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Vermont Forest Indicators Dashboard

Vermont Forest Indicators Dashboard

Crown Dieback

Score for 2018:
--/5
Long-Term Trend:
Scores are 
As trees experience stress or decline, they begin to reduce resources to the outermost leaves and branches, leading to crown dieback. This fine-scale measurement allows for a more detailed assessment of the tree's overall health and vigor -- it is an early indication of declining health. In any one year, a tree may exhibit short-term dieback due envrionmental stressors, like drought or insect damage. However, trends in crown condition provide an early warning sign of forest decline. Canopy dieback is estimated as the percentage of missing foliage from the upper and outer areas of a tree’s crown. The current year is scored as a proportion between the long-term mean and the maximum value in the record.
FEMC Archive Resources
Dataset: Tree Health and Physiology Measurements