Table 5.  Net volume of all live trees and salvable dead trees on  
                    timberland by class of timber and softwood/hardwood  
                    categories, Massachusetts, 2005 
  
                     (Standard error as percentage of total) 
  _____________________________________________________________________________ 
                                       Species group                            
     Class of timber        ________________________________          Total      
                                 Softwoods         Hardwoods       all species  
  _____________________________________________________________________________ 
  Growing stock trees    
     Sawlog portion                    9.9               7.1               6.1  
     Upper stem portion                8.9               6.6               5.4  
                            ___________________________________________________ 
  Total                                9.8               7.0               6.0  
                            ___________________________________________________ 
     Poletimber                        9.4               5.5               5.3  
                            ___________________________________________________ 
  All growing stock                    9.2               5.6               5.1  
  Rough cull trees       
     Sawtimber                        20.7              15.0              12.8  
     Poletimber                       19.1              12.1              11.4  
                            ___________________________________________________ 
  Total                               18.3              10.9              10.0  
                            ___________________________________________________ 
  Rotten cull trees      
     Sawtimber                        67.3              21.4              20.3  
     Poletimber                       93.4              20.2              20.0  
                            ___________________________________________________ 
  Total                               62.4              16.7              16.2  
                            ___________________________________________________ 
    All cull trees                    18.1               9.8               9.2  
                            ___________________________________________________ 
  All live trees                       9.0               5.3               4.9  
                            ___________________________________________________ 
  Salvable dead trees    
     Sawtimber                        60.1              27.9              25.1  
     Poletimber                       30.0              15.7              14.0  
                            ___________________________________________________ 
    All salvable dead                 35.7              16.3              14.6  
                            ___________________________________________________ 
  Total                                9.0               5.3               4.9  
  _____________________________________________________________________________