Table 1.

Common lime age groups incorporated in the model, dbh parameter included.

Age group	Number of trees	Known age^* (years)	Mean dbh		Standard deviation
Age group	Number of trees	Known age^* (years)	(cm)	(in.)	Standard deviation
1	10	7	3	1.2	± 0.009
2	8	18	17	6.8	± 0.027
3	17	25	21	8.4	± 0.025
4	40	34	27	10.8	± 0.049
5	10	36	31	12.4	± 0.034
6	2	43	25	10	± 0.000
7	1	45	29	11.6	± 0.000
8	20	53	38	15.2	± 0.059
9	23	58	48	19.2	± 0.064
10	4	63	46	18.4	± 0.020
11	15	85	61	24.4	± 0.028
12	25	95	72	28.8	± 0.102
13	14	110	83	33.2	± 0.081