Using Geographic Information Systems and the Analytical Hierarchy Process for Delineating Erosion-Induced Land Degradation in the Middle Citarum Sub-Watershed, Indonesia

Land degradation (LD) is an important issue worldwide because it affects food production and people’s welfare. Many factors cause land degradation, but in humid tropical areas, erosion is the main factor. More than 100 countries including Indonesia are affected by LD. Watershed management should be...

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Autores principales:	Wiwin Ambarwulan, Irmadi Nahib, Widiatmaka Widiatmaka, Jaka Suryanta, Sri Lestari Munajati, Yatin Suwarno, Turmudi Turmudi, Mulyanto Darmawan, Dewayany Sutrisno
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	erosion LULC MCDA prioritization USLE Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/938e37b1c3504738a299ec3a01323010
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spelling	oai:doaj.org-article:938e37b1c3504738a299ec3a013230102021-11-10T06:53:28ZUsing Geographic Information Systems and the Analytical Hierarchy Process for Delineating Erosion-Induced Land Degradation in the Middle Citarum Sub-Watershed, Indonesia2296-665X10.3389/fenvs.2021.710570https://doaj.org/article/938e37b1c3504738a299ec3a013230102021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fenvs.2021.710570/fullhttps://doaj.org/toc/2296-665XLand degradation (LD) is an important issue worldwide because it affects food production and people’s welfare. Many factors cause land degradation, but in humid tropical areas, erosion is the main factor. More than 100 countries including Indonesia are affected by LD. Watershed management should be prioritized owing to budget constraints, while on the other side, the area affected by LD is very large compared to the size of the existing land area. The middle Citarum sub-watershed (MCSW) is one of the most degraded drylands in Indonesia, where the environment can be considered a typical humid tropical watershed. The objective of this study was to map degraded lands and prioritize restoration using a combined approach of the universal soil loss equation (USLE), the analytical hierarchy process (AHP) and geographic information systems (GIS) in a multiple-criteria decision analysis (MCDA) environment. The severity of LD was estimated quantitatively by analyzing the parameters of land use and land cover, slope, soil erosion, productivity, and management. The results indicated that the MCSW is dominated by the potentially degraded land classes (38%), followed by the degraded land classes (21%). The prioritization of LD restoration is suggested in the area of very high and high degraded land. The method developed in this research work could be adopted as a tool to guide decision-makers toward sustainable land resource management in humid tropical watersheds affected by LD.Wiwin AmbarwulanIrmadi NahibWidiatmaka WidiatmakaJaka SuryantaSri Lestari MunajatiYatin SuwarnoTurmudi TurmudiMulyanto DarmawanDewayany SutrisnoFrontiers Media S.A.articleerosionLULCMCDAprioritizationUSLEEnvironmental sciencesGE1-350ENFrontiers in Environmental Science, Vol 9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	erosion LULC MCDA prioritization USLE Environmental sciences GE1-350
spellingShingle	erosion LULC MCDA prioritization USLE Environmental sciences GE1-350 Wiwin Ambarwulan Irmadi Nahib Widiatmaka Widiatmaka Jaka Suryanta Sri Lestari Munajati Yatin Suwarno Turmudi Turmudi Mulyanto Darmawan Dewayany Sutrisno Using Geographic Information Systems and the Analytical Hierarchy Process for Delineating Erosion-Induced Land Degradation in the Middle Citarum Sub-Watershed, Indonesia
description	Land degradation (LD) is an important issue worldwide because it affects food production and people’s welfare. Many factors cause land degradation, but in humid tropical areas, erosion is the main factor. More than 100 countries including Indonesia are affected by LD. Watershed management should be prioritized owing to budget constraints, while on the other side, the area affected by LD is very large compared to the size of the existing land area. The middle Citarum sub-watershed (MCSW) is one of the most degraded drylands in Indonesia, where the environment can be considered a typical humid tropical watershed. The objective of this study was to map degraded lands and prioritize restoration using a combined approach of the universal soil loss equation (USLE), the analytical hierarchy process (AHP) and geographic information systems (GIS) in a multiple-criteria decision analysis (MCDA) environment. The severity of LD was estimated quantitatively by analyzing the parameters of land use and land cover, slope, soil erosion, productivity, and management. The results indicated that the MCSW is dominated by the potentially degraded land classes (38%), followed by the degraded land classes (21%). The prioritization of LD restoration is suggested in the area of very high and high degraded land. The method developed in this research work could be adopted as a tool to guide decision-makers toward sustainable land resource management in humid tropical watersheds affected by LD.
format	article
author	Wiwin Ambarwulan Irmadi Nahib Widiatmaka Widiatmaka Jaka Suryanta Sri Lestari Munajati Yatin Suwarno Turmudi Turmudi Mulyanto Darmawan Dewayany Sutrisno
author_facet	Wiwin Ambarwulan Irmadi Nahib Widiatmaka Widiatmaka Jaka Suryanta Sri Lestari Munajati Yatin Suwarno Turmudi Turmudi Mulyanto Darmawan Dewayany Sutrisno
author_sort	Wiwin Ambarwulan
title	Using Geographic Information Systems and the Analytical Hierarchy Process for Delineating Erosion-Induced Land Degradation in the Middle Citarum Sub-Watershed, Indonesia
title_short	Using Geographic Information Systems and the Analytical Hierarchy Process for Delineating Erosion-Induced Land Degradation in the Middle Citarum Sub-Watershed, Indonesia
title_full	Using Geographic Information Systems and the Analytical Hierarchy Process for Delineating Erosion-Induced Land Degradation in the Middle Citarum Sub-Watershed, Indonesia
title_fullStr	Using Geographic Information Systems and the Analytical Hierarchy Process for Delineating Erosion-Induced Land Degradation in the Middle Citarum Sub-Watershed, Indonesia
title_full_unstemmed	Using Geographic Information Systems and the Analytical Hierarchy Process for Delineating Erosion-Induced Land Degradation in the Middle Citarum Sub-Watershed, Indonesia
title_sort	using geographic information systems and the analytical hierarchy process for delineating erosion-induced land degradation in the middle citarum sub-watershed, indonesia
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/938e37b1c3504738a299ec3a01323010
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Using Geographic Information Systems and the Analytical Hierarchy Process for Delineating Erosion-Induced Land Degradation in the Middle Citarum Sub-Watershed, Indonesia

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