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Table 4 Stem densities ha−1 for all stems ≥3.8 cm dbh under three thinning (0 = no thinning, light = residual basal area 17.2 m2 ha−1, and heavy = residual basal area 11.5 m2 ha−1) and three prescribed burning regimes (0Rx = no fire, 1Rx = 1 fire in 7 yr, 3Rx = 3 fires in 7 yr) on the William B. Bankhead National Forest, Alabama, USA. Time 0 reflects pre-treatment, Time 1 is post thin and post first burn, Time 2 is post second burn, Time 3 is post third burn. Different letters within a column indicate significant difference at α < 0.05.

From: Hardwood-Pine Mixedwoods Stand Dynamics following Thinning and Prescribed Burning

 

Time 0

Time 1

Time 2

Time 3

Treatment

ha−1

SE

ha−1

SE

ha−1

SE

ha−1

SE

0/0Rx

1754bc

672

1814b

704

1809b

586

1705a b

514

0/1Rx

2199ab

467

2130a

482

1868b

361

1527b}

314

0/3Rx

2412b

754

2372a

736

2179a

736

1918a

761

Light/0Rx

1542c

702

593c

373

652c

329

865c

339

Light/1Rx

2209ab

954

751c

600

583c

440

766cd

408

Light/3Rx

2036ab

465

588c

363

608c

319

558de

311

Heavy/0Rx

1888b c

712

400c

225

484c

264

722c

363

Heavy/1Rx

1977a bc

605

583c

541

514c

442

914c

544

Heavy/3Rx

1754b c

494

445c

225

405c

230

415e

255