Keanekaragaman Ikan dan Hubungannya dengan Kualitas Air di Perairan Sungai Bingei, Binjai
46
Lampiran 1. Peta Lokasi Penelitian
Keterangan
Stasiun 1
Stasiun 2
Stasiun 3
: Daerah Kontrol
: Daerah Pengerukan Pasir
: Daerah Perkebunan
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Lampiran 2.
Bagan Kerja Metode Winkler untuk Mengukur Kelarutan
Oksigen (DO)
Sampel Air
1 ml MnSO4
1 ml KOH – KI
dikocok
didiamkan
Sampel Dengan
Endapan Putih/Coklat
1 ml H2SO4
dikocok
didiamkan
Larutan Sampel
Berwarna Coklat
diambil sebanyak 100 ml
ditetesi Na2S2O3 0,0125 N
Sampel Berwarna
Kuning Pucat
ditambahkan 5 tetes amilum
Sampel Berwarna
Biru
dititrasi dengan Na2S2O3 0,0125 N
Sampel Bening
Dihitung volume Na2S2O3 yang terpakai
(= nilai DO akhir)
Hasil
(Suin, 2002)
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Lampiran 3. Bagan Kerja Metode Winkler untuk Mengukur BOD 5
Sampel Air
Sampel Air
Sampel Air
diinkubasi selama 5 hari
pada temperatur 20°C
dihitung nilai DO awal
dihitung nilai DO akhir
DO Akhir
DO Awal
Keterangan :
•
•
Penghitungan nilai DO awal dan DO akhir sama
dengan penghitungan Nilai DO
Nilai BOD5 = Nilai awal – Nilai DO akhir
(Suin, 2002)
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Lampiran 4. Tabel Kelarutan O2 (Oksigen)
T˚C
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0,0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
0,9
14,6
13,77
13,40
13,05
12,70
12,37
12,06
11,76
11,47
11,19
10,92
10,67
10,43
10,20
9,98
9,76
9,56
9,37
9,18
9,01
8,84
8,68
8,53
8,38
8,25
8,11
7,99
7,86
7,75
7,64
7,53
14,12
13,74
13,37
13,01
12,67
12,34
12,03
11,73
11,44
11,16
10,90
10,65
10,40
10,17
9,95
9,74
9,54
9,35
9,18
8,99
8,83
8,67
8,52
8,37
8,23
8,10
7,97
7,85
7,74
7,62
7,52
14,08
13,70
13,33
12,98
12,64
12,31
12,00
11,70
11,41
11,14
10,87
10,62
10,38
10,15
9,93
9,72
9,52
9,33
9,15
8,98
8,81
8,65
8,50
8,36
8,22
8,09
7,96
7,84
7,72
7,61
7,51
14,04
13,66
13,30
12,94
12,60
12,28
11,97
11,67
11,38
11,11
10,85
10,60
10,36
10,13
9,91
9,70
9,50
9,31
9,13
8,96
8,79
8,64
8,49
8,34
8,21
8,07
7,95
7,83
7,71
7,60
7,50
14,00
13,63
13,26
12,91
12,57
12,25
11,94
11,64
11,36
11,08
10,82
10,57
10,34
10,11
9,89
9,68
9,48
9,30
9,12
8,94
8,78
8,62
8,47
8,33
8,19
8,06
7,94
7,82
7,70
7,59
7,48
13,97
13,59
13,22
12,87
12,54
12,22
11,91
11,61
11,33
11,06
10,80
10,55
10,31
10,09
9,87
9,66
9,46
9,28
9,10
8,93
8,76
8,61
8,46
8,32
8,18
8,05
7,92
7,81
7,69
7,58
7,47
13,93
13,55
13,19
12,84
12,51
12,18
11,88
11,58
11,30
11,03
10,77
10,53
10,29
10,06
9,85
9,64
9,45
9,26
9,08
8,91
8,75
8,59
8,44
8,30
8,17
8,04
7,91
7,79
