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LAMPIRAN

Lampiran 1.

Total biomassa dan karbon beberapa jenis tanaman hutan di Banakat, Sumatera Selatan, Tahun 2002

Umur

Kerapatan

Total biomassa

Total karbon

(th)

(phn/ha)

(ton/ha)

(ton/ha)

Mahoni (Swietenia macrophylla)

20

1.111

405.98

202.99

mangium (Acacia mangium)

6

1.111

199.69

99.85

Sungkai (Peronema canescens)

10

1.111

83.94

41.97

Jenis Tanaman

Lampiran 2.

Total biomassa dan karbon beberapa jenis tanaman hutan di Tanjungan, Lampung, Tahun 2003 Umur

Kerapatan

Total biomassa

Total karbon

(th)

(phn/ha)

(ton/ha)

(ton/ha)

Kemiri (Aleurites moluccana)

25

312

406.15

203.08

Puspa ( Schima walichii)

25

1.666

182.92

91.46

Sungkai (Peronema canescens)

25

1.666

182.57

91.29

Jenis Tanaman

Lampiran 3.

Total biomassa dan karbon beberapa jenis tanaman hutan di Kediri dan Jember, Jawa Timur, Tahun 2004 Umur

Kerapatan

Total biomassa

Total karbon

(th)

(phn/ha)

(ton/ha)

(ton/ha)

Sengon (Paraserianthes falcataria)

18

711

268.63

134.31

Mahoni (Swietenia macrophylla)

16

533

155.03

77.51

Pinus (Pinus merkusii)

14

622

167.88

83.94

Jenis Tanaman

Lampiran 4.

Nilai faktor kedalaman berbagai jenis tanah kategori sub order (USDA), Tahun 1973

No

Kategori sub order

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

Aqualf Udalf Ustalf Aquent Arents Fluvent Orthent Psamment Andept Aquept Tropept Alboll Aquall Rendoll Udoll Ustoll Aquox Hamox Orthox Ustox Aquod Ferrod Hummod Orthod Aquult Hummult Udult Ustult Udert Ustert

Nilai faktor kedalaman 0.90 0.90 0.90 0.90 1.00 1.00 1.00 1.00 1.00 0.95 1.00 0.75 0.90 0.90 1.00 1.00 0.90 1.00 0.90 0.90 0.90 0.95 1.00 0.95 0.8 1.0 0.8 0.8 1.0 1.0

Lampiran 5. Curah hujan rata-rata bulanan (mm) di lokasi penelitian 1996-2005

periode

Rata-

Bulan

1996

1997

1998

1999

2000

Tahun 2001

2002

2003

2004

2005

rata

Jan

113,5

416

230,8

134

227,8

127,1

201,6

164,9

294,5

330,1

224

Feb

271

46,5

109

232

225

109,8

161

245,1

130,2

351,1

188,1

Mar

221

189

208,3

243,9

218

244,6

228,6

234,2

195,8

422,4

240,6

Apr

181

180,1

176,4

148,5

256,7

199,5

364,7

357

293,5

203,4

236,1

Mei

197

79

380

285

222

280,2

409,5

214,6

166,2

173,1

240,7

Juni

256

133

343,6

231,5

494,3

144,2

325

185,7

111

71,1

229,5

Juli

290,2

51

297,3

213,5

241,1

104,2

15,6

181,3

174

79

164,7

Agst

242

0

227

18

129

3

114

110,2

6

78

92,7

Sept

21,5

0

112,1

75

8

65,1

0

43

3

56

38,4

Okt

191,8

0

264

111

155

48,3

0

54,4

0

280

110,5

Nov Des

150 230

24,1 83

239 108

244 267,9

211 95,5

196,7 258,7

61,9 396

237,5 236,6

22,6 158,8

355,4 450,8

174,2 228,5

Jumlah

2365

1201,7

2695,5

2204,3

2483,4

1781,4

2277,9

2264,5

1555,6

2850,4

2168

Sumber : Stasiun Meteorologi Wolter Monginsidi, 2006

Lampiran 6. Jumlah hari hujan rata-rata bulanan di lokasi penelitian periode 1996 – 2005 Tahun Bulan Jan

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

Rata-rata

14

20

12

10

16

15

18

14

19

21

15

Feb

22

7

10

10

12

16

14

14

14

19

14

Mar

15

12

14

15

15

22

23

18

13

24

17 19

Apr

15

19

16

14

19

18

21

25

16

23

Mei

22

9

23

21

15

18

12

16

14

26

18

Juni

18

13

19

17

25

15

19

13

12

12

16

Juli

17

7

23

12

17

15

7

17

16

10

14

Agst

15

0

17

10

6

5

1

15

3

10

8

Sept

3

0

17

7

2

9

0

6

3

6

5

Okt

19

0

16

11

13

8

0

7

0

11

9

Nov Des

15 14

4 11

13 10

16 15

11 8

16 19

12 17

16 17

9 13

16 27

13 15

Rata-rata

16

11

16

13

13

15

12

15

11

17

Sumber : Stasiun Meteorologi Wolter Monginsidi, 2006

Lampiran 7. Komposisi jenis komoditi penyusun sistem agroforestry dan hutan di DAS Konaweha, Tahun 2005

Sistem agroforestry

Jenis tanaman Kakao (Theobroma cacao )

Sylvopastoral-p

Agrosylvicultural-p

Agrosylvicultural-m

Lada (Piper ningrum ) Cengkeh (Syzygium aromaticum ) Kelapa (Cocos nucifera ) Jambu mete (Anacardium occidentale ) Rambutan (Nephelium lappaceum ) Durian (Durio zibethinus ) Mangga (Mangifera indica ) Nangka (Arthocarpus integra ) Pisang kepok (Musa paradisiaca )* Gamal rerumputan Sapi (ternak peliharaan) Rambutan (Nephelium lappaceum ) Jeruk manis (Citrus sinensis)

60 50 15 100 20 20

Jati (Tectona grandis ) rerumputan Kakao (Theobroma cacao ) Kopi (C0ffea robusta ) Cengkeh (Syzygium aromaticum )

15 20%

sirsak Kedondong (Spondias pinnata ) Sukun (Arthocarpus sp ) Kemiri (Aleurites moluccana ) Jati (Tectona grandis ) Kayu bitti (Vitex sp ) Sagu* semak rerumputan Kakao (Theobroma cacao ) Kopi (C0ffea robusta ) Cengkeh (Syzygium aromaticum ) Kelapa (Cocos nucifera ) Jambu mete (Anacardium occidentale ) Durian (Durio zibethinus ) Langsat (Lansium domesticum) Mangga (Mangifera indica ) Rambutan (Nephelium lappaceum ) Kemiri (Aleurites moluccana ) Jati (Tectona grandis ) Pinang (Pinanga kuhlii ) semak rerumputan Sapi (ternak peliharaan)

Keterangan : * rumpun

Lampiran 7.

640 800 70 30 61 30 50 30 30 40 1200 40% 3 ekor 75 100

Mangga (Mangifera indica ) Durian (Durio zibethinus ) Nangka (Arthocarpus integra ) Pisang kepok (Musa paradisiaca )* Kedondong (Spondias pinnata ) Sengon (Paraserienthes falcata )

Kelapa (Cocos nucifera ) Jambu mete (Anacardium occidentale ) Rambutan (Nephelium lappaceum ) Durian (Durio zibethinus ) Langsat (Lansium domesticum) Mangga (Mangifera indica )

Sylvopastoral-m

Populasi (phn/ha)

Lanjutan

jarak tanam (m) 3x3 2 x 1,5 5x5 5 x 10 10 x 10 5x7 10 8x8 10 x 10 10 1 cover crop di kandang 10 x 10 5x5 7x7 10 x 10 5x5 10 10 x 20

60

20 20 cover crop 3 x 2,5 3 x3

100 120 30 35 45 80

5x5 tidak teratur 7 10 x 10 10 x 20 tidak teratur

20 25 20 20 10 30 20 30 10% 25% 500 240 110 80 100 160 450 30 30 80 160 75 10% 25%

10 x 10 tidak teratur 8x8 sda sda sda tidak teratur 20 m cover crop cover crop 3x3 2x3 5x5 tidak teratur tidak teratur 7x7 tidak teratur 10 4,5 x 5 tidak teratur sda 5 cover crop cover crop

540

2 ekor

di lepas

Hutan T5

Lampiran 8

Jenis Tanaman Damar (Agathis spp .) Jati hutan (Nauclea spp ) Kayu besi (Chaetocarpus sp. ) Kalapi Kayu Lawang Damar mata kucing (Shorea lamelllata ) Cempaka (Elmerrillia sp ) Kayu bitti (Vitex sp .) Kayu angin Dao (Dracontomelon dao ) Pulai (Alstonia spp ) Gaharu (Aquillaria malaccensis ) Jati (Tectona grandis ) Anakan (Ə < 10 cm) semak rerumputan

Populasi (phn/ha) 317

250 118 230 83 15 50 122 65 82 53 15 57 900 3% 7%

Jarak Tanam (m) semua jenis tidak teratur

Struktur vegetasi sistem agroforestry dan hutan di DAS Konaweha, Tahun 2005

Sistem agroforestry Sylvopastoral-p

Strata tajuk B

C

Agrosylvicultural-p

A

B

Agrosylvicultural-m

A

B

C

Sylvopastoral-m

A

B

C

Hutan

A

B

C

Lampiran 9.

Kerapatan (ph/ha) kelapa 30 durian 50 j. mete 61 nangka 30 cengkeh 70 mangga 30 rambutan 30 kakao 640 gamal/lada 800 pisang 40 Total 1 781 durian 50 kedondong 20 jati 15 sengon 20 rambutan 75 mangga 60 nangka 15 jeruk 100 pisang 100 Total 455 kelapa 120 durian 45 langsat 80 kedondong 20 sukun 20 kemiri 10 jati 30 j. mete 30 cengkeh 100 mangga 20 rambutan 35 kakao 540 kopi 60 sirsak 25 sagu 30 Total 1165 kelapa 80 durian 160 langsat 450 kemiri 80 jati 160 mete 100 cengkeh 110 mangga 30 rambutan 30 pinang 75 kakao 500 kopi 200 Total 1975 damar 317 jati hutan 250 Jati 57 Gaharu 15 kayu angin 65 d. mata kucing 50 cempaka 50 kayu bitti 122 dao 82 pulai 53 kalapi 230 kayu lawanng 83 kayu besi 118 anakan ( btg) 900 < 10 cm) 2 125 Jenis tanaman

Intensitas perakaran dangkal dalam

Tanaman penutup tanah semak rumput

Serasah

__

40%

agak tebal

__

20%

sedang

10%

25%

agak tebal

10%

25%

tebal

3%

7%

sangat tebal

dangkal

sangat dalam

dalam

dangkal dangkal sangat dalam

dalam

dangkal

dangkal sangat dalam

dalam

dangkal dangkal

sangat dalam

dalam

dangkal

Kriteria strata tajuk, kedalaman perakaran dan ketebalan serasah pada sistem agroforestry dan hutan di DAS Konaweha, Tahun 2005

Lapisan tajuk

Perakaran

Serasah

Strata

Tinggi pohon

kriteria

Kedalaman akar

Kriteria

Ketebalan

A

> 15 m

Dangkal

<1m

Tipis

< 2 cm

B

10 – 15 m

Dalam

1 – 1.5 m

Sedang

2 –3.5 cm

C

< 10 m

Sangat dalam

> 1.5 m

Agak tebal

3.5 – 5 cm

tebal

> 5 cm

Lampiran 10. Data berat isi tanah kedalaman 0 -30 cm pada sistem agroforestry di DAS Konaweha, Tahun 2005

T1

Berat Isi (gr/cm3) Kelompok K1 K2 K3 0.9 0.9 1.1

T2

1.1

1.1

1.1

1.1

T3

1.1

1.1

0.9

1.03

T4

0.9

0.9

0.9

0.9

T5 Rataan

0.9 0.98

0.9 0.98

0.9 0.98

0.9

Perlakuan

Rataan 0.97

Lampiran 11. Data berat isi tanah kedalaman > 30 cm pada Sistem agroforestry di DAS Konaweha, Tahun 2005 Berat Isi (gr/cm3) Perlakuan T1 T2 T3 T4 T5 Rataan

Lampiran 12. Perlakuan

K1 1.1 1.2 1.3 1.2 1.2 1.20

Kelompok K2 1.2 1.2 1.2 1.2 1.1 1.18

Rataan K3 1.2 1.2 1.1 1.1 1.1 1.14

1.17 1.20 1.20 1.17 1.13

Data indeks stabilitas agregat tanah pada sistem agroforestry dan hutan di DAS Konaweha, Tahun 2005 Indeks Stabilitas Agregat

Rataan

Kelompok T1 T2 T3 T4 T5 Rataan

K1 42 40 43 48 55 45.6

K2 46 42 46 44 52 46.0

K3 40 41 54 45 53 46.6

BNT

42.67 bc 41.00 c 47.67 ab 45.67 bc 53.33 a 6.53

Ket: Angka-angka dalam kolom yang sama dan diikuti huruf yang sama tidak berbeda nyata pada taraf uji BNT 0.05

Lampiran 13.

