Historic, archived document Do not assume content reflects current scientific knowledge, policies, or practices. TAN Pl a rr =N4U b STEEN eserveQdnited States Department Agriculture LM ty Lod 77 Forest Area and Timber Resource Statistics for State and Private Lands in New Mexico, 1980 Dorothy G Felt Velma J. Sterrett | id i Vi 9¥ 0 Ldid'sn Ed Gy 3S 1139 Paper AuVa _ Suntan) Sia! u THE AUTHORS DOROTHY G. FELT, was a Supervisory Statistical Assistant (retired) with the Forest Survey Research Work Unit at the Intermountain Forest and Range Experiment Station in Ogden, Utah. VELMA J. STERRETT is a Statistical Assistant with the Forest Survey Research Work Unit at the Intermountain Forest and Range Experiment Station in Ogden, Utah. ACKNOWLEDGMENTS The Intermountain Station gratefully acknowledges the cooperation of the New Mexico Division of State Forestry and State and Private Forestry, Forest Service, South- western Region. Appreciation is also expressed for the cooperation of other public agencies and private land- owners in providing information and access to the sample locations. RESEARCH SUMMARY The State of New Mexico contains 1,254,958 acres of commercial timberland in State and private ownership. These acres support more than 1.1 billion cubic feet of growing stock and 4.1 billion board feet of sawtimber. Additional information on total land area, commercial timberland area, timber inventory, and net annual growth and mortality based on Forest Survey standards is presented. Introduction Highlights Area Inventory Growth and Mortality How the Inventory was Conducted Data Reliability Terminology Land Water Land Use Classes Public Ownership Classes Private Ownership Classes Forest Type and Tree Species Area Condition Classes Productivity Stand-Size Classes Class of Timber Tree-Size Classes Volume CONTENTS FIGURES . Date of inventory by working circle, New AES AKeo) si at errgicv in Scepter ceetorel meno cee eae eae . Percent of total land area in New Mexico by OWnershipylOSON es neces se eines ace . Percent of commercial timberland in New Mexico by forest type, 1980 .............. . Percent of sound live tree volume in New Mexico by species, 1980 ................. FOREST SURVEY TABLES . Area of State and private forest land in New Mexico by type group, with percent standard Chroma OO Re seek ee nay eee eee oy teases . Net volume, net annual growth, and annual mortality of growing stock and sawtimber on State and private commercial timberland in New Mexico by softwoods and hardwoods, with percent standard error .............. . Total land and water area in New Mexico by ownership class, 1980 .................. . Total land area of State and private owner- ship in New Mexico by major land class and ownership class, 1980 .................. . Area of State and private commercial timberland in New Mexico by forest type, stand-size class, and productivity class, “UC e{O) Re roa tere ch 3 habits, AleeMeRttn pirate Gest cette eR BFeRE . Area of State-owned commercial timberland in New Mexico by forest type, stand-size class, and productivity class, 1980 ........ . Area of privately owned commercial timberland in New Mexico by forest type, stand-size class, and productivity class, TI LEO) ehesa Eee ce G eereatet che ESE EAES te, cy cere arte ern cone 0 ied) a (o) anajnaa»»a»nprhAHhARARRWWWONNDND — 10. 11. 12. 13. 14. 15. 16. te 18. 19. 20. Pil 22. 23. Area of State and private commercial timberland in New Mexico by stand volume and ownership class, 1980 ............... . Area of State and private commercial timberland in New Mexico by forest type and area condition class, 1980 ........... Area of State and private productive re- served and other forest land in New Mexico by land class, ownership class, and forest UX ISTE) rete sccit o Beene aplo cic HiceNEls Laan Number of growing stock trees on State and private commercial timberland in New Mexico by species and diameter class, 1980 Number of cull and salvable dead trees on State and private commercial timberland in New Mexico by ownership class, and soft- woods and hardwoods, 1980 ............. Net volume of growing stock on State and private commercial timberland in New Mexico by ownership class, forest type, and stand-size class, 1980 ............... Net volume of sawtimber on State and private commercial timberland in New Mexico by ownership class, forest type, and stana:sizerclassuulSG0Me ea ee aes soar Net volume of growing stock on State and private commercial timberland in New Mexico by species and diameter class, 1980 Net volume of sawtimber on State and private commercial timberland in New Mexico by species and diameter class, 1980 Net volume of growing stock and