7,68
7,57
7,46
13,89
13,51
13,15
12,81
12,47
12,15
11,85
11,55
11,27
11,00
10,75
10,50
10,27
10,04
9,83
9,62
9,43
9,24
9,06
8,89
58,73
8,58
8,43
8,29
8,15
8,02
7,90
7,78
7,67
7,56
7,45
13,85
13,48
13,12
12,77
12,44
12,12
11,82
11,52
11,25
10,98
10,72
10,48
10,24
10,02
9,81
9,60
9,41
9,22
9,04
8,88
8,71
8,56
8,41
8,27
8,14
8,01
7,89
7,77
7,66
7,55
7,44
13,81
13,44
13,08
12,74
12,41
12,09
11,79
11,50
11,22
10,95
10,70
10,45
10,22
10,00
9,78
9,58
9,39
9,20
9,03
8,86
8,70
8,55
8,40
8,26
8,13
8,00
7,88
7,76
7,65
7,54
7,43
(Barus, 2004)
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Lampiran 5. Bagan Kerja Pengukuran Nitrat (NO 3 )
5 ml Sampel Air
1 ml NaCl (pipet volum)
5 ml H 2 SO 4
4 tetes Brucine Sulfat
Sulfanic acid
Larutan
Dipanaskan selama 25 menit
Larutan
Didinginkan
Diukur dengan
Spektrofotometer pada λ =
410 nm
Hasil
\
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Lampiran 5. Bagan Kerja Pengukuran Fosfat (PO 4 3-)
5 ml Sampel Air
1 ml Amstrong Reagent
1 ml Ascorbic Acid
Larutan
Dibiarka selama 20 menit
Diukur dengan
Spektrofotometer pada λ =
880 nm
Hasil
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Lampiran 7. Panjang dan Berat Ikan
a. Ikan Nila (Oreochromis niloticus)
No
Length (L)
Weight (W)
Log L
0.50514998
Log L*Log
W
0.400276645
1
6.2
3.2
0.79239169
0.62788459
2
5
2.3
0.69897
0.36172784
0.252836907
0.48855907
3
5.2
2.6
0.71600334
0.41497335
0.297122305
0.51266079
4
13.5
47.2
1.13033377
1.673942
1.892113168
1.27765443
5
12.7
36.1
1.10380372
1.5575072
1.719182245
1.21838265
6
12.3
32.3
1.08990511
1.50920252
1.644887543
1.18789315
7
11.9
27.5
1.07554696
1.43933269
1.548069905
1.15680127
8
13.7
48.1
1.13672057
1.68214508
1.912128905
1.29213365
9
13
36.5
1.11394335
1.56229286
1.740305751
1.24086979
8.857619
10.70627
11.40692
9.002839
total
Log W
Log L2
b. Ikan Hampala (Hampala macrolepidota)
No
Length (L)
Weight (W)
Log L
Log W
1
2
3
11.2
12.2
11.4
5.7
6.1
5.8
1.04921802
1.08635983
1.05690485
0.75587486
0.78532984
0.76342799
0.793077521
0.853150787
0.80687075
1.10085846
1.18017768
1.11704786
3.192483
2.304633
2.453099
4.562072
Total
Log L*Log W
Log L2
c. Ikan cencen (Mystacoleucus marginatus)
No
Length (L)
12.6
Weight
(W)
18.8
Log L
Log W
Log L*Log W
Log L2
1.10037055
1.27415785
1.402045767
1.21081534
12.7
20.7
1.10380372
1.31597035
1.452572964
1.21838265
9.6
7.3
0.98227123
0.86332286
0.84801721
0.96485678
9.2
6.9
0.96378783
0.83884909
0.808472543
0.92888698
7.5
4.5
0.87506126
0.65321251
0.571600968
0.76573221
Total
5.02529459
4.94551266
5.082709452
5.08867396
