Table 9.  All live above ground tree biomass on timberland by owner, softwood/hardwood and component, Pennsylvania, 2002 
  
                                              (Standard error as percentage of total) 
  _______________________________________________________________________________________________________________________________ 
                                                  Growing stock                        Non-growing stock                          
    Owner/        ________________________________________________________________________________________________        All      
  species grou       All live-                    Stumps/                                   Stumps/                   components  
                     seed/saps       Boles      tops, limbs      Total         Boles      tops, limbs      Total                  
  _______________________________________________________________________________________________________________________________ 
  Public        
     Softwoods            22.2          12.1          12.1          12.1          22.9          22.7          22.8          11.2  
     Hardwoods             6.7           4.4           4.3           4.4           8.6           7.9           8.2           4.2  
                  _______________________________________________________________________________________________________________ 
  Total                    6.5           4.4           4.3           4.3           8.2           7.6           7.9           4.2  
  Private       
     Softwoods            11.5           6.9           6.8           6.9          11.6          11.2          11.4           6.4  
     Hardwoods             3.8           2.6           2.5           2.6           4.9           4.4           4.6           2.4  
                  _______________________________________________________________________________________________________________ 
  Total                    3.7           2.5           2.4           2.5           4.6           4.2           4.4           2.3  
  All Owners    
     Softwoods            10.2           5.8           5.8           5.8          10.5          10.2          10.3           5.4  
     Hardwoods             3.0           1.7           1.7           1.7           4.1           3.7           3.8           1.5  
                  _______________________________________________________________________________________________________________ 
  Total                    2.9           1.6           1.8           1.6           3.8           3.5           3.6           1.4  
  _______________________________________________________________________________________________________________________________