(表−1)全木生重量一覧表 |
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(表−3)絶乾全木重量一覧表 |
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参考1:スギ季節別含水率 |
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参考2:スギ葉枯らし乾燥 |
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樹種 |
ス ギ(生) |
ス ギ(葉枯らし) |
ヒノキ |
カラマツ |
トドマツ |
広葉樹 |
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樹種 |
スギ |
ヒノキ |
カラマツ |
トドマツ |
広葉樹 |
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伐採時期 |
含水率 |
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葉枯日数 |
含水率 |
重量比 |
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時期等 |
年平均 |
春伐採 |
夏伐採 |
秋伐採 |
冬伐採 |
1ヶ月 |
2ヶ月 |
3ヶ月 |
4ヶ月 |
5ヶ月 |
年平均 |
年平均 |
年平均 |
年平均 |
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係数(A) |
0.1431 |
1.2346 |
0.0148 |
0.0914 |
1.4038 |
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(表−4)1t当たりの絶乾全木本数 |
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春期 |
3月 |
154 |
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0 |
128 |
100.0 |
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係数(A) |
0.2723 |
0.2572 |
0.2740 |
0.2706 |
0.2857 |
0.2641 |
0.2475 |
0.2287 |
0.2176 |
0.2143 |
0.8519 |
0.1162 |
0.1899 |
2.5907 |
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乗数(B) |
2.2380 |
1.5935 |
3.0064 |
2.4196 |
1.6175 |
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樹種 |
スギ |
ヒノキ |
カラマツ |
トドマツ |
広葉樹 |
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4月 |
164 |
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15 |
120 |
97.0 |
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乗数(B) |
2.2950 |
2.2950 |
2.2950 |
2.2950 |
2.2950 |
2.2950 |
2.2950 |
2.2950 |
2.2950 |
2.2950 |
1.8034 |
2.5837 |
2.3971 |
1.5874 |
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胸高直径 |
kgf |
kgf |
kgf |
kgf |
kgf |
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胸高直径 |
本 |
本 |
本 |
本 |
本 |
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5月 |
141 |
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30 |
114 |
94.3 |
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胸高直径 |
kgf |
kgf |
kgf |
kgf |
kgf |
kgf |
kgf |
kgf |
kgf |
kgf |
kgf |
kgf |
kgf |
kgf |
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6 |
7.89 |
21.45 |
3.23 |
6.98 |
25.47 |
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6 |
126.7 |
46.6 |
309.2 |
143.3 |
39.3 |
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平均 |
153 |
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45 |
109 |
92.9 |
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6 |
16.63 |
15.71 |
16.73 |
16.53 |
17.45 |
16.13 |
15.12 |
13.97 |
13.29 |
13.09 |
21.56 |
11.90 |
13.93 |
44.53 |
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8 |
15.02 |
33.93 |
7.68 |
14.00 |
40.56 |
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8 |
66.6 |
29.5 |
130.2 |
71.4 |
24.7 |
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秋期 |
6月 |
167 |
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60 |
107 |
90.9 |
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8 |
32.18 |
30.40 |
32.38 |
31.98 |
33.77 |
31.21 |
29.26 |
27.03 |
25.72 |
25.33 |
36.23 |
25.03 |
27.75 |
70.30 |
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10 |
24.75 |
48.42 |
15.02 |
24.02 |
58.18 |
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10 |
40.4 |
20.7 |
66.6 |
41.6 |
17.2 |
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7月 |
166 |
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75 |
103 |
88.8 |
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10 |
53.71 |
50.73 |
54.04 |
53.37 |
56.35 |
52.09 |
48.82 |
45.11 |
42.92 |
42.27 |
54.17 |
44.56 |
47.38 |
100.19 |
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12 |
37.23 |
64.74 |
25.98 |
37.34 |
78.14 |
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12 |
26.9 |
15.4 |
38.5 |
26.8 |
12.8 |
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8月 |
155 |
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90 |
99 |
86.6 |
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12 |
81.61 |
77.09 |
82.12 |
81.11 |
85.63 |
79.16 |
74.19 |
68.55 |
65.22 |
64.23 |
75.26 |
71.37 |
73.36 |
133.82 |
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14 |