Perlakuan T1 T2 T3 T4 T5 Rataan Lampiran 14.

Perlakuan T1 T2 T3 T4 T5 Rataan BNT .05

Data porositas tanah kedalaman 0-30 cm pada sistem agroforestry dan hutan di DAS Konaweha, Tahun 2005 Porositas tanah ( % ) Kelompok K1 K2 K3 45.02 46.87 45.74 45.42 51.77 52.38 42.42 47.62 56.11 48.32 55.21 50.34 54.51 55.62 55.65 42.14

51.42

Rataan 45.88 49.86 48.72 51.29 55.26

52.04

Data porositas tanah kedalaman > 30 cm pada sistem agroforestry dan hutan di DAS Konaweha, Tahun 2005 Porositas Tanah ( % ) Kelompok K1 K2 K3 41.70 36.68 41.25 42.42 42.04 47.02 34.64 40.19 41.66 42.57 42.94 44.98 43.74 44.67 45.68 41.01 41.30 44.12

Rataan 39.88 bc 43.83 a 38.83 c 43.50 ab 44.70 a 3.82


Lampiran 15.

Data bahan organik tanah pada sistem agroforestry dan hutan di DAS Konaweha, Tahun 2005 Bahan Organik ( % )

Kelompok

Perlakuan

Rataan

T1

K1 2.31

K2 2.58

K3 1.28

2.06 bc

T2 T3 T4 T5

1.70 2.67 2.37 4.13

2.26 2.53 2.61 3.95

1.74 2.56 3.34 3.94

1.90 c 2.59 bc 2.77 b 4.01 a

2.64

2.79

2.59

Rataan BNT .01

0.53


Lampiran 16.

Perlakuan T1 T2 T3 T4 T5

Rataan BNT.01

Data C-organik tanah pada sistem agroforestry dan hutan di DAS Konaweha, Tahun 2005 C-organik tanah ( % ) Kelompok K1 K2 K3 1.341 1.449 1.149 0.989 1.313 1.010 1.550 1.468 1.486 1.373 1.515 1.938 1.957 1.876 1.892 1.442

1.524

Rataan 1.31 bc 1.10 c 1.50 b 1.61 ab 1.91 a

1.475 0.35


Lampiran 17.

Perlakuan T1 T2 T3 T4 T5 Rataan Lampiran 18. Perlakuan

Data pH tanah pada sistem agroforestry dan hutan di DAS Konaweha, Tahun 2005 pH Tanah Kelompok Rataan K1 K2 K3 4.65 4.42 4.30 4.46 4.68 4.35 4.52 4.52 4.51 4.48 4.54 4.51 4.49 4.64 4.32 4.48 4.28 4.42 4.65 4.45 4.52 4.46 4.47 Data total mikroorganisme tanah pada sistem agroforestry dan hutan di DAS Konaweha, Tahun 2005 Total Mikroorganisme Tanah

Rataan

Kelompok K1

K2

K3

. . . . . . . . . x 107 (spc/gr) . . . . . . . . . T1 T2 T3 T4 T5 Rataan BNT .01

0.02 0.02 6.90 52.00 160.00 72.67

4.90 1.00 6.70 65.00 170.00 82.20

5.60 1.70 6.50 82.00 190.00 95.27

1.9 c 0.9 c 6.7 c 66.3 b 173.3 a

19.6 Ket : spc : satuan pembentuk koloni Angka-angka dalam kolom yang sama, diikuti huruf yang sama tidak berbeda nyata pada taraf uji BNT 0.01

Lampiran 19.

Data tinggi limpasan permukaan pada sistem agroforestry dan hutan di DAS Konaweha, periode 2005 – 2006 Tinggi limpasan permukaan (mm)

Perlakuan T1 T2 T3 T4 T5 Rataan BNT .01

K1 361.1 370.3 343.8 284.7 232.6 318.5 b

Kelompok K2 403.8 388.4 388.4 314.7 255.2 350.1 ab

K3 446.5 496.0 427.3 455.0 282.3 421.4 a

Rataan

BNT.01

403.8 a 426.3 a 386.5 a 318.1 b 256.7 b

66.8

94.5

Ket: Angka-angka dalam kolom yang sama, demikian juga dalam baris yang sama, diikuti huruf yang sama tidak berbeda nyata pada taraf uji BNT 0.01

Lampiran 20.

Perlakuan

Data kapasitas infiltrasi pada sistem agroforestry dan hutan di DAS Konaweha, Tahun 2005 Kapasitas infiltrasi cm/jam) Kelompok

Rataan

T1 T2 T3 T4 T5 Rataan BNT.05

K1 8.6 9.1 8.2 9.5 10.9 9.3a

K2 5.5 6.0 7.5 8.5 10.1 7.5a

K3 2.5 4.1 7.3 7.5 9.3 6.1a

5.5 b 6.4 b 7.7 ab 8.5 ab 10.1 a 2.93

Ket: Angka-angka dalam kolom & baris yang sama dan diikuti huruf yang sama tidak berbeda nyata pada taraf uji BNT 0.05

Lampiran 21. Data permeabilitas profil tanah pada sistem agroforestry dan hutan di DAS Konaweha, Tahun 2005 Perlakuan T1 T2 T3 T4 T5 Rataan

Permeabilitas Profil (cm/jam) Kelompok K1 K2 K3 0.9 2.5 6.5 5.6 4.6 1.9 5.8 5.5 4.5 4.6 5.4 6.0 6.5 6.8 6.8 4.64a 4.96a 5.14a

Rataan 3.30a 4.03a 5.27a 5.33a 6.70a

Ket: Angka-angka dalam kolom & baris yang sama dan diikuti huruf yang sama tidak berbeda nyata pada taraf uji BNT 0.05

Lampiran 22. Data total erosi pada sistem agroforestry periode 2005 – 2006 di DAS Konaweha, Tahun 2005 Perlakuan T1 T2 T3 T4 T5 Rataan BNT.05

Total Erosi (ton/ha/th) Kelompok K1 K2 K3 21.1 25.0 38.9 21.3 26.4 43.3 16.1 26.5 35.3 16.4 17.4 18.7 5.7 7.7 8.4 16.1 b 20.6 ab 28.9 a 9.6

Rataan

BNT.01

28.3 a 30.3 a 26.0 a 17.2 ab 7.3 b

14.0

Ket: Angka-angka dalam baris atau kolom yang sama dan diikuti huruf yang sama tidak berbeda nyata pada taraf uji BNT .05 untuk baris dan .01 untuk kolom

Lampiran 23. Struktur dan tekstur tanah (klasifikasi USDA) pada sistem agroforestry di DAS Konaweha, Tahun 2005 Kode Plot

Klasifikasi Tanah (USDA)

Struktur

Tekstur

K1T1 K2T1 K3T1 K1T2 K2T2 K3T2 K1T3 K2T3 K3T3 K1T4 K2T4 K3T4 K1T5 K2T5 K3T5

Typic Dystropept Typic Dystropept Typic Dystropept Typic Hapludult Oxic Dystropept Oxic Dystropept Typic Dystropept Typic Eutropept Oxic Dystropept Oxic Dystropept Oxic Dystropept Oxic Dystropept Oxic Dystropept Oxic Dystropept Oxic Dystropept

Lampiran 24. Kode Plot K1T1 K2T1 K3T1 K1T2 K2T2 K3T2 K1T3 K2T3 K3T3 K1T4 K2T4 K3T4 K1T5 K2T5 K3T5

Struktureless massive Sda Weak fine subangular blocky Sda Struktureless massive Struktureless massive Sda Struktureless massive Sda Weak fine subangular blocky Weak fine subangular blocky Weak fine subangular blocky Weak fine subangular blocky Weak fine subangular blocky Weak fine subangular blocky

Nilai erosi yang dapat ditoleransikan (ETol) agroforestry di DAS Konaweha, Tahun 2005

D (mm) 1650 1600 1650 1500 1500 1500 1500 1600 1450 1700 1700 1650 1700 1700 1600

NFK 1 1 1 0,8 1 1 1 1 1 1 1 1 1 1 1

DE (mm) 1650 1600 1650 1200 1500 1500 1200 1600 1450 1700 1700 1650 1700 1700 1600

Dmin (mm) 990 990 990 990 990 990 990 990 990 990 990 990 990 990 990

LPT (mm/th) 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2

BV (g/cm3) 0,9 1,1 1,1 1,1 1,1 1,1 1,1 1,1 0,9 0,9 0,9 0,9 0.9 0.9 0.9

Sandy Clay Loam Sandy Clay Loam Loam Clay Loam Clay Loam Clay Loam Clay Loam Silty Loam Clay Loam Sandy Clay Loam Sandy Clay Loam Sandy Clay Loam Sandy Clay Loam Sandy Clay Loam Sandy Clay Loam

pada sistem ETol (ton/ha/th) 34,6 40.0 42,2 22,4 35,6 35,6 35,6 40.0 27,4 36,4 36,4 34,6 36,4 36,4 32,8

Keterangan : D : Kedalaman efektif tanah, NFK : Nilai Faktor Kedalaman, DE : Kedalaman Ekivalen, Dmin : Kedalaman minimum Tanah, LPT : Laju pembentukan tanah rata-rata di Indonesia (Hardjowigeno, 1983),

Lampiran 25. Sidik ragam berat isi tanah kedalaman 0 -30 dan > 30 cm Sumber Keragaman Model

Db 6

Berat isi tanah kedalaman 0 -30 cm kedalaman > 30 cm KT Pr > F KT Pr > F 0.015 0.003

Kelompok Perlakuan Galat Total

2 4 8 14

0.000 0.023 0.007

1.000 ns 0.066 ns

0.001 0.004 0.002

0.687 ns 0.192 ns

Ket : ns : tidak berbeda pada taraf nyata 0.05

Lampiran 26. Sidik ragam indeks stabilitas agregat tanah Sumber Keragaman Model Kelompok Perlakuan Galat Total

Indeks Stabilitas Agregat KT Pr > F 46.800 1.267 0.901 ns 69.567 0.017* 12.017

Db 6 2 4 8 14

Ket : * : Berbeda pada taraf nyata 0.05, ns : tidak berbeda pada taraf nyata 0.05

Lampiran 27. Sidik ragam porositas tanah kedalaman 0 -30 dan > 30 cm Sumber Keragaman

