Research Article

Rapid Assessment of Relative Density in Mixed-Species Stands of the Northeastern United States

Table 2

Rounded weights (values of ) for common species in New York and New England, using an SDF of 50.

SpeciesSpecific Gravity RangeWeight

Maclura pomifera0.8410

Carpinus caroliniana, Carya spp. (except laciniosa), Cornus florida, Ostrya virginiana, Quercus bicolor 0.72–0.789

Acer platanoides, Acer saccharum, Betula allegheniensis, Betula lenta, Betula nigra, Carya laciniosa, Crataegus spp., Fagus grandifolia, Gleditsia tricanthos, Malus spp., Quercus alba and the other white oaks (except bicolor), Quercus rubra and the other red oaks (except velutina and ilicifolia), Robinia pseudoacacia, Ulmus thomasii 0.62–0.698

Acer rubrum, Amelanchier spp., Betula papyrifera, Celtis occidentalis, Fraxinus spp. (except nigra), Juglans nigra, Larix laricina, Quercus velutina, Quercus ilicifolia , Ulmus rubra 0.53–0.617

Acer montanum, Acer negundo, Acer pennsylvanicum, Acer saccharinum, Betula populifolia, Fraxinus nigra, Juniperus virginiana, Nyssa sylvatica, Platanus occidentalis, Picea mariana, Pinus resinosa, Pinus rigida, Pinus sylvestris, Prunus spp. (except pennsylvanica and virginiana), Sassafras albidum, Sorbus americana, Ulmus americana 0.44–0.526

Abies balsamea, Castanea dentata, Juglans cinerea, Liriodendron tulipifera, Picea spp. (except mariana), Pinus (except rigida and sylvestris), Populus spp. (except balsamifera), Prunus pennsylvanica, Prunus virginiana, Salix spp. , Tilia americana, Tsuga canadensis 0.35–0.435

Chamaecyparis thyoides, Populus balsamifera, Thuja occidentalis 0.31–0.344