sawtimber on State and private commercial timberland in New Mexico by ownership class and SPECISS Hil GBOR en ae ars sissiay en citer Sages Net volume of timber on State and private commercial timberland in New Mexico by class of timber, and softwoods and handWwoods sW9SOR eee w ee aor cee ee Net volume of growing stock on State and private commercial timberland in New Mexico by forest type and species, 1980 .... Net volume of sawtimber on State and private commercial timberland in New Mexico by forest type and species, 1980 .... Net annual growth of growing stock and sawtimber on State and private commercial timberland in New Mexico by ownership class and species, 1979 ................. Annual mortality of growing stock and sawtimber on State and private commercial timberland in New Mexico by ownership class, and softwoods and hardwoods, 1979 . Annual mortality of growing stock and sawtimber on State and private commercial timberland in New Mexico by cause of death ANGISPEClES ARON OIamcs eye iets eats censi eve Page 15 16 19 20 21 22 23 24 24 25 26 27 28 28 Ye o Forest Area and Timber Resource Statistics for State and Private Lands in New Mexico, 1980 £4. ay Dorothy G|Felt \v Velma eigrerrett INTRODUCTION This resource bulletin presents the principal findings of the second Statewide inventory of State and private lands in New Mexico. The first inventory, conducted in 1962, did not sample counties intensively nor were the findings reported at a county or working circle level. Fieldwork for the second cycle, conducted by personnel from the New Mexico Division of State Forestry and the Forest Survey Research Work Unit at the Intermountain Forest and Range Experiment Station in Ogden, Utah, began in 1970 and was completed in 1980 (fig. 1). To allow for meaningful comparisons the data for those working circles inventoried early in the cycle were up- dated to 1980. Thus, the information reported here will differ from totals obtained by adding the statistics con- tained in the individual working circle reports. The primary objective of Forest Survey, a continuing nationwide undertaking conducted by the Forest Service, U.S. Department of Agriculture, is to provide an assess- ment of the renewable resource situation for forest and range lands of the Nation. Fundamental to the accom- plishment of this objective are the periodic State-by- State resource inventories. Originally, Forest Survey was NEW MEXICO Mey DATE OF INVENTORY CATRON INDIVIDUAL COUNTY SURVEYS 80 MILES ORA i 1970 RARDING 3 VALENCIA COUNTY,AS SHOWN IN THIS REPORT, IS NOW DIVIDED INTO VALENCIA AND CIBOLA COUNTIES. Figure 1.— Date of inventory by working circle, New Mexico. authorized by the McSweeney-McNary Act of 1928. The current authorization is through the Renewable Resources Research Act of 1978. The resource inventories for the Rocky Mountain States of Arizona, Colorado, Idaho, Montana, New Mexico, Nevada, Utah, Wyoming, western South Dakota, west Texas, and Oklahoma’s Panhandle are administered by the Intermountain Forest and Range Experiment Sta- tion with headquarters in Ogden, Utah. These inventories provide information on the extent and condition of State and privately owned forest lands, volume of timber, and rates of timber growth and mortality. These data, when combined with similar information on Federal lands, pro- vide a basis for the formulation of forest policies and programs and for the orderly development and use of the resources. HIGHLIGHTS Area e The forest land area is 6,998,934 acres or 15 percent of the total State and private land area in New Mexico (fig. 2). e Of the forest land, 1,254,958 acres, almost 18 per- cent, is classified as commercial timberland. e Private ownership accounts for 1,161,972 acres, over 92 percent of the commercial timberland. © Ponderosa pine, Douglas-fir, fir-spruce, and aspen are the predominant forest types and occupy 91 per- cent of the commercial timberland (fig. 3). © Over 71 percent of the commercial timberland is in the 20 to 49 cubic foot productivity class, and 92 per- cent of this is privately owned. NATIONAL FOREST SYSTEM 11.9% BUREAU OF LAND MGT. 16.5% INDIAN TRUST LANDS 9.7% STATE 114.9% REN NATIONAL PARKS 0.3% PRIVATE 49.7% Shaded area represents sampled tands Figure 2.—Percent of total land area in New Mexico by ownership, 1980. (In this publication the private ownership category includes farmer-owned and other private ownerships, a small acreage of county and municipal owner- ships and approximately 2.6 million acres of miscellaneous Federal ownership.) FIR-SPRUCE 15.3% 8.5% 16.6% HARDWOODS 0.6% PONDEROSA PINE 49.5% Figure 3.