Db

Model Kelompok Perlakuan Galat Total

6 2 4 8 14

Porositas Tanah kedalaman 0 -30 cm kedalaman > 30 cm KT Pr > F KT Pr > F 40.737 19.367 52.626 0.050 ns 17.150 0.058 ns 34.792 0.090 ns 20.475 0.026* 11.752 4.116

Ket : * : Berbeda pada taraf nyata 0.05, ns : tidak berbeda pada taraf nyata 0.05

Lampiran 28. Sidik ragam bahan organik dan kadar karbon tanah Bahan organik tanah Sumber Db Keragaman KT Pr > F Model 6 1.408 Kelompok 2 0.061 0.7412 ns Perlakuan 4 2.081 0.0027** Galat 8 0.195 Total 14 Ket : ns : tidak berbeda pada taraf nyata 0.05

C-organik tanah KT Pr > F 0.188 0.009 0.783 ns 0.277 0.007** 0.034

** : Berbeda pada taraf nyata 0.01

Lampiran 29. Sidik ragam pH dan total mikroorganisme tanah Sumber Keragaman Model

Db 6

pH Tanah KT 0.004

Pr > F

Total Mikroorganisme Tanah (spc)

KT 103740.862

Pr > F


2 4 8 14

0.006 0.003 0.029

0.826 ns 0.981 ns

392.313 67873.075 544.24

0.1502 ns 0.0003**

Ket : ns : tidak berbeda pada taraf nyata 0.05

Lampiran 30. Sidik ragam tinggi limpasan permukaan Sumber Keragaman

Tinggi limpasan permukaan

Db

Model

6


2 4 8 14

KT

Pr > F

343 022.4 13 898.0 12 524.8 793.1

0.0049** 0.0044**

Ket : ** : berbeda pada taraf nyata 0.05

Lampiran 31. Sidik ragam kapasitas infiltrasi dan permeabilitas profil Sumber Keragaman

Db

Model Kelompok Perlakuan Galat Total

6 2 4 8 14

Kapasitas infiltrasi (cm/jam) KT Pr > F 17.610 6.414 0.277 ns 23.208 0.020* 4.241

Permeabilitas Profil (cm/jam) KT Pr > F 6.631 6.589 0.054 ns 5.152 0.059 ns 1.595

Ket : * : Berbeda pada taraf nyata 0.05 ns : tidak berbeda pada taraf nyata 0.05

Lampiran 32. Sidik ragam total erosi periode 2005 – 2006 Sumber Keragaman Model Kelompok Perlakuan Galat Total Ket :

Db 6 2 4 8 14

* : Berbeda pada taraf nyata 0.05 ns : tidak berbeda pada taraf nyata 0.05

Total erosi KT 286.54 210.944 271.9043 26.2173

Pr > F 0.0055* 0.0068**

Lampiran 33. Koefisien limpasan permukaan pada system agroforestry dan hutan di DAS Konaweha, periode 2005 – 2006

HH (hr) CH (mm)

Juli 10 79

Agst 10 78

Sept 6 56

CH*

178.1

203.4

333.7

136

154.5

280.4

109.5

Mei 22 215

Juni 17 180

Total 2443.2

87.5

51.2

1534.3

Koefisien limpasan permukaan

Tinggi limpasan permukaan

Kode Plot K1T1 K2T1 K3T1

Jumlah curah hujan bulanan (mm) periode 2005-2006 Okt Nov Des Jan Feb Mar Apr 11 16 27 12 18 13 15 280 355.4 450.8 206 235 318 205

0 0 0

0 0 0

0 0 0

40.2 43.3 77.0 32.4 46.0 50.3 86.9 35.3 50.9 56.3 97.6 38.7 Rataan 45.7 49.9 87.2 35.5 K1T2 0 0 0 40.7 44.3 77.5 33.8 K2T2 0 0 0 46.3 49.3 85.7 36.4 K3T2 0 0 0 57.7 65.2 107.6 44.5 Rataan 48.2 52.9 90.3 38.2 K1T3 0 0 0 38.6 41.3 72.4 31.1 K2T3 0 0 0 45.2 49.1 81.9 34.0 K3T3 0 0 0 50.6 52.9 93.2 36.7 Rataan 44.8 47.8 82.5 34.0 K1T4 0 0 0 35.3 34.9 55.0 26.6 K2T4 0 0 0 38.1 38.5 61.7 29.7 K3T4 0 0 0 43.2 44.8 70.2 32.7 Rataan 38.9 39.4 62.3 29.7 K1T5 0 0 0 28.5 31.5 50.1 19.9 K2T5 0 0 0 30.3 33.6 56.0 22.6 K3T5 0 0 0 34.6 36.8 62.3 24.7 Rataan 31.1 34.0 56.1 22.4 Keterangan: CH* : Jumlah Curah hujan yang mengakibatkan limpasan permukaan

38.8 42.1 46.3 42.4 39.0 43.7 49.0 43.9 37.1 41.1 46.2 41.5 32.9 37.2 42.6 37.6 23.3 26.2 29.0 26.2

70.6 78.3 86.2 78.4 73.3 84.6 92.3 83.4 67.2 74.0 80.2 73.8 52.8 57.5 64.7 58.3 42.1 45.7 50.0 45.9

26.5 28.6 31.7 28.9 27.8 29.8 34.0 30.5 25.3 28.4 29.9 27.9 20.8 23.0 25.2 23.0 16.4 18.1 19.7 18.1

19.9 23.0 23.7 22.2 21.1 22.8 26.8 23.6 18.9 21.3 23.2 21.1 16.6 18.2 19.7 18.2 13.1 14.6 16.0 14.6

12.3 13.4 15.1 13.6 12.8 14.1 18.9 15.3 12.0 13.4 14.3 13.2 9.7 10.8 11.8 10.8 7.7 8.2 9.2 8.4

361.1 403.8 446.5 403.8 370.3 412.7 496.0 426.3 343.8 388.4 427.3 386.5 284.7 314.7 355.0 318.1 232.6 255.2 282.3 256.7

0.26

0.28

0.25

0.21

0.17

Lampiran 34. Sistem agroforestry Sylvopastoral-p

Agrosylvicultural-p

Agrosylvicultural-m

Sylvopastoral-m

Hutan

Nilai penting jenis (NPJ) pohon pada sistem agroforestry di DAS Konaweha, Tahun 2005 populasi Kerapatan Frekuensi Dominansi (phn) relatif (%) relatif (%) relatif (%) Kakao 640 30.0 14.0 29.0 Lada/Gamal 800 38.2 5.9 18.8 Gamal 400 15.0 19.4 7.4 Mangga 30 2.3 12.1 9.1 Rambutan 30 3.8 5.0 12.8 Durian 50 1.7 17.5 1.9 Jambu Mete 61 1.9 9.7 8.3 Nangka 30 1.9 9.7 5.3 Cengkeh 70 3.8 4.9 4.7 Kelapa 30 1.4 1.8 2.8 Durian 50 19.6 16.9 38.0 Rambutan 75 19.6 16.9 23.1 Jeruk manis 100 19.6 16.9 9.0 Mangga 60 9.8 16.9 13.8 Pisang 100 19.6 13.6 2.3 Sengon 20 3.9 6.8 6.5 Jati 15 3.9 6.8 3.8 Nangka 15 2.0 3.4 1.1 Kedondong 20 2.0 1.7 2.3 Kakao 540 41.1 8.1 10.2 Cengkeh 100 12.2 10.9 12.0 Kelapa 120 9.1 8.1 14.1 Kemiri 10 4.6 8.1 12.5 Langsat 80 6.1 10.9 7.6 Jambu mete 30 3.8 6.8 7.5 Sagu 30 2.3 2.7 11.4 Durian 45 3.4 8.1 4.3 Mangga 20 3.0 5.4 6.8 Jati 50 3.8 5.4 4.1 Kopi 60 3.4 8.1 1.0 Sukun 20 2.3 5.4 3.8 kedondong 20 1.5 5.4 2.3 Rambutan 35 1.5 3.6 1.9 sirsak 25 1.9 2.7 0.5 Langsat 450 20.1 8.7 21.6 Kakao 500 29.7 7.7 9.3 Durian 160 6.7 8.7 17.1 Jati 160 7.6 7.9 10.3 Kemiri 80 4.5 8.7 11.4 Pinang 75 5.6 8.7 4.3 Rambutan 60 4.5 8.7 5.2 Jambu mete 100 4.5 8.7 2.8 Kopi 240 4.5 8.7 1.0 Cengkeh 110 5.9 5.8 2.1 Sagu 50 3.7 2.9 6.9 Kelapa 80 1.5 5.8 1.5 Mangga 30 1.5 5.8 1.5 Damar 300 19.0 12.5 21.5 Kalapi 240 15.2 10.0 20.1 Jati hutan 250 15.9 12.5 16.1 Kayu bitti 165 12.5 13.4 13.2 Kayu besi 105 6.7 7.5 7.5 Kayu angin 100 6.3 10.0 5.4 Kayu Lawang 100 6.3 10.0 3.0 Dao 105 6.7 7.5 3.7 Cempaka 50 3.2 5.0 4.8 Damar mata kucing 50 3.2 5.0 4.6 Pulai 50 3.2 5.0 2.5 Jati 50 3.2 5.0 1.8 Gaharu 10 0.6 2.5 0.5 Jenis tanaman

NPJ 73.0 62.9 41.8 23.5 21.6 21.0 19.9 16.9 13.3 6.0 74.5 59.7 45.6 40.6 35.4 17.2 14.5 6.4 6.0 59.4 35.1 31.4 25.2 24.6 18.1 16.4 15.8 15.2 13.3 12.6 11.5 9.3 7.0 5.1 50.3 46.7 32.5 25.8 24.6 18.6 18.4 16.0 14.2 13.8 13.5 8.8 8.8 53.0 45.3 44.5 39.1 21.7 21.7 19.3 17.9 13.0 12.8 10.7 10.0 3.6

Lampiran 35.

