Table 3.

Comparisons of genetic diversity and differentiation among Populus szechuanica populations along altitude gradients.

	L					M					H					total
Locus	Na	I	Ho	He	Fis	Na	I	Ho	He	Fis	Na	I	Ho	He	Fis	Fit	Fst	Nm
ssr1	2	0.086	0.034	0.033	-0.017	2	0.215	0.111	0.105	-0.059	3	0.219	0.100	0.096	-0.046	-0.035	0.012	20.945
ssr2	3	0.272	0.095	0.120	0.209	5	0.762	0.303	0.345	0.121	4	1.068	0.487	0.587	0.172	0.237	0.093	2.450
ssr3	4	1.238	0.566	0.676	0.163	4	1.052	0.654	0.605	-0.081	5	1.136	0.433	0.628	0.310	0.174	0.046	5.143
ssr4	2	0.667	0.419	0.475	0.116	2	0.656	0.303	0.463	0.345	2	0.693	0.420	0.500	0.159	0.238	0.042	5.766
ssr5	3	0.645	0.254	0.376	0.323	3	0.627	0.387	0.362	-0.069	3	0.828	0.500	0.480	-0.042	0.069	0.007	34.496
ssr6	2	0.650	0.569	0.457	-0.245	2	0.688	0.367	0.495	0.259	2	0.585	0.429	0.396	-0.084	0.011	0.023	10.542
ssr7	8	1.588	0.639	0.768	0.168	10	1.761	0.688	0.758	0.093	7	1.489	0.767	0.715	-0.073	0.104	0.040	5.936
ssr8	9	1.566	0.542	0.712	0.238	5	1.274	0.643	0.666	0.035	5	1.164	0.514	0.618	0.167	0.163	0.017	14.129
ssr9	5	0.882	0.167	0.528	0.684	2	0.627	0.240	0.435	0.449	2	0.570	0.279	0.382	0.269	0.499	0.017	14.483
ssr10	3	0.733	0.508	0.507	-0.002	2	0.460	0.276	0.285	0.033	3	0.495	0.310	0.293	-0.059	0.097	0.104	2.148
ssr11	4	1.031	0.516	0.583	0.116	4	1.154	0.552	0.646	0.146	5	1.165	0.414	0.654	0.366	0.226	0.017	14.936
ssr12	2	0.689	0.535	0.496	-0.077	2	0.605	0.517	0.414	-0.248	2	0.466	0.177	0.291	0.393	0.041	0.062	3.784
ssr13	4	1.002	0.500	0.528	0.053	4	0.875	0.483	0.531	0.091	5	1.178	0.623	0.618	-0.009	0.062	0.021	11.776
ssr14	2	0.674	0.446	0.481	0.071	2	0.693	0.546	0.500	-0.092	2	0.680	0.541	0.487	-0.112	-0.040	0.005	47.305
ssr15	3	0.574	0.180	0.299	0.397	4	0.512	0.107	0.229	0.532	3	0.442	0.167	0.249	0.329	0.428	0.023	10.830
ssr16	3	0.732	0.377	0.467	0.193	3	0.647	0.464	0.401	-0.157	3	0.643	0.458	0.423	-0.084	-0.002	0.005	53.991
ssr17	5	1.095	0.245	0.569	0.569	6	1.565	0.407	0.753	0.459	7	1.449	0.258	0.700	0.632	0.563	0.029	8.384
ssr19	2	0.641	0.340	0.449	0.243	2	0.628	0.357	0.436	0.181	2	0.627	0.443	0.435	-0.018	0.137	0.000	675.978
ssr20	2	0.641	0.340	0.449	0.243	2	0.628	0.357	0.436	0.181	2	0.627	0.443	0.435	-0.018	0.137	0.000	675.978
ssr21	7	1.074	0.469	0.501	0.064	5	0.713	0.367	0.323	-0.136	6	0.497	0.250	0.226	-0.107	-0.008	0.025	9.730
ssr22	5	1.236	0.516	0.644	0.198	4	1.098	0.448	0.599	0.252	4	0.974	0.400	0.557	0.281	0.255	0.018	14.047
ssr23	5	1.286	0.661	0.692	0.045	5	1.424	0.759	0.731	-0.038	8	1.644	0.813	0.783	-0.037	0.008	0.020	12.438
ssr24	2	0.576	0.424	0.387	-0.094	2	0.562	0.433	0.375	-0.156	2	0.593	0.409	0.404	-0.014	-0.085	0.001	314.685
Mean	3.7917	0.856	0.404	0.488	0.172	3.583	0.840	0.422	0.477	0.115	3.833	0.836	0.407	0.475	0.143	0.172	0.034	7.020
St. Dev	1.9777	0.366	0.170	0.169	0.200	1.886	0.374	0.166	0.167	0.212	1.857	0.374	0.180	0.171	0.230	0.181	0.038	189.235

Na: allele number

I: Shannon index

Ho: observed heterozygosity

He: expected heterozygosity

Fis: fixation index in subpopulations

Fit: fixation index in total population

Fst: genetic differentiation of subpopulations

Nm: Gene flow estimated from Fst