Table 37. — Growing stock of sawlog-size trees as influenced by growth and commodity drain, by survey units, during the 5-year period 1936^0 



SOUTHERN COASTAL PLAIN 



Item 



Pines 



Hardwoods 



All species 



Growiii" stock Jan 1 1936 



Million board feet 

 5. 816. 5 



Million board feet 

 3.664.1 



Million board feet 

 9,480.6 









1.218.1 

 1.151.6 



651.0 

 545 .0 



1,869.1 



Commodity drain 1936 40 



1,696.6 









66.5 



106.0 



172.5 









5,883.0 



3,770.1 



9.653.1 







NORTHERN COASTAL PLAIN 



Growing stock, Jan. 1, 19J6 



8,470.5 



6,330.6 



14,801.1 





2,335.7 



936.5 

 1,245.5 



3,272.2 



Commodity drain, 1936-40 



3,417.3 



Net change in growing stock 



163.9 



—309.0 



—145.1 





8,634.4 



6,021.6 









PIEDMONT 



Growing stock, Jan. 1, 1936 



4,143.0 



1,692.4 



5,835.4 









1,615.8 

 1.136.1 



429.8 

 299.2 



2,045.6 



Commodity drain, 1936-40 



1,435.3 









479.7 



130.6 









Growing stock, Dec. 31, 1940 



4,622.7 



1,823.0 



6,445.7 





Average annual change in growing stock: 

 Southern Coastal Plain 



Percent 

 A 



Percent 



.6 



—1.0 



1.5 



Percent 

 4 



Northern Coastal Plain 



— 2 



Piedmont 









71 