— Percent of commercial timberland in New Mexico by forest type, 1980. Inventory e Growing stock amounts to more than 1.1 billion cubic feet and sawtimber volume totals 4.1 billion board feet. In this report all reference to sawtimber volume is in International %-inch rule. e Ponderosa pine is the predominate species on 50 percent of the commercial timberland (fig. 3). e Rough, rotten, and salvable dead trees comprise over 101 million cubic feet, 8 percent of the total sound wood volume. e More than two-thirds of the growing stock volume is in ponderosa pine, Engelmann spruce, and Douglas- fir (fig. 4). e Private owners control 93 percent of both the total growing stock and sawtimber volume. DOUGLAS-FIR 15.9% ENGELMANN 13.1% OTHER SOFTWOODS 2.0% PONDEROSA PINE 35.9% ASPEN 13.7% OTHER HARDWOODS 0.6% Figure 4.—Percent of sound live tree volume in New Mexico by species, 1980. Growth and Mortality e Net annual growth of growing stock totals 27.9 million cubic feet and 118.2 million board feet. e About 94 percent of the total net growth is on private lands. e The annual mortality of 1.9 million cubic feet offsets 6 percent of the gross annual growth. HOW THE INVENTORY WAS CONDUCTED The inventory was designed to provide reliable statistics primarily at the State and working circle levels. Procedures were: 1. Initial area estimates were based on the classifica- tion of 336,171 sample points systematically placed on the latest aerial photographs available. The sample points were summarized and grouped into strata for subsequent field sampling. The photo points, adjusted to meet known land areas, were used to compute area ex- pansion factors for the field stratum means. 2. Landclassification and estimates of timber charac- teristics and volume were based on observations and measurements recorded at 1,709 ground sample loca- tions of which 1,427 were forested. Sample trees were selected using a 10-point cluster, which includes fixed plots (1/300 acre) for trees less than 5.0 inches diameter at breast height (d.b.h.) and variable plots (40 basal area factor) for trees 5.0 inches d.b.h. or larger. 3. Equations prepared from detailed measurements collected on trees throughout the Southwest were used to compute the volume and defect of individual tally trees. 4. All photo and field data were sent to Ogden, Utah, for editing and were punched onto cards and stored for machine computing, sorting, and tabulation. Final esti- mates were based on statistical summaries of the data. DATA RELIABILITY Individual cells within tables should be used with cau- tion. Some are based on very small sample sizes, and so result in high sampling errors. The standard error per- cents shown in tables 1 and 2 were calculated at the 67 percent confidence level. Table 1.--Area of State and private forest land in New Mexico by type group, with percent standard error, 1980 Percent Item Softwood type Hardwood type All types standard error --- oe ee ee ee ee ee Acres - - ------------- Commercial timberland 1,127,304 127 ,654 1,254,958 aaa Productive reserved 438 790 1,228 Other forest land: Unproductive reserved 37 ,906 4,885 42,791 Unproductive nonreserved 5,120,828 579,129 5,699,957 Table 2.--Net volume, net annual growth, and annual mortality of growing stock and sawtimber on State and private commercial timberland in New Mexico by softwoods and hardwoods, with percent standard error Item Softwoods Net volume, 1980 Growing stock (M cubic feet) Sawtimber (M board feet!) 986 ,309 3,807,205 Net annual growth, 1979 Growing stock (M cubic feet) 23 473 Sawtimber (M board feet!) 105 ,039 Annual mortality, 1979 Growing stock (M cubic feet) 1,570 Sawtimber (M board feet!) 5,963 1International 1/4-inch rule. Percent Hardwoods All species standard error -------- Volume - - ------------ 164,958 Sd 267 Onl 334,754 4,141,959 +45 4,476 27,949 +4,4 13,204 118,243 +5.8 294 1,864 +19.6 658 6,621 +21.5 TERMINOLOGY The following section contains definitions that are relevant to the timber resource data presented in this resource bulletin. Land Area of dry land and land temporarily or partly covered by water, such as marshes, swamps, and river flood plains; streams, sloughs, estuaries, and canals less than 120 feet in width; and lakes, reservoirs, and ponds less than 1 acre in size. Water Streams, sloughs, estuaries, and canals more than 120 feet in width; and lakes, reservoirs, and ponds more than 1 acre in size. Land Use Classes Forest land.—Land at least 10.0 percent stocked by forest trees of any size, or formerly having had such tree cover, and not currently developed for nonforest use. Commercial timberland.