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Terrestrial Condition Assessment (TCA) Vegetation Departure (Map Service)

Published by U.S. Forest Service | Department of Agriculture | Catalog Last Checked: May 05, 2026 at 11:50 PM | Dataset Last Updated: May 07, 2024
Departure is calculated as: Departure = 100 ? Similaritywhere Similarity = a??? (min(Ai,Bi)) over all classes i,...nThe vegetation departure value represents the weighted average (areal extent) of the departure from each Landfire Biophysical Settings (BpS) within each landscape ecosystem. [citation] Swaty, R.; Blankenship, K.; Hall, K.R.; Smith, J.; Dettenmaier, M.; Hagen, S. Assessing Ecosystem Condition: Use and Customization of the Vegetation Departure Metric. Land 2022, 11, 28. https://doi.org/10.3390/land11010028.Vegetation departure within a TCA landscape ecosystem describes the degree to which the observed proportion (percent, 0-100%) of successional classes (i.e. A through E) derived from Landfire Succession Classes (SClass) 2.2.0 dataset, is departed from the proportions one would expect of the reference condition contained in the Landfire Biophysical Settings (BpS) 2.2.0 dataset at each cell location.

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