52.56 |
82.77 |
41.30 |
54.21 |
100.27 |
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14 |
19.0 |
12.1 |
24.2 |
18.4 |
10.0 |
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平均 |
163 |
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105 |
94 |
84.4 |
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14 |
116.25 |
109.81 |
116.98 |
115.53 |
121.98 |
112.75 |
105.68 |
97.64 |
92.90 |
91.49 |
99.38 |
106.28 |
106.15 |
170.92 |
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16 |
70.87 |
102.40 |
61.71 |
74.89 |
124.44 |
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16 |
14.1 |
9.8 |
16.2 |
13.4 |
8.0 |
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夏期 |
9月 |
156 |
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120 |
89 |
82.4 |
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16 |
157.94 |
149.19 |
158.93 |
156.96 |
165.72 |
153.19 |
143.57 |
132.66 |
126.22 |
124.30 |
126.44 |
150.07 |
146.19 |
211.27 |
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18 |
92.24 |
123.54 |
87.93 |
99.59 |
150.56 |
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18 |
10.8 |
8.1 |
11.4 |
10.0 |
6.6 |
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10月 |
149 |
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135 |
84 |
80.4 |
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18 |
206.97 |
195.49 |
208.26 |
205.67 |
217.15 |
200.73 |
188.13 |
173.83 |
165.39 |
162.88 |
156.37 |
203.45 |
193.88 |
254.70 |
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20 |
116.77 |
146.12 |
120.69 |
128.50 |
178.53 |
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20 |
8.6 |
6.8 |
8.3 |
7.8 |
5.6 |
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11月 |
178 |
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150 |
81 |
78.7 |
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20 |
263.58 |
248.96 |
265.22 |
261.93 |
276.55 |
255.64 |
239.59 |
221.39 |
210.63 |
207.44 |
189.09 |
267.10 |
249.59 |
301.07 |
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22 |
144.54 |
170.09 |
160.74 |
161.83 |
208.29 |
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22 |
6.9 |
5.9 |
6.2 |
6.2 |
4.8 |
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平均 |
161 |
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22 |
328.03 |
309.84 |
330.07 |
325.98 |
344.17 |
318.15 |
298.17 |
275.51 |
262.13 |
258.16 |
224.55 |
341.68 |
313.65 |
350.25 |
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24 |
175.61 |
195.39 |
208.80 |
199.76 |
239.77 |
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24 |
5.7 |
5.1 |
4.8 |
5.0 |
4.2 |
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冬期 |
12月 |
189 |
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24 |
400.53 |
378.32 |
403.03 |
398.03 |
420.24 |
388.47 |
364.08 |
336.41 |
320.07 |
315.22 |
262.70 |
427.82 |
386.39 |
402.13 |
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26 |
210.06 |
221.97 |
265.61 |
242.45 |
272.91 |
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26 |
4.8 |
4.5 |
3.8 |
4.1 |
3.7 |
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1月 |
150 |
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26 |
481.30 |
454.61 |
484.30 |
478.29 |
504.98 |
466.80 |
437.50 |
404.25 |
384.61 |
378.78 |
303.50 |
526.11 |
468.12 |
456.61 |
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28 |
247.96 |
249.79 |
331.89 |
290.06 |
307.67 |
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28 |
4.0 |
4.0 |
3.0 |
3.4 |
3.3 |
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2月 |
171 |
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28 |
570.53 |
538.89 |
574.09 |
566.96 |
598.60 |
553.35 |
518.61 |
479.20 |
455.92 |
449.00 |
346.89 |
637.13 |
559.12 |
513.61 |
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30 |
289.36 |
278.82 |
408.39 |
342.76 |
343.99 |
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30 |
3.5 |
3.6 |
2.4 |
2.9 |
2.9 |
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平均 |
170 |
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30 |
668.41 |
631.34 |
672.58 |
664.23 |
701.30 |
648.28 |
607.58 |
561.41 |
534.14 |
526.04 |
392.85 |
761.46 |
659.68 |
573.06 |