—Forest land producing or capable of producing crops of industrial wood and not withdrawn from timber utilization. (Areas qualifying have the capability of producing in excess of 20 cubic feet per acre per year of industrial wood in natural stands. Cur- rently inaccessible and inoperable areas are included.) Productive-reserved forest land.—Forest land suffi- ciently productive to qualify as commercial timberland, but withdrawn from timber utilization through statute, ad- ministrative designation, or exclusive use for Christmas tree production. Other forest land.—Forest land incapable of producing 20 cubic feet per acre per year of industrial wood in natural stands because of adverse site conditions; in- cludes both reserved and nonreserved forest land. Nonforest land.—Land that has never supported forests and lands formerly forested where use for timber management is precluded by development for other uses. Public Ownership Classes National Forest lands.—Federal lands legally designated as National Forest or purchase units and other lands under the administration of the Forest Serv- ice, including experimental areas and Bankhead-Jones Title Ill lands. Bureau of Land Management lands.—Federal lands ad- ministered by the Bureau of Land Management. Miscellaneous Federal lands.—Federal lands other than (1) National Forest lands; (2) lands administered by the Bureau of Land Management; and (8) Indian trust lands. Indian trust lands.—\ndian lands held in trust by the Federal Government, for Indian tribal groups or for in- dividual allotments. State lands.—Lands owned by State or lands leased to the State for 50 years or more. County and municipal! lands.—Lands owned by coun- ties and local public agencies or municipalities, or lands leased to these governmental units for 50 years or more. Private Ownership Classes Forest industry lands.—Lands owned by companies or by individuals operating wood-processing plants. Farmer-owned lands.—Lands owned by farm opera- tors. These exclude lands leased by farm operators from such nonfarm owners as railroad companies and States. Other private lands.—Privately owned lands other than forest industry and farmer-owned lands. Forest Type and Tree Species Forest types.—A classification of forest land based upon the species forming a plurality of live-tree stocking. Forest trees.—Woody plants having a well-developed stem and usually more than 12 feet in height at maturity. Commercial species.—Tree species presently or pro- spectively suitable for industrial wood products. Softwoods.—Monocotyledonous trees, usually evergreen having needles or scalelike leaves. Hardwoods.—Dicotyledonous trees, usually broad- leaved and deciduous. Area Condition Classes Stocking.—Stocking is an expression of the extent to which growing space is effectively utilized by present or potential growing stock trees of commercial species. “Percent of stocking” is synonymous with “percentage of growing space occupied” and means the ratio of ac- tual stocking to full stocking for comparable sites and stands. Basal area is used as a basis for measuring stocking. “Stocking percentages” express Current area occu- pancy in relation to specified standards for full stocking based on number, size, and spacing of trees considered necessary to fully utilize the forest land. Full utilization of the site is assumed to occur over a range of basal area. As an interim guide, 60 percent of normal yield table values has been used to establish the lower limit of this range, which represents full-site oc- Cupancy, and equals 100-percent stocking. The upper limit of full stocking has been set at 132 percent. Class 10.—Areas fully stocked (100 to 132 percent) with desirable trees and not overstocked (133 percent or more). Class 20.— Areas fully stocked with desirable trees, but overstocked with all live trees. Class 30.—Areas medium to fully stocked (60 to 99 percent) with desirable trees and with less than 30 per- cent of the area controlled by other trees and/or inhibit- ing vegetation or surface conditions that will prevent oc- cupancy by desirable trees. Class 40.—Areas medium to fully stocked with desirable trees and with 30 percent or more of the area controlled by other trees and/or conditions that ordinarily prevent occupancy by desirable trees. Class 50.—Areas poorly stocked (16.7 to 59 percent) with desirable trees, but fully stocked with growing stock trees. Class 60.—Areas poorly stocked with desirable trees, but with medium to full stocking of growing stock trees. Class 70.— Areas nonstocked (less than 16.7 percent) or poorly stocked with desirable trees, and poorly stocked with growing stock trees. Class 80.—Low-risk old-growth stands. Class 90.—High-risk old-growth stands. Nonstocked.—Areas less than 16.7 percent stocked with growing stock trees. Productivity Productivity class.