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d. Ikan (Puntius lateristriga)
No
Length (L)
Weight (W)
Log L
1
10.8
8.5
1.03342376
0.92941893
0.960483597
1.06796466
2
11.4
8.9
1.05690485
0.94939001
1.003414904
1.11704786
2.090329
1.858838
1.942791
2.185013
Total
Log W
Log L*Log W
Log L2
e. Ikan jurung (Tor tambroides)
No
Length (L)
Weight (W)
Log L
Log W
0.91907809
Log L*Log
W
0.906920283
1
9.7
8.3
0.98677173
2
9.1
7.8
3
14
4
0.97371846
0.95904139
0.8920946
0.85555565
0.91976039
25.6
1.14612804
1.40823997
1.614023305
1.31360947
11.5
13.1
1.06069784
1.1172713
1.18508725
1.12507991
5
11.6
14.4
1.06445799
1.15836249
1.233028209
1.13307081
6
12.6
14.2
1.10037055
1.15228834
1.267944154
1.21081534
6.317468
6.647335
7.062559
6.676054
Total
Log L2
f. Ikan Baung (Mystus nemurus)
No
Length (L)
Weight (W)
Log L
Log W
0.90848502
Log L*Log
W
0.92773518
1
10.5
8.1
1.0211893
2
12.8
9.7
3
11.7
4
Log L2
1.04282758
1.10720997
0.98677173
1.092563502
1.22591392
9.1
1.06818586
0.95904139
1.024434456
1.14102104
13.3
9.5
1.12385164
0.97772361
1.098816278
1.26304251
5
12.2
9.4
1.08635983
0.97312785
1.05716701
1.18017768
6
11.8
9.4
1.07188201
0.97312785
1.043078237
1.14893104
7
12
9.3
1.07918125
0.96848295
1.045168635
1.16463216
8
11.9
9.5
1.07554696
0.97772361
1.051587653
1.15680127
Total
8.633407
7.724484
8.340551
9.323347
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g.
Ikan Lele Merah (Glypthotorax platygonoides)
No
Length (L)
Weight (W)
Log L
Log W
0.77085201
Log L*Log
W
0.876243336
1
13.7
5.9
1.13672057
2
14.2
6.1
3
14.3
4
1.29213365
1.15228834
0.78532984
0.904926415
1.32776843
6.2
1.15533604
0.79239169
0.915478675
1.33480136
13.7
6
1.13672057
0.77815125
0.884540531
1.29213365
5
13.5
5.7
1.13033377
0.75587486
0.854390874
1.27765443
6
14.1
6.3
1.14921911
0.79934055
0.918617437
1.32070457
7
13.2
5.1
1.12057393
0.70757018
0.792884694
1.25568594
8
13.8
6
1.13987909
0.77815125
0.886998336
1.29932433
Total
9.121071
6.167662
7.03408
10.40021
Log a =
Log b =
Log L2
∑ log W x ∑(log L)2− ∑ log L x ∑(log L x log W )
N.∑(log L)2−(∑ log L)2
∑ log W −(N log a)
∑ log L
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Lampiran 8. Contoh Perhitungan
Kepadatan (K) ikan Oreochromis niloticus
Jumlah individu suatu spesies / ulangan
Luas jala
KP =
12/30
=
12,56
jumlah K dalam setiap spesies
x 100 %
total K
KR =
=
FK =
=
= 0,013 ind/m2
0,013
0,034
x100% = 38,46%
Jumlah plot yang ditempati suatu jenis
x 100%
Jumlah total plot
5
30
x 100% = 16,67%
Indeks Diversitas Shannon-Wiener (Indeks Keanekaragaman) stasiun 2
H’ = − ∑ pi ln pi
