^ 



600 



TIMBER RESOURCES FOR AI^IERICA'S FUTURE 



Table 66. — Mortality from disease in 1952, and estimated growth loss and growth impact of damage to growing 



by type of disease 



r, ROWING 





All diseases 



Root diseases 



Section and region 



Mortality 



Growth loss 



Growth 

 impact 



Mortality 



Growth loss 



Growth 

 Impact 



North: 



New England 



Million 

 cu. ft. 



218 

 39 

 166 

 29 

 9 



Million 

 cu.ft. 



429 

 511 

 508 

 265 

 25 



Million 

 cu. ft. 



647 

 550 

 674 

 294 

 34 



Million 

 cu.ft. 



Million 

 cu.ft. 



Million 

 cu.ft. 



Middle Atlantic - - 









Lake States.. .. . 









Central .. 









Plains 

















Total 



461 



1,738 



2,199 

















South: 



South Atlantic ... .. ...... 



20 

 40 

 13 



326 



1,102 



346 



346 



1,142 



359 



3 



5 



14 

 21 



17 

 26 



Southeast.- -. .. .. .... 



West Gulf 











Total. 



73 



1,774 



1,847 



8 



35 



43 



West: 



Pacific Northwest.. ......... 



78 

 45 

 36 

 31 



192 



146 



252 



70 



270 

 191 

 288 

 101 



44 



52 



96 



California . . . . . 











Southern Rocky Mountain 

















Total 



190 



660 



850 



44 



52 



96 



United States 



724 

 49 



4,172 

 103 



4,896 

 152 



52 



87 



139 













All regions 



773 



4,275 



5,048 



52 



87 



139 



SAW 



North: 



Million 

 bd.-ft. 



475 

 107 

 193 

 111 

 28 



Million 

 bd.-ft. 

 1,592 

 2,138 

 1,794 

 1,439 

 106 



Million 

 bd.-ft. 

 2,067 

 2,245 

 1,987 

 1,550 

 134 



Million 

 bd.-ft. 



Million 

 bd.-ft. 



Million 

 bd.-ft. 



Middle Atlantic 









Lake States . . 









Central 









Plains 

















Total 



914 



7,069 



7,983 









South: 



South Atlantic 



Southeast 



West Gulf - 



68 

 124 

 41 



1,499 

 3,962 

 1,259 



1,567 

 4.086 

 1,300 



16 

 18 



44 

 68 



60 

 86 











Total 



233 



6,720 



6.953 



34 



112 



146 



West: 



Pacific Northwest 



444 

 204 

 97 

 146 



987 



930 



1,199 



316 



1,431 



1,134 



1,296 



462 



261 



193 



454 





X'nrtbem Hncky Mountain 

























Total . 



891 



3,432 



4,323 



261 



193 



454 







2,038 

 204 



17,221 

 426 



19,259 

 630 



295 



305 



600 



Coastal -\laska 











AM regions. 



2,242 



17,647 



19.889 



295 



305 



600 



r 



' Mortality estimates represent actual losses due to diseases in 1952. They 

 also represent the current level of mortality of growing stock indicated by 

 trends over a long period of years, as determined in 1952. In all but the 

 Northern Rocky Mountain Region actual mortality of sawtimber due to 

 disease was found to agree closely with the current trend level. In the 



Northern Rocky Mountain Region, however, actual mortality of sawtimber 

 in 1952 was found to be substantially below this level. 



- Includes many stem rusts, root rots, leaf and needle diseases, Dutch elm 

 disease, phloem necrosis of elm, and persimmon wilt. 



