206 THE OUTLOOK FOR TIMBER IN THE UNITED STATES: 



increases from the 1970 base for lumber are lumber. Use of roundwood nearly doubled for 



shown in the tabulation below: pulp products, and quadrupled for veneer and 



Percent increase in lumber yields per thousand P -Ly « , , . ... 



board feet of logs, International ]4-inch log rule Use 01 TOUndwOOd for miscellaneous industrial 



neiame price assumptions So/tooods ~^ ar ^^T" products and fuelwood declined during the 1950's 



~7 9 To~ mo eooo ~9W~^io ^oVo , and most °f the 1960's. It has been assumed, 



1970 relative prices > v io 12 2 3 4 however that ^the decline in consumption of these 



Rising relative prices ' 8 12 15 3 4 5 products has bottomed Ollt. 



Relative prices 30 percent 



abovel97 ° .11 12 13 4 4 4 Projected demand for Roundwood 



1 Includes a 5 percent increase resulting from the change in lumber 



standards in 1970. Projected roundwood demands are materially 



_ . . . . ,,, ... affected by the assumptions on population and 



It was assumed that plywood yields would also economic activity specified in the introductory 



increase by roughly the same amounts. section of this chapter. The range in projected 



As indicated in the above tabulation higher tota] demand for roU ndwood in 2000, for example, 



relative prices of timber products would be ex- at 1970 ices is from 19 5 bmion to 27 .i billion 



pected to accelerate improvements in utilization cubic feet (fi°- 77) 



because of competition for timber and increased " The me dium projection of demand reaches 16.4 



capability of manufacturers to finance new plant bi]lion cubic feet in 1980; ^^ a cont i nu ing rise to 



and equipment. . 22.8 billion cubic feet in 2000— some 1.6 times 



Pulp yields, as indicated in the section on pulp- consumption in 1972. Most of the projected 

 wood have been projected to rise about 7 percent growt h in demand is for pulp products, and pulp- 

 over the 30-year projection period in response to wood consequently accounts for nearly half of the 

 expected increases in the use of hardwoods and total deman d for roundwood in 2000. 

 technological developments. It was also estimated Projected demands are also materially affected 

 that use of plant residues and wastepaper would b the a i temat i ve price assumptions specified 

 approach the limits imposed by the amounts of earlier For example) the medium projections of 

 such material economically and physically dem and by 2000 ranges between 22.8 billion cubic 

 available. feet at 1970 price levels and 19 2 billion cubic feet 



With more rapid advances in development and ^^ risi re ] a ti ve prices (that is, 1.5 percent per 

 adoption of new technology, increases m product for ]umber; L0 percent for plywood, miscel- 



yields from available timber could, of course, be ] anec . U s products and fuelwood; and 0.5 percent 



higher than estimated for these projections. for paper and board)- Nearly all of the growth in 



Recent Trends in Roundwood Consumption demand under the latter price assumption would 



T -,«™ i tt o • j? A - 1. be lor pulpwood. 



In 1970 total U.S. consumption of timber With ] umber and pl yw0 od prices 30 percent 



products in terms of roundwood volume was 12.7 above the 1970 average , miscellaneous products 



billion cubic feet (table 150; Append. V, tables and f ue l W ood up 15 percent, and paper and board 

 30-32) , 52 Roundwood consumption rose to 14.2 - es 10 percen t higher, the medium projection 



billion cubic feet in 1972 a peak ma trend that of demand rises relatively slowly in the 1970's, 

 has risen from around 11 billion cubic feet in the 



early 1960's Roundwood consumption in 1972 Rounc Jwood consumption 1950-72, with 

 was also materially above the levels attained in 



the early 1900's when lumber use was at an all- projected demand under alternative 



time high and record volumes of fuelwood were assumptions to 2000 

 consumed. ^ 



A little over half of the roundwood consumed in ^^^^«^^^^™^^^^™^^^^«^^^^— 



1972 consisted of saw logs used for lumber. About / 



a third was used for pulp products. Eleven percent ,« " " "''' " oi "':°" Hl/ 



was used tor veneer and plywood. 1 he remaining i-i.. f . - / ^ 



7 percent was about equally divided between £ , . D .„,„d =i mo „u., . . 



miscellaneous industrial products and fuelwood. ^ 20 » ■ D '™°°'> - ! •'"» <"•"• ' / ^**f%n "-' 



In the years from 1950 to 1972 there was a 16 I '" ' lZ"" 3 o "JZlZ"' /^i^'>>*^^r^ : 



percent rise in the volume of roundwood used for z /^^i^^^C^f 



*" apparent consumption ^. tS^^f-^^'" 



62 Roundwood is derived both from the "growing stock" _^ ^. ^^-vx~~/ 



component of the forest (that is, live trees on commercial \j\s 



timberlands above 5.0 inches in diameter meeting certain io 5 



standards of soundness and quality) and from other o 



sources such as cull and dead trees and trees on noncom- "so i960 wc wso 1990 2000 



mercial and nonforest lands. Projected supplies of round- 

 wood from these sources are shown in Chapters II and III. Figure 77 



