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Version 5.1

This is the current version of LANDIS-II.

Contents

  • Core framework for the LANDIS-II model
  • Console interface

Releases

Official Release 5.1.3 - July 2008

Changes in this release:

  • Changes to the Installer
    • The installer now forces installation to the "C:\Program Files\" directory. This is admittedly an inconvenience for users outside North America where program files are often stored in a different directory (e.g., "C:\Programmes"). However, this change ensures that all of our installers are compatible and all components are installed to the same location.
  • Utility Libary (Landis.Util)
    • The random number generator within the utility library was changed to use the System.Security.Cryptography random number generator, rather than the System.Random random number generator. This change was required to ensure proper random number generation on Mac OSX.

Official Release 5.1.2 - May 2008

Changes in this release:

  • Changes to the Installer
    • The Base Extensions are now distributed as a Package, separate from the Core framework. They can also be downloaded individually.
    • Version information for individual extensions (including Base) is provided in the User Guides for the individual extensions.
  • Raster IO
    • Raster driver for ERDAS 7.4 maps now allows simultaneous read access. This is critical for running the model simultaneously in multiple windows.

Official Release 5.1 - June 7, 2006

Changes in this release:

  • Age Cohorts Component
    • Modified the age-related mortality to work on an annual basis in order to accommodate the variable time step for succession.
    • Add a new interface for disturbances that need to consider all the cohorts for a species together. This change was motivated by the current work to develop the Harvesting extension.
  • Fire Extension
    • Added a new feature where the user can specify a set of fire ecoregions that the extension uses instead of the main ecoregions specified in the scenario.

Release Candidate 1 - April 24, 2006

Changes in this release:

  • Core
    • Relocated the implementation of the database of installed plug-ins (extensions) from the core into the extension administration tool (see next item).
  • Extension Administration Tool
    • Added this new console tool for listing, adding, and removing entries in the database of extensions installed on a computer.
  • Fire Extension
    • Fixed error in fire damage table that could have allowed fire intolerant species to persist after severe fire.
    • Added a summary output file that summarizes the number of events and number of cells burned by ecoregion for every fire time step.
  • Biomass Extensions

Beta 1 Release - February 23, 2006

Changes in this release:

  • Core
    • Significant changes to core-extension interfaces; should not affect Users.
    • Error in seed dispersal causing a donut pattern found and fixed.
    • Now allows the new Biomass Succession extension and related extensions to interface with Core. Biomass Succession can use age-only disturbances (e.g., Base Wind, Base Fire). A bridge was created for Biomass Succession allowing cohort biomass killed in an age-only disturbance to be distributed to the appropriate dead pools at User determined rates. Also, the dead pools can be reduced by an age-only disturbance, particularly important for fire.
  • Age-Only Succession Extension
    • Random mortality after 80% of life span was missing; inserted.
  • Fire Extension
    • fixed error when fire spreads to ecoregions without fire parameters.