H’ = - ∑ (� ln �+� ln �+ � ln �+� ln �
5
5
2
2
2
2
4
4
13
13
13
13
13
13
13
13
H’ = - ∑ (- 0,363)+(- 0,28)+(- 0,28)+ (- 0, 353)
H’= 1,306
Indeks Keseragaman
H'
E=
H max
1,306
E =
ln 4
= 0,942
Indeks Similaritas
2c
x100%
IS =
a+b
2( 2)
x100%
IS =
4+4
= 50%
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Lampiran 9. Hasil Korelasi
Correlations
Keanekaragaman
Keanekaragaman
Pearson Correlation
1
Sig. (2-tailed)
N
Suhu
Pearson Correlation
Sig. (2-tailed)
N
Kec. Arus
Kej. Oksigen
.611
.097
.690
.056
.156
.083
3
3
3
3
3
3
1
.611
pH
BOD Nitrat Phosfat
.574 -.719 -.574
-.981
.611
.490
3
3
**
-.463 -1.000
.611
.123
3
3
**
.982 1.000
.721
-.691
.455
-.500
-.756
.514
.699
.667
.454
.693
.000
.121
.000
.488
3
3
3
3
-.691
-.999*
.514
.026
3
3
3
3
3
Pearson Correlation
.988
-.691
1
.329
.971
.996
.960
.691 -.816
Sig. (2-tailed)
.097
.514
.787
.153
.060
.180
.514
.393
3
3
3
3
3
3
3
3
3
3
3
Pearson Correlation
.468
.455
.329
1
.544
.239
.579
-.455
.278
.455
-.290
Sig. (2-tailed)
.690
.699
.787
.634
.846
.607
.699
.820
.699
.813
3
3
3
3
3
3
3
3
3
3
.945
*
.500 -.655
-.500
-.961
3
Pearson Correlation
.996
-.500
.971
.544
Sig. (2-tailed)
.056
.667
.153
.634
.212
.027
.667
.546
.667
.179
3
3
3
3
3
3
3
3
3
3
3
Pearson Correlation
.970
-.756
.996
.239
.945
1
.930
.756 -.866
-.756
-.999*
Sig. (2-tailed)
N
.156
3
.454
3
.060
3
.846
3
.212
3
3
.239
3
.454
3
.333
3
.454
3
.033
3
.992
-.463
.960
1
.463 -.622
-.463
-.948
N
DO
Kej.
DO
Oksigen
.970
.992
3
N
Pen. Cahaya
-.574
Pen.
Cahaya
.996
3
N
Int. Cahaya
3
Suhu
Kec. Arus Int. Cahaya
-.574
.988
.468
Pearson Correlation
1
.999
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Sig. (2-tailed)
.083
.693
.180
.607
.027
.239
3
3
3
3
3
3
Pearson Correlation
.574
**
.691
-.455
.500
.756
.463
Sig. (2-tailed)
.611
.000
.514
.699
.667
.454
.693
3
3
3
3
3
3
3
-.719
.982
-.816
.278
-.655
-.866
.490
.121
.393
.820
.546
3
3
3
3
3
-.574
**
-.691
.455
-.500
-.756
.611
.000
.514
.699
.667
.454
.693
.000
3
3
3
3
3
3
3
3
3
3
3
-.981
.721
*
-.290
-.961
*
-.948
-.721
.839
.721
1
.123
.488
.026
.813
.179
.033
.206
.488
.367
.488
3
3
3
3
3
3
3
3
3
3
N
pH
N
BOD
Pearson Correlation
Sig. (2-tailed)
N
Nitrat
Pearson Correlation
Sig. (2-tailed)
N
Phosfat
Pearson Correlation
Sig. (2-tailed)
N
-1.000
1.000
-.999
.693
.572
3
3
.206
3
3
**
-.721
.121
.000
.488
3
3
3
3
-.622
-.982
1
.982
.839
.333
.572
.121
.121
.367
3
3
3
3
3
3
**
.982
1
.721
-.999
3
.693
1 -.982 -1.000
-.463 -1.000
.488
3
**. Correlation is significant at the 0.01 level (2-tailed).
*. Correlation is significant at the 0.05 level (2-tailed).
