Detection and Analysis of Insect Defoliation Signals in Tree Rings
Alias to as_defol()
Alias to as_obr()
Cast data frame to list-like defol object
Cast data frame to list-like obr object
Constructor for S3 defol class
Descriptive statistics for defoliation trees
Identify defoliation events in host trees
Defoliation event list
Calculate the growth suppression index
Identify defoliation events in a host series
Check if object is tree-level defoliation object: defol
Check if object is outbreak, meaning site-level outbreak object
Constructor for an obr object.
Composite defoliation series to determine outbreak events
Outbreak statistics
Plot a defol object
Produce a Gantt plot of individual tree-ring series to show defoliatio...
Produce a stacked plot to present composited, site-level insect outbre...
Calculate the sample depth of a defol object
Extract series names from a defol object
Stack a defoliation list
Tools to identify, quantify, analyze, and visualize growth suppression events in tree rings that are often produced by insect defoliation. Described in Guiterman et al. (2020) <doi:10.1016/j.dendro.2020.125750>.