Ecological Archives E087-019-A1

**Winsor H. Lowe, Gene E. Likens, Mark A. McPeek, and Don C. Buso. 2006. Linking direct and indirect data on dispersal: isolation by slope in a headwater stream salamander. Ecology 87:334–339.**

Appendix A (Table A1). Descriptive statistics for amplified fragment length polymorphism variation at 18 sites in the Hubbard Brook watershed, New Hampshire, USA, where Gyrinophilus porphyriticus tissue samples were collected. Downstream and upstream sites were separated by 1 km, measured along each stream.

Stream	Site	Average heterozygosity (± 1 SD)^†	Percentage polymorphic loci (95% criterion)	Genetic differentiation
				^‡	(± 1 SD)^†
Bagley Trail	Downstream	0.27 ± 0.011	39.81	-0.04	0.01 ± 0.01
	Upstream	0.27 ± 0.011	38.83
Bear	Downstream	0.28 ± 0.011	48.54	0.04	0.03 ± 0.18
	Upstream	0.28 ± 0.011	49.51
Canyon	Downstream	0.26 ± 0.012	31.07	0.05	0.06 ± 0.036
	Upstream	0.25 ± 0.012	20.39
Cascade	Downstream	0.30 ± 0.01	57.28	0.06	0.05 ± 0.027
	Upstream	0.26 ± 0.012	23.30
Falls	Downstream	0.26 ± 0.011	36.89	-0.01	0.01 ± 0.01
	Upstream	0.30 ± 0.01	58.25
Kineo	Downstream	0.27 ± 0.011	37.86	0.03	0.02 ± 0.017
	Upstream	0.27 ± 0.011	39.81
Paradise	Downstream	0.26 ± 0.012	29.13	0.1	0.08 ± 0.039
	Upstream	0.26 ± 0.011	26.21
Zigzag East	Downstream	0.29 ± 0.011	54.37	0.01	0.02 ± 0.014
	Upstream	0.27 ± 0.011	33.01
Zigzag West	Downstream	0.26 ± 0.011	34.95	-0.01	0.01 ± 0.01
	Upstream	0.26 ± 0.011	32.04

^†Obtained using Holsinger et al.’s (2002) Bayesian method.

^‡Obtained using Excoffier et al.’s (1992) method.

LITERATURE CITED

Excoffier, L., P. Smouse, and J. Quattro. 1992. Analysis of molecular variance inferred from metric distances among DNA haplotypes: application to human mitochondrial DNA restriction data. Genetics 131:479–491.

Holsinger, K. E., P. O. Lewis, and D. K. Dey. 2002. A Bayesian approach to inferring population structure from dominant markers. Molecular Ecology 11:1157–1164.

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