Data set from Shipley

shipley

Format

A data.frame with 1900 observations of 9 variables.

site

Site of observation

tree

Tree of observation

lat

Latitude

year

Year of observation

Date

Julian date of first bud burst

DD

Cumulative degree days until first bud burst

Growth

Increase in stem diameter

Survival

Plant species richness

Live

Alive (1) or dead (0)