Table 1.

Site descriptions for the three sites used to obtain the three tree-ring chronologies.

	Site
	A1-2700 m a.s.l.	A2-2400 m a.s.l.	A3-2200 m a.s.l.
Dominant species	Schrenk spruce	Schrenk spruce	Schrenk spruce
Latitude	43°25′23.4″N	43°26′25.9″N	43°26′16.9″N
Longitude	81°02′36.7″E	81°05′02.6″E	81°05′32.7″E
Slope aspect	NW	NW	NW
Inclination (°)	30	30	30
Stand age (years)	123	99	95
Soil type	Chernozems	Chernozems	Chernozems
Soil depth (cm)	40	80–100	80–100
Sample size (no. of trees)	20	22	24