—A classification of forest land in terms of potential growth in cubic feet of fully stocked natural stands. Stand-Size Classes Sawtimber stands.—Stands at least 16.7 percent stocked with growing stock trees, with half or more of total stocking in sawtimber or poletimber trees, and with sawtimber stocking at least equal to poletimber stocking. Poletimber stands.—Stands at least 16.7 percent stocked with growing stock trees in which half or more of this stocking is in poletimber and/or sawtimber trees, and with poletimber stocking exceeding that of sawtimber. Sapling-seedling stands.—Stands at least 16.7 percent stocked with growing stock trees in which more than half of the stocking is saplings and/or seedlings. Nonstocked land.—Commercial timberland less than 16.7 percent stocked with growing stock trees. Class of Timber Growing stock trees.—Live trees of commercial species qualifying as desirable or acceptable trees. (Ex- cludes rough, rotten, and dead trees.) Desirable trees.— Growing stock trees (1) having no serious defect in quality to limit present or prospective use for timber products; (2) of relatively high vigor; and (3) containing no pathogens that may result in death or serious deterioration before rotation age. Acceptable trees.— Growing stock trees meeting specified standards of size and quality, but not qualify- ing as desirable trees. Rough trees.—(1) Live trees that do not contain at least one 12-foot saw log or two noncontiguous saw logs, each 8 feet or longer, now or prospectively, and/or do not meet Rocky Mountain regional specifications for freedom from defect primarily because of roughness or poor form; and (2) all live trees of noncommercial species. Rotten trees.—Live trees that do not contain at least one 12-foot saw log or two noncontiguous saw logs, each 8 feet or longer, now or prospectively, and/or do not meet Rocky Mountain regional specifications for free- dom from defect primarily because of rot; that is, when more than 50 percent of the cull volume (cubic-foot basis) in a tree is rotten. Salvable dead trees.—Standing or down dead trees that are considered merchantable by Rocky Mountain regional standards. Saw-log portion.—That part of the bole of sawtimber trees between the stump and the saw-log top. A 1-foot stump is used. Upper-stem portion.— That part of the bole of saw- timber trees above the saw-log top to a minimum top dia- meter of 4.0 inches outside bark or to the point where the central stem breaks into limbs, whichever occurs first. Tree-Size Classes Seedlings.—Live trees less than 1.0 inch d.b.h. Saplings.—Trees 1.0 to 4.9 inches d.b.h. Poletimber trees.—Trees at least 5.0 inches d.b.h., but smaller than sawtimber size. Sawtimber trees.—Trees exceeding poletimber size. In the Intermountain States, the minimum d.b.h. for soft- wood sawtimber is 9.0 inches and for hardwoods 11.0 inches. Volume Cull volume.—Portions of a tree’s volume that are not usable for industrial wood products because of rot, poor form, or other defect. Net volume.—Gross volume less deductions for cull. Growing stock volume.—Net volume in cubic feet of live sawtimber trees and live poletimber trees from stump to a minimum 4.0-inch top (of central stem) out- side bark. Net volume equals gross volume less deduc- tion for rot and missing bole sections. Sawtimber volume.—Net volume in board feet of sawtimber trees of commercial species. Net volume equals gross volume less deduction for rot, sweep, crook, and other defects that affect use for lumber. Growth and Mortality Net annual growth.—The increase in net growing stock or sawtimber volume of a specified size class fora specific year. (Components of net annual growth include the increment in net volume of trees at the beginning of the specific year surviving to its end, plus the net volume of trees reaching the size class during the year, minus the net volume of trees that died during the year, minus the net volume of trees that became rough or rotten trees during the year.) Mortality.—Number or sound-wood volume of growing stock trees dying from natural causes during a specified period, usually annually. FOREST SURVEY TABLES Table 3.--Total land and water area in New Mexico by ownership class, 1980 Ownership class Area - - - Acres - - - Land: National Forest! 9,230,765 Bureau of Land Management 12,836,240 National Park? 246 ,800 Indian trust lands TES OU CO), State 9,223,939 Private? SoROUSRS or, Total land area 77,654,368 Census water 164 ,851 Total land and water’ 77,819,219 1Tncludes National Grasslands administered by the Forest Service. 2Not included with miscellaneous Federal ownership, a category of private, for purposes of clarity. 