PROJECTED TIMBER SUPPLIES 19 70 LEVEL OF MANAGEMENT 79 



commercial timberland during this same period, the 1970's for recreational use. It is of course 

 largely as a result of acquisition from other private possible that growing needs for recreational and 

 ownerships. Farm and miscellaneous private environmental uses of forest land will lead to 

 ownership of commercial timberland has generally further withdrawals of land from timber harvest- 

 decreased, largely because of shifts to industrial ing. Hence these projections of commercial 

 ownership and conversion of substantial areas to timberland, and related projections of future 

 nonforest uses such as urban development and timber supplies, must be considered as approxima- 

 pasture. tions that appear reasonable at this time. 



The projected changes in commercial timber- _ , _ 

 land during the period 1970-2020 assume some Timber Removals 



continued losses of forest land to various non- A summary of trends in removals, and their 

 timber uses such as indicated above. Thus, in relationship to other variables such as net growth, 

 coastal Alaska 326 thousand acres of commercial roundwood products, and inventories, is presented 

 timber land was assumed to be withdrawn in the in tables 68 and 69. Kemovals of growing stock 



Table 68. — Timber removals, net growth, mortality, supplies of roundwood products, and inventories in the 

 Pacific Coast Section, 1952, 1962, and 1970, with projections {1970 level of management) l to 2020 



[Million cubic feet] 



Item 



1952 



1962 



1970 



Projections 



1980 



1990 



2000 



2020 



SOFTWOODS 



Removals from growing stock: 

 Roundwood products 



2,821 



568 



98 



2, 926 



511 



95 



3,469 



496 



99 



3,337 

 461 

 106 



3, 099 

 417 

 108 



3,058 

 404 

 111 



3 200 



Logging residues . 



409 



Other removals. . _. _. 



116 



Total 





3,487 



3,532 



4,064 



3,904 



3,624 



3,573 



3 725 



Net growth. ... 





1,999 

 1,493 



2,328 

 1,434 



2,589 

 1, 378 



2,798 

 1, 313 



3,016 

 1,300 



3,211 

 1,314 



3 480 



Mortality _ ... 



1 375 



Roundwood supplies: 

 From growing stock.. 





2,821 

 418 



2, 926 

 398 



3,469 

 336 



3,337 

 305 



3,099 

 277 



3,058 

 274 



3 200 



From other sources 2 . 



291 



Total 





3,239 



3,324 



3,805 



3,642 



3,376 



3,332 



3 491 



Inventory of growing stock . 





243, 077 



235, 150 



226, 643 



210, 861 



204, 072 



200, 374 



195 773 



HARDWOODS 



Removals from growing stock: 

 Roundwood products . 





29 



12 



3 



53 

 20 



5 



75 



30 



9 



74 

 27 

 28 



87 

 31 

 23 



95 

 32 

 20 



103 



Logging residues. _ .... 



36 



Other removals 



4 



Total 





44 



78 



114 



129 



141 



147 



143 



Net growth... ... 





297 

 62 



383 

 76 



467 

 87 



384 

 125 



294 

 146 



229 

 160 



172 



Mortality. . . 



175 



Roundwood supplies: 



From growing stock _ . . 





29 

 6 



53 

 9 



75 

 10 



74 

 8 



87 

 9 



95 

 10 



103 



From other sources 2 . 



11 



Total 





35 



62 



85 



82 



96 



105 



114 



Inventory of growing stock 





10, 427 



12, 749 



14, 822 



17, 584 



19, 526 



20, 624 



21 530 







1 Plus other area and harvesting assumpti 

 in this chapter. 



2 Includes roundwood products from roug] 

 trees, dead trees, and trees on noncommerc 



ons specific 



i and rotti 

 ial and no 



;d fores 



N < 

 may 

 n- J 



t land. 



)te: Estims 

 differ frorr 



ites are foi 

 i actual fig 



* trend lev 

 ures for th 



els and co: 

 3 specified 



lsequently 

 years. 



