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NEWS.Rmd
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---
title: "LandWeb"
author:
- "Alex M. Chubaty"
- "Eliot J. B. McIntire"
date: "20 September 2019"
output: md_document
editor_options:
chunk_output_type: console
---
**Known issues:** https://github.com/PredictiveEcology/LandWeb/issues
--------------------------------------------------------------------------------
### LandWeb v2.0.1
**App changes**
- fixed issue with downloading model outputs.
- minor performance enhancements.
### LandWeb v2.0.0
**Input data**
- reworked data preparation steps and fixed many data errors
- implemented and fit various statistical models to impute missing and inconsistent data
**Model improvements**
- reparameterized the model to emulate a state-transition model to ensure burned pixels regenerate
- several bug fixes and performance enhancements
**App changes**
- reworked app to use pre-generated results only instead of computing on-the-fly; as a result, only selected results per FMA are available in-app.
- several other performance enhancements.
- removed shapefile uploads, as custom areas require rerunning various analyses, which were slowing down the app server and blocking other users from interacting with the app.
--------------------------------------------------------------------------------
### LandWeb v1.0.1
- added axis labels and titles to several figures (#57)
- added text to clarify meaning of "years" in simulations (#58)
- added boxplots that summarize the vegetation cover histograms (#59)
- added news feed and notifications (#60)
- some performance improvements loading maps
- fixed file-naming bug when downloadling model outputs (with #62)
- improved caching
- server upgrades have reduced several performance and disconnection issues
**NOTE:** There appears to be a bias towards deciduous species in some of the results.
This may be due to the interaction between the LandMine fire model and the LANDIS Biomass-Succession models: deciduous species burn less than conifers but regenerate more quickly.
I am currently taking a closer look at the simulations and code to verify these results.
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### LandWeb v1.0.0
- time since fire maps, and histograms for all combinations of stand age class, leading vegetation type, and spatial area at a particular patch size;
- vegetation cover histograms for all combinations of stand age class, leading vegetation type, and spatial area;
- user-selectable spatial areas and patch sizes;
- log in using your Google account to view current conditions, upload custom polygons, and download model results.
**NOTE:** There appears to be a bias towards deciduous species in some of the results.
This may be due to the interaction between the LandMine fire model and the LANDIS Biomass-Succession models: deciduous species burn less than conifers but regenerate more quickly.
We are currently taking a closer look at the simulations and code to verify these results.