Name: Alaska Areas with Bark Beetle Mortality (2000-2021)

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Description: Multidecadal Dry Exposure and Forest Disturbances - Areas With Bark Beetle Mortality (2000-2022). This dataset illustrates how chronic precipitation deficits increase vegetation's flammability and susceptibility of trees to mortality by bark beetles. The dataset covers the years 2000-2022 and 2017-2022. It was derived from this data source - cumulative areas with bark beetle mortality mapped by Forest Health Protection and Partners - https://www.fs.usda.gov/foresthealth/applied-sciences/mapping-reporting/detection-surveys.shtml . This dataset is only for Alaska and is based on data from 2000-2021.Map and Data Disclaimer: The USDA Forest Service makes no warranty, expressed or implied, including the warranties of Merchant ability and fitness for a particular purpose, and assumes no legal liability or responsibility for the accuracy, reliability, completeness, or utility of these geospatial data, or for the improper or incorrect use of these geospatial data. These geospatial data and related maps or graphics are not legal documents and are not intended to be used as such. The data and maps may not be used to determine title, ownership, legal descriptions or boundaries, legal jurisdiction, or restrictions that may be in place on either public or private land. Natural hazards may or may not be depicted on the data and maps, and land users should exercise due caution. The data are dynamic and may change over time. The user is responsible to verify the limitations of the geospatial data and to use the data accordingly.

Copyright Text: Egan, J., Lestina, J, Holden, Z., Kalachev, L., Smirnova, E., Kaiden, J. 2023. Association of Multidecadal Repeat-Dryness with Bark Beetle and Wildfire Forest Disturbances from 2000-2022 across conterminous United States. Forest Health Monitoring: National Status, Trends, and Analysis. In press. U.S. Department of Agriculture, Forest Service, Forest Health Protection, Washington D.C. 25p.

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