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| səhifə | 11/16 | | tarix | 21.08.2017 | | ölçüsü | 1.21 Mb. |
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Species
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Avg value for Proportion of Fagot Vol to Total Vol
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Number of trees in calculation
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St Dev of Proportions
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Coefficient of Variation for the species
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CHARCOAL
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Anogeissus leiocarpus
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0.373
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3
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0.0299
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8%
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Combretum glutinosum
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0.344
|
43
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0.1494
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43%
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Combretum nigricans
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0.619
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1
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Hexalobus monopetalus
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0.310
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19
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0.1232
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40%
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Piliostigma thonningii
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0.362
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10
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0.1363
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38%
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Strychnos spinosa
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0.662
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9
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0.1852
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28%
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Terminalia avicennioides
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0.329
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23
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0.1346
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41%
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Terminalia macroptera
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0.359
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23
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0.1427
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40%
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131
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SAWTIMBER
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Bombax costatum
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0.150
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37
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0.0777
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52%
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Cordyla pinnata
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0.184
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32
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0.0940
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51%
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Erythrphleum guineense
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0.167
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23
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0.1071
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64%
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Lannea acida
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0.224
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35
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0.1445
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65%
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Pterocarpus erinaceus
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0.231
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35
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0.1507
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65%
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Prosopis africana
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0.188
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20
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0.0760
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41%
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182
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N.B.: 125 cut trees had no “sections” to stack, only fagots. All trees had at least ONE fagot (up to 26 fagots, for sawtimber) to weigh.
Species
|
No. of trees in sample
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Avg Stump Ht (cm)
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StDev of Stump Ht
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CV of Stump Ht
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Avg Height (m)
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Avg Length (m)
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CHARCOAL
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Anogeissus leiocarpus
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4
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25
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9.95
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38.62%
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9.63
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9.78
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Combretum glutinosum
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73
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16
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7.99
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47.90%
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7.74
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8.22
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Combretum nigricans
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2
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11
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5.66
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51.43%
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4.65
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5.55
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Hexalobus monopetalus
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40
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14
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8.51
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59.21%
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5.82
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6.24
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Bauhinia thonningii
|
22
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16
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8.59
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53.66%
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5.68
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6.15
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Strychnos spinosa
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31
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10
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4.58
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41.90%
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4.36
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4.83
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Terminalia avicennioides
|
40
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16
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8.06
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49.81%
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5.09
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5.56
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Terminalia macroptera
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30
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14.
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6.90
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49.64%
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9.43
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9.71
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SAWTIMBER
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Bombax costatum
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39
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44
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25.98
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58.61%
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12.85
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13.29
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Cordyla pinnata
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35
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30
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14.97
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48.38%
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11.36
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11.53
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Erythrphleum guineense
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23
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28
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17.14
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59.29%
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15.22
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15.35
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Lannea acida
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38
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19
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10.37
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52.82%
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9.01
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9.68
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Prosopis africana
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25
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27
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15.14
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56.09%
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11.56
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11.32
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Pterocarpus erinaceus
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37
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31
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15.88
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51.13%
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12.34
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12.62
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