MAPPING FOREST MAPPING FOREST DESERTIFICATION IN BULOLO DESERTIFICATION IN BULOLO

DISTRICT OF MOROBE DISTRICT OF MOROBE PROVINCE, PAPUA NEW PROVINCE, PAPUA NEW

GUINEA.GUINEA.

By: FREDDIE ALEIBy: FREDDIE ALEIUPNGUPNG

INTRODUCTIONINTRODUCTION

�� Studies conducted on Deforestation and forest Studies conducted on Deforestation and forest degradation using GIS and Remote Sensing. degradation using GIS and Remote Sensing.

�� Continues logging in Continues logging in BuloloBulolo District, District, MorobeMorobeProvince, PNGProvince, PNG

�� The PNG logging code of practice.The PNG logging code of practice.

STUDY SITE

AIMS AND OBJECTIVES AIMS AND OBJECTIVES

The aim of the study was to:The aim of the study was to:� GIS tool to classify and analyze the satellite

image or remotely sensed data like the LandsatTM imagery (2002 and 2004) and past aerial photographs (1975).

�� Verify if the logging code of practice imposed Verify if the logging code of practice imposed by the PNG Government is being fulfilled to by the PNG Government is being fulfilled to minimize deforestation and forest degradation minimize deforestation and forest degradation in PNG in PNG

AIMS AND OBJECTIVES CONT:AIMS AND OBJECTIVES CONT:

�� Five objectives addressed are: Five objectives addressed are: 1) How much damage can a forest sustain and still be productive?1) How much damage can a forest sustain and still be productive?2) Is the forest damage permanent or not?2) Is the forest damage permanent or not?3) Is the forest going to be the replicate of the original fores3) Is the forest going to be the replicate of the original forest or is t or is

it going to become a secondary forest?it going to become a secondary forest?4) Do we really know if future crop trees and excluded trees are4) Do we really know if future crop trees and excluded trees are

being protected?being protected?5) Are the impacts on soil, water and other environmental values5) Are the impacts on soil, water and other environmental values

being minimized due to the reduction of deforestation and being minimized due to the reduction of deforestation and forest degradation?forest degradation?

METHODOLOGYMETHODOLOGY

DATADATA

The main data which was used in the research are:The main data which was used in the research are:

�� 3 band 28.5m resolution 3 band 28.5m resolution LandsatLandsat TM image (2002 AND 2004) TM image (2002 AND 2004) of of MorobeMorobe Province which had been supplied by the UPNG Province which had been supplied by the UPNG Remote Sensing Center, in electronic format. The Geodetic Remote Sensing Center, in electronic format. The Geodetic datum for this datum for this LandsatLandsat TM image is AGD84 with a projection TM image is AGD84 with a projection of TMAMG55.of TMAMG55.

�� Past aerial photographs of Past aerial photographs of MorobeMorobe Province (1975) which was Province (1975) which was supplied by the PNG National Forest Authority was also being supplied by the PNG National Forest Authority was also being scanned and used in the analysis in this study.scanned and used in the analysis in this study.

METHODOLOGY CONT:METHODOLOGY CONT:

The methods taken in this research study are in The methods taken in this research study are in two parts:two parts:

�� Manual DigitizingManual Digitizing

�� Log Harvest Data AnalysisLog Harvest Data Analysis

METHODOLOGY CONT: METHODOLOGY CONT:

The following are some of the methods which The following are some of the methods which were carried out:were carried out:

�� 1) Supervised classification was done to 1) Supervised classification was done to enhanced the satellite imagesenhanced the satellite images

�� 2) Transfer the data to MapInfo and ER 2) Transfer the data to MapInfo and ER MapperMapper software programsoftware program

�� 3) Compare past aerial photographs3) Compare past aerial photographs

RESULTS AND ANALYSISRESULTS AND ANALYSIS

RESULT & ANALYSIS CONT:RESULT & ANALYSIS CONT:

RESULT & ANALYSIS CONT:RESULT & ANALYSIS CONT:

RESULT & ANALYSIS CONT:RESULT & ANALYSIS CONT:

RESULT & ANALYSIS CONT:RESULT & ANALYSIS CONT:

RESULTS CONT:

CONCLUSION CONCLUSION

�� GIS and Remote Sensing is a powerful analytical tool GIS and Remote Sensing is a powerful analytical tool used in analyzing diverse complex data and for used in analyzing diverse complex data and for management purposes which had made it much easier management purposes which had made it much easier and possible to access very isolated locations in the and possible to access very isolated locations in the country with minimum cost. country with minimum cost.

�� From the image analysis, it has been found that most From the image analysis, it has been found that most of the areas which consisted of mostly primary forest of the areas which consisted of mostly primary forest have been depleted over the past 30 years have been depleted over the past 30 years

�� Human activities apart from logging activities are the Human activities apart from logging activities are the major cause of Forest Degradation & Deforestationmajor cause of Forest Degradation & Deforestation

ACKNOWLEDGMENTACKNOWLEDGMENT

�� 1111thth PSI Organizing CommitteePSI Organizing Committee

�� University of Papua New GuineaUniversity of Papua New Guinea

�� Dr. Nick Dr. Nick GarnierGarnier

�� UPNG TeamUPNG Team

THANK YOU ALL !!THANK YOU ALL !!