IV KESIMPULAN DAN SARAN
4.1 Kesimpulan
Dari hasil pembahasan sebelumnya maka dapat diambil beberapa kesimpulan sebagai berikut:
1 Nilai backscatter dipengaruhi oleh peubah tegakan.
2 Pada citra ALOS PALSAR resolusi 6,25 meter, luas bidang dasar pohon,
biomasa pohon dan tinggi pohon merupakan peubah tegakan yang mempengaruhi backscatter.
3 Semakin besar nilai luas bidang dasar pohon, biomasa pohon dan tinggi
pohon maka nilai backscatter citra ALOS PALSAR resolusi 6,25 meter untuk kedua polarisasi HH dan HV akan semakin besar.
4 Peubah tegakan yang mempengaruhi nilai backscatter pada citra ALOS
PALSAR resolusi 50 meter adalah luas bidang dasar pohon dan biomasa pohon.
5 Semakin besar nilai luas bidang dasar pohon dan biomasa pohon maka nilai
backscatter citra ALOS PALSAR resolusi 50 meter untuk kedua polarisasi HH dan HV akan semakin kecil.
4.2 Saran
Saran yang dapat diberikan dalam penelitian ini adalah perlu dilakukan penelitian lebih lanjut dengan menggunakan citra ALOS PALSAR yang telah
terkoreksi kemiringannya slope corrected data dan menggunakan beberapa algoritma untuk mereduksi noise.
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Nopember 2009. Bogor: Fakultas Kehutanan Institut Pertanian Bogor; 2009. Hlm 05.
56
Lampiran 1 Rekapitulasi data
No Plot Jumlah n
Kerapatan rata-rata nHa Diameter rata-rata cm
Tinggi rata-rata m Biomassa rata-rata tonha
Pancang Tiang
Pohon Pancang
Tiang Pohon
Total Pancang
Tiang Pohon
Pancang Tiang
Pohon Pancang
Tiang Pohon
10001 1
30 100
120 220
18 37
14 18
17.18 110.65
10002 2
41 200
164 364
17 33
11 15
30.39 121.52
10011 2
86 200
344 544
18 29
14 15
36.42 188.54
50019 4
43 400
172 572
13 34
13 16
33.38 407.73
10042 5
23 500
92 592
13 30
6 14
45.27 55.14
50030 1
2 43
400 200
172 772
5 11
29 4
13 21
4.91 12.32
92.45 10044
2 6
55 400
200 172
772 6
16 35
7 12
19 12.42
79.20 232.00
10014 1
1 71
400 100
284 784
8 11
31 9
10 22
11.46 5.83
188.31 10008
5 77
500 308
808 17
29 13
16 74.86
153.39 10021
1 2
72 400
200 288
888 5
15 32
7 18
19 4.30
21.40 210.02
10045 7
50 700
200 900
12 35
10 19
56.08 216.03
10005 1
3 51
400 300
204 904
6 13
30 5
8 14
6.27 28.22
121.87 50032
2 28
800 112
912 6
33 3
14 12.76
80.05 10020
1 2
92 400
200 368
968 8
18 35
12 19
20 10.48
33.05 334.50
50004 1
4 48
400 400
192 992
6 14
31 8
12 20
6.16 40.47
117.31 50024
1 3
81 400
300 324
1024 7
15 31
9 13
19 7.81
35.58 232.32
50008 1
5 47
400 500
188 1088
6 15
32 11
12 23
5.57 63.50
148.71 50006
9 49
900 196
1096 14
29 13
20 91.95
115.17 10009
1 5
56 400
500 224
1124 7
15 32
10 10
17 8.65
62.56 169.58
50033 1
5 63
400 500
252 1152
7 13
34 5
12 15
9.54 44.05
214.79 10039
1 6
39 400
600 156
1156 8
13 32
7 10
14 11.58
51.77 113.20
57
Lampiran 1 Rekapitulasi data lanjutan
No Plot
Jumlah n Kerapatan rata-rata nHa
Diameter rata-rata cm Tinggi rata-rata m
