Table 3. — Composition 



of each of the principal forest types, by species, 



expressed in 



percent of total gross cubic volume 



1 



Species 



Red gum- 

 water oak 



Hackberry 

 elm-ash 



Overcup 



oak-bitter 



pecan 



Cotton- 

 wood- 

 willow 



Cypress- 

 tupelo 



Water oak 



Mixed oak- 

 mixed 

 hardwood 



Pine hard- 

 wood 



Average 



(weighted), 



all types 



Red gum 



Percent 

 39.3 

 19.7 

 6.8 

 .4 

 .1 

 3.5 

 4.3 

 5.1 



Percent 



1.6 



9.4 



6.5 



.1 



. 1 



5.4 



1.2 



IS. 2 



.5 



9.0 



19.0 



1.2 



23.4 



.1 



.4 



.1 



Percent 

 0.6 

 8.4 

 36.5 

 P) 

 P) 

 34.9 

 .3 

 4.9 

 .1 

 1.8 

 2.6 



Percent 

 1.5 

 (?) 

 .1 



Percent 

 1.8 

 1.3 

 2.2 



P) 



Percent 



3.4 



66.9 



3.6 



2.0 



.7 



2.2 



1.3 



3.5 



1.0 



4.7 



1.9 



2.2 



2.4 



.1 



- P) 



P) 



Percent 

 17.3 

 14.9 

 3.9 

 17.2 

 9.6 

 1.9 

 .9 



Percent 

 12.5 

 8.7 

 2.7 

 10.7 

 4.0 



Percent 

 1.3.9 



Water oaks » 



Overcup oak. 



13.9 

 1.3 



.7 



12.3 



1.7 



6.0 



.4 

 3.8 

 4.6 



White oaks • 



Red oaks 5 __ _ _ _ _ 





Bitter pecan 



1.3 

 .5 

 .6 



4.2 



.1 

 4.0 



Sweet pecan... 





Green ash . . .. .. . 





White ash 



3.3 



2.8 



3.3 



4.8 



.7 



.1 



.1 



.3 



1.2 

 .9 



White elm 



4.8 



2.9 

 .1 



4.7 



.8 



.2 



.8 



P) 



.6 

 .1 



1.3 

 .5 

 .9 



3.1 



.3 



.8 



Rock or cedar elm . . 



Winged and red elm . 







2.8 



Hackberry . . .. 



3.3 

 .1 

 _ 2 



1.5 

 P) 



.1 

 P) 

 P) 



.5 



39.9 



52.4 



.6 



.1 



.2 



.5 



2.7 



40.2 



37.4 



5.0 

 4.2 

 5.4 

 2.4 



Cottonwood 





Willow 





Cypress . ... . 





Tupelo gum . 





Black gum . 



.2 



.1 



1.9 



.8 



1.0 



2.8 



(') 



.9 

 .4 

 .6 



6.9 



7.6 



.8 



3.0 



4.5 

 .5 





Hickory ... 







.5 

 .8 

 3 



Red maple and boxelder 



_ 2 



.8 

 .3 

 .9 



1.0 



Sycamore ... .. . 



Persimmon 



2.6 

 2.1 



1.1 

 2.5 



.6 

 1.5 

 .1 



.6 



.9 



2.1 





1 3 



Other hardwoods « 



Loblolly pine. ... . ...... 



.1 

 48.4 



2.3 













' Total gross cubic volume includes bark in stemwood of good trees 5 inches and over in diameter. 



* Chiefly water oak, bottom land red oak, and willow oak. 

 3 Less than 0.1 percent. 



* Cow oak, forked-leat white oak, and delta post oak. 



6 Chiefly cherrybark oak, southern red oak, and black oak. 

 8 Chiefly honeylocust, mulberry, and water locust. 



Table 4. — Distribution of forest area according to forest type and topographic situation 



Forest type 



Red gum-water oak 



Hackberry, elm-ash 



Overcup oak-bitter pecan 



Cottonwood-willo w 



Cypress-tupelo 



Water oak 



Mixed oak-mixed hardwood. 

 Pine-hardwood 



Total. 



All types, percent. 



Bottom land Terrace 



Acres 

 659, 900 

 386, 300 

 772, 400 

 30,500 

 11,000 

 135. 900 

 51, 400 



2, 047, 400 



Acres 

 10, 100 

 16. 000 

 21. 900 



1,700 

 59, 000 

 193, 700 

 2S, 600 



331, 000 



Swamp River margin 



Acres 



2,500 



1,700 



14, 300 



48, 900 



82, 400 



1,700 



151, 500 



Acres 

 9,500 



3,700 

 139, 600 



152, 800 



5.7 



All situations 



Acres 

 682, 000 

 404. 000 

 8i2, 300 

 219, 000 

 95, 100 

 194. 900 

 246, 800 

 28, 600 



2. 682. 70 



Percent 



25.4 

 15. 1 

 30.2 

 8.2 

 3.5 

 7.3 

 9.2 

 1.1 



Pure willow stands are commonly found on the low 

 banks along rivers or in swamps. 



The water-oak type grows on either wet gumbo 

 flats or the occasional clay ridges in the bottom 

 land, and in poorly drained, saucer-shaped depres- 

 sions on the terrace. On bottom-land situations, 

 bottom-land red oak and willow oak are the pre- 

 dominating individual species on flats and ridges, 

 respectively. On the terrace, willow oak with some 



admixed water oak are the principal species. The 

 mixed oak-mixed hardwood type is characteristic 

 of the better terrace soils, but this type exists also in 

 the bottom lands, where it is largely restricted to 

 the reddish Portland and Miller soils in the Bayou 

 Bartholomew Basin and to the Ouachita River al- 

 luvium. The pine-hardwood type, which is essen- 

 tially the mixed oak-mi.xed hardwood type plus 

 loblolly pine, is found exclusively on the terrace. 



12 



