. 2018 Feb 23;13(2):e0193166. doi: 10.1371/journal.pone.0193166

Table 1. Radiocarbon dates^a for Polynesian Plainware occupation strata, Kingdom of Tonga ordered by oldest to youngest.

Group/Island^b	Site	Sample ID	14C date	Cal BP 95.4%^c	Material	Reference
Vava'u/Kapa	Falevai	CAMS 119695	2645 ± 35	2791–2502	charcoal	[14]
Ha'apai/Lifuka	Tongoleleka	CAMS 34559	2600 ± 60	2780–2380	charcoal	[5]
Ha'apai/Lifuka	Holopeka	CAMS 12919	2590 ± 60	2768–2380	charcoal	[5]
Tongatapu	Ha'ateiho	UOC-3859	2583 ± 22	2749–2494	endocarp	new
Ha'apai/'Uiha	Vaipuna	CAMS 41523	2580 ± 50	2758–2434	charcoal	[5]
Vava'u/Kapa	Otea	UOC-3865	2572 ± 26	2748–2490	charcoal	new
Tongatapu	Talasiu	Wk-23002	2562 ± 30	2746–2486	charcoal	[15]
Vava'u/Kapa	Falevai	UOC-3871	2561 ± 25	2744–2489	charcoal	new
Ha'apai/'Uiha	Vaipuna	CAMS 41525	2560 ± 80	2752–2364	charcoal	[5]
Ha'apai/Foa	Faleloa	CAMS 7146	2560 ± 60	2750–2379	charcoal	[5]
Ha'apai/Lifuka	Tongoleleka	CAMS 34560	2560 ± 50	2750–2380	charcoal	[5]
Ha'apai/Ha'ano	Pukotala	CAMS 41515	2560 ± 50	2750–2380	charcoal	[5]
Tongatapu	Talasiu	Wk-33572	2553 ± 25	2741–2487	endocarp	[15]
Ha'apai/Foa	Faleloa	CAMS 41529	2550 ± 50	2746–2380	endocarp	[5], [16]
Ha'apai/Lifuka	Tongoleleka	UOC-3873	2550 ± 23	2740–2486	charcoal	new
Tongatapu	Ha'ateiho	UOC-3860	2542 ± 25	2738–2462	charcoal	new
Ha'apai/Lifuka	Holopeka	CAMS 41527	2540 ± 50	2742–2379	endocarp	[5], [16]
Ha'apai/Ha'ano	Pukotala	CAMS 41517	2540 ± 50	2742–2379	charcoal	[5]
Ha'apai/Lifuka	Tongoleleka	UOC-3872	2540 ± 24	2737–2462	charcoal	new
Vava'u/Kapa	Otea	UOC-3863	2529 ± 29	2734–2380	endocarp	new
Ha'apai/Lifuka	Holopeka	CAMS 41528	2510 ± 50	2717–2364	charcoal	[5]
Ha'apai/Ha'afeva	Mele Havea	CAMS 41521	2510 ± 50	2717–2364	charcoal	[5]
Tongatapu	Talasiu	Wk-28235	2510 ± 30	2715–2379	endocarp	[15]
Ha'apai/Ha'afeva	Mele Havea	UOC-3868	2505 ± 22	2710–2378	endocarp	new
Tongatapu	Talasiu	Wk-33574	2504 ± 25	2710–2376	endocarp	[15]
Vava'u/Kapa	Falevai	CAMS 119694	2500 ± 35	2708–2363	charcoal	[16]
Tongatapu	Ha'ateiho	UOC-3861	2499 ± 22	2705–2363	charcoal	new
Tongatapu	Ha'ateiho	UOC-3862	2493 ±25	2704–2360	charcoal	new
Ha'apai/Ha'afeva	Mele Havea	UOC-3866	2493 ± 22	2704–2360	charcoal	new
Ha'apai/Ha'afeva	Mele Havea	UOC-3869	2491 ± 22	2702–2360	endocarp	new
Ha'apai/Lifuka	Tongoleleka	CAMS 41512	2490 ± 51	2710–2357	endocarp	[5], [16]
Ha'apai/Ha'afeva	Mele Havea	CAMS 41519	2490 ± 50	2710–2357	endocarp	[5], [16]
Vava'u/Kapa	Falevai	UOC-3870	2483 ± 22	2700–2356	charcoal	new
Ha'apai/Ha'afeva	Mele Havea	UOC-3867	2478 ± 22	2700–2356	unid nut	new
Tongatapu	Talasiu	Wk-28234	2473 ± 31	2701–2353	endocarp	[15]
Tongatapu	Moisa	S-ANU-54629	2461 ± 32	2700–2350	endocarp	new
Ha'apai/Lifuka	Tongoleleka	UOC-3874	2460 ± 22	2696–2350	charcoal	new
Tongatapu	Talasiu	Wk-22876	2452 ± 30	2698–2346	charcoal	[15]
Ha'apai/Lifuka	Tongoleleka	CAMS 34558	2450 ± 40	2700–2346	charcoal	[5]
Tongatapu	Talasiu	Wk-33573	2448 ± 25	2695–2346	endocarp	[15]
Tongatapu	Fakala'a	S-ANU-54628	2439 ± 38	2700–2431	endocarp	new
Ha'apai/Lifuka	Tongoleleka	CAMS 41513	2430 ± 50	2702–2330	endocarp	[5], [16]
Tongatapu	Tufumahina	NZ-636	2380 ± 51	2695–2163	charcoal	[17]
Ha'apai/Lifuka	Tongoleleka	Beta 14171	2330 ± 60	2487–2116	charcoal	[11]

^aDetailed data for dates are given in S1 File.

^b Island groups on which sites are located are identified in Fig 1.

^cDates are calibrated with Oxcal using the southern hemisphere 2013 (SHcal13) calibration curve [14].

Table 1. Radiocarbon datesa for Polynesian Plainware occupation strata, Kingdom of Tonga ordered by oldest to youngest.

Table 1. Radiocarbon dates^a for Polynesian Plainware occupation strata, Kingdom of Tonga ordered by oldest to youngest.