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Azar Rachdian
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Earth & Planetary Sciences Education

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IDENTIFIKASI PERUBAHAN JASA LINGKUNGAN DENGAN MENGGUNAKAN PENGINDERAAN JAUH DAN SISTEM INFORMASI GEOGRAFIS DI BOGOR Azar Rachdian; Lilik Budi Prasetyo; Siti Badriyah Rushayati
Media Konservasi Vol 21 No 1 (2016): Media Konservasi Vol. 21 No. 1 April 2016
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1126.798 KB) | DOI: 10.29244/medkon.21.1.48-57

Abstract

Environmental services are the services provided by the ecosystem functions that have direct and indirect benefits to human well being. The purpose of this study is to analyze environmental services changes in the District and City of Bogor on 1990 and 2014. The focus of the study is analyzing the environmental service of carbon stock, carbon sinks, biodiversity, the aesthetic of landscape, water regulation and climate amelioration. The data collection method began with data preprocessing then followed by a groundcheck at field to take sample point, after that followed by image classification that produce land cover. Land cover that has been classified then given the value of environmental services by changing the format of raster into a polygon. The average value of environmental services in District of Bogor on 1990 is 4,86 and in the city of Bogor is 4,56, while on 2014 the average value of environmental services in District of Bogor is 4,54 and in the City of Bogor is 3,72. Change of environmental services in the City of Bogor greater than in District of Bogor due to the magnitude of changes in land cover types of forest to other land cover especially for settlement. Beside that, it is also caused by differences of development policy between Bogor district and city of Bogor. The focus of development in the district is agricultural production sector and the city are trading and services sectors. Government of City and Distric of Bogor should do some efforts for maintaining and even improving environmental services by allocating space for land which dominated by trees and agroforestry system.Keywords: environmental services, environmental services score, environmental services change
The Estimation of Oil Palm Carbon Stock in Sembilang Dangku Landscape, South Sumatra Azar Rachdian; Hariyadi .; Yudi Setiawan
Media Konservasi Vol 23 No 2 (2018): Media Konservasi Vol.23 No. 2 Agustus 2018
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (453.56 KB) | DOI: 10.29244/medkon.23.2.153-161

Abstract

Oil palm has the ability to sequester carbon dioxide stored as carbon stock. This study aimed to estimate carbon stock  in some age classes, to determine the relationship between Normalized Difference Vegetation Index (NDVI) and carbon stock, and to estimate the distribution of oil palm carbon stock in Landscape Sembilang Dangku. Estimation of carbon stock  were carried out at the non productive age plant phase namely <2 years, 2-3 years, and the productive plant age  phase namely 4-10 years and> 10 years. The carbon stock estimation used allometric equations. Landsat 8 Operational Land Imager (OLI) /Thermal Infrared Sensor (TIRS)  was analyzed to determine NDVI.  Making a map of the classification of carbon stock distribution using Software QGIS Las Palmas 2.18.0. The results showed that the carbon stock in the age class <2 years was 9.50 ton C/ ha, the age class of 2-3 was 9.62 ton C/ha, the age of 4-10 was 28.23 ton C/ha and in the age class> 10 was 79.83 ton C/ha. The relation between NDVI with carbon stock had a strong correlation (r = 0.9972) with regression equation Y = 638.13x - 242.65.  Carbon stock distribution  was  based on percentage of area as follows: <15 ton C/ha covering an area of 26.52%, 15-25 ton C/ha covering an area of 5.29%, 26-70 ton C ha covering an area of 35.41%, and > 70 ton C/ha 32.78%. Keywords: age class, carbon stock, landscape, NDVI
Co-Authors Hariyadi . Lilik Budi Prasetyo Siti Badriyah Rushayati Yudi Setiawan