Biomassa rata-rata tonha Pancang Tiang Pohon Pancang Tiang Pohon Total Pancang Tiang Pohon Pancang Tiang Pohon Pancang
Tiang Pohon
50025 2
2 39
800 200
156 1156 8
14 25
8 12
15 21.15
18.30 60.49
50026 3
5 1200
20 1220 6
42 3
11 16.06
24.45 10007
1 6
59 400
600 236 1236
7 15
27 6
12 14
8.64 68.14 111.37
10018 2
3 55
800 300
220 1320 7
14 33
7 11
21 15.67
31.55 172.82 10043
2 6
59 800
600 236 1636
8 14
32 11
15 18
22.14 64.28 187.99
10040 3
4 52
1200 400
208 1808 6
13 26
9 16
17 18.92
35.64 87.53
10012 3
4 65
1200 400
260 1860 7
16 29
8 14
16 26.49
55.10 144.33 10003
2 8
70 800
800 280 1880
7 17
28 9
12 17
16.75 119.36 140.91 10015
4 1
67 1600
100 268 1968
7 11
39 10
12 21
38.71 5.83 377.21
10023 3
6 67
1200 600
268 2068 8
14 26
9 12
13 34.35
61.64 110.77 10017
4 3
72 1600
300 288 2188
7 15
31 10
17 20
37.46 33.71 179.55
50029 4
5 44
1600 500
176 2276 8
12 35
11 9
17 48.15
39.99 137.80 50005
4 6
91 1600
600 364 2564
7 14
29 15
15 19
32.97 49.06 149.02
50031 4
9 48
1600 900
192 2692 7
15 28
9 12
15 34.62 118.03
96.65 10010
4 9
56 1600
900 224 2724
6 16
30 11
13 16
29.78 115.99 126.01 50003
3 13
82 1200
1300 328 2828
6 14
28 8
16 18
23.25 98.66 171.13
10016 4
10 59
1600 1000
236 2836 9
13 28
12 16
20 61.13
83.36 120.63 10013
5 7
42 2000
700 168 2868
6 16
35 4
12 16
33.45 102.31 137.37 50001
6 4
36 2400
400 144 2944
7 16
40 11
16 23
50.17 56.17 454.10
10041 6
6 67
2400 600
268 3268 7
13 30
5 11
15 45.23
48.88 163.09 50002
10 3
28 4000
300 112 4412
6 13
33 6
8 17
60.99 25.72
80.24 50028
11 8
48 4400
800 192 5392
7 15
26 7
12 15
93.55 91.11
75.71 10004
15 11
31 6000
1100 124 7224
6 13
27 7
12 16
112.19 53.64
60.52 50007
17 11
32 6800
1100 128 8028
7 11
29 10
12 19
163.81 70.44
72.18
58
Lampiran 1 Rekapitulasi data lanjutan
No Plot LBDS rata-rata m2ha
Tebal tajuk rata-rata m Diameter tajuk rata-rata m
Luas tajuk rata-rata m2ha LAI
persen tutupan Pancang
Tiang Pohon
Pancang Tiang
Pohon Pancang
Tiang Pohon
Pancang Tiang
Pohon tajuk
10001 2.54
13.86 34
42.2 7.5
6.9 4415.6
5066.2 1.2
31.48 10002
4.54 15.48
3 4.5
5.3 7.4
4337.1 7917.1
1.6 50.95
10011 5.36
24.75 4.8
4.1 5.3
7.4 4415.6
16649.3 1.3
75.49 50019
5.26 39.29
1.3 2.9
2.6 4.7
2374.6 3553.1
0.8 24.52
10042 7.09
7.19 1.2
3.9 1.7
5.3 1751.5
2268.7 1.1
17.89 50030
0.92 2.00
12.23 1
1.8 3.2
1.5 2.1
7.3 706.5
770.3 8044.9
1.5 54.18
10044 2.28
11.96 27.57
1.3 1.9
3.5 2.3
3.1 6.9
3218.5 5637.3
10397.5 0.7
60.58 10014
1.99 0.95
24.18 1.5
2 3.9
5 4
7.6 7850
1256 15400.3
0.3 67.63
10008 11.18
20.50 2.6
3.3 4.5
7.4 8458.4
14962.7 0.8
67.78 10021
0.82 3.30
26.52 1
1.5 3.6
1 1.9
6 314
613.3 10137.9
0.6 57.23
10045 8.78
25.64 2.9
3.5 3.4
6.4 7148.4
7857.3 1.7
42.51 10005
1.15 4.35
15.91 0.5
3.2 4.3
1.3 4.3
7.3 490.6
4670.8 9741.7
1 96.39
50032 2.32
10.29 0.3
4.3 0.5
5.8 157
3366.9 1.1
24.28 10020
1.83 4.90
41.28 1
3 3.3
1 6.5
6.5 314
8556.5 14600.6
1.4 73.79
50004 1.13
6.26 15.26
1 1.4
3.6 1.5
2.8 6.5
