Table 1. Plant material analysed in Symphonia globulifera.
| No. | Location | Latitude | Longitude | Localities included | n | ncp | dmean (km) | dmax (km) |
|---|---|---|---|---|---|---|---|---|
| 1 | Benin | 6.42585° N | 2.47969° E | Niaouli, Porto Novo, Ahozon, Kraké | 19 | 13 | 29.10 | 72.44 |
| 2 | Cameroon Korup | 5.05685° N | 8.83818° E | Korup National Park and 50 ha plot of the Smithsonian Tropical Research Institute | 39 | 14 | 2.44 | 6.33 |
| 3 | Cameroon CN | 5.34846° N | 11.72144° E | Yoko, Mégan, Nyafianga, Djendjou cliffs | 8 | 40.49 | 116.43 | |
| 4 | Cameroon N | 5.95185° N | 11.28245° E | Mandah, Monkoin | 3 | 30.73 | 42.46 | |
| 5 | Cameroon S1 | 2.57775° N | 13.78582° E | Lélé, Mbalam, Mindourou | 5 | 5 | 70.42 | 103.69 |
| 6 | Cameroon S2 | 2.96657° N | 12.965° E | Dja Biosphere Reserve camp Mamma, Mbouma | 3 | 3 | 51.44 | 77.04 |
| 7 | Cameroon SE | 2.80969° N | 15.03372° E | Ngato, Moloundou, management unit UFA10 | 4 | 3 | 46.23 | 90.36 |
| 8 | Cameroon SW, south-west; | 3.19157° N | 10.52427° E | Akom, Bipindi, Ngovayang massif, management unit UFA 09-028 (EFFA), | 22 | 13 | 23.53 | 80.72 |
| 9 | Cameroon Volcanic Line | 4.64713° N | 10.22126° E | Mount Koupé, Yingui region | 3 | 1 | 63.71 | 93.15 |
| 10 | Cameroon W coast | 3.69213° N | 9.71888° E | RF Douala-Edéa, Limbe | 6 | 1 | 29.58 | 86.23 |
| 11 | Gabon CNE | 0.31051° N | 11.1281° E | Mékié, Ndjolé North | 5 | 31.54 | 77.07 | |
| 12 | Gabon NE1 | 0.81011° N | 13.00449° E | Makokou, Bélinga | 2 | 82.55 | 82.55 | |
| 13 | Gabon NE2 | 0.0697° S | 12.36367° E | Ivindo | 2 | 0.36 | 0.36 | |
| 14 | Gabon Crystal | 0.4726° N | 10.27115° E | Crystal Mountains | 4 | 4 | 0.63 | 1.00 |
| 15 | Gabon coast | 0.41459° N | 9.33374° E | Cap Estérias, Pointe Denis, Pongara | 14 | 14 | 18.07 | 46.16 |
| 16 | Gabon CW | 1.66178° S | 10.23387° E | Niambo-kamba, Mandji W | 11 | 32.91 | 77.10 | |
| 17 | Gabon CS | 2.12277° S | 10.35227° E | Moukalaba-Doudou National Park | 2 | 78.37 | 78.37 | |
| 18 | Gabon Waka | 1.03788° S | 11.27908° E | Waka, Lopé Reserve | 3 | 2 | 39.93 | 59.90 |
| 19 | Gabon W | 0.86243° S | 9.77248° E | Petite Silang, Lake Avanga, Lake Anengue, Enyonga | 7 | 52.97 | 95.51 | |
| 20 | Gabon SE | 1.86288° S | 13.87708° E | Ossélé | 1 | 1 | NC | NC |
| 21 | Gabon SW | 2.90301° S | 11.18371° E | Douano, Eastern slope of the Mayombe massive, Bikamba | 9 | 2 | 36.23 | 72.18 |
| 22 | Gabon Gamba-Doudou | 2.84693° S | 10.1492° E | Gamba, Luango | 7 | 6 | 52.46 | 149.40 |
| 23 | DRC W1 | 2.51542° S | 16.53403° E | MbouMon, Mbanzi | 4 | 4 | 12.78 | 24.57 |
| 24 | DRC W2 | 1.98474° S | 17.0428° E | Boleke | 1 | 1 | NC | NC |
| 25 | DRC N | 0.53791° N | 24.88835° E | Bamboussoko, Yangambi | 2 | 106.84 | 106.84 | |
| 26 | São Tomé | 0.27857° N | 6.56685° E | São Tomé | 39 | 5 | 2.81 | 8.38 |
| Overall sample | 586.74 | 2672.05 |
Abbreviations: CN, centre-north; CNE, centre-north-east; CS, centre-south; CW, centre-west. DRC, Democratic Republic of the Congo; dmean and dmax, mean and maximum pairwise distance between individuals sampled; n, number of individuals sampled and genotyped at nSSR markers; ncp, number of individuals sequenced at psbA-trnH; NC, not calculated; SE, south-east; SW, south-west.
Location, sampling location (in italics and underlined for locations coinciding with refuges sensu Maley (1996); latitude and longitude, central geographic coordinates of sampling locations in decimal degrees. Numbers correspond to locations in Figure 1.