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32 |
334.32 |
309.02 |
495.84 |
400.69 |
381.84 |
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32 |
3.0 |
3.2 |
2.0 |
2.5 |
2.6 |
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通年平均 |
162 |
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32 |
775.12 |
732.13 |
779.96 |
770.28 |
813.26 |
751.77 |
704.58 |
651.04 |
619.41 |
610.02 |
441.34 |
899.63 |
770.05 |
634.88 |
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34 |
382.90 |
340.36 |
594.98 |
463.99 |
421.18 |
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34 |
2.6 |
2.9 |
1.7 |
2.2 |
2.4 |
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34 |
890.82 |
841.42 |
896.39 |
885.26 |
934.66 |
864.00 |
809.76 |
748.22 |
711.87 |
701.08 |
492.33 |
1,052.18 |
890.50 |
699.02 |
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36 |
435.16 |
372.82 |
706.53 |
532.81 |
461.98 |
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36 |
2.3 |
2.7 |
1.4 |
1.9 |
2.2 |
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※ 参考2は、11月中旬に伐採した場合の調査結果。 |
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36 |
1,015.69 |
959.37 |
1,022.03 |
1,009.35 |
1,065.67 |
985.11 |
923.26 |
853.10 |
811.66 |
799.35 |
545.79 |
1,219.62 |
1,021.26 |
765.41 |
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38 |
491.13 |
406.36 |
831.23 |
607.28 |
504.20 |
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38 |
2.0 |
2.5 |
1.2 |
1.6 |
2.0 |
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38 |
1,149.88 |
1,086.11 |
1,157.05 |
1,142.70 |
1,206.46 |
1,115.25 |
1,045.23 |
965.80 |
918.89 |
904.95 |
601.69 |
1,402.47 |
1,162.58 |
834.00 |
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40 |
550.87 |
440.97 |
969.83 |
687.53 |
547.82 |
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40 |
1.8 |
2.3 |
1.0 |
1.5 |
1.8 |
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40 |
1,293.53 |
1,221.80 |
1,301.60 |
1,285.45 |
1,357.18 |
1,254.57 |
1,175.81 |
1,086.46 |
1,033.68 |
1,018.00 |
660.00 |
1,601.21 |
1,314.69 |
904.75 |
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42 |
614.43 |
476.62 |
1,123.05 |
773.68 |
592.80 |
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42 |
1.6 |
2.1 |
0.9 |
1.3 |
1.7 |
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42 |
1,446.79 |
1,366.56 |
1,455.82 |
1,437.76 |
1,517.98 |
1,403.22 |
1,315.13 |
1,215.18 |
1,156.15 |
1,138.62 |
720.70 |
1,816.33 |
1,477.80 |
977.60 |
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44 |
681.85 |
513.30 |
1,291.63 |
865.85 |
639.13 |
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44 |
1.5 |
1.9 |
0.8 |
1.2 |
1.6 |
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44 |
1,609.80 |
1,520.53 |
1,619.85 |
1,599.75 |
1,689.02 |
1,561.32 |
1,463.30 |
1,352.10 |
1,286.42 |
1,266.91 |
783.77 |
2,048.31 |
1,652.13 |
1,052.53 |
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46 |
753.17 |
550.97 |
1,476.31 |
964.17 |
686.78 |
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46 |
1.3 |
1.8 |
0.7 |
1.0 |
1.5 |
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46 |
1,782.69 |
1,683.84 |
1,793.82 |
1,771.56 |
1,870.42 |
1,729.01 |
1,620.46 |
1,497.32 |
1,424.58 |
1,402.98 |
849.19 |
2,297.60 |
1,837.90 |
1,129.48 |
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48 |
828.43 |
589.64 |
1,677.82 |
1,068.75 |
735.72 |
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48 |
1.2 |
1.7 |
0.6 |
0.9 |
1.4 |
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48 |
1,965.61 |
1,856.61 |
1,977.88 |
1,953.33 |
2,062.33 |
1,906.41 |
1,786.73 |
1,650.95 |
1,570.75 |
1,546.93 |
916.94 |
2,564.66 |
2,035.30 |
1,208.42 |
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50 |
907.68 |
629.27 |
1,896.90 |
1,179.71 |
785.94 |
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50 |
1.1 |
1.6 |
0.5 |
0.8 |
1.3 |
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50 |
2,158.66 |
2,038.95 |
2,172.13 |
2,145.18 |
2,264.89 |
2,093.65 |
1,962.21 |
1,813.10 |
1,725.02 |
1,698.86 |
986.99 |
2,849.93 |
2,244.53 |
1,289.32 |
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※全木重量=係数(A)×胸高直径^乗数(B) |
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※ 表−3を基に算定。 |