30n this and all following tables, the private ownership category includes farmer-owned and other private ownerships, a small acreage of county and municipal ownership, and approximately 2.6 million acres of miscellaneous Federal ownership. Also includes the recent transfer of 100,000 acres of private land to the National Forest System (Valle Vidal-Carson National Forest). 4U.S. Bureau of the Census, land and water area of the United States, 1980. Table 4.--Total land area of State and private ownership in New Mexico by major land class and ownership class, 1980 Land class Commercial timberland Productive reserved forest land Other forest land: Unproductive reserved Unproductive nonreserved Total forest land Nonforest land Total land area Ownership class State 921,986 688 Ale 8S LE OZGr lik Velsl 5632 850925307 P5CZS SIS Private Ley hOL 972 540 31,006 4,673,784 OOM S02 Si 425059 38),009.;357 Total 12543956 1,228 42,791 515099)19'5)7 6,998,934 40,834,362 47,833,296 Table 5.--Area of State and private commercial timberland in New Mexico by forest type, stand-size class, and productivity class, 1980 Productivity class Forest type and Total stand-size class 120+ 85-119 50-84 90-49 acres ------------- Acres ------+---+---- Douglas-fir: Sawtimber -- D6 WY 39,094 87,217 131,488 Poletimber -- -- 10,051 37,529 47 ,580 Sapling and seedling -- -- SEZ 23,285 26,410 Nonstocked -- -- -- I Ql 1,971 Total -- By aulV/7/ SACO 150,002 207,449 Ponderosa pine: Sawtimber -- 2,801 76,296 396,979 476,076 Poletimber -- -- 10,238 75,.03a 85,869 Sapling and seedling -- -- 2,283 13,710 15,993 Nonstocked -- -- -- 43,210 43,210 Total -- 2,801 88,817 529,530 621,148 Southwestern white pine: Sawtimber -- -- 670 -- 670 Poletimber -- = == =f ss Sapling and seedling -- -- = = ae Nonstocked -- = ve xe ate Total as == 670 -- 670 Spruce-subalpine fir: Sawtimber -- 51/5 55,947 40,839 102,361 Poletimber -- -- NO 327 9,644 19,971 Sapling and seedling -- 1,806 -- 9,877 11,683 Nonstocked -- -- -- -- -- Total -- PSS 66,274 60,360 134,015 Limber pine: Sawtimber 2,643 -- eyl55 -- 3,798 Poletimber -- a Sapling and seedling -- — = =i oe Nonstocked -- -- -- -- -- Total 2,643 -- l55 -- 3,798 White fir: Sawtimber -- 4,676 23,376 15,904 43,956 Poletimber -- -- 644 -- 644 Sapling and seedling -- -- -- Se 50 3650 Nonstocked -- -- 613 1,970 72, SSS Total -- 4,676 24 ,633 21,384 50,693 (con. ) Table 5. (con. ) Productivity class Forest type and Total ------- - - ee eee Acres - ----------- Engelmann spruce: Sawt imber -- 7 Mov 10,341 10,031 27,539 Poletimber -- 670 4,713 15,482 20,865 Sapling and seedling -- -- Tas COMI 929 9,146 Nonstocked -- -- -- 662 662 Total -- TE837; (ARCA 28,104 ben cike Pinyon-juniper: Sawtimber -- -- 123 223193 222316 Poletimber -- -- -- 105353 110),353 Sapling and seedling -- -- -- 9,396 9,396 Nonstocked -- -- -- 9,254 9,254 Total -- -- 123 51,196 5leo19 Aspen: Sawtimber -- 2,824 40,401 13,119 56,344 Poletimber 611 5,509 8,878 Syillis Snoyls) Sapling and seedling -- -- 9,666 30,143 39 ,809 Nonstocked -- a= ee a eh Total 611 8,333 58,945 Bile 119,666 Cottonwood: Sawtimber -- 631 -- 2,982 4,613 Poletimber -- -- 1,882 729 A oulla Sapling and seedling -- -- an Se Be Nonstocked -- -- -- 661 661 Total -- 186311 1,882 4,372 7,885 Mixed hardwoods: Sawtimber -- -- -- 103 103 Poletimber Se = aie aie fe Sapling and seedling -- -- 36 a5 Ze Nonstocked == Se ae Ls? $5 Total -- -- -- 103 103 All types: Sawtimber 2,643 29,851 247,403 589,367 869,264 Poletimber 611 6,179 46,733 157,883 211,406 Sapling and seedling -- 1,806 Bese 91,850 115,947 Nonstocked -- -- 613 SM As) 58,341 Total 3,254 37 ,836 317,040 896,828 1,254,958 Table 6.--Area of State-owned commercial timberland in New Mexico by forest type, stand- size class, and productivity class, 1980 Forest type and stand-size class Douglas-fir: Sawtimber Poletimber Sapling and seedling Nonstocked Total Ponderosa pine: Sawtimber Poletimber Sapling and seedling Nonstocked Total Southwestern white pine: Sawtimber Poletimber Sapling and seedling Nonstocked Tota] Spruce-subalpine fir: Sawtimber Poletimber Sapling and seedling Nonstocked Total Limber pine: Sawtimber Poletimber Sapling and seedling Nonstocked Total White fir: Sawtimber Poletimber Sapling and seedling Nonstocked Total Productivity class 85-119 10 50-84 3,082 654 234 3,970 (con. ) Table 6. (con.) Forest type and stand-size class Engelmann spruce: Sawtimber Poletimber Sapling and seedling Nonstocked Total Pinyon-juniper: Sawtimber Poletimber Sapling and seedling Nonstocked Total Aspen: Sawtimber Poletimber Sapling and seedling Nonstocked Total Cottonwood: Sawtimber Poletimber Sapling and seedling Nonstocked Total Mixed hardwoods: Sawtimber Poletimber Sapling and seedling Nonstocked Total All types: Sawtimber Poletimber Sapling and seedling Nonstocked Total Productivity class Total 85-119 50-84 20-49 dene. Acres - -------+------ 1,295 RS il 2,259 4,865 5 140 2,661 2,806 -- 3 OM M7, 1 318 = 35 7 7 1-300 Profi DC 4,944 8,996 -- -- 854 854 -- -- 276 276 -- -- 1,093 1,093 -- -- 263 263 -- -- 2,486 2,486 92 2,560 427 3,079 196 Weioul 411 1,858 -- 831 SAS 4,244 288 4,642 4,251 9,181 110 -- 123 233 -- 94 37 131 28 ae 6 6 110 94 166 370 2,041 14,500 40,278 56,844 201 3,909 15320 19,430 91 COZ 10,053 125556 -- -- 4,156 4,156 Boxe) 20,821 69,807 92,986 11 Table 7.