Bwa-yo - Société Audubon Haiti

230 Biomass 'and Volume Tables
Table 21.3 Pole weight (dry kilograms) or volume (x 10- 3 m 3 ) equations for selected
hardwood species in Haiti.
SPECIES WOOD REGRESSION N R Z DIA. SITE
COMPONENT EQUATION 1 RANGE
(em)
Azadirachta indica Pole volume 0.226D 2 13 0.97 4.6-12.6 Thomazeau
A. indica coppice Pole weight 0.152D 2 - 0.98 5.0-10.0 Bon Repos
Casuarina equisetifolia Pole weight 0.308D z 35 0.97 5.5-16.8 Cazeau
C. equisetifolia Pole volume 0.486D z 35' 0.98 5.5--16.8 Cazeau
C. equisetifolia Pole volume 0.379D z - 3.078 - 0.94 - Terre Rouge
Catalpa longissima Pole volume 0.277D z - 2.031 - 0.95 5.0-10.8 Limbe
Eucalyptus' camaldulensis Pole volume 0.291D 2 14 0.96 4.8-13.3 Bon Repos
Leucaena leutocephala Pole weight 0.198D 2 - 0.98 5.0-16.2 Bon Repos
subsp. glabrata "
L leucocephala Pole weight 0.lilsd 2 - 0.96 5.0-16.2 Bon Repos
subsp. glabrata
L leucocephala Pole weight 0.175D 2 - 0.99 5.0-10.0 Bon Repos
subsp. glabrata coppice
Senna siamea Pole volume 0.338D 2 19 0.91 6.3-13.8 Limbe
I sd = StUmp diameter at 0.10 m above ground level, in em. D = Stem diameter at 1.30 m above ground level, in em.
Table 21.4 Volume equations for Hispaniolan pine (Pinus occidentalis Swartz.)
developed at Foret-des-Pins, Haiti.
REGRESSION EQUATIONI R Z NOTES
Stem Volume> 7 em Diameter
0.OOO8486D 2 - 0.0680182 0.89 outside bark diameter
0.OOO75432D 2 - 0.0761294 0.86 inside bark diameter
0.OOOO3166D 2 H - 0.0025991 0.96 outside bark diameter
0.OOOO2863D 2 H - 0.030146 0.96 inside bark diameter
Stem Volume> 8 em Diameter
O.0006938D 2 + 0.09282 0.82 outside bark diameter; diameter range: 15-50 em; N = 59
0.OOOO3765h2oD 2 - 0.0094 0.96 outside bark diameter; diameter range: 31-35 em; N = 17
0.OOOO21h2oD 2 + 0.2499 0.82 outside bark diameter; diameter range: 35-50 em; N ='42
Stem Volume> 18 em Diameter
0.00090705D 2 - 0.2358016 0.91 outside bark diameter
0.OOO80508D 2 - 0.2283548 0.88 inside bark diameter
0.OOOO3346D 2 H - 0.1563121 0.96 outside bark diameter
0.OOOO3012D 2 H - 0.1698399 0.95 inside bark diameter
0.OOOO3765h2oD 2 - 0.0987 0.96 outside bark diameter; diameter range: 35-50 em; N = 42
Total Stem Volume
0.OO8021D 2 0.89 outside bark diameter
0.OOO70349D2 0.79 inside bark diameter
0.OOO3182D 2 H 0.96 outside bark diameter
0.OOOO28D 2 H 0.88 inside bark diameter
I