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Lampiran 1. Peta Lokasi Penelitian
Keterangan
Stasiun 1
Stasiun 2
Stasiun 3
: Daerah Kontrol
: Daerah Pengerukan Pasir
: Daerah Perkebunan
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Lampiran 2.
Bagan Kerja Metode Winkler untuk Mengukur Kelarutan
Oksigen (DO)
Sampel Air
1 ml MnSO4
1 ml KOH – KI
dikocok
didiamkan
Sampel Dengan
Endapan Putih/Coklat
1 ml H2SO4
dikocok
didiamkan
Larutan Sampel
Berwarna Coklat
diambil sebanyak 100 ml
ditetesi Na2S2O3 0,0125 N
Sampel Berwarna
Kuning Pucat
ditambahkan 5 tetes amilum
Sampel Berwarna
Biru
dititrasi dengan Na2S2O3 0,0125 N
Sampel Bening
Dihitung volume Na2S2O3 yang terpakai
(= nilai DO akhir)
Hasil
(Suin, 2002)
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Lampiran 3. Bagan Kerja Metode Winkler untuk Mengukur BOD 5
Sampel Air
Sampel Air
Sampel Air
diinkubasi selama 5 hari
pada temperatur 20°C
dihitung nilai DO awal
dihitung nilai DO akhir
DO Akhir
DO Awal
Keterangan :
•
•
Penghitungan nilai DO awal dan DO akhir sama
dengan penghitungan Nilai DO
Nilai BOD5 = Nilai awal – Nilai DO akhir
(Suin, 2002)
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Lampiran 4. Tabel Kelarutan O2 (Oksigen)
T˚C
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0,0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
0,9
14,6
13,77
13,40
13,05
12,70
12,37
12,06
11,76
11,47
11,19
10,92
10,67
10,43
10,20
9,98
9,76
9,56
9,37
9,18
9,01
8,84
8,68
8,53
8,38
8,25
8,11
7,99
7,86
7,75
7,64
7,53
14,12
13,74
13,37
13,01
12,67
12,34
12,03
11,73
11,44
11,16
10,90
10,65
10,40
10,17
9,95
9,74
9,54
9,35
9,18
8,99
8,83
8,67
8,52
8,37
8,23
8,10
7,97
7,85
7,74
7,62
7,52
14,08
13,70
13,33
12,98
12,64
12,31
12,00
11,70
11,41
11,14
10,87
10,62
10,38
10,15
9,93
9,72
9,52
9,33
9,15
8,98
8,81
8,65
8,50
8,36
8,22
8,09
7,96
7,84
7,72
7,61
7,51
14,04
13,66
13,30
12,94
12,60
12,28
11,97
11,67
11,38
11,11
10,85
10,60
10,36
10,13
9,91
9,70
9,50
9,31
9,13
8,96
8,79
8,64
8,49
8,34
8,21
8,07
7,95
7,83
7,71
7,60
7,50
14,00
13,63
13,26
12,91
12,57
12,25
11,94
11,64
11,36
11,08
10,82
10,57
10,34
10,11
9,89
9,68
9,48
9,30
9,12
8,94
8,78
8,62
8,47
8,33
8,19
8,06
7,94
7,82
7,70
7,59
7,48
13,97
13,59
13,22
12,87
12,54
12,22
11,91
11,61
11,33
11,06
10,80
10,55
10,31
10,09
9,87
9,66
9,46
9,28
9,10
8,93
8,76
8,61
8,46
8,32
8,18
8,05
7,92
7,81
7,69
7,58
7,47
13,93
13,55
13,19
12,84
12,51
12,18
11,88
11,58
11,30
11,03
10,77
10,53
10,29
10,06
9,85
9,64
9,45
9,26
9,08
8,91
8,75
8,59
8,44
8,30
8,17
8,04
7,91
7,79
7,68
7,57
7,46
13,89
13,51
13,15
12,81
12,47
