README file for data for "Changes in forest structure drive temperature preferences of boreal understory plant communities"

PlotID - Identifier for 11436 plots from the NFI, inventoried for understory plants and forest structure variables.
Year - Year of inventory
Elevation - Elevation of plot
macroclim_maxtemp_change - Change in macroclimate maximum temperature between inventories (10 years between)
macroclim_mintemp_change - Change in macroclimate minimum temperature between inventories (10 years between)
CTImax_previous - CTI value of maximum temperature for the understory community at the previous inventory
CTImin_previous - CTI value of minimum temperature for the understory community at the previous inventory
Region - region of plot, used for data partitioning between northern and southern region of Sweden
CTImin - CTI value of minimum tmeperature for the understory community at the current inventory
CTImax - CTI value of maximum tmeperature for the understory community at the current inventory
Ellenberg_L - Community mean of Ellenberg Light Indicator values
Ellenberg_N - Community mean of Ellenberg Nitrogen Indicator values
Standage - Stand age of the forest stand
BasalAreaDiff - Difference in basal area between current and previous inventory
SoilmoistIndex - Soil Moisture Index
LogReel - Ln-transformed relative elevation of the plot
Northslope - Slope and Aspect combined into one measure of degree of northness
BasalArea - Total Basal Area of the inventory (forest density)
PineBasalArea - Total amount of Basal Area from Pine trees
SpruceBasalArea - Total amount of Basal Area from Spruce trees
PropSpruce - Proportion of Spruce from total basal area
PropPine - Proportion of Pine from total basal area
CTImaxchange - Change in CTI value of maximum temperature of the understory communities between inventories
CTIminchange - Change in CTI value of minimum temperature of the understory communities between inventories
