Table 1.

Scenarios designed to test for collinearity between quantitative variables.

Quantitative variables	Scenarios
Quantitative variables	A	B	C	D	E	F
Diameter at breast height (DBH)	•	•	•			•
Annual DBH increment	•	•	•	•	•
Crown diameter	•	•				•
Annual crown diameter increment	•	•		•	•
Height	•	•	•			•
Annual height increment	•	•	•	•	•
Crown diameter / DBH	•			•
Crown volume / DBH	•		•	•
Height / DBH	•		•	•
Crown volume	•	•	•			•
Crown volume increment	•	•	•	•	•