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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