--Area of privately owned commercial timberland in New Mexico by forest type, stand-size class, and productivity class, 1980 Productivity class Forest type and Total stand-size class 120+ 85-119 50-84 20-49 acres --------------- Acres - - -------------- Douglas-fir: Sawtimber -- SZ 37,035 83esiiii 125,534 Poletimber -- -- 8,653 32 ,887 41,540 Sapling and seedling -- -- 2,864 20,126 22,990 Nonstocked -- -- -- 1,736 T86 Total -- DelZeZ 48,552 138,126 191,800 Ponderosa pine: Sawtimber -- 2,494 T3374 367,261 441,129 Poletimber -- -- 555i! 69,700 TI25i: Sapling and seedling -- -- 2,264 25652 14,916 Nonstocked -- -- -- 39,799 39,799 Total -- 2,494 83,189 489,412 57/5095 Southwestern white pine: Sawtimber -- == 664 se 664 Poletimber -- -= Se = ae Sapling and seedling -- -- = = it: Nons tocked SE, O° eRe Ee tee OE Total -- -- 664 -- 664 Spruce-subalpine fir: Sawtimber -- 5,458 535/37 39,409 98 ,604 Poletimber -- -- 9,988 8,282 18,270 Sapling and seedling -- WTS -- 9,218 10,933 Nonstocked = ee ae tee ae Total -- PENS 63,725 56,909 127,807 Limber pine: Sawtimber 2,618 -- Ie WS} -- 35/8 Poletimber -- -- -- -- -- Sapling and seedling -- -- -- -- -- Nonstocked -- -- -- -- -- Total 2,618 -- lets -- Seo White fir: Sawtimber -- 4,611 21,986 A Cah 40,874 Poletimber -- -- 644 -- 644 Sapling and seedling -- -- -- 2,856 2,856 Nonstocked -- -- 613 1,736 2,349 Total -- 4,611 23,243 18,869 46,723 (con. ) 12 Nablie 72(con. ) Productivity class Forest type and Total stand-size Class 120+ 85-119 50-84 20-49 acres ------- ee ee ee ee Acres - -------------- Engelmann spruce: Sawtimber -- 5 Oe 9,030 Tari 22,674 Poletimber -- 665 4,573 U2 Rey 18,059 Sapling and seedling -- -- 596 eOnr2 7,828 Nonstocked -- -- -- 655 655 Total -- 65007, 19,519 2360 49,216 Pinyon-juniper: Sawtimber -- -- 123 21,339 21,462 Poletimber -- -- -- 105077 10,077 Sapling and seedling -- -- -- 8,303 8303 Nonstocked -- -- -- 8,991 8,991 Total -- -- 123 48,710 48 ,833 Aspen: Sawtimber -- Cr 3 37,841 12,692 53,265 Poletimber 611 a Soule’ OCT 8,104 2655 Sapling and seedling -- -- 85835 26,730 35,5569 Nonstocked -- -- -- -- -- Total 611 8,045 54,303 47,526 110,485 Cottonwood: Sawtimber -- W521 -- 2,859 4,380 Poletimber -- -- 1,788 692 2,480 Sapling and seedling -- -- -- -- -- Nonstocked -- -- -- 655 655 Total -- ee 5 2a 1,788 4,206 7.5515 Mixed hardwoods: Sawtimber -- = ae 103 103 Poletimber ae ae she we ae Sapling and seedling -- -- = i oe Nonstocked Bc — ee ul a Total -- -- -- 103 103 All types: Sawtimber 2,618 27,810 232,903 549,089 812,420 Poletimber 611 5,978 42,824 W4a2563 191,976 Sapling and seedling -- LHS 19,879 81,797 103,391 Nonstocked -- -- 613 Sig WZ 54,185 Total 3,229 35 ,503 296,219 8278021 1,161,972 13 "O[Nd YOUL-p/T LeUOLzeuUsazUT , 896° 7S2°T 2L6°19T‘T 986° 26 sasseLo LLY 996“ ve 961° vE OLL Q40W UO 7994 P4eog QOO*OI 89b° 161 GES *O8IT €€6°OI 7994 Ppueog 666°6 92 000‘S 612° S9S 989°12S C€0° ty 7994 P4eog 666‘r 07 00S‘T GO08* 29P GSS°S2v OS2°LE 7904 pueog QOS*T ueYyz ssa] ----------- SUN -- - 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- ----------- State: Douglas-fir 23,990 6,475 2,/96 203 33,464 Ponderosa pine 108 ,634 8,377 389 3,050 120,450 Southwestern white pine 27 -- -- -- 27 Spruce-subalpine fir 28,120 2,085 879 -- 31,084 Limber pine 414 -- -- -- 414 White fir 12,917 -- 528 215 13,660 Engelmann spruce 24,773 7,505 3,388 3 35 ,669 Pinyon-juniper 762 253 169 65 1,249 Aspen 13,381 4,948 1,672 -- 20,001 Cottonwood 1,380 34 -- 10 1,424 Mixed hardwoods == == oo a == All types 214,398 29,677 9,821 3,546 257,442 Private: Douglas-fir 735 ,383 61,208 24,563 1,500 822,654 Ponderosa pine 1,350,213 88 ,736 10,237 335552 1,482,738 Southwestern white pine 3,279 -- -- -- 3,279 Spruce-subalpine fir 622 ,863 30,385 LA S29 -- 664,377 Limber pine 20,853 -- -- -- 20,853 White fir 192,617 1,012 2,305 2,671 198 ,605 Engelmann spruce 141,217 47,470 18,110 304 207,101 Pinyon-juniper 21,009 9,923 2,582 2,305 35,819 Aspen 342 ,356 55 ,813 24,044 -- 422,213 Cottonwood 25,142 642 -- 1,020 26 804 Mixed hardwoods 74 -- -- -- 74 All types 3,455,006 295,189 92,970 41,352 