Direktorat Jenderal Rehabilitasi Lahan dan Perhutanan Sosial, Departmen Kehutanan, Republik Indonesia

(1)

Japan International Cooperation Agency (JICA)

Direktorat Jenderal Rehabilitasi Lahan dan Perhutanan Sosial,

Departmen Kehutanan, Republik Indonesia

STUDI

REHABILITASI HUTAN LINDUNG

DAN

LAHAN KRITIS

DI

DAERAH ALIRAN SUNGAI TONDANO

REPUBLIK INDONESIA

LAPORAN UTAMA

AGUSTUS 2001

Nippon Koei Co., Ltd.

Kokusai Kogyo Co., Ltd.

No.

AFF

JR

01-23

(2)

Japan International Cooperation Agency (JICA)

Direktorat Jenderal Rehabilitasi Lahan dan Perhutanan Sosial,

Departmen Kehutanan, Republik Indonesia

STUDI

REHABILITASI HUTAN LINDUNG

DAN

LAHAN KRITIS

DI

DAERAH ALIRAN SUNGAI TONDANO

REPUBLIK INDONESIA

LAPORAN UTAMA

AGUSTUS 2001

Nippon Koei Co., Ltd.

Kokusai Kogyo Co., Ltd.

(3)

DAFTAR VOLUME

BAHASA INDONESIA

LAPORAN UTAMA

BAHASA INGGRIS

VOLUME-I

LAPORAN UTAMA

VOLUME-II

APENDIKS (1/2)

Apendiks-A Photo Wilayah dan Peta Topografi

Apendiks -B PCM Workshop

Apendiks -C Kondisi Natural

Apendiks -D Sosial-Ekonomi dan Rapid Rural Appraisal

Apendiks -E Penggunaan Lahan

Apendiks -F Kehutanan

VOLUME-III APENDIKS (2/2)

Apendiks -G Pertanian dan Agroforestry

Apendiks -H Erosi Tanah dan Sedimentasi

Apendiks -I

Pembentukan Kemampuan dan Pengembangan Institusi

Apendiks -J

Pelaksanaan Proyek dan Estimasi Biaya

Apendiks -K Lingkungan

Apendiks -L Evaluasi Proyek

(4)

(5)

(6)

.<JK

3 _<

D

_A

₉

_<

EF

L

<

E

?

C

F

3 <@

A

9 <

<

H

F

_B<

GF

3<@

_{A 9}

<

_E

FL

<E

_?C

F

3 _<

@

_{+ 1K}

A<

_E

3<

@

+

5 <>

E

?

PPP

VVV

UUU

RRR

QQQ

UUU

VVV

O O O

T T TYYY

S S S

W W W

\`hid_

c[d[]e

u}1.3}43

p8.3,48}

z+6}.

s}6939

u+5}8}6}3

{43,0+.3}

|}7.}3

{}3*/93,2+6}-z},6}8

p.62}..

u+2}

{43*}34

{424-43

t6.7

u}/9;}89

y92~.}

q+38+3}3

v.3}3,}

v41425}6

y}340+8}3,

v}1.09

x}71}8+3

|4;43891}5

z+3*90

y+2~40+3

{425}74

u}1};.6}3

w443,}3

|.4.

|43,0}.

x}3,9

u}1}.8

{4,.8

u48}~93}3

y}8}84840

|}891.3+.

{}3}-};}3,0

{925}}3

p296}3,

u}0}7

y}340+8}3,o8.}

;-611-92+22 8,:

;-611-92+2 8,:

;76:0-4-5-+ 8,:

bklkmj

y4}*

y.:+6

r.8<

{4;3

x4;+6 z8}8.43

z89*< p6+}

NQUQX

PVURQUV

/>D>=>I

:><

:FKJ@

/@

AE

<

8@A

_DAGG

AE> :><

:>

<

CKMIDF

=HBGBOLFB>

V X T Y X U Z V R

JBJMB

IDN

EMFIDB

]bc_d \a`^

?

@?

