Table 5.  Net volume of all live trees and salvable dead trees on  
                    timberland by class of timber and softwood/hardwood  
                    categories, Pennsylvania, 2002 
  
                     (Standard error as percentage of total) 
  _____________________________________________________________________________ 
                                      Species group                             
     Class of timber        ________________________________          Total      
                                 Softwoods         Hardwoods       all species  
  _____________________________________________________________________________ 
  Growing stock trees    
     Sawlog portion                    6.9               2.3               2.2  
     Upper stem portion                6.6               2.2               2.1  
                            ___________________________________________________ 
  Total                                6.8               2.3               2.2  
                            ___________________________________________________ 
     Poletimber                        7.3               1.9               1.8  
                            ___________________________________________________ 
  All growing stock                    6.2               1.8               1.7  
  Rough cull trees       
     Sawtimber                        12.4               6.8               6.0  
     Poletimber                       50.9               5.9               5.9  
                            ___________________________________________________ 
  Total                               12.4               5.1               4.8  
                            ___________________________________________________ 
  Rotten cull trees      
     Sawtimber                        33.6               7.7               7.5  
     Poletimber                       50.9               9.8               9.7  
                            ___________________________________________________ 
  Total                               32.2               6.7               6.6  
                            ___________________________________________________ 
    All cull trees                    12.1               4.4               4.2  
                            ___________________________________________________ 
  All live trees                       6.0               1.7               1.7  
                            ___________________________________________________ 
  Salvable dead trees    
     Sawtimber                        38.8              19.0              17.2  
     Poletimber                       22.4              10.7               9.9  
                            ___________________________________________________ 
    All salvable dead                 26.0              11.0              10.2  
                            ___________________________________________________ 
  Total                                5.9               1.7               1.7  
  _____________________________________________________________________________