Table 2.

Summary of the G_i* analysis by individual years.

Year	Distance (m)	Cells	mean Gi*	min Gi*	max Gi*
1906
	150	47	2.80	2.03	4.99
	250	20	2.62	2.03	3.53
	500	20	2.61	2.01	3.53
	750	22	2.58	2.12	3.27
	1000	69	2.57	2.00	4.06
1907
	150	40	2.79	2.03	7.52
	250	28	2.90	2.11	4.47
	500	36	2.69	2.02	3.67
	750	26	2.71	2.03	3.56
	1000	21	2.44	2.04	3.29
1908
	150	23	3.00	2.22	5.10
	250	19	2.70	2.01	4.61
	500	17	4.42	2.03	7.09
	750	30	4.32	2.00	5.76
	1000	69	3.62	2.02	5.18
1909
	150	32	2.73	2.21	4.86
	250	19	2.95	2.00	4.70
	500	14	2.86	2.04	4.17
	750	11	2.43	2.13	2.95
	1000	9	2.51	2.10	2.90