12,15
11,85
11,55
11,27
11,00
10,75
10,50
10,27
10,04
9,83
9,62
9,43
9,24
9,06
8,89
58,73
8,58
8,43
8,29
8,15
8,02
7,90
7,78
7,67
7,56
7,45
13,85
13,48
13,12
12,77
12,44
12,12
11,82
11,52
11,25
10,98
10,72
10,48
10,24
10,02
9,81
9,60
9,41
9,22
9,04
8,88
8,71
8,56
8,41
8,27
8,14
8,01
7,89
7,77
7,66
7,55
7,44
13,81
13,44
13,08
12,74
12,41
12,09
11,79
11,50
11,22
10,95
10,70
10,45
10,22
10,00
9,78
9,58
9,39
9,20
9,03
8,86
8,70
8,55
8,40
8,26
8,13
8,00
7,88
7,76
7,65
7,54
7,43
(Barus, 2004)
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Lampiran 5. Bagan Kerja Pengukuran Nitrat (NO 3 )
5 ml Sampel Air
1 ml NaCl (pipet volum)
5 ml H 2 SO 4
4 tetes Brucine Sulfat
Sulfanic acid
Larutan
Dipanaskan selama 25 menit
Larutan
Didinginkan
Diukur dengan
Spektrofotometer pada λ =
410 nm
Hasil
\
50
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Lampiran 5. Bagan Kerja Pengukuran Fosfat (PO 4 3-)
5 ml Sampel Air
1 ml Amstrong Reagent
1 ml Ascorbic Acid
Larutan
Dibiarka selama 20 menit
Diukur dengan
Spektrofotometer pada λ =
880 nm
Hasil
51
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Lampiran 7. Panjang dan Berat Ikan
a. Ikan Nila (Oreochromis niloticus)
No
Length (L)
Weight (W)
Log L
0.50514998
Log L*Log
W
0.400276645
1
6.2
3.2
0.79239169
0.62788459
2
5
2.3
0.69897
0.36172784
0.252836907
0.48855907
3
5.2
2.6
0.71600334
0.41497335
0.297122305
0.51266079
4
13.5
47.2
1.13033377
1.673942
1.892113168
1.27765443
5
12.7
36.1
1.10380372
1.5575072
1.719182245
1.21838265
6
12.3
32.3
1.08990511
1.50920252
1.644887543
1.18789315
7
11.9
27.5
1.07554696
1.43933269
1.548069905
1.15680127
8
13.7
48.1
1.13672057
1.68214508
1.912128905
1.29213365
9
13
36.5
1.11394335
1.56229286
1.740305751
1.24086979
8.857619
10.70627
11.40692
9.002839
total
Log W
Log L2
b. Ikan Hampala (Hampala macrolepidota)
No
Length (L)
Weight (W)
Log L
Log W
1
2
3
11.2
12.2
11.4
5.7
6.1
5.8
1.04921802
1.08635983
1.05690485
0.75587486
0.78532984
0.76342799
0.793077521
0.853150787
0.80687075
1.10085846
1.18017768
1.11704786
3.192483
2.304633
2.453099
4.562072
Total
Log L*Log W
Log L2
c. Ikan cencen (Mystacoleucus marginatus)
No
Length (L)
12.6
Weight
(W)
18.8
Log L
Log W
Log L*Log W
Log L2
1.10037055
1.27415785
1.402045767
1.21081534
12.7
20.7
1.10380372
1.31597035
1.452572964
1.21838265
9.6
7.3
0.98227123
0.86332286
0.84801721
0.96485678
9.2
6.9
0.96378783
0.83884909
0.808472543
0.92888698
7.5
4.5
0.87506126
0.65321251
0.571600968
0.76573221
Total
5.02529459
4.94551266
5.082709452
5.08867396
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d. Ikan (Puntius lateristriga)
