Table 7. Net volume of growing stock on timberland by species group and diameter class, Massachusetts, 2005
(Standard error as percentage of total)
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Diameter class (inches at breast height)
Species group __________________________________________________________________________________________ All
5.0- 7.0- 9.0- 11.0- 13.0- 15.0- 17.0- 19.0- 21.0- classes
6.9 8.9 10.9 12.9 14.9 16.9 18.9 20.9 28.9 29.0+
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Balsam fir 44.8 80.1 100.0 .0 .0 .0 .0 .0 .0 .0 59.4
Atlantic white-cedar 100.0 84.1 .0 .0 .0 .0 .0 .0 .0 .0 85.0
Black spruce 100.0 100.0 100.0 .0 .0 .0 .0 .0 .0 .0 100.0
Red spruce 45.1 47.8 43.0 100.0 60.4 .0 70.7 100.0 .0 .0 50.6
Red pine .0 100.0 72.4 100.0 .0 100.0 .0 .0 .0 .0 65.9
Pitch pine 40.8 30.2 32.1 41.8 34.5 100.0 .0 .0 .0 .0 26.8
Eastern white pine 12.5 13.7 15.4 14.4 13.9 15.1 16.8 25.0 26.6 46.2 12.0
Eastern hemlock 19.6 18.0 18.2 20.5 22.5 21.5 29.1 36.8 45.3 100.0 16.8
Other softwoods 58.2 55.4 100.0 .0 .0 .0 .0 .0 .0 .0 56.2
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Total softwoods 10.9 9.9 10.6 11.2 11.0 12.3 14.0 20.9 24.8 41.7 9.2
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Red maple 10.0 10.0 11.2 12.9 15.9 17.8 28.9 42.6 58.2 .0 8.9
Sugar maple 19.2 19.2 32.5 25.7 26.6 31.9 51.1 70.8 60.4 .0 20.2
Yellow birch 21.4 23.5 24.9 28.0 32.5 71.2 71.1 100.0 .0 .0 19.7
Paper birch 19.2 23.5 26.1 27.3 69.8 70.8 .0 .0 .0 .0 21.2
Hickory 28.8 38.4 34.8 37.2 59.0 100.0 100.0 .0 .0 .0 27.3
American beech 26.8 24.5 27.6 31.0 38.6 42.9 .0 100.0 71.6 .0 20.5
White ash 23.9 29.3 23.7 26.2 26.1 49.5 70.0 76.3 72.8 100.0 21.1
Yellow-poplar .0 .0 100.0 .0 .0 100.0 100.0 .0 .0 .0 100.0
Blackgum 29.7 40.4 58.3 56.1 .0 .0 .0 .0 .0 .0 33.7
Aspen 42.2 33.1 28.1 35.4 42.6 41.8 70.7 .0 .0 100.0 25.4
Black cherry 25.1 41.5 34.7 24.8 45.1 45.5 38.1 72.2 53.9 .0 22.8
White oak 22.9 26.2 23.3 29.4 26.7 37.8 69.6 50.0 71.2 100.0 16.5
Northern red oak 24.9 22.2 16.1 18.5 18.8 20.8 22.7 28.1 24.2 71.8 12.6
Other white oaks 47.8 43.5 55.3 45.6 65.6 46.8 100.0 .0 .0 .0 37.6
Other red oaks 24.3 18.6 16.4 21.2 24.3 27.2 33.1 57.9 39.8 .0 13.6
American basswood 58.2 70.8 .0 .0 .0 .0 .0 100.0 100.0 .0 68.4
Elm 51.5 57.1 74.5 100.0 .0 .0 .0 .0 .0 .0 37.8
Other hardwoods 16.7 18.3 21.4 27.8 35.7 41.2 72.5 .0 .0 .0 15.8
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Total hardwoods 6.6 6.4 6.6 7.0 8.4 9.9 14.2 18.0 17.3 57.6 5.6
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Total, all species 6.1 5.9 6.2 6.1 6.8 7.7 9.8 14.2 17.3 38.3 5.1
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