706.5 3022.3
7083.8 1.8
43.64 50024
1.40 5.39
29.26 0.5
2.7 3.2
1.5 5.8
6.2 706.5
8693.9 11631.5
0.9 58.91
50008 1.03
9.59 18.48
1 2.9
3.5 1.3
3.9 6.9
490.6 6888.4
8186 1.3
46.16 50006
14.22 14.90
1.5 3.1
3.1 6.8
7222 8262.9
0.7 47.77
10009 1.54
9.47 21.19
0.5 2
3.9 1.5
3.9 7.9
706.5 6211.3
12715.6 0.8
63.48 50033
1.68 6.87
26.66 0.5
2.8 4.9
2.5 2.9
7.3 1962.5
3581.6 12239.7
0.6 63.35
10039 2.01
8.11 14.28
0.5 2.1
4.4 2.3
3.2 7.2
1589.6 5617.7
7308.9 1.3
47.64
Lampiran 1 Rekapitulasi data lanjutan
No Plot LBDS rata-rata m2ha
Tebal tajuk rata-rata m Diameter tajuk rata-rata m
Luas tajuk rata-rata m2ha LAI
persen tutupan Pancang
Tiang Pohon
Pancang Tiang
Pohon Pancang
Tiang Pohon
Pancang Tiang
Pohon tajuk
50025
3.67 2.87
8.22
1 2
4.2 1
1.6 5.6
628 417
4438.4 1.8
29.07 50026
2.97 3.00
0.5 3.1
1.2 4.8
1334.5 479.2
0.6 4.31
10007
1.54 10.42
14.67
1.5 2.3
3.4 1.8
4.2 6.7
961.6 9169.8
9675.5 1.3
55.48 10018
2.82 4.87
21.53
0.5 1.7
3.5 0.9
1.8 6.6
569.1 883.1
8913.7 1
47.82 10043
3.83 9.79
23.25
0.5 1.9
3.1 0.8
3.4 5.2
392.5 6181.9
5969.5 1.2
40.97 10040
3.45 0.22
11.78
1.3 3.5
4.1 2.7
5.4 7.6
7693 383.9
10391.8 0.8
38.82 10012
4.70 8.27
18.77
0.8 2.6
3.7 2.3
5.6 6.7
5279.1 11362.9
10162.8 0.4
51.16 10003
2.98 17.82
18.67
2 2.9
3.6 2.3
5.6 7.2
3532.5 24099.5
12935.8 1.7
65.22 10015
6.80 0.95
43.51
1.1 2
4.4 2.2
3.5 8.1
7555.6 961.6
16889.7 1.8
74.25 10023
5.96 9.47
15.05
2.2 3.4
3.6 3.5
3.8 5.6
12049.8 7241.6
7158 1.4
46.4 10017
6.62 5.17
23.34
0.8 2.3
3.3 1.9
4.7 6.5
4631.5 6711.8
11422.1 1
59.98 50029
8.22 6.30
17.63
4 3.6
5.3 5.3
3.3 8.2
59856.3 4925.9
10615.6 1.3
64.24 50005
5.88 9.26
28.36
1.3 2.2
3.2 3.1
3.4 6.1
17976.5 7594.9
13305.2 0.7
65.93 50031
6.11 17.74
12.80
2 1.9
4.5 3.8
3.3 5.4
20527.8 9120.7
4954.9 0.8
40.32 10010
5.35 17.54
16.56
2.5 3.9
3.8 3.2
7 7.7
17917.6 45063.9
11440 1.9
55.87 50003
4.11 20.29
22.23
0.7 1
2.5 0.8
2.2 5.6
745.8 7570.3
9713 1
49.92 10016
10.35 13.15
15.98
0.9 1.5
4.3 2.7
4.2 9.4
13914.1 17662.5
18932.6 1.1
69.05 10013
6.08 15.24
17.39
0.9 2
3.6 1.4
3.6 5.4
3179.3 9366
4507.5 1.9
57.69 50001
8.92 8.42
42.87
0.6 2.3
3.5 1.4
4.8 7.6
4337.1 9027.5
7719.7 1.8
43.66 10041
8.14 7.72
21.01
1.6 2.1
3.4 2.1
2.2 4.6
1362.8 2629.8
5398.4 1.5
39.73 50002
11.17 4.03
10.35
1.2 2.3
4.9 1.3
2 6.4
5259.5 1099
4352 1.4
28.87 50028
16.56 13.90
10.32
0.8 1.5
4.8 1
1.8 7.3
3336.3 2320.7
8810.1 1.2
47.96 10004
20.15 16.12
7.93
1.7 2.4
3.9 1.7
4.2 6.8
14679.5 16970.7
5459.5 1
28.8 50007
28.55 11.38
9.40
0.9 1.8
3.5 1.2
2.5 6.5
7712.6 6005.3
5230.1 1
32.95
60
Lampiran 2 Output analisis diskriminan peubah tegakan yang mempengaruhi
backscatter ALOS PALSAR resolusi 6.25 m
DISCRIMINANT GROUPS=Class1 2 VARIABLES=LBDS_PO B_PO T_PO ANALYSIS ALL PRIORS EQUAL STATISTICS=MEAN STDDEV UNIVF BOXM
COEFF RAW CORR COV GCOV TCOV TABLE CROSSVALID PLOT=COMBINED SEPARATE MAP CLASSIFY=NONMISSING POOLED.
