Usda forest Service National Biomass Estimator Library


NBEL Species Regional/Forest Default Setup



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NBEL Species Regional/Forest Default Setup


The species default is important for biomass calculation. The regional/forest default for each species will need to be approved by regional measurement specialist and maintained by FMSC. Those defaults will be read only for user on the NBEL GUI. However user can set local default to overwrite the regional/forest defaults. The species default setup includes green weight factor, percent moisture content, bark to wood volume percentage, and equations used for each biomass component.

Table 2. Current NBEL defaults provided by regional measurement specialists

Region

Forest(s)

Species Code

Weight Factor (P)

Weight Factor (S)

Above Ground Total

Live Branches

Dead Branches

Foliage

Stem Tip

02




093

43



















108

50



















122

71



















746

52



















202

61



















015

68



















13

015

73.0



















096

60.2



















122

70.1



















202

62.4



















03




122

68.9



















05




122

68



















116

68



















117

69



















119

69



















108

55



















015

69



















020

69



















081

58



















06

East Cascades

122

69



















202

61



















West Cascades (DBH<= 15)

202

51



















West Cascades (DBH>15)

202

61



















West Cascades

263

64



















351

57



















02

015

68



















081

58



















122

62



















04

015

68.9



















070

55.4



















108

63.4



















122

68.8



















202

60.7



















09

202

58



















263

64



















10

015

60



















041

61



















081

61



















098

54



















122

65



















122

60



















351

57



















12

202

60.9





















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