Biomassa total dan kadar karbon vegetasi pada agroforestry di DAS Konaweha, Tahun 2005

Populasi Biomassa (phn/ha) (ton/ha) Sylvopastoral-p Kakao 640 47.60 800 1.02 Lada 70 3.41 Cengkeh 30 17.76 Kelapa 61 6.99 Jambu mete* 30 10.33 Rambutan 50 3.08 Durian 30 7.22 Mangga 30 4.03 Nangka Pisang kepok 40 0.87 1200 13.87 Gamal penutupan rumput 40% lahan 2.76 penutupan serasah 60% lahan 2.00 120.95 Total Agrosylvicultural-p Rambutan 14.49 75 6.78 Jeruk manis 100 12.56 Mangga 60 15.88 Durian 50 0.85 Nangka 15 0.89 Pisang * 100 2.96 Kedondong 20 6.21 Sengon 20 13.54 Jati 15 penutupan semak/rumput 20% lahan 1.57 penutupan serasah 60% lahan 1.28 77.01 Total Agrosylvicultural-m Kakao 540 25.36 60 2.49 Kopi 100 12.55 Cengkeh 120 70.58 Kelapa 30 7.22 Jambu mete 35 0.75 Rambutan 45 4.53 Durian 80 8.06 Langsat 20 7.42 Mangga 25 0.45 sirsak 20 2.52 kedondong 20 4.05 Sukun 10 13.92 Kemiri 50 19.15 Jati Sagu* 30 2.95 1.90 penutupan semak/rumput 35% lahan 65% lahan 1.90 penutupan serasah 185.82 Total Sistem agroforestry

Jenis Tanaman

sistem

Kadar karbon (%)

45 25 50 45 50 50 50 50 50 25 45 15 45 50 50 50 50 50 50 50 50 50 15 50 45 45 50 45 50 50 50 50 50 50 50 50 50 50 45 15 50

(ton/ha)

21.42 0.25 1.70 7.99 3.50 5.17 1.54 3.61 2.01 0.43 6.94 0.41 0.90 55.88 6.42 3.39 6.28 7.94 0.43 0.44 0.98 3.11 7.34 0.35 0.72 37.39 11.41 1.12 6.28 31.76 3.61 0.38 2.27 4.03 3.71 0.23 1.26 2.03 6.96 9.57 1.33 0.29 0.95 87.18

Lampiran 35. Lanjutan Sistem agroforestry & Hutan Sylvopastoral-m

Hutan

Jenis tanaman Kakao Kopi Cengkeh Kelapa Jambu mete* Durian Langsat Mangga Rambutan Kemiri Jati Rumput pakan Serasah Total Damar Jati hutan Kayu besi Kalapi Kayu Lawang Damar mata kucing Cempaka Kayu bitti Kayu angin Dao Pulai Gaharu Jati Anakan (Ə < 10 cm) Semak dan rumput Serasah Total

Populasi Biomassa (ton/ha) (phn/ha) 500 32.26 240 11.27 110 3.18 80 47.05 100 4.78 160 21.61 450 41.84 30 3.02 30 6.45 80 15.73 160 38.93 35% lahan 1.2 65% lahan 2.1 229.44 317 64.75 250 45.51 118 14.36 230 59.14 83 8.80 50 13.12 50 12.25 122 16.43 65 39.33 82 3.25 53 7.20 15 2.17 57 28.13 900 5.16 10% lahan 1.23 90% lahan 0.57 321.42

Kadar karbon (%)

45 45 50 45 50 50 50 50 50 50 50 15 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 25 50

(ton/ha)

14.52 5.07 1.59 21.17 2.39 10.81 20.92 1.51 3.23 7.87 19.47 0.03 1.05 109.62 32.37 22.76 7.18 29.57 4.40 6.56 6.12 8.22 19.67 3.80 3.60 1.08 14.07 2.58 0.28 0.28 162.54

Lampiran 36. Persamaan allometrik dalam perhitungan biomassa dan kadar karbon vegetasi pada sistem agroforestry di DAS Konaweha, Tahun 2005 Kadar karbon (%) BK biomassa Pengukuran langsung 15-25 Lada, nanas, semak, rumput, anakan, 50 serasah Y : 0,281D^2,06 Arifin (2001); Van Noordwijk (2002) Kopi* : kakao, jeruk manis, sirsak, 45 gamal Y : BA*H*ρ Hairiah (2000) Palm* : kelapa, pinang, sagu 45 Y : 0,030D^2,13 Arifin (2001); Van Noordwijk (2002) Pisang* : pepaya 45 Shorea*: cengkeh, mete, durian Y: 0,092255X^2,1226 Heriyanto, et al . (2005) rambutan, mangga, nangka, langsat, kedondong, kemiri, damar, jati 50 hutan,, kayu besi, kalapi, kayu lawang, cempaka, kayu bitti, pulai, gaharu Rumus allometrik

Sumber

Jenis Tanaman

Y : 0,05628X^2,54548 Heriyanto, et al . (2005) Pinus*: kayu angin Y : 0,08842*X^2,6014 Purwanto, et al. (2003) Jati Keterangan : * persamaan allometrik tanaman yang digunakan

50 50

Lampiran 37.

Hasil analisis biaya usahatani pada sistem agroforestry di DAS Konaweha, Tahun 2005

Sistem agroforestry

Kode plot

T1

K1T1 K2T1 K3T1 Rataan K1T2 K2T2 K3T2 Rataan

T2

T3

T4

Jumlah petani Tenaga kerja sampel (KK) (HOK/ha/th) 12 308.6 12 289.8 10 328.6 309 1 116.9 1 118 1 139.1 124.7

K1T3 K2T3 K3T3 Rataan K1T4 K2T4 K3T4 Rataan

205,1 211,7 216,2 211.0 214 225 235.8 224.9

6 6 6 8 8 8

Total biaya Tenaga Sarana kerja produksi tanpa diskont terdiskont . . . . . . . . . . . . . . . . . .Rp/ha/th . . . . . . . . . . . . . . . . . . 6.943.500 4.850.845 11.794.345 6.888.114 6.520.500 5.210.170 11.730.670 6.840.324 7.393.500 4.866.800 12.260.300 7.778.534 6.952.500 4.975.938 11.928.438 7.168.991 2.630.250 3.231.315 5.861.565 3.242.762 2.655.000 3.274.500 5.929.500 3.264.556 3.129.750 1.809.050 4.938.800 3.362.274 2.805.000 1.798.897 5.576 622 3.290.197 4.614.750 4.762.800 4.863.600 4.747.050 4.815.000 5.062.500 5.305.500 5.061.000

2.733.413 1.603.588 2.223.575 2.186.859 3.205.765 2.956.865 2.880.115 3.014.248

7.348.163 6.366.388 7.087.175 6.933.908 8.020.765 8.019.365 8.185.615 8.075.248

4.000.003 3.350.422 3.738.621 3.696.349 4.610.271 4.615.342 4.792.429 4.672.681

Keterangan : discount factor : 12%

Lampiran 38.

Hasil analisis pendapatan usahatani pada sistem agroforestry di DAS Konaweha, Tahun 2005

Sistem agroforestry

Kode plot

T1

K1T1 K2T1

T2

Pendapatan Penerimaan Jumlah petani tanpa diskont terdiskont tanpa diskont terdiskont sampel . . . . . . . . . . . . . . . Rp/ha/th . . . . . . . . . . . . . . (KK) 12 35.580.960 14.966.927 23.786.615 8.023.707 12 32.849.000 13.716.620 21.118.330 6.876.296

K3T1 Rataan

10

34.126.380 34.185.447

14.404.050 21.866.080 14.362.532 22.257.008

6.625.516 7.175.173

K1T2 K2T2 K3T2

1 1 1

24.324.000 22.410.000 22.285.400

9.515.912 8.776.523 8.646.255

18.462.435 16.480.500 16.136.100

6.247.687 5.486.504 5.257.162

23.006.467

8.979.563

17.026.345

5.663.784

23.822.650 21.291.675 24.116.550

9.312.241 8.357.979 9.334.656

16.474.488 14.925.288 17.029.375

5.312.237 5.007.557 5.596.035

23.076.958 26.746.700 29.218.500 30.148.700

9.001.625 10.611.645 11.638.068 12.316.406

16.143.050 18.725.935 21.199.135 21.963.085

5.305.276 5.975.553 7.022.726 7.523.977

28.704.633

11.522.040 20.629.385

6.840.752

Rataan T3

T4

K1T3 K2T3 K3T3 Rataan K1T4 K2T4 K3T4

6 6 6 8 8

8

Rataan Keterangan : discount factor : 12%

Lampiran 39. Analisis BCR, NPV, IRR dan PBP kondisi existing pada sistem agroforestry di DAS Konaweha, Tahun 2005 Tipe T1 TAHUN

` COST

BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

27,834,933 160,000 (27,674,933) 24,852,619 142,857 2 5,725,400 800,000 (4,925,400) 4,564,254 637,755 3 14,486,400 8,152,533 (6,333,867) 10,311,133 5,802,812 4 6,742,733 13,639,333 6,896,600 4,285,129 8,668,043 5 8,935,400 24,185,800 15,250,400 5,070,186 13,723,672 6 10,263,400 30,644,800 20,381,400 5,199,758 15,525,609 7 12,006,583 47,700,400 35,693,817 5,431,169 21,577,239 8 9,715,400 59,911,400 50,196,000 3,923,887 24,197,210 9 11,945,400 75,309,933 63,364,533 4,307,631 27,157,517 10 11,628,733 81,350,267 69,721,533 3,744,141 26,192,609 Total 119,284,383 341,854,467 222,570,083 71,689,907 143,625,323 NPV : 71 935 416 BCR : 2,0 IRR : 35,8% PBP : 4.9 th ` Tipe T2 1

TAHUN

1 2 3 4 5 6 7 8 9 10

Total

COST

BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

10,160,583 116,000 (10,044,583) 9,071,949 103,571 2,709,000 348,000 (2,361,000) 2,159,598 277,423 3,286,000 348,000 (2,938,000) 2,338,910 247,700 3,849,633 2,681,333 (1,168,300) 2,446,512 1,704,036 5,316,000 8,348,000 3,032,000 3,016,441 4,736,879 5,382,000 15,948,000 10,566,000 2,726,689 8,079,753 7,171,000 28,773,000 21,602,000 3,243,796 13,015,444 6,552,000 40,581,333 34,029,333 2,646,243 16,390,120 7,717,000 63,248,000 55,531,000 2,782,828 22,807,863 7,658,000 69,673,000 62,015,000 2,465,671 22,432,841 59,801,217 230,064,667 170,263,450 32,898,637 89,795,631 BCR : 2.73 NPV : 56 419 320 IRR : 45.76% PBP : 5.4 th

DICOUNT FACTOR 12%

37%

0.89

0.73

0.80

0.53

0.71

0.39

0.64

0.28

0.57

0.21

0.51

0.15

0.45

0.11

0.40

0.08

0.36

0.06

0.32

0.04

DICOUNT FACTOR 12%

47%

0.89

0.68

0.80

0.46

0.71

0.31

0.64

0.21

0.57

0.15

0.51

0.10

0.45

0.07

0.40

0.05

0.36

0.03

0.32

0.02

NET PRESENT VALUE (DISCOUNTED) (Rp), 12%

(24,709,762) (3,926,499) (4,508,321) 4,382,914 8,653,487 10,325,852 16,146,070 20,273,323 22,849,886 22,448,468 71,935,416

(Rp), 37%

(20,200,681) (2,624,221) (2,463,243) 1,957,730 3,159,937 3,082,553 3,940,479 4,044,870 3,727,015 2,993,376 (2,382,185)


(8,968,378) (1,882,175) (2,091,210) (742,476) 1,720,438 5,353,064 9,771,648 13,743,877 20,025,035 19,967,170 56,896,994

(Rp), 47%

(6,833,050) (1,092,600) (924,911) (250,199) 441,715 1,047,144 1,456,373 1,560,683 1,732,525 1,316,205 (1,546,114)

Lampiran 39. Lanjutan TipeT3 TAHUN 1 2 3 4 5 6 7 8 9 10

Total

` DICOUNT FACTOR

COST

BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

12%

47%

267,857 451,743 862,974 2,652,864 4,867,860 7,472,387 11,136,838 15,452,034 21,650,906 25,200,792 90,016,255 PBP : 5.0 th

0.89

0.68

0.80

0.46

0.71

0.31

0.64

0.21

0.57

0.15

0.51

0.10

0.45

0.07

0.40

0.05

0.36

0.03

0.32

0.02

DICOUNT FACTOR

9,070,083 300,000 (8,770,083) 8,098,289 2,761,000 566,667 (2,194,333) 2,201,052 4,584,500 1,212,417 (3,372,083) 3,263,157 4,395,500 4,174,333 (221,167) 2,793,420 6,552,000 8,578,833 2,026,833 3,717,781 6,428,000 14,749,167 8,321,167 3,256,625 8,536,000 24,620,000 16,084,000 3,861,253 8,578,000 38,258,667 29,680,667 3,464,510 9,632,000 60,039,667 50,407,667 3,473,396 8,802,000 78,269,833 69,467,833 2,834,008 69,339,083 230,769,583 161,430,500 36,963,490 BCR : 2.44 NPV : 53 052 765 IRR : 45.73%


(7,830,432) (1,749,309) (2,400,182) (140,555) 1,150,080 4,215,762 7,275,585 11,987,523 18,177,510 22,366,783 53,052,765

