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Table 1 Number of live stems and basal area of woody species ≥ 1 cm DBH in 13.64 ha of the Utah Forest Dynamics Plot in 2019

From: Large-diameter trees, snags, and deadwood in southern Utah, USA

Species

Family

DBH ≥ 1 cm

DBH ≥ 10 cm

DBH ≥ 33.2 cm

Stems

BA (m2)

Stems

BA (m2)

Stems

BA (m2)

Abies bifolia

Pinaceae

17,326

163.54

3973

142.99

356

48.87

Populus tremuloides

Salicaceae

2705

90.13

1870

89.34

213

23.15

Picea engelmannii

Pinaceae

1225

25.07

449

23.55

77

12.61

Pinus flexilis

Pinaceae

873

42.16

441

41.32

150

31.6

Pinus longaeva

Pinaceae

729

89.92

519

89.49

279

80.44

Picea pungens

Pinaceae

426

29.63

260

29.3

125

24.63

Juniperus communis

Cupressaceae

172

0.03

0

0

0

0

Ribes cereum

Grossulariaceae

74

0.01

0

0

0

0

Pseudotsuga menziesii

Pinaceae

31

1.78

14

1.74

8

1.52

Abies concolor

Pinaceae

14

0.48

6

0.46

3

0.38

Cercocarpus ledifolius

Rosaceae

9

0.05

3

0.05

0

0

Pinus edulis

Pinaceae

8

t

0

0

0

0

Juniperus scopulorum

Cupressaceae

3

0.08

2

0.08

0

0

Amelanchier alnifolia

Rosaceae

1

t

0

0

0

0

Pinus ponderosa

Pinaceae

1

0.1

1

0.1

1

0.1

Ribes montigenum

Grossulariaceae

1

t

0

0

0

0

Total

 

23,598

442.98

7538

418.42

1212

223.30

  1. Separate tabulations for abundance of stems ≥ 10 cm DBH allows comparison with other datasets, and the tabulation of stems ≥ 33.2 cm DBH indicates those trees above the large-diameter threshold (those large trees constituting half the biomass of the forest)
  2. t trace, < 0.01 m2