No
Length (L)
Weight (W)
Log L
1
10.8
8.5
1.03342376
0.92941893
0.960483597
1.06796466
2
11.4
8.9
1.05690485
0.94939001
1.003414904
1.11704786
2.090329
1.858838
1.942791
2.185013
Total
Log W
Log L*Log W
Log L2
e. Ikan jurung (Tor tambroides)
No
Length (L)
Weight (W)
Log L
Log W
0.91907809
Log L*Log
W
0.906920283
1
9.7
8.3
0.98677173
2
9.1
7.8
3
14
4
0.97371846
0.95904139
0.8920946
0.85555565
0.91976039
25.6
1.14612804
1.40823997
1.614023305
1.31360947
11.5
13.1
1.06069784
1.1172713
1.18508725
1.12507991
5
11.6
14.4
1.06445799
1.15836249
1.233028209
1.13307081
6
12.6
14.2
1.10037055
1.15228834
1.267944154
1.21081534
6.317468
6.647335
7.062559
6.676054
Total
Log L2
f. Ikan Baung (Mystus nemurus)
No
Length (L)
Weight (W)
Log L
Log W
0.90848502
Log L*Log
W
0.92773518
1
10.5
8.1
1.0211893
2
12.8
9.7
3
11.7
4
Log L2
1.04282758
1.10720997
0.98677173
1.092563502
1.22591392
9.1
1.06818586
0.95904139
1.024434456
1.14102104
13.3
9.5
1.12385164
0.97772361
1.098816278
1.26304251
5
12.2
9.4
1.08635983
0.97312785
1.05716701
1.18017768
6
11.8
9.4
1.07188201
0.97312785
1.043078237
1.14893104
7
12
9.3
1.07918125
0.96848295
1.045168635
1.16463216
8
11.9
9.5
1.07554696
0.97772361
1.051587653
1.15680127
Total
8.633407
7.724484
8.340551
9.323347
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g.
Ikan Lele Merah (Glypthotorax platygonoides)
No
Length (L)
Weight (W)
Log L
Log W
0.77085201
Log L*Log
W
0.876243336
1
13.7
5.9
1.13672057
2
14.2
6.1
3
14.3
4
1.29213365
1.15228834
0.78532984
0.904926415
1.32776843
6.2
1.15533604
0.79239169
0.915478675
1.33480136
13.7
6
1.13672057
0.77815125
0.884540531
1.29213365
5
13.5
5.7
1.13033377
0.75587486
0.854390874
1.27765443
6
14.1
6.3
1.14921911
0.79934055
0.918617437
1.32070457
7
13.2
5.1
1.12057393
0.70757018
0.792884694
1.25568594
8
13.8
6
1.13987909
0.77815125
0.886998336
1.29932433
Total
9.121071
6.167662
7.03408
10.40021
Log a =
Log b =
Log L2
∑ log W x ∑(log L)2− ∑ log L x ∑(log L x log W )
N.∑(log L)2−(∑ log L)2
∑ log W −(N log a)
∑ log L
54
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Lampiran 8. Contoh Perhitungan
Kepadatan (K) ikan Oreochromis niloticus
Jumlah individu suatu spesies / ulangan
Luas jala
KP =
12/30
=
12,56
jumlah K dalam setiap spesies
x 100 %
total K
KR =
=
FK =
=
= 0,013 ind/m2
0,013
0,034
x100% = 38,46%
Jumlah plot yang ditempati suatu jenis
x 100%
Jumlah total plot
5
30
x 100% = 16,67%
Indeks Diversitas Shannon-Wiener (Indeks Keanekaragaman) stasiun 2
H’ = − ∑ pi ln pi
H’ = - ∑ (� ln �+� ln �+ � ln �+� ln �
5
5
2
2
2
2
4
4