A?PQ

ZSRWU

f ^ h[ b e a [ g `

(7)

Lake Tondano

Basic Watershed Conservation Plan

Peta Rencana Dasar Konservasi DAS

Untuk Wilayah Studi

Scale

Legend Slope

Gradient Area Recommended Conservation Measures

Zones Land_Use

Color (%) （ha） Forest Agroforestry Protection Works

P Zone Forest > 40 4,361 ◎ Reforestation

◎ Prevention of reforestation ◎ C ommunity forest - -Bw Zone Farmlan ds, forest, wetland

− 3,266 ○ Green belt ○ Tree dominate type

○ Multistory tree garden

○ Control of fishing in the lake ,

○ Erosion control measures

（ Vegetative measures,

riverbed revetment 、 check

dam ）

Bm Zone Estate 25-40 4,030 ◎ Expansion of

private forest

◎ Tree dominate type ◎ Multistory tree

garden

◎ Erosion control measures (terracing, contour dikes, diversion ditches ) ○ Road improvement ○ Erosion control farming

(contour ridge cultivation, hedge cropping )

15-25 7,734 ◎ Expansion of

private forest

garden

◎ Erosion control measures (diversion ditches, contour dikes, infiltration trenches) ○ Road improvement ○ Erosion control farming

(contour ridge cultivation, hedge cropping ) Arable

upland

25-40 44 3 ◎ Expansion of

private forest

garden

◎ Erosion control measures (terracing, contour dikes, diversion ditches) ○ Road improvement ○ Erosion control farming

private forest

○ Tree dominate type ○ Multistory tree

garden

◎ Erosion control measures (diversion ditches, contour dikes, infiltration trenches) ○ Road improvement ○ Erosion control farming

private forest

○ Non dominant crop type ○ Multistory tree garden ○ Multi-purpose tree ○ Hedgerow cropping w/ leguminous trees

◎ Erosion control measures (infiltration trenches, contour dikes, drains) ○ Road improvement ◎ Erosion control farming

F Zone Estate 8-15 4,747 ◎ Expansion of

private forest

Δ Non dominant crop type Δ Multistory tree

garden Δ Multi-purpose tree Δ Hedgerow crop ping

w/leguminous trees

○ Erosion control measures (infiltration trenches, contour dikes, drains) ○ Road improvement ◎ Erosion control farming

<8 5,647 ◎ Expansion of

private forest

Δ Non dominant crop type Δ Herbaceous crop

dominant type

Δ Erosion control measures (drains)

Δ Road improvement ◎ Erosion control farming

(contour ridge cultivation, hedge cropping ) Arable

upland

<8 3,782 ◎ Expansion of

private forest Δ Non dominant croptype

Δ Herbaceous crop dominant type

Δ Erosion control measures (drains)

Δ Road improvement ◎ Erosion control farming

( contour cropping ）

Note : Priority in Implementation

◎：High ○：Medium Δ：Low

Paddy Field S Zone

6,007 2,828

(8)

Legend of Zoning

Color

Zone

P Zone

Bm1 Zone

Bm2 Zone

Bm3 Zone

Bw Zone

F Zone

S Zone

Scale

Lake Tondano

5 km

0 Legend

City

Boundary of Catchment Area

Remboken

Tompaso

Langowan

Eris

Tondano

Kakas

P Zone Forest Boundary Boundary Survey Forest Production P Zone Illegal Cutting Reforestation (80,000 trees) Forest Function Bm1 Zone Improper Farming (1,250 ha)

AGF I (Type I-2, I-5) IM Less Soil Erosion

Bm1 Zone Improper Farming (100 ha)

AGF III (Type III-2) IM Less Soil Erosion

F Zone Improper Farming (110 ha)

UF IM with hedgerow High Production

Bw Zone Improper Land Use (10 ha)

AGF I (Type I-4, I-6) Less Soil Erosion

Bm1, Bm2 Zone Lack of Fuel Wood Supply Fuel Wood Plantation (50 ha)

Forest Protection Bm1, Bm2 Zone Lack of Timberwood Timberwood Planting Forest Protection Bm1, Bm2, Bm3 Zone Lack of Seedling Supply

Nursery (3 locations) Forest Protection

Bw Zone Improper Farming (640 ha)