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全木重量=係数(A)×胸高直径^乗数(B) |
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網掛けした枠内の値は、徳島県での調査結果(幹含水率)に基づくもので、枝葉の含水率は幹部と同等とした場合の想定値。 |
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スギ(葉枯らし)は、11月中旬に伐採した場合の想定値。 |
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(表−2)1t当たりの全木本数 |
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樹種 |
ス ギ(生) |
ス ギ(葉枯らし) |
ヒノキ |
カラマツ |
トドマツ |
広葉樹 |
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時期等 |
年平均 |
春伐採 |
夏伐採 |
秋伐採 |
冬伐採 |
1ヶ月 |
2ヶ月 |
3ヶ月 |
4ヶ月 |
5ヶ月 |
年平均 |
年平均 |
年平均 |
年平均 |
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胸高直径 |
本 |
本 |
本 |
本 |
本 |
本 |
本 |
本 |
本 |
本 |
本 |
本 |
本 |
本 |
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6 |
60.1 |
63.7 |
59.8 |
60.5 |
57.3 |
62.0 |
66.2 |
71.6 |
75.2 |
76.4 |
46.4 |
84.0 |
71.8 |
22.5 |
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8 |
31.1 |
32.9 |
30.9 |
31.3 |
29.6 |
32.0 |
34.2 |
37.0 |
38.9 |
39.5 |
27.6 |
39.9 |
36.0 |
14.2 |
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10 |
18.6 |
19.7 |
18.5 |
18.7 |
17.7 |
19.2 |
20.5 |
22.2 |
23.3 |
23.7 |
18.5 |
22.4 |
21.1 |
10.0 |
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12 |
12.3 |
13.0 |
12.2 |
12.3 |
11.7 |
12.6 |
13.5 |
14.6 |
15.3 |
15.6 |
13.3 |
14.0 |
13.6 |
7.5 |
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14 |
8.6 |
9.1 |
8.5 |
8.7 |
8.2 |
8.9 |
9.5 |
10.2 |
10.8 |
10.9 |
10.1 |
9.4 |
9.4 |
5.9 |
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16 |
6.3 |
6.7 |
6.3 |
6.4 |
6.0 |
6.5 |
7.0 |
7.5 |
7.9 |
8.0 |
7.9 |
6.7 |
6.8 |
4.7 |
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18 |
4.8 |
5.1 |
4.8 |
4.9 |
4.6 |
5.0 |
5.3 |
5.8 |
6.0 |
6.1 |
6.4 |
4.9 |
5.2 |
3.9 |
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20 |
3.8 |
4.0 |
3.8 |
3.8 |
3.6 |
3.9 |
4.2 |
4.5 |
4.7 |
4.8 |
5.3 |
3.7 |
4.0 |
3.3 |
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22 |
3.0 |
3.2 |
3.0 |
3.1 |
2.9 |
3.1 |
3.4 |
3.6 |
3.8 |
3.9 |
4.5 |
2.9 |
3.2 |
2.9 |
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24 |
2.5 |
2.6 |
2.5 |
2.5 |
2.4 |
2.6 |
2.7 |
3.0 |
3.1 |
3.2 |
3.8 |
2.3 |
2.6 |
2.5 |
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26 |
2.1 |
2.2 |
2.1 |
2.1 |
2.0 |
2.1 |
2.3 |
2.5 |
2.6 |
2.6 |
3.3 |
1.9 |
2.1 |
2.2 |
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28 |
1.8 |
1.9 |
1.7 |
1.8 |
1.7 |
1.8 |
1.9 |
2.1 |
2.2 |
2.2 |
2.9 |
1.6 |
1.8 |
1.9 |
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30 |
1.5 |
1.6 |
1.5 |
1.5 |
1.4 |
1.5 |
1.6 |
1.8 |
1.9 |
1.9 |
2.5 |
1.3 |
1.5 |
1.7 |
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32 |
1.3 |
1.4 |
1.3 |
1.3 |
1.2 |
1.3 |
1.4 |
1.5 |
1.6 |
1.6 |
2.3 |
1.1 |
1.3 |
1.6 |
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34 |
1.1 |
1.2 |
1.1 |
1.1 |
1.1 |
1.2 |
1.2 |
1.3 |
1.4 |
1.4 |
2.0 |
1.0 |
1.1 |
1.4 |
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36 |
1.0 |
1.0 |
1.0 |
1.0 |
0.9 |
1.0 |
1.1 |
1.2 |
1.2 |
1.3 |
1.8 |
0.8 |
1.0 |
1.3 |
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38 |
0.9 |
0.9 |
0.9 |
0.9 |
0.8 |
0.9 |
1.0 |
1.0 |
1.1 |
1.1 |
1.7 |
0.7 |
0.9 |
1.2 |
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40 |
0.8 |
0.8 |
0.8 |
0.8 |
0.7 |
0.8 |
0.9 |
0.9 |
1.0 |
1.0 |
1.5 |
0.6 |
0.8 |
1.1 |
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42 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.7 |
0.8 |
0.8 |
0.9 |
0.9 |
1.4 |
0.6 |
0.7 |
1.0 |
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44 |
0.6 |
0.7 |
0.6 |
0.6 |
0.6 |
0.6 |
0.7 |
0.7 |
0.8 |
0.8 |
1.3 |
0.5 |
0.6 |
1.0 |
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46 |
0.6 |
0.6 |
0.6 |
0.6 |
0.5 |
0.6 |
0.6 |
0.7 |
0.7 |
0.7 |
1.2 |
0.4 |
0.5 |
0.9 |
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48 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.6 |
0.6 |
0.6 |
0.6 |
1.1 |
0.4 |
0.5 |
0.8 |
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50 |
0.5 |
0.5 |
0.5 |
0.5 |
0.4 |
0.5 |
0.5 |
0.6 |
0.6 |
0.6 |
1.0 |
0.4 |
0.4 |
0.8 |
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※ 表−1を基に算定。 |
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