Discriminant
Lampiran 2.1 Analysis Case Processing Summary Unweighted Cases
N Percent
Valid 45
100.0 Excluded
Missing or out-of-range group codes .0
At least one missing discriminating variable .0
Both missing or out-of-range group codes and at least one missing discriminating
variable .0
Total .0
Total 45
100.0
Lampiran 2.2 Group Statistics
Class Mean
Std. Deviation Valid N listwise
Unweighted Weighted
1 LBDS_PO
16.5020 6.71006
17 17.000
B_PO 128.1000
54.22444 17
17.000 T_PO
16.5294 2.83103
17 17.000
2 LBDS_PO
21.3854 10.34090
28 28.000
B_PO 174.5518
103.42481 28
28.000 T_PO
17.7857 2.71289
28 28.000
Total LBDS_PO
19.5405 9.36613
45 45.000
B_PO 157.0033
90.28738 45
45.000 T_PO
17.3111 2.79466
45 45.000
Lampiran 2.3 Tests of Equality of Group Means
Wilks Lambda F
df1 df2
Sig. LBDS_PO
.935 3.007
1 43
.090 B_PO
.936 2.922
1 43
.095 T_PO
.951 2.196
1 43
.146
Lampiran 2.4 Pooled Within-Groups Matrices
a
LBDS_PO B_PO
T_PO Covariance
LBDS_PO 83.898
782.099 12.106
B_PO 782.099
7810.589 109.344
T_PO 12.106
109.344 7.603
Correlation LBDS_PO
1.000 .966
.479 B_PO
.966 1.000
.449 T_PO
.479 .449
1.000 a. The covariance matrix has 43 degrees of freedom.
61
Lampiran 2.5 Covariance Matrices
a
Class LBDS_PO
B_PO T_PO
1 LBDS_PO
45.025 362.297
11.394 B_PO
362.297 2940.290
93.677 T_PO
11.394 93.677
8.015 2
LBDS_PO 106.934
1030.870 12.528
B_PO 1030.870
10696.692 118.628
T_PO 12.528
118.628 7.360
Total LBDS_PO
87.724 818.858
13.306 B_PO
818.858 8151.812
120.888 T_PO
13.306 120.888
7.810 a. The total covariance matrix has 44 degrees of freedom.
Analysis 1
Boxs Test of Equality of Covariance Matrices
Lampiran 2.6 Log Determinants
Class Rank
Log Determinant 1
3 8.631
2 3
13.077 Pooled within-groups
3 12.447
The ranks and natural logarithms of determinants printed are those of the group covariance matrices.
Summary of Canonical Discriminant Functions
Lampiran 2.7 Eigenvalues Function
Eigenvalue of Variance
Cumulative Canonical Correlation
1 .083
a
100.0 100.0
.278 a. First 1 canonical discriminant functions were used in the analysis.
Lampiran 2.8 Wilks Lambda
Test of Functions
Wilks Lambda Chi-square
df Sig.
1 .923
3.327 3
.344
Lampiran 2.9 Standardized Canonical Discriminant Function Coefficients
Function 1
LBDS_PO .342
B_PO .369
T_PO .453
62
Lampiran 2.10 Structure Matrix
Function 1
LBDS_PO .915
B_PO .902
T_PO .782
Pooled within-groups correlations between discriminating variables and standardized canonical discriminant functions
Variables ordered by absolute size of correlation within function.
Lampiran 2.11 Canonical Discriminant Function Coefficients
Function 1
LBDS_PO .037
B_PO .004
T_PO .164
Constant -4.227
Unstandardized coefficients
Lampiran 2.12 Functions at Group Centroids
Class Function
1 1
-.362 2
.220 Unstandardized canonical discriminant functions
evaluated at group means
Classification Statistics
Lampiran 2.13 Classification Processing Summary
Processed 45
Excluded Missing or out-of-range group codes
At least one missing discriminating variable Used in Output
45
Lampiran 2.14 Prior Probabilities for Groups
Class Prior
Cases Used in Analysis Unweighted
Weighted 1
.500 17
17.000 2
.500 28
28.000 Total
1.000 45
45.000
63
Lampiran 2.15 Classification Function Coefficients