Table 2.

Haplotype diversity (h) and nucleotide diversity (π) values estimated for midden sites (1–7) and webs (I–III). Sample sizes for each collection site were adjusted to reflect the exclusion of offspring of the family units. Standard errors for each are shown in parentheses.

		Index
Collection Site	Sample Size	h	π
1	18	0.941 (0.053)	0.006 (0.003)
2	9	0.750 (0.118)	0.003 (0.002)
3	7	0.524 (0.134)	0.003 (0.002)
4	10	0.600 (0.131)	0.006 (0.003)
5	8	0.679 (0.101)	0.003 (0.002)
6	7	0.571 (0.090)	0.001 (0.001)
7	5	0.700 (0.127)	0.004 (0.003)
I	8	0.964 (0.077)	0.010 (0.006)
II	10	0.911 (0.077)	0.010 (0.006)
III	10	0.933 (0.062)	0.007 (0.004)
Overall	92	0.974 (0.005)	0.008 (0.004)