回复专家:周贵龙,回复时间:2009/6/1 23:04:41
| 标准地每木检尺记录表 |
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| 径 级 |
保 留 木 |
采 伐 木 |
伐前株数 |
胸径、株数乘积 |
| 杉 |
松 |
阔 |
杉 |
松 |
阔 |
| 株 数 |
蓄 积 |
株 数 |
蓄 积 |
株 数 |
蓄 积 |
株 数 |
蓄 积 |
株 数 |
蓄 积 |
株 数 |
蓄 积 |
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| 6 |
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13 |
0.14 |
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13 |
78 |
| 8 |
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8 |
0.17 |
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2 |
0.04 |
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10 |
80 |
| 10 |
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11 |
0.39 |
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11 |
110 |
| 12 |
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15 |
0.69 |
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5 |
0.23 |
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20 |
240 |
| 14 |
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10 |
0.69 |
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5 |
0.35 |
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15 |
210 |
| 16 |
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4 |
0.34 |
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2 |
0.17 |
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6 |
96 |
| 18 |
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2 |
0.24 |
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2 |
0.24 |
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4 |
72 |
| 20 |
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2 |
0.28 |
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2 |
40 |
| 22 |
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1 |
0.19 |
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1 |
22 |
| 24 |
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| 26 |
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| 合计 |
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53 |
2.98 |
0 |
0 |
0 |
0 |
29 |
1.168 |
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82 |
948 |
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伐前平均胸径948÷82=11.6 |
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| 标准地每木检尺记录表 |
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| 径 级 |
保 留 木 |
采 伐 木 |
胸径、株数乘积 |
| 杉 |
松 |
阔 |
杉 |
松 |
阔 |
| 株 数 |
蓄 积 |
株 数 |
蓄 积 |
株 数 |
蓄 积 |
株 数 |
蓄 积 |
株 数 |
蓄 积 |
株 数 |
蓄 积 |
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| 6 |
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13 |
0.14 |
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0 |
| 8 |
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8 |
0.17 |
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2 |
0.04 |
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64 |
| 10 |
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11 |
0.39 |
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110 |
| 12 |
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15 |
0.69 |
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5 |
0.23 |
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180 |
| 14 |
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10 |
0.69 |
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5 |
0.35 |
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140 |
| 16 |
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4 |
0.34 |
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2 |
0.17 |
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64 |
| 18 |
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2 |
0.24 |
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2 |
0.24 |
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36 |
| 20 |
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2 |
0.28 |
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40 |
| 22 |
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1 |
0.19 |
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22 |
| 24 |
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| 26 |
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| 合计 |
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53 |
2.98 |
0 |
0 |
0 |
0 |
29 |
1.168 |
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656 |
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伐后平均胸径656÷53=12.4 |
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树高,同样的方法计算。
因这个样地是1亩,乘上15,就是1公顷了。
株数强度29÷82=35。4%
蓄积强度1。168÷(1。168+2。98)=28。2%
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