Table 1 Mean overstory (>10 cm dbh) basal area and stem density by treatment and year, Green River Game Land, Polk County, North Carolina, USA.

Pretreatment

C

26.5

641

B

26.5

632

M

27.3

642

MB

23.8

574

Year 1 (1 growing season after first burn and mechanical treatments)

C

27.0 b¹

642

B

26.3 b

653

M

27.6 b

646

MB

21.0 a

598

Year 3

C

28.1 b

608 b

B

26.1 b

581 b

M

28.8 b

643 b

MB

18.3 a

456 a

Year 5 (1 growing season after second burn)

C

27.6 b

593 b

B

25.9 b

562 b

M

29.0 b

629 b

MB

16.5 a

406 a

Year 9

C

28.8 c

561 c

B

24.5 b

482 b

M

29.5 c

598 c

MB

14.6 a

306 a

Year 10 (1 growing season after third burn and second mechanical treatments)

C

29.4 c

533 c

B

24.9 b

407 b

M

29.6 c

511 c

MB

14.6 a

165 a

Year 11

C

29.9 c

552 c

B

25.1 b

400 b

M

29.8 c

510 c

MB

14.6 a

163 a

Year 12

C

30.4 c

556 c

B

25.2 b

401 b

M

30.3 c

516 c

MB

14.9 a

165 a