FRIM-NIES-UPM Joint research project on tropical forest ecology and biodiversity Project progress presentation (seminar) & the 20th Steering Committee Meeting, Tsukuba 24 -25 September 2010

12/18/2011

Introduction

Underlying Cause of Deforestation
in Mount of Halimun Salak National Park,
West Java Indonesia
Lilik Budi Prasetyo, Haryanto Yatab
Harjanto, Yudi Setiawan, Perman, Tri Permadi

Supported by:
Department of Forestry, Indonesia

Japan International Cooperation Agency

FRIM-NIES-UPM Joint research project on tropical forest ecology and biodiversity
Project progress presentation (seminar) & the 20th Steering Committee Meeting
Tsukuba 24 -25 September 2010

Java :
Total population : 127 millions, 54% of Indonesia population (234 millions)

Population density : 915 inhabitants / Sq.km,
Deforestation in Java Island during 2000 – 2005 : 800 thousands ha

Deforestation model (Prasetyo,2010)
Logistic Regression Model using village
level social economy data & Physical
condition data.
Deforestation occurred in mountainous
areas (mostly protected areas).
Unfortunately, the available spatial
variables of model cannot fully explain
the deforestation process.

Area :
1992 : 40 000 ha
2003 : 113 357 ha

Study Site

Objectives

1. Look for appropriate data processing for
longterm land use-land cover change in
mountainous/hilly areas (1989-2008) (Prasetyo,
Yudi, Permana)
2. Investigate underlying cause of deforestation
within period of 1989 – 2004 (Yatab, Harjanto &
Prasetyo)

1990

1991

1992

1993

1994

1995

1997

1989

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Research Flow
LANDSAT Imagery
1989 - 2004

1998

1999

1). Geometric correction
2). Normalize/Radiometric
(Relative Radiometric Normalization)
(Pseudo Invariant set)

3). Topographic correction
(Minnaert constant)
4). Subset to boundary

2001
LANDSAT 1990 – 2004
Normalized (Corrected)

2003

Select Training Area

2004

Supervised Classification
(Maximum Likelihood Method)

Pre-Processing

Processing

Accuracy
Assessment
Ground Truth
Land Use/
Land Cover Maps

RESULT : Topographic correction (Minnaert)

After

1990

Before

1989

1991

2

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1992

1993

1994

1995

1996

1997

3

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1998

2001

2003

2007

DEFORESTATION 1989 - 2003

2008

4

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DEFORESTATION PROCESS

DEFORESTATION BASED ON VILLAGE
DESA MALASARI

DESA CIUSUL

DESA CITOREK

DESA CISARUA

DESA

DESA LEBAKSITU

DESA SIRNARESMI

DESA SIRNARASA

DESA CIPEUTEUY

DESA CISUNGSANG

DESA KIARASARI

DESA SIRNAGALIH

0.00

1000.00

2000.00

3000.00

4000.00

5000.00

6000.00

7000.00

LUAS (Ha)
1989

1991

1992

1993

1994

1995

1997

1998

2001

1003

2004

Villages Sample Selection

DESA CIHAMERANG

Sample selection based on :

DESA PURWABAKTI

DESA SITUMULYA
2004
DESA CIKIRAY

a. Traditional & Non Traditional
b. Enclave & non Enclave

1003
2001
1998

Luas (Ha)

1990

DESA CIPARAY

1997

Interview/Questioner /secondary
data:

1995
1994
DESA CICADAS

1993
1992
1991
1990

DESA MEKARJAYA

1989
DESA KUJANGSARI

a. Demography
b. Economic Activity
c. Relation with forest
resources
d. Welfare (income, agric.land
ownership etc)

DESA MAJASARI

DESA
BANTARKARET
0.00

500.00

1000.00

1500.00

2000.00

2500.00

Statistical Analysis : Regression
Dependent variables : Deforestation,
Independent variables : Secondary data & interview

DESA

Conclusion
• Topographic correction is applicable for low to medium
slope, but over corrected for steep slope.
• Significance Factor contributed to deforestation :
population density, population growth, land ownership
size, settlement and agricultural expansion.
• In case of non traditional villages & non-enclave,
deforestation was influenced by :
– Population growth rate, land owbership size.
Population density, settlement expansion
• In case of traditional dan non-enclave village :
Deforestation was influenced by expansion of settlement

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