Page 60 - การประมาณมวลชีวภาพ

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ตารางท 7 สมการทีใชในการประมาณปริมาตรลาตนและมวลชวภาพของตนไมในสวนปาสนคาริเบียในจงหวัดเชยงใหม (ที่มา: บพิตร, 2557)
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Age Station Status Equation R Adjust value Equation R Adjust value
2
2
(yrs)
2 0.7842
6 In Spacing: 1.5 x 3 m Stem volume V over bark = 0.0003 (DBH) 2.0588 0.9876 1.0008 V over bark = 0.0002 (D H) 0.9883 0.9963
2 0.7655
Takin, Height: 6.58 + 1.75 m V under bark = 0.0002 (DBH) 2.0062 0.9806 1.1645 V under bark = 0.0002 (D H) 0.9846 0.7727
2 0.8644
Chiang DBH: 8.14 + 2.31 cm Biomass W = 0.0628 (DBH) 2.2693 0.9846 1.0159 W = 0.04 (D H) 0.9854 1.0146
S
S
1.092
B
Mai Density: 149 trees/rai W = 0.2305 (WS) 0.9705 1.0833
W = 1.2668 (WB) 0.9737 0.9746 1.0511
L
W = 0.0445 (DBH) 1.9099 0.9907 1.0180
R
2 0.7757
9 Baw Spacing: 3 x 3 m Stem volume V over bark = 0.00005 (DBH) 2.1197 0.9961 1.0053 V over bark = 0.00004 (D H) 0.9967 0.9948
2 0.808
kaew, Height: 13.20 + 2.64 m V under bark = 0.00003 (DBH) 2.2002 0.9784 0.9163 V under bark = 0.00002 (D H) 0.9857 1.0527
2 0.9401
Chiang DBH: 12.80 + 4.10 cm Biomass W = 0.0274 (DBH) 2.5541 0.9703 1.0210 W = 0.0199 (D H) 0.9822 1.0122
S
S
Density: 114 trees/rai W = 0.0021 (DBH) 2.8966 0.9440 1.0494
Mai B
W = 0.0059 (DBH) 2.6181 0.9471 1.0549
L
W = 3.2649 (WS) 0.634 0.9850 0.8299
R
2 0.9962
18 Huey Spacing: 3 x 3 m Stem volume V over bark = 0.0002 (DBH) 2.474 0.9798 0.7979 V over bark = 0.00004 (D H) 0.9950 0.9711
2 1.037
Bong, Height: 20.59 + 3.32 m V under bark = 0.00009 (DBH) 2.5729 0.9760 1.0586 V under bark = 0.00002 (D H) 0.9930 1.0852
2 0.9669
Chiang DBH: 20.97 + 4.62 cm Biomass W = 0.1004 (DBH) 2.3852 0.9432 1.0186 W = 0.0244 (D H) 0.9707 1.0087
S
S
Density: 138 trees/rai W = 0.0003 (DBH) 3.5713 0.9426 1.1001
Mai B
W = 0.4527 (WB) 0.8048 0.9235 1.1226
L
2 0.9677
29 Huey Spacing: 3 x 3 m Stem volume V over bark = 0.0002 (DBH) 2.3519 0.9850 1.1633 V over bark = 0.00005 (D H) 0.9924 0.9421
2 0.9708
Bong, Height: 21.08 + 2.01 m V under bark = 0.0002 (DBH) 2.3488 0.9634 0.9197 V under bark = 0.00004 (D H) 0.9795 0.8925
2 0.9781
Chiang DBH: 25.63 + 5.97 cm Biomass W = 0.1009 (DBH) 2.3642 0.9669 1.0131 W = 0.0193 (D H) 0.9851 1.0065
S
S
Density: 88 trees/rai W = 0.0003 (DBH) 3.3987 0.9273 1.0865
Mai B
W = 1.1055 (WB) 0.7364 0.9104 1.1265
L
2 0.9465
Stem volume V over bark = 0.00006 (DBH) 2.6406 0.7984 1.2568 V over bark = 0.00004 (D H) 0.8416 1.3125
2 0.9758
V under bark = 0.00003 (DBH) 2.7138 0.7838 1.5792 V under bark = 0.00002 (D H) 0.8314 1.5782
2 0.9661
Biomass W = 0.026 (DBH) 2.7313 0.9592 0.8949 W = 0.0209 (D H) 0.9847 1.0267
S
S
All
W = 0.0071 (DBH) 2.5095 0.9126 1.0272
B
W = 1.225 (WB) 0.6989 0.8036 1.5459
L
W = 0.551 (WS) 0.9364 0.9605 1.1139
R