AGF III (Type III-2) IM Less Soil Erosion Bw Zone

Improper Farming (450 ha) AGF I (Type I-2, I-5) IM

Less Soil Erosion Bm2 Zone

Less Soil Erosion

Bm1, Bm2 Zone Lack of Timberwood Timberwood Planting Forest Protection

Bm1, Bm2 Zone Lack of Fuel Wood Supply Fuel Wood Plantation (50 ha)

Forest Protection

Bm1, Bm2, Bm3 Zone Lack of Seedling Supply

Nursery (3 locations) Forest Protection P Zone Forest Boundary Boundary Survey Forest Protection P Zone Encroachment (30 ha) Community Forest Forest Protection P Zone Illegal Cutting Reforestation (80,000 trees) Forest Protection F Zone Improper Farming (540 ha)

UP IM with hedgerow High Production

AGF II (Type II-2) IM Less Soil Erosion

AGF II (Type II-2) Less Soil Erosion

AGF III (Type III-2) IM Less Soil Erosion

AGF II (Type II-2) IM Less Soil Erosion

Improper Farming (80 ha) AGF II (Type II-2) IM

Improper Farming (230 ha) AGF III (Type III-2) IM

Less Soil Erosion Bm2 Zone Bm1, Bm2 Zone Lack of Timberwood Timberwood Planting Forest Protection Bm1, Bm2, Bm3 Zone Lack of Seedling Supply

Nursery (3 locations) Forest Protection

Less Soil Erosion Bm2 Zone P Zone Degradation of Forest Reforestation (40,000 trees) Forest Protection P Zone Forest Boundary Boundary Survey Forest Protection

Less Soil Erosion Bm3 Zone Improper Farming (182 ha) AGF I (Type I-2, I-5) IM

Improper Farming (1,080 ha) AGF III (Type III-2) IM

Less Soil Erosion Bm2 Zone Less Soil Fertility (160 ha)

UF IM with hedgerow Increase of Soil Fertility

F Zone UF IM with hedgerow Increase of Soil Fertility

Bm3 Zone

F Zone Severe Soil Erosion

Check Dam Less Soil Erosion

Bm1 Zone Severe Soil Erosion

Check Dam Less Soil Erosion

Bm1 Zone Severe Soil Erosion

Check Dam Less Soil Erosion Bm1 Zone

Road Cut Slope Failure Slope Protection Works Less Soil Erosion

P Zone Hillside Slope Failure

Hillside Works Less Soil Erosion

F Zone River Devastation River Revetment Works

Less Soil Erosion

F Zone River Devastation

Groundsill Less Soil Erosion Bm2 Zone

Torrent Devastation Check Dam Less Soil Erosion

Bm2 Zone Road Cut Slope Failure Slope Protection Works Less Soil Erosion

Bm3 Zone Damaged Check Dam Rehabilitation Works Less Soil Erosion

Bm2 Zone Damaged Check Dam Rehabilitation Works Less Soil Erosion

F Zone Damaged Check Dam Rehabilitation Works Less Soil Erosion Less Soil Fertility (780 ha)

Problem Plan Effect

Legend of Box

Zone Problem Plan Effect Zone Zone Problem Plan Effect

Forest Conservation

Agroforestry Development

Erosion Contol Facility

Development

West Area

East Area

South Area

The River Panasen

UF = Upland Farming

IM = Improved

(9)

Hutan Lindung Tanaman (Gn. Mahawu)

Pekerjaan-pekerjaan di Kebun Bibit (Kawangkoan)

Angkutan Kayu Bakar (Gn. Soputan)

Pemandangan Danau Tondano Secara Umum dari

Tepian Pentai Sebelah Timur Danau

(10)

Lahan Sayuran Terkelola Baik di Lereng Curam

(Tomohon)

Perkebunan Cengkeh di Lereng Curam (Eris)

Dam Pengendali (Check Dam) Batu Kali

(Toulinag Oki)

Pembudidayaan Ikan Terumbu (Cage Fish) di Danau

Tondano (Eris)

Survei Wawancara Semi-Terstruktur (Survei RRA)

(Tompaso)

(11)