(Rp), 62%

(5,966,043) (1,015,472) (1,061,564) (47,364) 295,278 824,670 1,084,358 1,361,241 1,572,681 1,474,383 (1,477,832)

Tipe T4 TAHUN

1 2 3 4 5 6 7 8 9 10 Total

COST

BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

12%

42%

59,524 53,146 2,623,147 4,542,683 7,283,775 14,010,884 14,300,568 19,654,170 25,073,636 27,618,864 115,220,397 PBP : 5.4 th

0.89 0.80 0.71 0.64 0.57 0.51 0.45 0.40 0.36 0.32

0.70 0.50 0.35 0.25 0.17 0.12 0.09 0.06 0.04 0.03

19,389,650 66,667 (19,322,983) 17,312,188 2,950,500 66,667 (2,883,833) 2,352,121 4,467,250 3,685,333 (781,917) 3,179,700 4,484,750 7,148,000 2,663,250 2,850,140 6,686,000 12,836,500 6,150,500 3,793,816 6,515,000 27,655,000 21,140,000 3,300,702 9,040,000 31,614,000 22,574,000 4,089,237 8,785,000 48,663,000 39,878,000 3,548,114 9,458,000 69,531,167 60,073,167 3,410,650 8,976,333 85,780,000 76,803,667 2,890,139 80,752,483 287,046,333 206,293,850 46,726,806 BCR : 2.47 NPV : 68 493 591 IRR : 39.77%


(17,252,664) (2,298,974) (556,553) 1,692,544 3,489,959 10,710,182 10,211,331 16,106,055 21,662,986 24,728,725 68,493,591

(Rp), 62%

(13,607,735) (1,430,189) (273,083) 655,026 1,065,292 2,578,546 1,939,055 2,412,274 2,559,089 2,304,085 (1,797,640)

Lampiran 40. Analisis sensitivitas sekenario I pada sistem agroforestry di DAS Konaweha, Tahun 2005 Tipe T1 TAHUN 1 2 3 4 5 6 7 8 9 10

Total

COST

BENEFIT

PROFIT

NET COST

(Rp)

(Rp)

(Rp)

(Rp)

27,834,933 136,000 (27,698,933) 24,852,619 5,725,400 680,000 (5,045,400) 4,564,254 14,486,400 7,897,653 (6,588,747) 10,311,133 6,742,733 12,901,433 6,158,700 4,285,129 8,935,400 21,406,817 12,471,417 5,070,186 10,263,400 29,719,080 19,455,680 5,199,758 12,006,583 43,077,340 31,070,757 5,431,169 9,715,400 53,449,890 43,734,490 3,923,887 11,945,400 67,228,503 55,283,103 4,307,631 11,628,733 73,182,470 61,553,737 3,744,141 119,284,383 309,679,187 190,394,803 71,689,907 BCR : 1.82 NPV : 58 877 099 IRR : 31,8%

NET BENEFIT

DICOUNT FACTOR

(Rp)

12%

32%

121,429 542,092 5,621,394 8,199,094 12,146,803 15,056,611 19,486,001 21,587,514 24,243,272 23,562,797 130,567,006 PBP : 5.1

0.89

0.76

0.80

0.57

0.71

0.43

0.64

0.33

0.57

0.25

0.51

0.19

0.45

0.14

0.40

0.11

0.36

0.08

0.32

0.06


(Rp), 32%

(24,731,190) (20,984,040) (4,022,162) (2,895,661) (4,689,740) (2,864,712) 3,913,965 2,028,586 7,076,617 3,112,047 9,856,853 3,677,925 14,054,832 4,449,737 17,663,627 4,744,961 19,935,641 4,543,882 19,818,656 3,832,791 58,877,099 (354,487)

Tipe T2 TAHUN

1 2 3 4 5 6 7 8 9 10

Total

COST

BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

10,160,583 98,600 (10,061,983) 9,071,949 2,709,000 295,800 (2,413,200) 2,159,598 3,286,000 295,800 (2,990,200) 2,338,910 3,849,633 2,675,800 (1,173,833) 2,446,512 5,316,000 7,832,467 2,516,467 3,016,441 5,382,000 15,029,133 9,647,133 2,726,689 7,171,000 26,837,050 19,666,050 3,243,796 6,552,000 37,327,467 30,775,467 2,646,243 7,717,000 56,594,133 48,877,133 2,782,828 7,658,000 63,032,883 55,374,883 2,465,671 59,801,217 210,019,133 150,217,917 32,898,637 BCR : 2.50 NPV : 49 313 821 IRR : 41.4%

88,036 235,810 210,545 1,700,519 4,444,352 7,614,227 12,139,719 15,075,938 20,408,412 20,294,901 82,212,458 PBP : 5.5

DICOUNT FACTOR 12%

42%

0.89

0.70

0.80

0.50

0.71

0.35

0.64

0.25

0.57

0.17

0.51

0.12

0.45

0.09

0.40

0.06

0.36

0.04

0.32

0.03

NET PRESENT VALUE (DISCOUNTED) (Rp), 12% (Rp), 42%

(8,983,914) (1,923,788) (2,128,365) (745,992) 1,427,911 4,887,538 8,895,922 12,429,695 17,625,584 17,829,230 49,313,821

(7,085,904) (1,196,786) (1,044,324) (288,704) 435,862 1,176,707 1,689,269 1,861,649 2,082,143 1,661,229 (708,859)

Lampiran 40. Lanjutan (sekenario I) Tipe T3 TAHUN

1 2 3 4 5 6 7 8 9 10

Total

COST

BENEFIT

PROFIT

NET COST

(Rp)

(Rp)

(Rp)

(Rp)

9,070,083 255,000 (8,815,083) 8,098,289 2,761,000 481,667 (2,279,333) 2,201,052 4,584,500 1,106,133 (3,478,367) 3,263,157 4,395,500 3,454,683 (940,817) 2,793,420 6,552,000 7,473,342 921,342 3,717,781 6,428,000 12,927,792 6,499,792 3,256,625 8,536,000 21,731,667 13,195,667 3,861,253 8,578,000 33,800,533 25,222,533 3,464,510 9,632,000 48,383,417 38,751,417 3,473,396 8,802,000 63,610,458 54,808,458 2,834,008 69,339,083 193,224,692 123,885,608 36,963,490 BCR : 2.05 NPV : 38 831 385 IRR : 40.06%

NET BENEFIT (Rp)

227,679 383,982 787,324 2,195,514 4,240,575 6,549,622 9,830,302 13,651,469 17,447,545 20,480,865 75,794,875 PBP : 5.2

DICOUNT FACTOR 12%

42%

0.89

0.70

0.80

0.50

0.71

0.35

0.64

0.25

0.57

0.17

0.51

0.12

0.45

0.09

0.40

0.06

0.36

0.04

0.32

0.03


(7,870,610) (1,817,071) (2,475,833) (597,906) 522,794 3,292,997 5,969,049 10,186,958 13,974,149 17,646,857 38,831,385

(Rp), 42%

(6,207,805) (1,130,397) (1,214,816) (231,394) 159,580 792,810 1,133,478 1,525,745 1,650,792 1,644,236 (1,877,770)

Tipe T4 TAHUN

1 2 3 4 5 6 7 8 9 10

DICOUNT FACTOR

COST

BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

12%

37%

50,595 45,174 2,590,311 3,985,207 6,980,953 10,034,007 15,030,140 19,266,179 23,328,791 23,776,554 105,087,910 PBP : 5.6

0.89

0.73

0.80

0.53

0.71

0.39

0.64

0.28

0.57

0.21

0.51

0.15

0.45

0.11

0.40

0.08

0.36

0.06

0.32

0.04

19,389,650 2,950,500 4,467,250 4,484,750 6,686,000 6,515,000 9,040,000 8,785,000 9,458,000 8,976,333

Total BCR : 2.23

56,667 (19,332,983) 17,312,188 56,667 (2,893,833) 2,352,121 3,639,200 (828,050) 3,179,700 6,270,800 1,786,050 2,850,140 12,302,825 5,616,825 3,793,816 19,805,350 13,290,350 3,300,702 33,226,850 24,186,850 4,089,237 47,702,350 38,917,350 3,548,114 64,692,575 55,234,575 3,410,650 73,846,367 64,870,033 2,890,139 261,599,650 180,847,167 46,726,806 NPV : 58 063 486 IRR : 36.56%


(Rp), 37%

(17,261,592) (14,111,667) (2,306,946) (1,541,815) (589,390) (322,029) 1,135,067 507,004 3,187,137 1,163,826 6,733,305 2,010,078 10,940,903 2,670,148 15,718,065 3,136,019 19,918,141 3,248,822 20,886,415 2,785,085 58,361,105 (454,528)

Lampiran 41. Analisis sensitivitas sekenario II pada sistem agroforestry di DAS Konaweha, Tahun 2005 Tipe T1 TAHUN 1 2 3 4 5 6 7 8 9 10

Total

` BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

12%

32%

142,857 637,755 5,802,812 8,668,043 13,723,672 15,525,609 21,577,239 24,197,210 27,157,517 26,192,609 143,625,323 PBP : 5.2

0.89

0.76

0.80

0.57

0.71

0.43

0.64

0.33

0.57

0.25

0.51

0.19

0.45

0.14

0.40

0.11

0.36

0.08

0.32

0.06

32,010,173 160,000 (31,850,173) 28,580,512 6,584,210 800,000 (5,784,210) 5,248,892 16,659,360 8,152,533 (8,506,827) 11,857,803 7,754,143 13,639,333 5,885,190 4,927,898 10,275,710 24,185,800 13,910,090 5,830,714 11,802,910 30,644,800 18,841,890 5,979,722 13,807,571 47,700,400 33,892,829 6,245,844 11,172,710 59,911,400 48,738,690 4,512,470 13,737,210 75,309,933 61,572,723 4,953,776 13,373,043 81,350,267 67,977,223 4,305,762 137,177,041 341,854,467 204,677,426 82,443,393 NPV : Rp 61 181 930 BCR : 1.74 IRR : 30.6%

1 2 3 4 5 6 7 8 9 10

Total


(28,437,655) (4,611,137) (6,054,991) 3,740,145 7,892,959 9,545,888 15,331,395 19,684,739 22,203,741 21,886,847 61,181,930

(Rp), 30.63%

(24,128,919) (3,319,680) (3,698,672) 1,938,495 3,471,045 3,561,893 4,853,894 5,287,890 5,060,844 4,232,765 (2,740,444)

`

Tipe T2 TAHUN

DICOUNT FACTOR

COST

COST

BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

11,684,671 116,000 (11,568,671) 10,432,742 3,115,350 348,000 (2,767,350) 2,483,538 3,778,900 348,000 (3,430,900) 2,689,746 4,427,078 2,681,333 (1,745,745) 2,813,488 6,113,400 8,348,000 2,234,600 3,468,907 6,189,300 15,948,000 9,758,700 3,135,692 8,246,650 28,773,000 20,526,350 3,730,366 7,534,800 40,581,333 33,046,533 3,043,179 8,874,550 63,248,000 54,373,450 3,200,252 8,806,700 69,673,000 60,866,300 2,835,522 68,771,399 230,064,667 161,293,268 37,833,432 BCR : 2.37 NPV : Rp 51 962 199 IRR : 40.7%

103,571 277,423 247,700 1,704,036 4,736,879 8,079,753 13,015,444 16,390,120 22,807,863 22,432,841 89,795,631 PBP : 5.6

DISCOUNT FACTOR 12%

42%

0.89

0.70

0.80

0.50

0.71

0.35

0.64

0.25

0.57

0.17

0.51

0.12

0.45

0.09

0.40

0.06

0.36

0.04

0.32

0.03


(10,329,170) (2,206,114) (2,442,047) (1,109,453) 1,267,972 4,944,061 9,285,078 13,346,941 19,607,611 19,597,320 51,962,199

