Table 50. — Herbage and browse production by ownership and ecosystem, 1970 



(Thousand tons per year) 

 [Totals may not add due to rounding] 



Ecogroup by ecosystem 



National 

 Forest 

 System 



Other 



Federal 



land 



Non- 

 Federal 

 land 



All 

 ownerships 



Western Range: 



Sagebrush 



Desert shrub 



Southwestern shrubsteppe . 

 Chaparral-mountain shrub 



Pinyon-juniper 



Mountain grasslands 



Mountain meadows 



Desert grasslands 



Annual grasslands 



Alpine 



Total 



Western Forest: 



Douglas-fir 



Ponderosa pine 



Western white pine 



Fir-spruce 



Hemlock-Sitka spruce 



Larch 



Lodgepole pine 



Redwood 



Hardwoods 



Total 



Great Plains : 



Shinnery 



Texas savanna 



Plains grasslands 



Prairie 



Total 



Eastern Forest : 



White-red-jack pine 



Spruce-fir 



Longleaf-slash pine 



Loblolly-shortleaf pine 



Oak-pine 



Oak-hickory 



Oak-gum-cypress 



Elm-ash-cottonwood 



Maple-beech-birch 



Aspen-birch 



Wet grasslands 



Total 



Grand Total 



4,209 

 28 



119 

 2,634 

 1,722 

 7,239 

 2,794 



358 



26,931 

 7,667 

 1,345 

 5,481 

 1,362 

 5,275 



219 

 2,479 



594 

 9 



4,700 

 1,796 

 2,061 

 3,445 

 1,850 

 48,343 

 2,470 

 3,643 

 6,292 



19,192 



7,394 



6,017 

 241 



3,528 

 375 

 887 



2,038 

 1 



2,578 



51,362 



1,439 



524 



2 



334 



116 



52 



274 



32 



674 



74,600 



7,502 



5,221 



37 



799 



1,779 

 402 

 451 

 311 



9,052 



23,060 



90 



5 



2,475 



402 



3,447 



3 



77 



5,437 



232 



25,554 



834 



8,270 



83,496 



53,618 



2,971 



5,749 



146,218 



756 



592 



405 



1,288 



17 



3 



2,507 



3,828 



135 



497 

 110 

 164 

 373 

 131 

 10 

 180 

 290 

 7,040 



11,019 

 7,336 

 6,021 



20,980 

 1,792 

 5,487 



27,577 



29,868 

 4,915 



9,530 



8,794 



114,996 



35,840 

 9,491 

 3,526 



11,559 

 4,934 



60,858 



5,482 



6,481 



6,886 



97 



145,154 



16,335 



11,762 



280 



4,662 



2,270 



1,341 



2,763 



344 



12,304 



52,060 



927 



8,352 



91,408 



54,252 



154,938 



12,272 



8,038 



6,590 



22,641 



1,940 



5.500 



30,264 



33,986 



12,090 



133,320 



54,753 



69,352 



361,368 



485,472 



134 



