592 



TIMBER RESOURCES FOR AJVIERICA'S FUTURE 



Table 56. — Comparison of net annual growth with timber cut from growing stock and live sawtimber on commercial forest 

 land in the United States and Coastal Alaska, by species group, 1952 ' 





Growing stock 



Sawtimber 



Species group 



Timber cut 



Grow-th 2 



Relation of 

 growth to 

 timber cut 



Timber cut 



Growth ' 



Relation of 

 growth to 

 growth cut 



Eastern species: 

 Softwoods: 



White, red. and jack pine 



Southern yellow pines 



Million cu.ft. 



257 



3,029 



243 



217 



Million cu . ft. 



270 



3.483 



291 



341 



Percent 



105 

 115 

 120 

 157 



MiUion bd.-ft. 



972 



11.610 



668 



841 



Million bd.-ft. 



906 



14, 155 



742 



1,167 



Percent 



93 

 122 

 111 



Other softwoods ..... ... . .. 



139 







Total softwoods . ..... ...... .... 



3,746 



4,385 



117 



14. 091 



16, 970 



120 







Hardwoods: 



Soft hardwoods: 



Yellow-poplar 



217 

 1,055 



289 

 2,290 



133 



217 



988 

 3,892 



948 

 6,041 



96 

 155 







Total 



1,272 



2,579 



203 



4,880 



6,989 



143 



Hard hardwoods: 

 Oaks 



1,292 

 325 

 358 



2,478 



718 



1,306 



192 

 221 

 365 



4,894 

 1,290 

 1,150 



7,316 



1,877 

 2,939 



149 



Beech, yellow birch, hard maple 



Other hard hardwoods 



146 

 256 



Total 



1,975 



4.502 



228 



7.334 



12, 132 



165 



Total hardwoods 



3,247 



7.081 



218 



12, 214 



19, 121 



156 







Total, eastern species 



6,993 



11.466 



164 



26, 305 



36, 091 



137 



Western species: 

 Softwoods: 

 Douelas-fir 



1,966 

 605 

 377 

 97 

 163 

 533 



902 

 479 

 237 

 100 



77 

 833 



46 

 79 

 63 



103 

 47 



156 



11.962 

 3.603 

 2,225 

 609 

 987 

 3,069 



4,431 

 1,841 

 1,038 

 535 

 396 

 2,800 



37 



Ponderosa and Jeffrey pine ^ 



Western hemlock 



51 

 47 





88 



Redwood ...... ._. . . .. . . 



40 



Other softwoods. ..... . . ... 



91 







Total softwoods 



3,741 

 23 



2,628 

 149 



70 

 648 



22, 455 

 80 



11,041 

 265 



49 



Hardwoods 



331 



Total, western species .. . .. 



3.764 



2.777 



74 



22,535 



11,306 



50 









7.487 

 3.270 



7,013 

 7,230 



94 

 221 



36, 546 

 12,294 



28,011 

 19. 386 



77 



.\11 hardwoods. . 



158 







All species 



10, 757 



14, 243 



132 



48,840 



47. 397 



97 



1 Growing stock volumes are in net cubic feet excluding bark. Sawtimber 

 volumes are in net board-feet log scale. International '/-i-inch rule. Timber 

 cut refers to net inventory volume cut or killed in logging and converted to 

 timber products or left as logging residues. 



2 The considerable excess of cut over growth for most western softwoods is 

 not entirely due to overcutting. Growth is at alow level partly because 40 

 percent of the commercial forest area consists of old-growth timber that 

 contributes little to net amiual growth. 



' Estimates of net growth for ponderosa and JefTrey pine exclude 4 million 

 cubic feet and 16 million board-feet of ponderosa pine in the Plains Region 

 and combined here with other eastern softwoods. Total net annual growth 

 of ponderosa and Jeffrey pine in the United States is 483 million cubic feet 

 and 1,857 million board-feet. 