13
13
13
13
13
13
13
13
H’ = - ∑ (- 0,363)+(- 0,28)+(- 0,28)+ (- 0, 353)
H’= 1,306
Indeks Keseragaman
H'
E=
H max
1,306
E =
ln 4
= 0,942
Indeks Similaritas
2c
x100%
IS =
a+b
2( 2)
x100%
IS =
4+4
= 50%
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Lampiran 9. Hasil Korelasi
Correlations
Keanekaragaman
Keanekaragaman
Pearson Correlation
1
Sig. (2-tailed)
N
Suhu
Pearson Correlation
Sig. (2-tailed)
N
Kec. Arus
Kej. Oksigen
.611
.097
.690
.056
.156
.083
3
3
3
3
3
3
1
.611
pH
BOD Nitrat Phosfat
.574 -.719 -.574
-.981
.611
.490
3
3
**
-.463 -1.000
.611
.123
3
3
**
.982 1.000
.721
-.691
.455
-.500
-.756
.514
.699
.667
.454
.693
.000
.121
.000
.488
3
3
3
3
-.691
-.999*
.514
.026
3
3
3
3
3
Pearson Correlation
.988
-.691
1
.329
.971
.996
.960
.691 -.816
Sig. (2-tailed)
.097
.514
.787
.153
.060
.180
.514
.393
3
3
3
3
3
3
3
3
3
3
3
Pearson Correlation
.468
.455
.329
1
.544
.239
.579
-.455
.278
.455
-.290
Sig. (2-tailed)
.690
.699
.787
.634
.846
.607
.699
.820
.699
.813
3
3
3
3
3
3
3
3
3
3
.945
*
.500 -.655
-.500
-.961
3
Pearson Correlation
.996
-.500
.971
.544
Sig. (2-tailed)
.056
.667
.153
.634
.212
.027
.667
.546
.667
.179
3
3
3
3
3
3
3
3
3
3
3
Pearson Correlation
.970
-.756
.996
.239
.945
1
.930
.756 -.866
-.756
-.999*
Sig. (2-tailed)
N
.156
3
.454
3
.060
3
.846
3
.212
3
3
.239
3
.454
3
.333
3
.454
3
.033
3
.992
-.463
.960
1
.463 -.622
-.463
-.948
N
DO
Kej.
DO
Oksigen
.970
.992
3
N
Pen. Cahaya
-.574
Pen.
Cahaya
.996
3
N
Int. Cahaya
3
Suhu
Kec. Arus Int. Cahaya
-.574
.988
.468
Pearson Correlation
1
.999
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Sig. (2-tailed)
.083
.693
.180
.607
.027
.239
3
3
3
3
3
3
Pearson Correlation
.574
**
.691
-.455
.500
.756
.463
Sig. (2-tailed)
.611
.000
.514
.699
.667
.454
.693
3
3
3
3
3
3
3
-.719
.982
-.816
.278
-.655
-.866
.490
.121
.393
.820
.546
3
3
3
3
3
-.574
**
-.691
.455
-.500
-.756
.611
.000
.514
.699
.667
.454
.693
.000
3
3
3
3
3
3
3
3
3
3
3
-.981
.721
*
-.290
-.961
*
-.948
-.721
.839
.721
1
.123
.488
.026
.813
.179
.033
.206
.488
.367
.488
3
3
3
3
3
3
3
3
3
3
N
pH
N
BOD
Pearson Correlation
Sig. (2-tailed)
N
Nitrat
Pearson Correlation
Sig. (2-tailed)
N
Phosfat
Pearson Correlation
Sig. (2-tailed)
N
-1.000
1.000
-.999
.693
.572
3
3
.206
3
3
**
-.721
.121
.000
.488
3
3
3
3
-.622
-.982
1
.982
.839
.333
.572
.121
.121
.367
3
3
3
3
3
3
**
.982
1
.721
-.999
3
.693
1 -.982 -1.000
-.463 -1.000
.488
3
**. Correlation is significant at the 0.01 level (2-tailed).
*. Correlation is significant at the 0.05 level (2-tailed).
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