Table 4. F statistics among divisions within depth classes.

Depth Class	F Div/Tot	F Ind/Tot	F Ind/Div	df D/T	df I/D	df I/T	G	P
0–25	0.090	0.219	0.142	2	342	345	40.33	0.001
25–50	0.019	0.224	0.209	7	585	593	31.70	0.002
50–75	0.026	0.149	0.127	6	1881	1888	75.37	0.001
75–100	0.054	0.048	−0.006	6	1190	1197	104.40	0.001
100–125	0.058	−0.008	−0.070	4	528	533	50.68	0.001
125–150	0.060	−0.055	−0.122	2	134	137	9.50	0.007
150–175	0.323	0.293	−0.045	1	126	128	35.22	0.001
275–300	−0.007	0.053	0.059	1	137	139	0.01	0.866
300–325	−0.007	−0.025	−0.018	1	127	129	0.45	0.515
325–350	0.006	−0.156	−0.163	1	176	178	1.74	0.189
350–375	0.088	−0.077	−0.180	1	44	46	5.42	0.033
Overall	0.077	0.208	0.142	7	5376	5384	677.39	0.001

Statistics of Division in Total, Individuals in Total and Individuals in Division. G is test statistic and P is based on 1000 permutations in all instances. Divisions are the same as in Table 3.