Table 6.  Volume of growing stock on timberland by forest-type group and  
                 softwood/hardwood species categories, Rhode Island, 2005 
  
                     (Standard error as percentage of total) 
   ___________________________________________________________________________ 
                                      Species group                             
     Forest-type           ________________________________          Total       
         group                  Softwoods         Hardwoods       all species   
   ___________________________________________________________________________ 
   White/red pine                    67.9              66.2              67.6  
   Loblolly/shortleaf                84.5              78.3              83.6  
   Pinyon/Juniper                   100.0                .0             100.0  
   Oak/pine                          48.8              47.8              48.1  
   Oak/hickory                       61.5              16.2              16.2  
   Oak/gum/cypress                  100.0             100.0             100.0  
   Elm/ash/red maple                100.0             100.0             100.0  
   Northern hardwoods                89.1              32.8              32.6  
   Aspen/birch                         .0             100.0             100.0  
                           ___________________________________________________ 
      All type groups                29.6              11.3              11.4  
                           ___________________________________________________ 
   All groups                        29.6              11.3              11.4  
   ___________________________________________________________________________