Lampiran 1. Bobot kering (g) sisa serasah
Avicennia alba
tiap ulangan pada
berbagai tingkat salinitas.
Salinitas Ulangan Lama masa dekomposisi
(hari)
0 15 30 45 60 75 90
U1 50 48.21 43.33 33.77 21.04 14.23 11.07
0-10 ppt U2 50 48.13 42.92 33.46 19.99 13.58 10.81
U3 50 48 43.07 33.83 19.86 12.98 10.33
sub total 150 144.34 129.32 101.06 60.89 40.79 32.21
rata rata 50 48.11 43.11 33.69 20.30 13.60 10.74
U1 50 47.52 42.16 32.17 19.97 13 9.71
10-20 ppt U2 50 47.31 43.53 30.1 20.03 12.85 10.15
U3 50 48.01 42.22 32.05 19.89 12.65 9.93
sub total 150 142.84 127.91 94.32 59.89 38.5 29.79
rata rata 50 47.61 42.64 31.44 19.96 12.83 9.93
U1 50 48.67 44.2 34.18 22.43 15.55 12.48
20-30 ppt U2 50 49.02 43.76 33.97 21.65 14.67 13.39
U3 50 48.88 43.87 33.76 21.77 14.92 13.18
Sub total 150 146.57 131.83 101.91 65.85 45.14 39.05
Lampiran 2. Perhitungan Laju Dekomposisi Metode Olson (1963):
In (Xt/Xo)
= -kt
Keterangan : X
t
= Bobot kering serasah setelah periode pengamatan ke-t (g)
50
Lampiran 2. Lanjutan
-4,05 k = In 0,1986
-4,05 k = -1,6164
k = 0,3991
3.
Xo = 50 g
Xt
= 13,02 gr
t
=
hari setahun
hari lama dekomposisi
t
= 365 = 4,05
90
-4,05 k = In 13,02
50
-4,05 k = In 0,2604
-4,05 k = -1,3455
k = 0,3322
Lampiran 3. Uji independent t test Dekomposisi serasah terdapat di lingkungan
dengan berbagai tingkat salinitas
Test Value = 0
T df Sig. (2-tailed) Mean
Difference
95% Confidence Interval of the Difference
Lower Upper
Lampiran 4. Hasil analisis serasah
Avicennia alba
Unsur Hara Karbon (C)
Hari
Tingkat Salinitas
0 - 10 ppt
11 - 20 ppt
21 - 30 ppt
15 hari
15,43
17,16
15,58
60 hari
17,27
17,43
18,12
90 hari
15,86
17,91
15,64
Unsur Hara Nitrogen
Hari
Tingkat Salinitas
0 - 10 ppt
11 - 20 ppt
21 - 30 ppt
15 hari
2,1
2,12
2,07
60 hari
1,93
2,1
1,72
90 hari
1,83
2,1
2,15
Unsur Hara Fosfor (P)
Rasio C/N
Hari
Tingkat Salinitas
0 - 10 ppt
11 - 20 ppt
21 - 30 ppt
15 hari
7,34
8,09
7,52
60 hari
8,94
8,3
10,.53
90 hari
8,66
8,52
7,27
Hari
Tingkat Salinitas
0
–
10 ppt
11 - 20 ppt
21 - 30 ppt
15 hari
0,15
0,17
0,17
60 hari
0,16
0,19
0,15
Lampiran 5. Jumlah organisme yang terdapat pada serasah
Avicennia alba
Salinitas Kantong Hari ke- Organisme Jumlah
U3 45 Cacing 1
Lampiran 5. Lanjutan
Lampiran 6. Hasil Uji
independent t test
Pada tingkat salinitas 0-10
–
11-20 ppt
Levene's Test forEquality of Variances
t-test for Equality of Means
F Sig. T df Sig.
(2-95% Confidence Interval of the Difference
Lower Upper
Unsur hara C
Equal variances
assumed 3,430 0,138 -2,198 4 0,093 -1,31333 0,59742 -2,97204 0,34537
Equal variances
not assumed -2,198 2,608 0,129 -1,31333 0,59742 -3,38679 0,76013
Unsur hara N
Equal variances
assumed 5,503 0,079 -1,939 4 0,125 -0,15333 0,07909 -0,37293 0,06626
Equal variances
not assumed -1,939 2,029 0,190 -0,15333 0,07909 -0,48908 0,18241
Unsur hara P
Equal variances
assumed 0,308 0,609 -1,890 4 0,132 -0,01667 0,00882 -0,04115 0,00782
Equal variances
not assumed -1,890 3,920 0,133 -0,01667 0,00882 -0,04135 0,00802
Unsur hara CN
Equal variances
assumed 6,727 0,060 0,020 4 0,985 0,01000 0,50871 -1,40241 1,42241
Equal variances
Lampiran 6. Lanjutan
Hasil Uji
independent t test
Pada tingkat salinitas 0-10
–
21-30 ppt
Levene's Test forEquality of Variances
t-test for Equality of Means
F Sig. T df Sig.
(2-95% Confidence Interval of the Difference
Lower Upper
Unsur har C
Equal variances
assumed 10,132 0,033 1,049 4 0,353 0,58333 0,55602 -0,96042 2.12709
Equal variances
not assumed 1,049 2,004 0,404 0,58333 0,55602 -1,80392 2,97059
Unsur hara N
Equal variances
assumed 1,486 0,290 -0,173 4 0,871 -0,02667 0,15377 -0,45359 0,40026
Equal variances
not assumed -0,173 3,265 0,873 -0,02667 0,15377 -0,49433 0,44100
Unsur hara P
Equal variances
assumed 0,308 0,609 0,378 4 0,725 0,00333 0,00882 -0,02115 0,02782
Equal variances
not assumed 0,378 3,920 0,725 0,00333 0,00882 -0,02135 0,02802
Unsur hara CN
Equal variances
assumed 3,477 0,136 -0,109 4 0,918 -0,12667 1,15785 -3,34137 3,08803
Equal variances
Lampiran 6. Lanjutan
Hasil Uji
independent t test
Pada tingkat salinitas 11-20
–
21-30 ppt
Levene's Test forEquality of Variances
t-test for Equality of Means
F Sig. T df Sig.
(2-95% Confidence Interval of the Difference
Lower Upper
Unsur hara C
Equal variances
assumed 5,741 0,075 8,617 4 0,001 1,89667 0,22010 1,28557 2,50776
Equal variances
not assumed 8,617 2,029 0,013 1,89667 0,22010 0,96235 2,83099
Unsur hara N
Equal variances
assumed 11,193 0,029 0,958 4 0,392 0,12667 0,13220 -0,24039 0,49372
Equal variances
not assumed 0,958 2,010 0,439 0,12667 0,13220 -0,43940 0,69274
Unsur hara P
Equal variances
assumed 0,000 1,000 2,121 4 0,101 0,02000 0,00943 -0,00618 0,04618
Equal variances
not assumed 2,121 4,000 0,101 0,02000 0,00943 -0,00618 0,04618
Unsur hara CN
Equal variances
assumed 11,859 0,026 -0,130 4 0,903 -0,13667 1,05482 -3,06532 2,79198
Equal variances
