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All Journal FORESTA Jurnal Serambi Engineering Journal of Sylva Indonesiana International Journal of Economics and Management Jurnal Ilmiah Global Education
Achmad Siddik Thoha
Universitas Sumatera Utara
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Engineering Environmental Science Health Professions Law, Crime, Criminology & Criminal Justice Social Sciences

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Journal : Journal of Sylva Indonesiana

 1 
Mapping of Degraded Soil Properties in Gunung Leuser National Park Paranita Asnur; Achmad Siddik Thoha; Deni Elfiati
Journal of Sylva Indonesiana Vol. 2 No. 02 (2019): Journal of Sylva Indonesiana
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1206.068 KB) | DOI: 10.32734/jsi.v2i2.994

Abstract

Deforestation that occurs causes a decrease in soil fertility. Knowing soil fertility in the landscape will provide information on land management. The nature of the soil differs from one point to another, therefore it is necessary to map the properties of the soil. The purpose of this study is to map the distribution of the properties of forest land in areas that have been degraded. The land is a former privately-owned oil palm plantation in the Gunung Leuser National Park (TNGL) forest. The study uses a continuous grid interpolation method, thus forming polygons of soil properties. The soil types are Inseptisol an Ultisol. The results of the study show that most of them belong to the type of soil that is finely textured so that erosion can easily occur if surface runoff occurs in areas that have been exposed. The soil water content range that has the widest area is the range 26.98 - 29.50% with an area of 14.38 ha (42.91% of the research area). The range of land capacity has the widest area, namely the range 42.24 - 49.32% with an area of 13.32 ha (39.76% of the research area). Low organic matter content and acidic soil pH. Based on the results of these studies, the land in the research area is less fertile. However, restoration efforts are very possible because many tree species are adaptive with low soil fertility.
Spatial Analysis of Tourism Objects and Facilities in Simarjarunjung Natural Tourism Area, North Sumatra Province, Indonesia Rolasdo Ambarita; Agus Purwoko; Achmad Siddik Thoha
Journal of Sylva Indonesiana Vol. 6 No. 02 (2023): Journal of Sylva Indonesiana
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsi.v6i02.9270

Abstract

North Sumatra is one of the provinces in Indonesia that has a wealth of natural resources in the form of natural beauty.  One place whose potential natural beauty stands out is the Simarjarunjung area, which is on the north side of Lake Toba. The purpose of this study was to analyze the spatial distribution of tourist objects, natural tourism amenities, and infrastructure in the Simarjarunjung nature tourism area. This research method uses spatial analysis. There are 11 tourist attractions located in the Simarjarunjung natural tourism area that have the potential to be utilized by the manager for natural tourism activities. My Maps technology from Google is used to facilitate access to information so that it is expected to have a positive impact. One of them is the promotion of tourist attractions so that they can be easily accessed by anyone through online networks. The availability of data on the distribution of tourist attractions, attractions and facilities / infrastructure resulting from this research is expected to be a means to be able to increase visitor access to find out information about tourism contained in Simarjarunjung tourist attractions. Each tourist attraction in the Simarjarunjung area has various attractions and tourist facilities, each of which is the attraction and uniqueness of each tourist attraction
Co-Authors Agus Purwoko Bejo Slamet Deni Elfiati Dwi Lindarto Hadinugroho Farakh Yolanda Koilola Geniusmaniat Laia Junalisman Harefa Osland Herijon Lingga Paranita Asnur Purwoko, Agus Riki Jaya Dinata Rolasdo Ambarita Sirojulizam Sirojulizam Zulkifli Nasution Zulkifli Zulkifli