Table 7.  Net volume of growing stock on timberland by species group and diameter class, Massachusetts, 2005 
  
                                                           (In millions of cubic feet) 
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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      SE        
                                  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                  1.9      1.8      1.4       .0       .0       .0       .0       .0       .0       .0      5.1     59.4  
       Atlantic white-cedar         .2      2.1       .0       .0       .0       .0       .0       .0       .0       .0      2.3     85.0  
       Black spruce                 .5      1.4      2.5       .0       .0       .0       .0       .0       .0       .0      4.4    100.0  
       Red spruce                  4.1      5.6     15.3      3.1     12.2       .0      7.1      3.9       .0       .0     51.4     50.6  
       Red pine                     .0       .5      2.0      1.5       .0      2.6       .0       .0       .0       .0      6.7     65.9  
       Pitch pine                  3.4     20.5     23.5     21.7     14.9      2.0       .0       .0       .0       .0     86.0     26.8  
       Eastern white pine         43.8     93.2    151.9    174.1    231.9    241.9    236.7    190.6    433.0     51.5  1,848.5     12.0  
       Eastern hemlock            48.0     67.7     81.6     95.2     99.1    114.7     73.9     44.5     34.1     14.5    673.2     16.8  
       Other softwoods              .4      1.8       .6       .0       .0       .0       .0       .0       .0       .0      2.8     56.2  
                             ____________________________________________________________________________________________________ 
         Total softwoods         102.1    194.8    278.9    295.7    358.0    361.2    317.7    238.9    467.1     66.0  2,680.3      9.2  
                             ____________________________________________________________________________________________________ 
       Red maple                 108.8    190.3    193.5    171.0    139.4    103.9     60.6     32.2     10.0       .0  1,009.7      8.9  
       Sugar maple                16.9     33.4     35.3     40.5     42.6     37.6     20.8      8.0     28.4       .0    263.5     20.2  
       Yellow birch               14.3     24.1     35.9     32.1     23.4      5.4      6.7      2.7       .0       .0    144.6     19.7  
       Paper birch                11.8     15.0     27.0     30.0      8.8      4.9       .0       .0       .0       .0     97.5     21.2  
       Hickory                     9.2     14.3     14.3     11.1      7.0      3.1      4.5       .0       .0       .0     63.6     27.3  
       American beech             11.7     21.9     16.7     16.4     15.9     15.7       .0      4.5      7.8       .0    110.7     20.5  
       White ash                  11.2     22.3     33.1     49.1     37.2     26.8      8.9      7.8     14.1     15.0    225.4     21.1  
       Yellow-poplar                .0       .0      1.3       .0       .0      4.0      4.1       .0       .0       .0      9.4    100.0  
       Blackgum                    3.3      4.2      3.3      3.7       .0       .0       .0       .0       .0       .0     14.5     33.7  
       Aspen                       6.5     13.7     27.8     20.3     17.5     16.5      6.8       .0       .0     19.1    128.3     25.4  
       Black cherry                6.9     12.7     31.1     34.6     15.2     28.2     25.2      7.6     29.0       .0    190.5     22.8  
       White oak                   7.9     13.2     22.6     25.3     30.3     20.9      5.1     16.3      8.6     11.5    161.7     16.5  
       Northern red oak           17.9     30.3     94.4    127.9    129.7    137.5     82.1     79.7    110.5     22.9    832.9     12.6  
       Other white oaks            1.5      4.3      5.6     12.7     15.8     11.5      3.2       .0       .0       .0     54.5     37.6  
       Other red oaks             15.7     28.3     62.0     65.0     64.8     50.3     30.9     13.0     39.7       .0    369.6     13.6  
       American basswood            .7       .6       .0       .0       .0       .0       .0      5.2      3.6       .0     10.2     68.4  
       Elm                          .7      2.2      1.4      1.0       .0       .0       .0       .0       .0       .0      5.3     37.8  
       Other hardwoods            25.3     41.3     55.8     32.7     43.5     14.6      7.4       .0       .0       .0    220.6     15.8  
                             ____________________________________________________________________________________________________ 
         Total hardwoods         270.5    472.2    660.9    673.4    591.0    480.8    266.4    177.1    251.7     68.6  3,912.6      5.6  
                             ____________________________________________________________________________________________________ 
       Total, all species        372.6    667.0    939.8    969.1    949.0    842.0    584.2    416.0    718.7    134.5  6,593.0      5.1  
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       SE                          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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