Indicators of tree condition (Eichorn and Roskams, 2013).
Link to this table

Variable Nature Target Scoring
Primary production
Defoliation Estimate of the leaf/needle loss in relation to a reference standard Assessable tree crown 5% classes, from 0 to 100
Apical shoot architecture Estimate of the shoot development in relation to the standard of an adaptable tree crown Apical tree crown Classes
Fructification Relative estimate of fruits<\td> Whole tree crown Classes
Fruit biomass Biomass of fruits in litterfall traps stand Biomass per hectare
Diameter growth Measurement of diameter growth Stand Diameter in cm