The Evaluation of Watershed Condition of Sumani Based in Solok Regency Based on Land Characteristic

Yanti, Delvi and Fahmy, Khandra and Berd, Isril and Arlius, Feri (2017) The Evaluation of Watershed Condition of Sumani Based in Solok Regency Based on Land Characteristic. In: Inteulture 2017rnational Symposium on Soil Management for Sustainable Agric, 28 -30 Agustus 2017, United Graduate School of Agricultural Science, Gifu University.

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Abstract

The functions of watershed have decreased from year to year as a results of environmental degradation. Uncontrolled land use without regard to soil and water conservation leads to increase erosion and sedimentation, decreases of vegetation cover, and accelerates of land degradation. This study was conducted at watershed of Sumani, Solok Regency, West Sumatra. Analysis of watershed conditions used scoring and weighting methods. The parameters used in this study referred to Regulation of the Forestry Ministry of Indonesia number .P.61 / Menhut-II / 2014 including critical land, vegetation cover, and erosion index. The results of study show that watershed condition based on 2016 data was very bad category, with the class for each parameter was very high (critical land), very bad (vegetation cover), and very high (erosion index). Watershed conditions are closely related to watershed management systems. Increased demands on natural resources (water, land and forests), cause changes to the watershed conditions.

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