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Forest Ecosystems

Table 1 Radiocarbon dates at different depths in the 4 sediment profiles

From: Holocene variations of wildfire occurrence as a guide for sustainable management of the northeastern Canadian boreal forest

Site and depth (cm) Conventional radiocarbon age 14C BP ± 2 σ Median probability (range of calibration) cal. years BP Dated material Laboratory number
Aurélie Lake     
43–44 2870 ± 30 3007 (2879–3136) Macroremains Poz-35983
111–112 3990 ± 35 4443 (4319–4568) Macroremains Poz-35984
163–164 4750 ± 35 5457 (5329–5586) Macroremains Poz-36014
220–221 6140 ± 40 7047 6931–7163) Macroremains Poz-36016
236–237 6490 ± 40 7396 (7317–7476) Macroremains Poz-36017
326–327 7460 ± 50 8279 (8185–8373) Macroremains Poz-36018
Nans Lake     
20–25 1200 ± 40 1075 (1180–970) Gyttja Beta-275126
30–35 1820 ± 30 1675 (1740–1610) Gyttja Beta-298239
50–51 3290 ± 40 3480 (3570–3390) Gyttja Beta-267031
100–101 4040 ± 40 4555 (4560–4550) Gyttja Beta-267032
130–131 4630 ± 40 5420 (5460–5380) Gyttja Beta-298237
150–151 4040 ± 40 4490 (4570–4410) Gyttja Beta-267033
150–151 4720 ± 40 5555 (5570–5540) Gyttja Beta-298238
170–171 5230 ± 40 5950 (6000–5900) Gyttja Beta-267034
212–213 7800 ± 40 8505 (8600–8410) Gyttja Beta-267035
Richard Lake     
0–5 560 ± 30 510 (530–490) Gyttja Beta-293916
20–25 1220 ± 30 1075 (1170–980) Gyttja Beta-293917
80–81 3800 ± 30 2325 (4230–420) Gyttja Beta-293911
97–98 4870 ± 40 5535 (5600–5470) Gyttja Beta-293912
131–132 6770 ± 40 7520 (7580–7460) Gyttja Beta-293913
149–150 6820 ± 40 7585 (7620–7550) Gyttja Beta-293914
159–160 7560 ± 40 8265 (8350–8180) Gyttja Beta-293915
Twin Lake     
24–25 2415 ± 30 2436 (2357–2679) Gyttja SacA16557
54–55 3615 ± 30 3923 (3848–4056) Gyttja SacA16556
74–75 4105 ± 30 4625 (4480–4806) Gyttja SacA16555
94–95 4340 ± 30 4906 (4851–5019) Gyttja SaA16554
114–115 4435 ± 30 5028 (4892–5264) Gyttja SacA16553
134–135 5245 ± 30 5988 (5931–6169) Gyttja SacA16552
164–165 6285 ± 30 7215 (7166–7267) Gyttja SacA16551
180–181 6910 ± 50 7742 (7654–7866) Macroremains Poz-32158
183–184 7625 ± 45 8419 (8368–8531) Gyttja SacA16550
  1. Beta = Beta Analytic Inc; Poz = Poznan Radiocarbon Laboratory; SacA = Laboratoire de mesure du carbone 14
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