Table 25. — Change in growing stock in cords {including bark), by species group and survey unit, in 1937 — Continued 



Item 



North delta 



South delta 



North pine 



Southeast and ah „„ifo 

 southwest pine, All units 



All species: 



29, .597, 200 



Cords 



39, 9,58, 900 



CotAs 



48, 668, 800 



Cords 



52, 188, 300 



Coris 



170, 313, 200 





Growth - 



981, 900 

 504, 200 



2, 378, 000 

 633, 400 



2, 750, 300 

 601, 500 



3, 087, 000 

 498, 200 



9, 197 200 





2, 237, 300 







Net increment _ . . . 



477, 700 

 949. 300 



1, 744, COO 

 1, 143. 200 



2,148,800 

 1, 993, 700 



2, 588, 800 

 2, 173, 300 



6, 959 900 



Conimoditv drain . . - . _ . 



6 259 500 







Net change in growing stock _ _ 



-471, 600 



+601, 400 



+155, 100 



+415, .500 



+700, 400 



Growing stock Jan. 1, 1938 - - 



29. 125.fi00 



40, 560, 300 



48. 723, 900 



52. 603, 800 



171,013,600 



Table 26. — Change in grou-itig stock in cubic feet \ 



inside bark). 



by Species group and survey unit, in 1937 



item 



North delta 



South delta 



North pine 



Southeast and 

 southwest pine 



All units 



t 



Pines: 



Growing stock Jan. 1, 1937 



M cubic feet 

 14,700 



McvbicU<^t 

 255, 260 



M cubic feet 

 1, 841, 970 



M cubic feet 

 1, 886, 160 



M cvhic feet 

 3, 998. 090 



Growth - 



Mortality -- 



2,030 

 940 



22,260 

 2,850 



114,480 

 19, 360 



140, 810 

 17, 950 



279, 580 

 41, 100 



Net increment - -- . - -- 



1,090 

 780 



19.410 

 7, 190- 



95, 120 

 122, 790 



122, 860 

 128, 260 



238, 480 



Commodity drain. . -_ 



259, 020 



Net change In growing stock _ 



+310 



+12, 220 



-27, 670 



-5,400 



-20, 540 



Growing stock Jan. 1, 1938- 



15, 010 



267, 480 



1, 814, 300 



1, 880, 760 



3, 977, 550 







Hardwoods and cypress: 



Growing stock Jan. 1, 1937 - 



2, 007, 500 



2, 442, 360 



1, 614, 590 



1, 818, 360 



7, 882, 810 



Growth - - - - - - 



69, 780 

 33,540 



143, .590 

 39, 610 



85, 420 

 22, 980 



85, 730 

 17, 390 



384, 520 



Mortality ..-.___._ _ ..._ 



113, 520 









36, 240 

 68,420 



103, 980 

 7,5, 120 



62, 440 

 28,250 



68, 340 

 36, 160 



271, 000 



Commodity drain _ _ . 



207, 950 









—32, 460 



+28, 860 



+34, 190 



+32, 180 



+62, 770 









1, 975, 040 



2, 471, 220 



1, 648, 780 



1,850,540 



7, 945, 580 







All species: 



2, 022, 200 



2, 697, 620 



3, 456, 560 



3, 704, 520 



11,880,900 







Growth _ . . 



71,810 

 34, 480 



165. 850 

 42, 460 



199, 900 

 42, 340 



226, 540 

 35, 340 



664, 100 





154, 620 







Net increment - - 



37, 330 

 69,200 



123, 390 

 82, 310 



157, ,560 

 151,040 



191, 20O 

 164, 420 



509, 480 





467, 250 







Net change in growing stock.. 



-32, 150 



+41. 080 



+6, 520 



+26, 780 



+42, 230 







Growing stock Jan. 1, 1938. . -.. 



1, 990, 050 



2, 738, 700 



3, 463, 080 



3, 731, 300 



11,923, 130 







o 



44 



