Effects of Environmental Factors on Carbon Stocks of Dry Evergreen Afromontane Forests of the Choke Mountain Ecosystem, Northwestern Ethiopia
Table 7
Tests of between-subject effects in Anshirava forest.
Source
Dependent variable
Type III sum of squares
df
Mean square
F
Sig.
Partial eta squared
Corrected model
SCS
18019.730a
35
514.849
2.999
0.004
0.827
AGBC
761137.455b
35
21746.784
2.215
0.026
0.779
BGBC
30855.926c
35
881.598
2.703
0.008
0.811
LC
202.650d
35
5.790
10.485
0.000
0.943
USBC
425.259e
35
12.150
20.740
0.000
0.971
DWC
332.922f
35
9.512
6.359
0.000
0.910
TCS
1315060.564g
35
37573.159
2.377
0.018
0.791
Intercept
SCS
379218.959
1
379218.959
2209.243
0.000
0.990
AGBC
917628.752
1
917628.752
93.473
0.000
0.809
BGBC
37318.601
1
37318.601
114.441
0.000
0.839
LC
226.261
1
226.261
409.736
0.000
0.949
USBC
1199.936
1
1199.936
2048.212
0.000
0.989
DWC
87.508
1
87.508
58.500
0.000
0.727
TCS
3334107.530
1
3334107.530
210.889
0.000
0.906
Altitude
SCS
519.375
2
259.687
4.249
0.020
0.148
AGBC
5714.355
2
2857.177
4.125
0.001
0.402
BGBC
261.518
2
130.759
4.125
0.001
0.402
LC
13.631
2
6.815
12.342
0.000
0.529
USBC
35.464
2
17.732
30.267
0.000
0.733
DWC
6.985
2
3.492
2.335
0.120
0.175
TCS
13703.261
2
6851.630
0.433
0.654
0.038
Slope
SCS
3435.938
2
1717.969
10.008
0.001
0.476
AGBC
18590.741
2
9295.371
5.078
0.002
0.293
BGBC
702.943
2
351.471
5.078
0.002
0.293
LC
82.263
2
41.131
74.485
0.000
0.871
USBC
184.679
2
92.340
157.618
0.000
0.935
DWC
79.211
2
39.605
26.476
0.000
0.706
TCS
39658.268
2
19829.134
1.254
0.305
0.102
Aspect
SCS
1301.588
7
185.941
1.083
0.407
0.256
AGBC
179865.101
7
25695.014
2.617
0.040
0.454
BGBC
7095.321
7
1013.617
3.108
0.019
0.497
LC
7.152
7
1.022
1.850
0.128
0.371
USBC
9.974
7
1.425
2.432
0.052
0.436
DWC
39.548
7
5.650
1.299
0.278
0.197
TCS
288456.068
7
41208.010
2.606
0.040
0.453
Altitudeslope
SCS
274.124
3
91.375
0.532
0.665
0.068
AGBC
130950.667
3
43650.222
4.446
0.014
0.377
BGBC
5238.026
3
1746.009
5.354
0.006
0.422
LC
14.016
3
4.672
8.461
0.001
0.536
USBC
47.677
3
15.892
27.127
0.000
0.787
DWC
1.916
3
0.639
0.427
0.736
0.055
TCS
197143.960
3
65714.653
4.157
0.018
0.362
Altitudeaspect
SCS
1773.747
8
221.718
1.292
0.298
0.320
AGBC
15854.477
8
1981.810
0.202
0.987
0.068
BGBC
542.727
8
67.841
0.208
0.986
0.070
LC
6.143
8
0.768
1.390
0.255
0.336
USBC
9.130
8
1.141
1.948
0.103
0.415
DWC
8.912
8
1.114
0.745
0.652
0.213
TCS
22607.051
8
2825.881
0.179
0.992
0.061
Slopeaspect
SCS
2050.553
8
256.319
1.493
0.216
0.352
AGBC
85784.406
8
10723.051
1.092
0.405
0.284
BGBC
3218.378
8
402.297
1.234
0.326
0.310
LC
4.407
8
0.551
0.998
0.465
0.266
USBC
11.441
8
1.430
2.441
0.047
0.470
DWC
29.905
8
3.738
2.499
0.042
0.476
TCS
129779.616
8
16222.452
1.026
0.446
0.272
Altitudeslopeaspect
SCS
410.074
2
205.037
1.194
0.322
0.098
AGBC
3497.274
2
1748.637
0.178
0.838
0.016
BGBC
139.891
2
69.946
0.214
0.809
0.019
LC
0.499
2
0.249
0.451
0.642
0.039
USBC
4.096
2
2.048
3.496
0.048
0.241
DWC
1.153
2
0.577
0.385
0.685
0.034
TCS
8574.512
2
4287.256
0.271
0.765
0.024
Error
SCS
3776.324
22
171.651
AGBC
215975.931
22
9817.088
BGBC
7174.103
22
326.096
LC
12.149
22
0.552
USBC
12.889
22
0.586
DWC
32.909
22
1.496
TCS
347814.232
22
15809.738
Total
SCS
742010.103
58
AGBC
2860094.808
58
BGBC
115004.380
58
LC
634.654
58
USBC
2591.085
58
DWC
472.538
58
TCS
8296252.643
58
Corrected total
SCS
21796.054
57
AGBC
977113.387
57
BGBC
38030.029
57
LC
214.798
57
USBC
438.147
57
DWC
365.832
57
TCS
1662874.796
57
The mean difference is significant at 0.05 level. aR squared = 0.827 (adjusted R squared = 0.551); bR squared = 0.779 (adjusted R squared = 0.427); cR squared = 0.811 (adjusted R squared = 0.511); dR squared = 0.943 (adjusted R squared = 0.853); eR squared = 0.971 (adjusted R squared = 0.924); fR squared = 0.910 (adjusted R squared = 0.767); gR squared = 0.791 (adjusted R squared = 0.458); hcomputed using alpha = 0.05.