(Rp), 42%

(8,146,951) (1,372,421) (1,198,238) (429,366) 387,042 1,190,315 1,763,166 1,999,029 2,316,284 1,825,969 (1,665,170)

Lampiran 41. Lanjutan (sekenario II) Tipe T3 TAHUN 1 2 3 4 5 6 7 8 9 10

` COST

BENEFIT

(Rp)

(Rp)

10,430,596 3,175,150 5,272,175 5,054,825 7,534,800 7,392,200 9,816,400 9,864,700 11,076,800 10,122,300

300,000 566,667 1,212,417 4,174,333 8,578,833 14,749,167 24,620,000 38,258,667 60,039,667 78,269,833

PROFIT (Rp)

(10,130,596) (2,608,483) (4,059,758) (880,492) 1,044,033 7,356,967 14,803,600 28,393,967 48,962,867 68,147,533

Total BCR : 2.12

NPV : Rp 47 508 241

Tipe T4 TAHUN

1 2 3 4 5 6 7 8 9 10

NET COST

NET BENEFIT

(Rp)

(Rp)

9,313,032 2,531,210 3,752,630 3,212,433 4,275,448 3,745,119 4,440,441 3,984,187 3,994,405 3,259,110 42,508,014 IRR : 49.41%

267,857 451,743 862,974 2,652,864 4,867,860 7,472,387 11,136,838 15,452,034 21,650,906 25,200,792 90,016,255 PBP : 5.2

DICOUNT FACTOR

NET PRESENT VALUE (DISCOUNTED)

12%

42%

(Rp), 12%

(Rp), 52%

0.89

0.70

0.80

0.50

0.71

0.35

0.64

0.25

0.57

0.17

0.51

0.12

0.45

0.09

0.40

0.06

0.36

0.04

0.32

0.03

(9,045,175) (2,079,467) (2,889,656) (559,568) 592,413 3,727,268 6,696,397 11,467,847 17,656,501 21,941,682 47,508,241

(7,134,222) (1,293,634) (1,417,866) (216,557) 180,831 897,364 1,271,595 1,717,589 2,085,796 2,044,404 (1,864,700)

` COST

BENEFIT

(Rp)

(Rp)

22,298,098 3,393,075 5,137,338 5,157,463 7,688,900 7,492,250 10,396,000 10,102,750 10,876,700 10,322,783

66,667 66,667 3,685,333 7,148,000 12,836,500 27,655,000 31,614,000 48,663,000 69,531,167 85,780,000

PROFIT (Rp)

(22,231,431) (3,326,408) (1,452,004) 1,990,538 5,147,600 20,162,750 21,218,000 38,560,250 58,654,467 75,457,217

Total BCR : 2.14

NPV : Rp 61 484 570

NET COST

NET BENEFIT

(Rp)

(Rp)

19,909,016 59,524 2,704,939 53,146 3,656,655 2,623,147 3,277,661 4,542,683 4,362,888 7,283,775 3,795,807 14,010,884 4,702,622 14,300,568 4,080,331 19,654,170 3,922,247 25,073,636 3,323,660 27,618,864 53,735,826 115,220,397 IRR : 36.98% PBP : 5.6

DICOUNT FACTOR 12%

37%

0.89

0.73

0.80

0.53

0.71

0.39

0.64

0.28

0.57

0.21

0.51

0.15

0.45

0.11

0.40

0.08

0.36

0.06

0.32

0.04


(19,849,492) (2,651,792) (1,033,508) 1,265,023 2,920,886 10,215,077 9,597,946 15,573,838 21,151,389 24,295,204 61,484,570

(16,227,322) (1,772,289) (564,685) 565,052 1,066,601 3,049,484 2,342,397 3,107,244 3,449,975 3,239,628 (1,743,915)

Lampiran 42. Analisis sensitivitas sekenario III pada sistem agroforestry di DAS Konaweha, Tahun 2005 Tipe T1 TAHUN 1 2 3 4 5 6 7 8 9 10

Total

` COST

BENEFIT

PROFIT

(Rp)

(Rp)

(Rp)

32,010,173 136,000 (31,874,173) 6,584,210 680,000 (5,904,210) 16,659,360 7,897,653 (8,761,707) 7,754,143 12,901,433 5,147,290 10,275,710 21,406,817 11,131,107 11,802,910 29,719,080 17,916,170 13,807,571 43,077,340 29,269,769 11,172,710 53,449,890 42,277,180 13,737,210 67,228,503 53,491,293 13,373,043 73,182,470 59,809,427 137,177,041 309,679,187 172,502,146 NPV : 48 123 613 BCR : 1.58

Tipe T2 TAHUN 1 2 3 4 5 6 7 8 9 10

Total

NET COST

NET BENEFIT

DICOUNT FACTOR


(Rp)

(Rp)

12%

32%

(Rp), 12%

28,580,512 5,248,892 11,857,803 4,927,898 5,830,714 5,979,722 6,245,844 4,512,470 4,953,776 4,305,762 82,443,393 IRR : 28.1% `

121,429 542,092 5,621,394 8,199,094 12,146,803 15,056,611 19,486,001 21,587,514 24,243,272 23,562,797 130,567,006 PBP :5.5

0.89

0.76

0.80

0.57

0.71

0.43

0.64

0.33

0.57

0.25

0.51

0.19

0.45

0.14

0.40

0.11

0.36

0.08

0.32

0.06

(28,459,083) (4,706,800) (6,236,410) 3,271,196 6,316,089 9,076,889 13,240,157 17,075,044 19,289,497 19,257,035 48,123,613

COST

BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

11,684,671 98,600 (11,586,071) 10,432,742 3,115,350 295,800 (2,819,550) 2,483,538 3,778,900 295,800 (3,483,100) 2,689,746 4,427,078 2,675,800 (1,751,278) 2,813,488 6,113,400 7,832,467 1,719,067 3,468,907 6,189,300 15,029,133 8,839,833 3,135,692 8,246,650 26,837,050 18,590,400 3,730,366 7,534,800 37,327,467 29,792,667 3,043,179 8,874,550 56,594,133 47,719,583 3,200,252 8,806,700 63,032,883 54,226,183 2,835,522 68,771,399 210,019,133 141,247,734 37,833,432 BCR : 2.17 NPV : 44 379 025 IRR : 36.6%

88,036 235,810 210,545 1,700,519 4,444,352 7,614,227 12,139,719 15,075,938 20,408,412 20,294,901 82,212,458 PBP : 5.8

DICOUNT FACTOR

(Rp), 37%

(24,147,101) (3,388,550) (3,809,491) 1,695,442 2,777,594 3,386,894 4,191,812 4,586,850 4,396,608 3,724,177 (6,585,766)


12%

37%

(Rp), 12%

0.89

0.73

0.80

0.53

0.71

0.39

0.64

0.28

0.57

0.21

0.51

0.15

0.45

0.11

0.40

0.08

0.36

0.06

0.32

0.04

(10,344,706) (2,247,728) (2,479,202) (1,112,969) 975,445 4,478,535 8,409,353 12,032,758 17,208,160 17,459,380 44,379,025

(Rp), 37%

(8,456,986) (1,502,238) (1,354,579) (497,133) 356,197 1,336,967 2,052,319 2,400,738 2,806,800 2,328,109 (529,805)

Lampiran 42. Lanjutan (sekenario III) Tipe T3 TAHUN

1 2 3 4 5 6 7 8 9 10

Total

COST

BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

10,430,596 255,000 (10,175,596) 9,313,032 3,175,150 481,667 (2,693,483) 2,531,210 5,272,175 1,106,133 (4,166,042) 3,752,630 5,054,825 3,454,683 (1,600,142) 3,212,433 7,534,800 7,473,342 (61,458) 4,275,448 7,392,200 12,927,792 5,535,592 3,745,119 9,816,400 21,731,667 11,915,267 4,440,441 9,864,700 33,800,533 23,935,833 3,984,187 11,076,800 48,383,417 37,306,617 3,994,405 10,122,300 63,610,458 53,488,158 3,259,110 79,739,946 193,224,692 113,484,746 42,508,014 BCR : 1.78 NPV : 33 286 862 IRR : 34.53%

227,679 383,982 787,324 2,195,514 4,240,575 6,549,622 9,830,302 13,651,469 17,447,545 20,480,865 75,794,875 PBP : 5.5

DICOUNT FACTOR 12%

37%

0.89

0.73

0.80

0.53

0.71

0.39

0.64

0.28

0.57

0.21

0.51

0.15

0.45

0.11

0.40

0.08

0.36

0.06

0.32

0.04


(9,085,353) (2,147,228) (2,965,306) (1,016,919) (34,873) 2,804,503 5,389,862 9,667,282 13,453,140 17,221,755 33,286,862

(Rp), 37%

(7,427,442) (1,435,070) (1,620,175) (454,230) (12,734) 837,222 1,315,406 1,928,786 2,194,324 2,296,423 (2,377,491)

Tipe T4 TAHUN

1 2 3 4 5 6 7 8 9 10

Total

COST

BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

22,298,098 56,667 (22,241,431) 19,909,016 50,595 3,688,125 56,667 (3,631,458) 2,940,151 45,174 5,584,063 3,639,200 (1,944,863) 3,974,625 2,590,311 5,605,938 6,270,800 664,863 3,562,675 3,985,207 8,357,500 12,302,825 3,945,325 4,742,270 6,980,953 8,143,750 19,805,350 11,661,600 4,125,877 10,034,007 11,300,000 33,226,850 21,926,850 5,111,546 15,030,140 10,981,250 47,702,350 36,721,100 4,435,143 19,266,179 11,822,500 64,692,575 52,870,075 4,263,312 23,328,791 11,220,417 73,846,367 62,625,950 3,612,674 23,776,554 99,001,639 261,599,650 162,598,011 56,677,288 105,087,910 BCR : 1.94 NPV : 51 009 822 IRR : 31.92% PBP: 6.1

DICOUNT FACTOR


12%

32%

(Rp), 12%

0.89

0.76

0.80

0.57

0.71

0.43

0.64

0.33

0.57

0.25

0.51

0.19

0.45

0.14

0.40

0.11

0.36

0.08

0.32

0.06

(19,858,420) (2,894,976) (1,384,315) 422,532 2,238,683 5,908,129 9,918,593 14,831,036 19,065,479 20,163,880 48,410,622

(Rp), 62%

(16,849,569) (2,084,170) (845,604) 218,996 984,494 2,204,523 3,140,210 3,984,045 4,345,548 3,899,555 (1,001,973)

Lampiran 43. Analisis sensitivitas sekenario IV pada system agroforestry di DAS Konaweha, Tahun 2005 Tipe T1 TAHUN

` COST

BENEFIT

PROFIT

NET COST

(Rp)

(Rp)

(Rp)

(Rp)

27,834,933 115,600 (27,719,333) 24,852,619 2 5,725,400 578,000 (5,147,400) 4,564,254 3 14,486,400 7,613,005 (6,873,395) 10,311,133 4 6,742,733 11,866,218 5,123,485 4,285,129 5 8,935,400 19,095,794 10,160,394 5,070,186 6 10,263,400 26,161,218 15,897,818 5,199,758 7 12,006,583 37,515,739 25,509,156 5,431,169 8 9,715,400 46,332,407 36,617,007 3,923,887 9 11,945,400 58,044,228 46,098,828 4,307,631 10 11,628,733 63,105,100 51,476,366 3,744,141 Total 119,284,383 270,427,309 151,142,925 71,689,907 NPV : Rp 42 856 203 BCR : 1.60 IRR : 28.60% Tipe T2 ` 1

