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All Journal Jurnal Geografi Jurnal Penelitian Kehutanan Wallacea
Ali, Syamani D
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Education Environmental Science Social Sciences Other

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Mapping of Land Surface Deformation Using Ps-Insar for Disaster Risk Management in the Future Kumalawati, Rosalina; Ali, Syamani D; Yuliarti, Astinana; Raharjo, Jany Tri; Rijanta, Rijanta; Saputra, Erlis; Susanti, Ari; Budiman, Puput Wahyu; Anggraini, Rizky Nurita
JURNAL GEOGRAFI Vol. 16 No. 2 (2024): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v16i2.42810

Abstract

DKI Jakarta is experiencing land subsidence due to overexploitation of its use and the increasing population. It is feared that this decline or deformation will occur in the location of the new national capital. The research objective is "Mapping of Land Surface Deformation using PS-InSAR for Disaster Risk Management in the Future." Quantitative and qualitative research and data collection methods use secondary and primary data. Secondary data in the form of Permanent Scatterers Interferometry Synthetic Aperture Radar (PS-InSAR) Sentinel-1A images to determine soil deformation. Primary data uses a questionnaire to assess disaster risk management. Data analysis uses spatial and statistical analysis. Spatial analysis for land deformation mapping and statistical analysis for risk management. The results showed that the pattern of land deformation before the determination of the location of the capital city of Indonesia was random. On the other hand, after decision-making, it appears to be more systematic and homogeneous in adjacent areas with a decreasing range of about 5 cm per year. Other findings show that disaster risk management carried out by several agencies, especially the problem of land deformation in East Kalimantan, is still far from expectations and very minimal. The findings can be used for future disaster risk management to minimize negative impacts and reduce disaster risk.Keywords: PS-INSAR; Land Deformation; Capital City; Disaster Risk Management
Analysis of the Carrying Capacity of Proboscis Monkey Habitat on Bakut Island, South Kalimantan, Based on Leaf Area Index Fithria, Abdi; Kanti, Rina; Rezekiah, Arfa Agustina; Ali, Syamani D; Prihatiningtyas, Eva; Azizah, Noor Aida; Setiawan, Eko Budi; Pribadi, Ahdiyaka Jayasukma; Kamil, Naufal Noor
Jurnal Penelitian Kehutanan Wallacea Vol. 14 No. 2 (2025)
Publisher : Foresty Faculty of Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/jpkwallacea.v14i2.35993

Abstract

Bakut Island is one of the conservation forest areas in South Kalimantan. This island is the habitat of proboscis monkeys, and the proboscis monkey population is increasing from year to year. Therefore, it is estimated that one day the proboscis monkey habitat on Bakut Island will be over capacity. This study aims to estimate how long the population of proboscis monkeys on Bakut Island Nature Tourism Park can survive there by examining the amount of food the island's vegetation can produce. Proboscis monkey feed itself is estimated using the Leaf Area Index (LAI). LAI was extracted using UAV imaging and NICFI multitemporal imagery. Meanwhile, the carrying capacity of the proboscis monkey habitat is assessed using the quantity of consumption of the proboscis monkey population relative to food availability. Simulations of the carrying capacity of proboscis monkey habitat into the future were carried out using projections of the future proboscis monkey population and LAI growth. The entire computational process of simulating habitat carrying capacity is carried out using the Python language. The results of the analysis show that Bakut Island is only able to support proboscis monkey habitat until 2038. In that year, the proboscis monkey population on Bakut Island is projected to number 1,290 individuals. After 2038, the predicted amount of feed needed by the proboscis monkey population will exceed the feed available on Bakut Island. The limitation of this research is that it only uses one parameter to assess the carrying capacity of proboscis monkey habitat, namely food availability. There are still other parameters that have not been accommodated, including the home range and trees for nests.
Co-Authors Abdi Fithria Anggraini, Rizky Nurita Arfa Agustina Rezekiah Ari Susanti Astinana Yuliarti Azizah, Noor Aida Budiman, Puput Wahyu Eko Budi Setiawan Erlis Saputra Eva Prihatiningtyas Kamil, Naufal Noor Kanti, Rina Pribadi, Ahdiyaka Jayasukma R. Rijanta Raharjo, Jany Tri Rosalina Kumalawati