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Table 1 Summary information about each sample included in the study

From: A tree-ring record of historical fire activity in a piedmont longleaf pine (Pinus palustris Mill.) woodland in North Carolina, USA

Sample ID

Sample type

Inner year

Outer year

Cross sections dated (n)

Fire years (number of cross sections recording that fire year)

Fire years (n)

NT01

Stump

1645 (pith)

1856

3

1715 (2)

1

NT02

Stump

1678

1890

2

1800 (2), 1805 (2), 1811 (2)

3

NT03

Stump

1626 (pith)

1917

7

1743 (1), 1774 (3), 1779 (2), 1786 (1), 1792 (1), 1826 (3), 1828 (3), 1832 (3), 1834 (3), 1837 (3), 1842 (2)

11

NT04

Stump

1677 (pith)

1839

5

1714 (4), 1746 (1), 1800 (1)

3

NT05

Stump

1709

1881

2

1758 (2)

1

NT07

Snag

1736

1882

2

1743 (1), 1801 (1)

2

NT08

Snag

1755

1842

1

-

0

NT09

Stump

1753

1857

1

-

0

NT10

Stump

1763

1861

1

-

0

NT12

Stump

1676

1885

4

1725 (1), 1731 (4), 1735 (3), 1737 (4), 1739 (2), 1741 (4), 1743 (4), 1746 (4), 1749 (2), 1758 (4), 1763 (4), 1773 (1), 1779 (1), 1792 (1)

14

NT13

Stump

c. 1568 (pith)

1882

2

1725 (1)

1

NT14

Stump

1723

1848

5

1743 (3), 1749 (4), 1751 (4), 1752 (2), 1758 (1), 1763 (3), 1765 (1), 1774 (1)

8

NT15

Stump

1786

1878

1

1788 (1)

1

NT16

Stump

1718

1885

1

1783 (1), 1786 (1)

2

  1. Data were collected in 2019–2021 at the Nichols Preserve in the piedmont of North Carolina, USA