVSReleaseNotice-20240401.pdf
2024Q1-FVSReleaseNotice-20231222.pdf

Forest Vegetation Simulator 20230728

03 Aug 15:04
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Welcome to our July 28, 2023 release!

In this quarterly release, the major updates to base model were:

  • Addition of Coleville National Forest to East Cascades (EC) Variant
  • Check and Waring of Excess Tree per Acre Input

Please see the attached bulletin for more information or visit our website at https:/www.fs.usda.gov/fvs/
FVS_Q3_ReleaseNotice.docx

Forest Vegetation Simulator 20230518

22 May 15:21
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Welcome to our May 18, 2023 Release!

In this quarterly release, the major update to the base model were:

Available Volume Equation Options Expanded

Addition of Lorey's Height Event Monitor Variables
Updated Default Merchantability Limits for National Forests in North Carolina
Revised Forest Typing Algorithm
Corrected Location Mapping for Pine Ridge Reservation in CR Variant
Please see the attached newsletter for more information or visit our website at https://www.fs.usda.gov/fvs/
20230518_FVSNewsletterIssue24.pdf

Forest Vegetation Simulator 20230106.01

24 Feb 18:52
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This is a supplemental release of our 20230106 release.

This release is intended to resolve an issue where volume equations were improperly mapped for Region 5 forests.
Also included in the supplemental release:
Update the FIA species code mapping of other softwoods in the SO variant
Corrections to Forest Type calculations to account for the change in FIA code for other softwoods from 298 to 299, system wide
Correction to Forest location mapping for the Bureau of Indian Affairs Pine Ridge Reservation

Forest Vegetation Simulator 20230106

03 Jan 15:28
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Welcome to our January 06, 2023 Release!

In this quarterly release, the major update to the base model were:

  • Available Volume Equation Options Expanded
  • SN Variant Now Accepts Top Diameter User Inputs when using BFVOLUME or VOLUME Keywords
  • Improved Height Growth Estimates for Norway Spruce in LS and NE Variants
  • Improved Mathematical Logic in KT Variant
  • Corrected Output Database Handling
  • Corrected 'Before Thin CCF' Value Reporting
  • Modification to Crown Ratio Logic for Species in AK Variant and Redwood and Giant Sequoia in CA, NC, OC, OP, PN, WC, and WS Variants
  • Modification to Height Dubbing Logic of Dead Tree Records in AK Variant

Please see the attached newsletter for more information or visit our website at https://www.fs.usda.gov/fvs/

2023Q1_FVSNewsletterIssue23_January062023.pdf

Forest Vegetation Simulator 20220930

03 Oct 15:13
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Welcome to our September 30, 2022 Release!

In this quarterly release, the major update to the base model were modifications to the PN and WC mortality as well as updated volume computations. Please see the attached newsletter for more information or visit our website at https://www.fs.usda.gov/fvs/

FVSNewsletterIssue22_30September2022.pdf