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The Forest Vegetation Simulator (FVS) is a forest growth and yield model developed by the United States Forest Service and is used by natural resource managers and researchers. FVS is calibrated for specific geographic areas and uses a host of simulation models to forecast forest composition and structure.
DGVMs generally combine biogeochemistry, biogeography, and disturbance submodels.Disturbance is often limited to wildfires, but in principle could include any of: forest/land management decisions, windthrow, insect damage, ozone damage etc. DGVMs usually "spin up" their simulations from bare ground to equilibrium vegetation (e.g. climax community) to establish realistic initial values for ...
Forest Vegetation Simulator This page was last edited on 22 January 2022, at 20:41 (UTC). Text is available under the Creative Commons ... Code of Conduct;
The BEC approach classifies vegetation in a hierarchy (see Figure 2) that presents vegetation communities at various levels of generalization. At upper levels of the hierarchy, the communities may have the same dominant tree species and occur in the same broad climate, for example, western redcedar - western hemlock forests of maritime climates ...
The model considers transient changes in vegetation composition and structure in response to environmental change and is, therefore, classified as a Dynamic Global Vegetation Model [2] This new version of IBIS has improved representations of land surface physics, plant physiology, canopy phenology, plant functional type (PFT) differences, and carbon allocation.
Species richness was higher in gaps than in control areas, and there was more diversity in species composition among gaps. However, this study also found that there was a low recruitment rate per gap, which explains why gaps differed in species composition. With 2% to 3% for pioneer species and 3% to 6% for shade-tolerant and intermediate species.
When completed this will contain 30 national species lists. [12] France: Sophy, computerized phytosociological information (vegetation relevés). [13] Germany: FloraWeb website of the Bundesamt für Naturschutz (German Federal Nature Agency, or Bfn) for wild plant species, plant communities, and the natural vegetation of Germany. [14]
Vegetation types of Lesotho and Eswatini are included in the project. The vegetation map is useful for biodiversity assessment, research, conservation management and environmental planning, and includes a database. The project is ongoing as more data becomes available over time.