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Ruslan, Muhammad and Fithria, Abdi and Budi, Setia and Syam’ani, Syam’ani A STUDY OF EROSION POTENTIAL IN ORDER TO REHABILITATE LAND AND FOREST IN AMANDIT CATCHMENT, SOUTH KALIMANTAN. International Journal of Forest, Soil and Erosion (IJFSE), 2016 6 (2. |
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In planning the land and forest rehabilitation (LFR) activities in a watershed, the problems of erosion potential (EP) should be taken into account. The objective of this study was to analyze the characteristics of erosion potential and the directives of land and forest rehabilitation. This study was conducted in the Amandit catchment, Hulu Sungai Selatan Regency, South Kalimantan Province. Data were collected using observation and interviews. They were analyzed with empirical equation models, spatial modeling in determining the erosion potential, content analysis and tabulation matrix. The results showed that in the upstream portion of the Amandit catchment, the area of EP (Moderate, Severe and Very Severe) was 163,14.95 Ha larger than the area of EP (Very Light and Light) 5,352.42 Ha. So were in the midstream portion of the Amandit catchment, the area of EP (Moderate, Severe and Very Severe) was 20,334.55 Ha larger than that of EP (Very Light and Light) 7,920.89 Ha. By contrast, in the downstream portion of the Amandit catchment, the area of EP (Moderate, Severe and Very Severe) was 1,661.41 Ha smaller than that of EP (Very Light and Light) 63,858.11 Ha. The total areas in the directives of land and forest rehabilitation in the Amandit catchment at the Upstream, Midstream, and Downstream portions were 16,314.55 Ha, 20,334.53 Ha and 1,661.41 Ha, respectively. The directives of land and forest rehabilitation in the three portions of the Amandit catchment were: 1) Natural Forest Succession, 2) Reforestation Pattern, 3) Agroforestry Pattern with Food Crops, 4) Afforestation or Industrial Timber Plantation (ITP)/ Community Forest, 5) Maintaining mixed-species plantation and rejuvenation added with the Multi Purpose Tree Species (MPTS), 6) Maintaining Plantation Forest with ITP pattern with fast growing tree species, 7) Maintaining the Plantation Forest with ITP pattern and community forest with fast growing tree species, 8) Maintaining the settlement area with the development of garden plants and 9) Maintaining the rice fields with the development of bench terraces. Keywords: Erosion Potential, Land and Forest Rehabilitation |
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