Table 38. — Growing stock of total stand as influenced by growth and commodity drain, 



SOUTHERN COASTAL PLAIN 



survey units, during the 5-year period, 1936-40'^ 



Item 



Pines 



Hardwoods 



All species 



Growing stock, Jan. 1. 1936 



Million cubic Jeet 

 1.474.92 



Million cubic JeH 

 1.290.82 



Million cubic feet 

 2,765.74 



Net growth, 1936-40 



Commodity drain, 1936-40 



257.07 

 242.33 



197.69 

 96.84 



454.76 

 339.17 



Net change in growing stock 



14.74 



100.85 



115.59 





1.489.66 



1,391.67 









NORTHERN COASTAL PLAIN 



Growing stock, Jan. 1, 1936 



1.977.63 



1.886.53 



3 864.16 







Net growth, 1936-40 . 



455.88 

 495.88 



237.32 

 264.11 



693.20 



Commodity drain, 1936-40 



759.99 









—40.00 



-26.79 



—66.79 







Growing stock, Dec. 31, 1940 



1,937.63 



1,859.74 



3 797.37 







PIEDMONT 



Growing stock, Jan. 1, 1936 



1,344.13 



646.93 



1.991.06 









Net growth, 1936-40 



318.08 



177.49 

 117.51 



654.37 

 435.59 





Commodity drain, 1936-40 











158.80 



59.98 



218.78 









Growing stock, Dec. 31, 1940 



1.502.93 



706.91 



2,209.84 









Average annual change in growing stock: 



Percent 



.2 



— .4 



2.4 



Percent 



1.6 



— .3 



1.9 



— .3 

 2.2 









Piedmont 









All sound trees 5 inches d. b. h. and larger, inside bark. 



•j^U. S. GOVERNMENT PRINTING OFFICE: I944-605S7t 



72 