TAHUN

1 2 3 4 5 6 7 8 9 10

Total

NET BENEFIT (Rp)

12%

32%

103,214 460,778 5,418,787 7,541,196 10,835,466 13,254,087 16,970,215 18,712,882 20,931,330 20,318,153 114,546,110 PBP : 5.3

0.89

0.76

0.80

0.57

0.71

0.43

0.64

0.33

0.57

0.25

0.51

0.19

0.45

0.14

0.40

0.11

0.36

0.08

0.32

0.06

COST

BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

10,160,583 83,810 (10,076,773) 9,071,949 2,709,000 251,430 (2,457,570) 2,159,598 3,286,000 251,430 (3,034,570) 2,338,910 3,849,633 2,274,430 (1,575,203) 2,446,512 5,316,000 6,657,597 1,341,597 3,016,441 5,382,000 12,774,763 7,392,763 2,726,689 7,171,000 22,811,493 15,640,493 3,243,796 6,552,000 31,728,347 25,176,347 2,646,243 7,717,000 48,105,013 40,388,013 2,782,828 7,658,000 53,577,951 45,919,951 2,465,671 59,801,217 178,516,263 118,715,047 32,898,637 BCR : 2.12 NPV : Rp 43 427 649 IRR : 36.22%

DICOUNT FACTOR

74,830 200,438 178,963 1,445,441 3,777,699 6,472,093 10,318,761 12,814,547 17,347,150 17,250,666 69,880,589 PBP : 5.7

DISCOUNT FACTOR 12%

37%

0.89

0.73

0.80

0.53

0.71

0.39

0.64

0.28

0.57

0.21

0.51 0.45

0.15 0.11

0.40

0.08

0.36

0.06

0.32

0.04


(Rp), 32%

(24,749,405) (20,999,495) (4,103,476) (2,954,201) (4,892,347) (2,988,474) 3,256,067 1,687,601 5,765,281 2,535,367 8,054,329 3,005,342 11,539,047 3,653,243 14,788,995 3,972,751 16,623,699 3,788,999 16,574,012 3,205,299 42,856,203 (5,093,567)


(8,997,119) (1,959,160) (2,159,947) (1,001,070) 761,258 3,745,404 7,074,965 10,168,304 14,564,322 14,784,995 36,981,952

(Rp), 37%

(7,355,309) (1,309,377) (1,180,145) (447,151) 277,984 1,118,107 1,726,659 2,028,748 2,375,568 1,971,495 (793,422)

Lampiran 43. Lanjutan (sekenario IV) Tipe T3 TAHUN 1 2 3 4 5 6 7 8 9 10

Total

` COST

BENEFIT

PROFIT

NET COST

(Rp)

(Rp)

(Rp)

(Rp)

9,070,083 216,750 (8,853,333) 8,098,289 2,761,000 409,417 (2,351,583) 2,201,052 4,584,500 940,213 (3,644,287) 3,263,157 4,395,500 2,936,481 (1,459,019) 2,793,420 6,552,000 6,212,657 (339,343) 3,717,781 6,428,000 10,709,256 4,281,256 3,256,625 8,536,000 17,961,350 9,425,350 3,861,253 8,578,000 27,757,487 19,179,487 3,464,510 9,632,000 39,690,538 30,058,538 3,473,396 8,802,000 52,325,256 43,523,256 2,834,008 69,339,083 159,159,405 89,820,321 36,963,490 BCR : 1.69 IRR : 31.04% NPV : Rp 25 538 428

Tipe T4 TAHUN

1 2 3 4 5 6 7 8 9 10

Total

NET BENEFIT (Rp)

193,527 326,384 669,225 1,866,187 3,525,228 5,425,643 8,124,803 11,210,783 14,312,806 16,847,332 62,501,918 PBP : 5.5

DICOUNT FACTOR 12%

32%

0.89

0.76

0.80

0.57

0.71

0.43

0.64

0.33

0.57

0.25

0.51

0.19

0.45

0.14

0.40

0.11

0.36

0.08

0.32

0.06


(7,904,762) (1,874,668) (2,593,931) (927,233) (192,552) 2,169,018 4,263,550 7,746,273 10,839,410 14,013,324 25,538,428

(Rp), 32%

(6,707,071) (1,349,623) (1,584,495) (480,580) (84,678) 809,334 1,349,833 2,080,873 2,470,600 2,710,080 (785,726)

` COST

BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

19,389,650 48,167 (19,341,483) 17,312,188 2,950,500 48,167 (2,902,333) 2,352,121 4,467,250 3,543,320 (923,930) 3,179,700 4,484,750 5,780,180 1,295,430 2,850,140 6,686,000 9,751,401 3,065,401 3,793,816 6,515,000 13,816,548 7,301,548 3,300,702 9,040,000 23,490,823 14,450,823 4,089,237 8,785,000 35,361,498 26,576,498 3,548,114 9,458,000 49,767,064 40,309,064 3,410,650 8,976,333 57,547,787 48,571,453 2,890,139 80,752,483 199,154,953 118,402,469 46,726,806 BCR : 1.71 NPV : Rp 33 466 493 IRR : 29.26%

43,006 38,398 2,522,065 3,673,409 5,533,207 6,999,893 10,626,055 14,281,916 17,946,502 18,528,847 80,193,298 PBP: 6.1

DICOUNT FACTOR 12%

32%

0.89

0.76

0.80

0.57

0.71

0.43

0.64

0.33

0.57

0.25

0.51

0.19

0.45

0.14

0.40

0.11

0.36

0.08

0.32

0.06

NET PRESENT VALUE (DISCOUNTED) 12%, (Rp)

32%, (Rp)

(17,269,182) (14,652,639) (2,313,722) (1,665,710) (657,635) (401,714) 823,269 426,696 1,739,391 764,923 3,699,191 1,380,293 6,536,818 2,069,546 10,733,802 2,883,409 14,535,852 3,313,121 15,638,708 3,024,418 33,466,493 (2,857,657)

Lampiran 44 Analisis sensitivitas sekenario V pada sistem agroforestry di DAS Konaweha, Tahun 2005 Tipe T1 TAHUN 1 2 3 4 5 6 7 8 9 10

Total

` BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

12%

27%

103,214 460,778 5,418,787 7,541,196 10,835,466 13,254,087 16,970,215 18,712,882 20,931,330 20,318,153 114,546,110 PBP : 5.6 th

0.89

0.79

0.80

0.62

0.71

0.49

0.64

0.38

0.57

0.30

0.51

0.24

0.45

0.19

0.40

0.15

0.36

0.12

0.32

0.09

32,010,173 115,600 (31,894,573) 28,580,512 6,584,210 578,000 (6,006,210) 5,248,892 16,659,360 7,613,005 (9,046,355) 11,857,803 7,754,143 11,866,218 4,112,075 4,927,898 10,275,710 19,095,794 8,820,084 5,830,714 11,802,910 26,161,218 14,358,308 5,979,722 13,807,571 37,515,739 23,708,168 6,245,844 11,172,710 46,332,407 35,159,697 4,512,470 13,737,210 58,044,228 44,307,018 4,953,776 13,373,043 63,105,100 49,732,056 4,305,762 137,177,041 270,427,309 133,250,268 82,443,393 BCR : 1.39 IRR : 22.6% NPV : Rp 32 102 717

Tipe T2 TAHUN

1 2 3 4 5 6 7 8 9 10

Total

DICOUNT FACTOR

COST


(28,477,298) (4,788,114) (6,439,017) 2,613,298 5,004,753 7,274,366 10,724,371 14,200,412 15,977,555 16,012,391 32,102,717

(25,113,837) (3,723,858) (4,416,339) 1,580,688 2,669,649 3,422,007 4,449,098 5,195,356 5,155,123 4,556,163 (6,225,951)

` DISCOUNT FACTOR

COST

BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

12%

32%

74,830 200,438 178,963 1,445,441 3,777,699 6,472,093 10,318,761 12,814,547 17,347,150 17,250,666 69,880,589 PBP : 5.9 th

0.89

0.76

0.80

0.57

0.71

0.43

0.64

0.33

0.57

0.25

0.51

0.19

0.45

0.14

0.40

0.11

0.36

0.08

0.32

0.06

11,684,671 83,810 (11,600,861) 10,432,742 3,115,350 251,430 (2,863,920) 2,483,538 3,778,900 251,430 (3,527,470) 2,689,746 4,427,078 2,274,430 (2,152,648) 2,813,488 6,113,400 6,657,597 544,197 3,468,907 6,189,300 12,774,763 6,585,463 3,135,692 8,246,650 22,811,493 14,564,843 3,730,366 7,534,800 31,728,347 24,193,547 3,043,179 8,874,550 48,105,013 39,230,463 3,200,252 8,806,700 53,577,951 44,771,251 2,835,522 68,771,399 178,516,263 109,744,864 37,833,432 BCR : 1.85 NPV : Rp 32 087 157 IRR : 31.44%


(10,357,911) (2,283,099) (2,510,783) (1,368,047) 308,792 3,336,401 6,588,395 9,771,368 14,146,898 14,415,145 32,047,157

(Rp), 32%

(8,788,531) (1,643,664) (1,533,704) (709,051) 135,796 1,244,924 2,085,875 2,624,872 3,224,468 2,787,789 (571,226)

Lampiran 44. Lanjutan (sekenario V) Tipe T3 TAHUN

` PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

12%

27%

(Rp), 12%

(Rp), 52%

193,527 326,384 669,225 1,866,187 3,525,228 5,425,643 8,124,803 11,210,783 14,312,806 16,847,332 62,501,918 PBP : 5.7 th

0.89

0.79

0.80

0.62

0.71

0.49

0.64

0.38

0.57

0.30

0.51

0.24

0.45

0.19

0.40

0.15

0.36

0.12

0.32

0.09

(9,119,505) (2,204,826) (3,083,405) (1,346,246) (750,219) 1,680,524 3,684,362 7,226,596 10,318,401 13,588,222 19,993,904

(8,042,398) (1,714,758) (2,114,820) (814,295) (400,184) 790,552 1,528,489 2,643,919 3,329,209 3,866,390 (927,895)

10,430,596 216,750 (10,213,846) 9,313,032 3,175,150 409,417 (2,765,733) 2,531,210 2 5,272,175 940,213 (4,331,962) 3,752,630 3 5,054,825 2,936,481 (2,118,344) 3,212,433 4 7,534,800 6,212,657 (1,322,143) 4,275,448 5 7,392,200 10,709,256 3,317,056 3,745,119 6 9,816,400 17,961,350 8,144,950 4,440,441 7 9,864,700 27,757,487 17,892,787 3,984,187 8 11,076,800 39,690,538 28,613,738 3,994,405 9 10,122,300 52,325,256 42,202,956 3,259,110 10 Total 79,739,946 159,159,405 79,419,459 42,508,014 BCR : 1.47 NPV : Rp 19 993 904 IRR : 25.80% Tipe T4 `

1 2 3 4 5 6 7 8 9 10

Total


BENEFIT

1

TAHUN

DICOUNT FACTOR

COST

DICOUNT FACTOR

COST

BENEFIT

PROFIT

NET COST

NET BENEFIT

(Rp)

(Rp)

(Rp)

(Rp)

(Rp)

12%

27%

43,006 38,398 2,522,065 3,673,409 5,533,207 6,999,893 10,626,055 14,281,916 17,946,502 18,528,847 80,193,298 PBP : 6.5 th

0.89

0.79

0.80

0.62

0.71

0.49

0.64

0.38

0.57

0.30

0.51

0.24

0.45

0.19

0.40

0.15

0.36

0.12

0.32

0.09

22,298,098 48,167 (22,249,931) 19,909,016 3,393,075 48,167 (3,344,908) 2,704,939 5,137,338 3,543,320 (1,594,018) 3,656,655 5,157,463 5,780,180 622,718 3,277,661 7,688,900 9,751,401 2,062,501 4,362,888 7,492,250 13,816,548 6,324,298 3,795,807 10,396,000 23,490,823 13,094,823 4,702,622 10,102,750 35,361,498 25,258,748 4,080,331 10,876,700 49,767,064 38,890,364 3,922,247 10,322,783 57,547,787 47,225,003 3,323,660 92,865,356 199,154,953 106,289,597 53,735,826 BCR : 1.48 IRR : 24.00% NPV : Rp 26 457 472


(19,866,010) (2,666,540) (1,134,590) 395,748 1,170,319 3,204,086 5,923,433 10,201,584 14,024,255 15,205,187 26,457,472

(Rp), 57%

(17,519,631) (2,073,847) (778,183) 239,374 624,275 1,507,266 2,457,387 3,732,347 4,524,895 4,326,481 (2,959,637)

Lampiran 45.