3,884 517 State and private: Douglas-fir USKSVIS 67,683 27,359 L703 856,118 Ponderosa pine 1,458 ,847 Delt3 10,626 36 ,602 1,603,188 Southwestern white pine 3,306 -- -- -- 3,306 Spruce-subalpine fir 650,983 32,470 12,008 -- 695,461 Limber pine 21,267 -- -- -- 21,267 White fir 205 534 1,012 2,833 2,886 22265 Engelmann spruce 165,990 54,975 21,498 307 242,770 Pinyon-juniper AuSTII 10,176 Ceo 2,370 37 ,068 Aspen 355 :5/1/3i1 60,761 255/16 -- 442,214 Cottonwood 26,522 676 -- 1,030 28,228 Mixed hardwoods 74 -- -- -- 74 All types 3,669,404 324 ,866 102,791 44 ,898 4,141,959 lInternational 1/4-inch rule. 21 Z9@*TST°l vll‘02 666 vOO'DT EI*82 LvE‘OD 8I8°hh 626°8L OTL*BOI B2z*ESt OLOEST 26°61 PLL°S/T 8bb°S6 Sseloeds {Ly gge"p9T IST 2b OE 8S 918 9Gh°T OIS°S G69°OT G6O8°ZT El2°€2 EIT°9E O60'bP G60T*H2 Spoompaey [eq0L 21S = =e = v2 €2 = = L€ = 611 eve 92 SpOOMP4eY 49yI0 10b‘9 ist dp . 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LeLOUSWWOD ayeALUd puke aze1S UO AaqulLymes pue 4907S HuLmMoub Jo AZL[LeYUOW | eNUUY--°Z2 aLgGeL 28 129°9 859 6€ 619 €96°S 102 p6S°T 62€ Sv DES ELT LezOL 9IT ze = ae 9IT aS 9TI Ze as = Se But 6607 IZL‘€ 955 6€ LTS GI2‘e 862 9b 261 oe L06‘I ra umMou Up] -- -- -- -- -- -- -- -- -- -- -- uotssauddns 922 me oo oe 922 oe 68 = Gy 26 2S 4ay7} eam So =- a == -- == -- == -- -- -- | CWL UY €62°T ae = 22 €62°T Ste 162 25 oe 168 GOT aly boy Z0T Oe 201 2ve ae 9G2 oe ao 98 5 aseas lq TLL a5 Se 8 IZL €0v 96 LET 2s GET =e $yoasu] - rr tt te ee ee ee = = OLN YOUL-p/T LeuolLyeuuazUyT *}Jaa4f PUueog puesnoy] - - - - ------------ YIGWILMYS p98°T p62 l 182 OLS‘T OvT 6€v IIT 21 ELL 6 [eyO] 002 9 = 9 9ET == 82 a4 Se 801 oe Butb607 106 201 l G6 66 LS 2&2 €8 => 68 8e UMOUUf} Il -- -- -- Il -- -- -- -- LE -- uoLtssauddns S =o = oS pS 22 12 = rz 12 22 4ay7 eam -- -- -- -- -- -- -- -- -- -- -- | CWLUY G2e 2a a oo GZe == 99 ae So 202 LS aL 4 GST 69 oe 69 98 oc 69 oe a a 2s aseaslg 812 6S Oo 6S 6SI1 €8 €2 82 oe G2 == $y9asu] -- 55 re ee ee eee ee = = - - - Faas DEGND puesnoy, - - ---------------------- AIOLS SNIMOYD auld SpOOMpuey sSpoompuey SpOOM340S gonads JED. ALL 37 LUM auld zs SoLoews hy [e701 4au10 Udy [PO] uuew,abuq ayLymM auldyeqns uuaqysam esouapuod Ags 90a yxeap 40 asne} ~Y4zNOS SaLoads 6/61 ‘Saloads pue yzeap $0 asned Aq OOLXdW MAN UL PURLYAaqULZ [PLOVAWWOD |ZeALUd puke 9zeIS UO UaquiLyMes pue 4907S BuLMOUH Jo ALI eJUOW | eNUUY--"¢EZ aL gel 29 U.S. GOVERNMENT PRINTING OFFICE: 1983—676-032/1023 REGION NO. 8 sv “ \ ar t re Coamy 9 H t j } OD i j ta) i i : Na ba a, tae i if. “> La Pe ie | oe 1 eh 1 | f be oe ve a ri t Se 19, Aan f ; 1 a/ aa | ‘y! Oh eo mF Te i. ¥ oe 7 { fais a py ¢ aay i Oo eae { ‘ n ee ta y we i i Nai } ican ht ee out : ; , et eas Se, Pe } 4 ‘ eT a } } «a! yh aa 5 i 19 ; oF aa ne ; i Livbatt } a M : * yy Ga v : te 74 Pa 2) rt ; $ Wii L% eS bz . hs nes ss af ve i, < 7 ae ; b Vie , a “ly y i ‘ Z } ots Ge l “rn | #4 hi Rina! ve t 1 t bey ‘ee: , i ira i i ‘ Noss 7 a } i i P ‘4 { 9 od favs } | pire i , Nan } : i Ht } ) ) A 3 ey om 2 Dg py Wl con Lat Se fo toe rd te h 4 \ > : Rs Wi Felt, Dorothy G.; Sterrett, Velma J. Forest area and timber resource statistics for State and private lands in New Mexico, 1980. Resourc. Bull. INT-32. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station; 1983. 29p. Presents land area, commercial timberland area, timber inventory, and growth and mortality data based on Forest Survey standards. KEYWORDS: forest surveys (regional), forest area classification, stand volume The Intermountain Station, headquartered in Ogden, Utah, is one of eight regional experiment stations charged with providing scien- tific knowledge to help resource managers meet human needs and protect forest and range ecosystems. The Intermountain Station includes the States of Montana, Idaho, Utah, Nevada, and western Wyoming. About 231 million acres, or 85 percent, of the land area in the Station territory are classified as forest and rangeland. These lands include grass- lands, deserts, shrublands, alpine areas, and well-stocked forests. They supply fiber for forest industries; minerals for energy and in- dustrial development; and water for domestic and industrial con- sumption. They also provide recreation opportunities for millions of visitors each year. Field programs and research work units of the Station are main- tained in: Boise, Idaho Bozeman, Montana (in cooperation with Montana State University) Logan, Utah (in cooperation with Utah State University) Missoula, Montana (in cooperation with the University of Montana) Moscow, Idaho (in cooperation with the University of Idaho) Provo, Utah (in cooperation with Brigham Young Univer- sity) Reno, Nevada (in cooperation with the University of Nevada)