Differential introgression and the maintenance of species boundaries in an advanced generation avian hybrid zone

Walsh, Jennifer; Shriver, W. Gregory; Olsen, Brian J.; Kovach, Adrienne I.

doi:10.1186/s12862-016-0635-y

BMC Ecology and Evolution

Table 1 Sampling locations and descriptive statistics for A. caudacutus and A. nelsoni. Table includes marsh names, distance along the geographic transect, sampling coordinates, sample size, observed (HO) and expected (HE) heterozygosity, F _IS, average Q values, hybrid index, and interspecific heterozygosity for each marsh based on analyses in structure and introgress.

From: Differential introgression and the maintenance of species boundaries in an advanced generation avian hybrid zone

Sampling location	Distance from locality 1 (km)	Latitude	Longitude	n	HO	HE	FIS	Q Value (average)	Hybrid Index (average)	Interspecific Heterozygosity (Average)
Lubec, ME	0	44.822	−66.991	9	0.537	0.555	0.032	0.021	NA	NA
Columbia Falls, ME	61	44.644	−67.719	10	0.583	0.563	−0.037	0.003	NA	NA
Narraguagus River - Millbridge, ME	78	44.551	−68.891	9	0.542	0.551	0.018	0.002	NA	NA
Mendell Marsh - Penobscot, ME	155	44.591	−68.859	9	0.583	0.555	−0.050	0.004	0.06	0.38
Weskeag Marsh - South Thomaston, ME	216	44.077	−69.142	9	0.592	0.760	0.221*	0.430	0.44	0.31
Sheepscot River - Newcastle, ME	252	44.065	−69.597	7	0.643	0.697	0.077	0.185	0.24	0.42
Morse Cove - Arrowsic, ME	287	43.816	−69.795	5	0.617	0.799	0.228	0.390	0.39	0.36
Popham Beach - Phippsburg, ME	292	43.739	−69.806	15	0.675	0.761	0.113*	0.714	0.69	0.28
Maquoit Bay - Brunswick, ME	313	43.867	−69.988	10	0.613	0.618	0.008	0.083	0.18	0.48
Cousins River - Yarmouth, ME	328	43.811	−70.156	5	0.614	0.714	0.100	0.201	0.28	0.37
Spurwink River - Cape Elizabeth, ME	358	43.588	−70.246	16	0.667	0.779	0.143*	0.632	0.61	0.22
Scarborough Marsh - Scarborough, ME	367	43.575	−70.372	14	0.627	0.773	0.189*	0.645	0.67	0.27
Saco River - Saco, ME	376	43.492	−70.391	7	0.619	0.784	0.211*	0.566	0.53	0.29
Marshall Point - Arundel, ME	388	43.381	−70.433	6	0.583	0.766	0.239	0.334	0.33	0.28
Little River - Wells, ME	398	43.344	−70.538	4	0.594	0.788	0.246	0.540	0.51	0.33
Eldridge Marsh - Wells, ME	404	43.292	−70.572	9	0.652	0.783	0.166	0.760	0.74	0.25
Seapoint - Kittery Point, ME	432	43.087	−70.664	9	0.648	0.691	0.063	0.984	0.90	0.21
Lubberland Creek - Newmarket, NH	452	43.073	−70.903	10	0.704	0.772	0.088	0.747	0.70	0.38
Chapman’s Landing - Stratham, NH	456	43.041	−70.924	10	0.583	0.745	0.217*	0.796	0.74	0.21
Squamscott River - Exeter, NH	458	43.017	−70.935	6	0.653	0.723	0.095	0.832	0.81	0.21
Awcomin Marsh - Rye, NH	473	43.006	−70.752	7	0.531	0.788	0.326*	0.429	0.33	0.23
Drakeside Marsh - Hampton, NH	485	42.931	−70.852	7	0.702	0.678	−0.036	0.995	0.93	0.19
Hampton Beach - Hampton, NH	489	42.926	−70.806	9	0.694	0.681	−0.020	0.992	0.93	0.22
Salisbury Marsh - Salisbury, MA	498	42.844	−70.822	10	0.633	0.691	0.084	0.991	0.94	0.18
Pine Island - Newburyport, MA	505	42.775	−70.827	13	0.660	0.664	0.005	0.996	0.94	0.20
Plum Island - Newburyport, MA	507	42.774	−70.809	9	0.694	0.702	0.011	0.989	0.93	0.19
Castle Hill - Ipswich, MA	512	42.679	−70.773	7	0.702	0.675	−0.040	0.998	0.95	0.17
Farm Creek Marshes - Gloucester, MA	526	42.658	−70.708	10	0.639	0.716	0.107	0.993	0.93	0.16
Rever, MA	565	42.436	−71.011	5	0.617	0.688	0.104	0.997	0.98	0.14
Monomoy Island - Chatham, MA	688	41.603	−69.987	11	0.598	0.646	0.074	0.998	NA	NA
Prudence Island - Jamestown, RI	800	41.647	−71.343	9	0.606	0.639	0.053	0.998	NA	NA
Hammonasset Beach - Madison, CT	910	41.263	−72.551	10	0.642	0.705	0.089	0.997	NA	NA

F _IS significance is indicated by an asterisk

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ISSN: 2730-7182

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