MAPPING OF CITES-LISTED ENDANGERED TROPICAL PEAT SWAMP MAPPING OF CITES-LISTED ENDANGERED TROPICAL PEAT SWAMP FOREST TREE SPECIES USING AIRBORNE HYPERSPECTRAL SENSOR FOREST TREE SPECIES USING AIRBORNE HYPERSPECTRAL SENSOR Khali Aziz Hamzah, Mohd Azahari Faidi and Hamdan Omar Khali Aziz Hamzah, Mohd Azahari Faidi and Hamdan Omar Forest Research Institute Malaysia (FRIM) Forest Research Institute Malaysia (FRIM) ASIA GEOSPATIAL FORUM 17 – 19 SEPTEMBER 2012, HANOI, VIETNAM ASIA GEOSPATIAL FORUM 17 – 19 SEPTEMBER 2012, HANOI, VIETNAM
26
Embed
MAPPING OF CITES-LISTED ENDANGERED TROPICAL PEAT SWAMP FOREST TREE SPECIES USING AIRBORNE HYPERSPECTRAL SENSOR Khali Aziz Hamzah, Mohd Azahari Faidi and.
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
MAPPING OF CITES-LISTED ENDANGERED TROPICAL PEAT SWAMP MAPPING OF CITES-LISTED ENDANGERED TROPICAL PEAT SWAMP FOREST TREE SPECIES USING AIRBORNE HYPERSPECTRAL FOREST TREE SPECIES USING AIRBORNE HYPERSPECTRAL
SENSORSENSOR
Khali Aziz Hamzah, Mohd Azahari Faidi and Hamdan OmarKhali Aziz Hamzah, Mohd Azahari Faidi and Hamdan OmarForest Research Institute Malaysia (FRIM)Forest Research Institute Malaysia (FRIM)
ASIA GEOSPATIAL FORUM 17 – 19 SEPTEMBER 2012, HANOI, VIETNAMASIA GEOSPATIAL FORUM 17 – 19 SEPTEMBER 2012, HANOI, VIETNAM
2
1.1. IntroductionIntroduction
2.2. The ProjectThe Project
3.3. Result and Discussion Result and Discussion
4.4. ConclusionConclusion
PRESENTATION OUTLINEPRESENTATION OUTLINE
MALAYSIA – FOREST AREAMALAYSIA – FOREST AREA
3
• Malaysia total land area - about 328,300 km2
• About 59.5% (19.52 million ha) is still under forest cover
• Ramin (Ramin (Gonystylus bancanusGonystylus bancanus) is an endangered peat ) is an endangered peat swamp forest speciesswamp forest species
• It has been listed in Appendix ll of the Convention on It has been listed in Appendix ll of the Convention on International Trade in Endangered Species of Wild International Trade in Endangered Species of Wild Fauna and Flora (CITES) Fauna and Flora (CITES)
• There is a need to identify the ramin population in the There is a need to identify the ramin population in the natural habitat for management purposesnatural habitat for management purposes
ISSUESISSUES
• Scientific name: Gonystylus bancanus• Family: Thymelaeaceae• Local name: Ramin• Brief description: large tree and can grow up to
40 m in height• Uses: timber for high quality furniture• Ecology: gregarious in peat swamp forests
ABOUT THE SPECIES
fruits
seedling
flower
timberstree
Ramin – Gonystylus bancanus
RESEARCH RESEARCH JUSTIFICATIONJUSTIFICATION
8
• To identify and locate ramin trees in a highly To identify and locate ramin trees in a highly mixed peat swamp forest is a challenging mixed peat swamp forest is a challenging task. task.
• The ideal way is to inventories the whole The ideal way is to inventories the whole population, but this will be very expensive to population, but this will be very expensive to implement in the field. implement in the field.
• Opportunities on mapping using Opportunities on mapping using hyperspectral remote sensing technologyhyperspectral remote sensing technology
• Ramin is considered canopy layer treeRamin is considered canopy layer tree• Advantage to use airborne hyperspectral data Advantage to use airborne hyperspectral data
• Spectral signature of selected features in hyperspectral Spectral signature of selected features in hyperspectral imagesimages
RESULT & DISCUSSION
• Correlation (ramin reflectance) between hyperspectral Correlation (ramin reflectance) between hyperspectral data and spectroradiometer measurementdata and spectroradiometer measurement
RESULT & DISCUSSION
23
o Using Spectral Angle Mapper (SAM) classification technique the hyperspectral data can be used to map ramin distributions
o It was found that the It was found that the distribution of distribution of ramin ramin within within the study area is about 21 the study area is about 21 tree per ha, tree per ha,
Logged Over Forest:Logged Over Forest: Ramin – 179/30ha (5.97/ha)Ramin – 179/30ha (5.97/ha) Bintangor – 50/30ha (1.67/ha)Bintangor – 50/30ha (1.67/ha)
RaminRamin - Mean height, 34.70m- Mean height, 34.70m - DBH, 21.6 – 83.5cm- DBH, 21.6 – 83.5cm
25
CONCLUSION
• Spectral library of the Ramin trees has been Spectral library of the Ramin trees has been developed and can be used as reference spectral developed and can be used as reference spectral library for the future research project.library for the future research project.
• Ramin trees can be identified using hyperspectral Ramin trees can be identified using hyperspectral data with acceptable mapping accuracy (86%). data with acceptable mapping accuracy (86%).
• Inventory of Ramin can be carried out faster.Inventory of Ramin can be carried out faster.
• The availability of accurate information on ramin The availability of accurate information on ramin population from this study can be used to assist in population from this study can be used to assist in designing rehabilitation and conservation programs designing rehabilitation and conservation programs in order to conserve and sustainably manage this in order to conserve and sustainably manage this species in line with the CITES requirements.species in line with the CITES requirements.
26
This work was made possible by a grant from ITTO under its collaborative program with CITES and Malaysia This work was made possible by a grant from ITTO under its collaborative program with CITES and Malaysia to build capacity for implementing timber listings. Donors to this collaborative program include the EU (primary to build capacity for implementing timber listings. Donors to this collaborative program include the EU (primary
donor), the USA, Japan, Norway, New Zealand and Switzerland.donor), the USA, Japan, Norway, New Zealand and Switzerland.