Prioritas tujuan

Tingkat ketercapaian tujuan optimalisasi agroteknologi sistem agroforestry sekenario 0 (kondisi existing) di DAS Konaweha, Tahun 2005 Tujuan (target)

P3: Luas lahan 0.75 ha

1.1 ha

DU

DO

DU

DO

P1 : T1 T2 T3 T4

38.9 31.2 34.3 35.8

10.6 0.9 8.3 18.2

0 0 0 0

7.3 0.9 8.3 18.2

0 0 0 0

P2 : T1 T2 T3 T4

14.000.000 14.000.000 14.000.000 14.000.000

8.618.600 9.752.162 10.021.043 8.891.757

0 0 0 0

6.107.310 7.769.838 8.164.196 6.507.911

0 0 0 0

P4 : T1 T2 T3 T4

4.975.938 1.798.897 2.186.859 3.014.248

0 0 0 0

0 0 0 0

497.594 179.890 218.686 301.425

0 0 0 0

P5 : T1 T2 T3 T4

309.0 124.7 211.0 224.9

0 0 0 0

0 0 0 0

30.90 12.47 21.10 22.49

0 0 0 0

Keterangan: P1 : tujuan laju erosi (ton/ha/th), P2: tujuan pendapatan memenuhi KHL (Rp/KK/th), P3 : kendala ketersediaan lahan (ha), P4: kendala ketersediaan modal (Rp/ha), P5: kendala ketersediaan tenaga kerja (HOK/ha), (DU) : target tidak tercapai dan (DO) : melebihi target, T1: sylvopastoral-p, T2: agrosylvicultural-p, T3: agrosylviculturalm, T4: sylvopastoral-m.

Lampiran 46.

Prioritas tujuan

Tingkat ketercapaian tujuan optimalisasi agroteknologi sistem agroforestry sekenario I di DAS Konaweha, Tahun 2005 Tujuan (target)


1.1 ha

DU

DO

DU

DO

P1 : T1 T2 T3 T4

38.9 31.2 34.3 35.8

11.2 4.0 9.0 18.7

0 0 0 0

7.3 0.9 8.3 18.2

0 0 0 0

P2 : T1 T2 T3 T4

14.000.000 14.000.000 14.000.000 14.000.000

5.827.530 8.477.811 8.029.500 6.249.625

0 0 0 0

2013710 5900790 5243267 2632783

0 0 0 0

P4 : T1 T2 T3 T4

4.975.938 1.798.897 2.186.859 3.014.248

373.195 134.917 164.014 226.069

0 0 0 0

995.188 359.779 437.372 602.850

0 0 0 0

P5 : T1 T2 T3 T4

309.0 124.7 211.0 224.9

23.2 9.4 15.8 16.9

0 0 0 0

61.8 24.9 42.2 45.0

0 0 0 0


Lampiran 47.

Prioritas tujuan

Tingkat ketercapaian tujuan optimalisasi agroteknologi sistem agroforestry sekenario II di DAS Konaweha, Tahun 2005 P3: Luas lahan

Tujuan (target)

0.75 ha

1.1 ha

DU

DO

DU

DO

P1 : T1 T2 T3 T4

38.9 31.2 34.3 35.8

13.5 4.8 10.3 19.9

0 0 0 0

7.3 0.9 8.3 18.2

0 0 0 0

P2 : T1 T2 T3 T4

14.000.000 14.000.000 14.000.000 14.000.000

5.389.800 8.053.027 7.633.669 5.826.800

0 0 0 0

1.371.707 5.277.773 4.662.715 2.012.640

0 0 0 0

P4 : T1 T2 T3 T4

4.975.938 1.798.897 2.186.859 3.014.248

373.195 134.917 164.014 226.069

0 0 0 0

995.188 359.779 437.372 602.850

0 0 0 0

P5 : T1 T2 T3 T4

309.0 124.7 211.0 224.9

23.2 9.4 15.8 16.9

0 0 0 0

61.8 24.9 42.2 45.0

0 0 0 0


Lampiran 48.

Prioritas tujuan

Tingkat ketercapaian tujuan optimalisasi agroteknologi sistem agroforestry sekenario III di DAS Konaweha, Tahun 2005 Tujuan (target)


1.1 ha

DU

DO

DU

DO

P1 : T1 T2 T3 T4

38.9 31.2 34.3 35.8

15.5 6.8 11.5 20.7

0 0 0 0

7.3 0.9 8.3 18.2

0 0 0 0

P2 : T1 T2 T3 T4

14.000.000 14.000.000 14.000.000 14.000.000

3.582.550 6.778.675 6.042.086 4.549.750

0 0 0 0

0 3.408.724 2.328.393 139.633

1.278.927 0 0 0

P4 : T1 T2 T3 T4

4.975.938 1.798.897 2.186.859 3.014.248

559.793 202.375 246.021 339.102

0 0 0 0

1.243.985 449.724 546.715 753.562

0 0 0 0

P5 : T1 T2 T3 T4

309.0 124.7 211.0 224.9

34.8 14.0 23.7 25.3

0 0 0 0

77.3 31.2 52.8 56.2

0 0 0 0


Lampiran 49.

Prioritas tujuan

Tingkat ketercapaian tujuan optimalisasi agroteknologi sistem agroforestry sekenario IV di DAS Konaweha, Tahun 2005 Tujuan (target)


1.1 ha

DU

DO

DU

DO

P1 : T1 T2 T3 T4

38.9 31.2 34.3 35.8

17.0 7.6 12.5 22.3

0 0 0 0

7.3 0.9 8.3 18.2

0 0 0 0

P2 : T1 T2 T3 T4

14.000.000 14.000.000 14.000.000 14.000.000

457.315 2.445.880 1.267.338 769.650

0 0 0 0

0 0 0 0

5.862605 2.946.043 4.674.570 5.404.513

P4 : T1 T2 T3 T4

4.975.938 1.798.897 2.186.859 3.014.248

746.391 404.752 492.043 565.172

0 0 0 0

1.343.503 1.259.228 1.312.115 1.054.987

0 0 0 0

P5 : T1 T2 T3 T4

309.0 124.7 211.0 224.9

46.4 28.1 47.5 42.2

0 0 0 0

83.4 87.3 126.6 78.7

0 0 0 0


Lampiran 50. Peta Penggunaan lahan DAS Konaweha, Tahun 2004

Lampiran 51 Peta lokasi pengamatan sistem agroforestry dan hutan di DAS Konaweha, Tahun 2005

N g g g g N g g g g g M lg lg lg lg M g g g C g g C g g g k k k k k k k k k lg lg lg lg lg lg lg k k R k k g Ps m k k k k k k k k lg lg lg lg lg lg lg k k C lg lg C g g k k k k k k k k k lg lg lg lg lg lg lg R lg lg lg R M k k k k N k k k k lg lg lg lg lg lg lg k k C lg lg Cg g k k k k k k k k k M lg lg lg lg lg lg k k k R lg lg g P k k k k k k k k lg lg lg lg lg lg M C K lg C lg K g D k k k k k k k k lg lg lg lg lg lg lg lg k k k k k g N k k k k N k k k k M lg lg lg lg lg lg R k k R k k R g k k k k k k k k k lg lg lg lg lg lg lg k k C k k k C P k k k k k k k k k lg lg lg lg lg lg lg K k k K k k g g m k k k k k k k lg lg lg lg lg lg lg lg lg C lg lg C M k k k k N k k k k M lg lg lg lg M R lg lg R lg lg g g k k k k k k k k k lg lg lg lg lg lg lg lg lg C lg lg Cg P D k k D k k k D lg lg D lg lg lg lg K lg lg R lg lg g g k k k k k k k k k lg lg lg lg lg lg lg lg lg C lg lg C g N k k k k N k k k k M lg lg lg lg lg R lg lg R lg lg M g g m k k k k k k k k lg lg lg lg lg lg lg lg C lg lg C lg g P k k k k k k k k k lg lg lg lg lg R lg K k R k k Kg g k k k D k k k D k lg lg D lg lg m lg lg D lg lg lg D M g g P g g g N g g P g g M g g g g P g g g N g g P g g gP 20 m Keterangan : Kode tanaman k : kakao lg : lada/gamal C : cengkeh K : kelapa M : jambu mete R : rambutan D : durian m : mangga N : nangka P : pisang g : gamal

Jarak tanam (m) 3x3 2 x 1,5 5x5 10 x 10 20 x 20 5x7 10 8 10 x 10 10 1

Jumlah pohon/ha 480 610 22 30 61 27 37 30 30 30 400

Lampiran 52. Denah Pola Tanam Tipe Sylvopastoral-p di DAS Konaweha, Tahun 2005

S P j P

M j R

j

M j

K

j M

j

j R

j

j M

j

N P

D N

P j P

j R

j

j

j M

j

j

j R

j

D j N

P j P

j K

j D

j

j M

j

j

j R

j

j M

j

j

N j

j

j R

D j

j

D j

j

j

M N

j

j

j

N j

j R

j

j

j

j M

j

j

j

j R

j

N j

N j

j

j

j

j M

j

j

j

j

R D

D N R

D j

P

D j

j

N

D j

K

j M

D

K J

j

N j

j R

D j

K S

j

N j

j

j

D j

P j

j R

D j

J

j

M

D j

j

j

P

S 10 m Keterangan : Kode tanaman R : rambutan M : mangga j : jeruk manis K : kedondong D : durian N : nangka P : pisang S : sengon J : jati

j P

D j

K

J 40 m Jarak tanam (m) 10 x 10 7x7 5x5 10 x 15 10 x 10 10 x 10 10 20 20

j P

j P S 10 m Jumlah pohon/ha 75 50 75 22 50 10 20 20 15

Lampiran 53. Denah Pola Tanam Tipe Agrosylvicultural-p di DAS Konaweha, Tahun 2005

Foto A : Tipe sylvopastoral-p

Tipe sylvopastoral-p

Tipe sylvopastoral-m

Lampiran 54. Penutupan tanah dengan serasah dan rumput pada tipe sylvopastoral-p dan sylvopastoral-m di DAS Konaweha, Tahun 2005

Tipe agrosylvicultural-p

Lapisan tajuk strata A pada tipe agrosylvicultural-m

Lapisan tajuk strata A dan B pada tipe sylvopastoral-m Lampiran 55. Contoh kondisi tipe agrosylvicultural-p dan lapisan tajuk pada tipe agrosylvicultural-m dan sylvopastoral-m di DAS Konaweha, Tahun 2005

Lampiran 56. Peta Rekomendasi Agroteknologi Sistem Agroforestry di DAS Konaweha, Tahun 2005

Production in the Tropics. John Wiley and Sons, Inc. New York, pp: Declerk, M., P.H. Smets and J. Rom Euphorbia Project: Reneweble

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