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Paper ID: 151

Distribution and Mapping of Pulasan (Nephelium ramboutan-Ake Bill. Liinh) in Riau Ecosystem Zone Area

Mardaleni1,2, H B Jumin2, A Yunus3 and Nandariyah3

1Sebelas Maret University, Departement of Agriculture Science, Graduated School, Jalan Ir. Sutami 36 A, Kentingan Surakarta, 57126, Indonesia. Tel.0813-78044899.

2Universitas Islam Riau, Faculty of Agriculture, Departement of Agrotechnology, Jl. Kaharuddin Nasution KM 11 No 113 Marpoyan Pekanbaru 28284. Riau Indonesia

3Sebelas Maret University, Faculty of Agriculture, Departement of Agrotechnology, Jalan Ir. Sutami 36 A, Kentingan Surakarta, 57126, Indonesia. Tel./fax. +62-271-637457


Pulasan (Nephelium ramboutan-ake Bill. Linh.) is a genetic source of tropical fruits originating from Indonesia and Malaysia. The benefits of outward appearance as a processed material for the food industry and as a raw material for traditional and modern medicines. Currently, the existence of outward appearances has experienced scarcity and is even threatened with extinction, so it is necessary to conserve and develop these genetic resources. Before carrying out conservation, it is necessary to conduct an initial study of the presence and distribution of the germplasm. This study aims to determine the map of outward distribution in Riau on mineral soil ecosystems and peat soil ecosystems. This study uses a survey method. The technique for getting the germplasm distribution point is by tracking it using the Garmin 76csx Global Positioning System (GPS). The data obtained were processed using the ArcGIS 10 software system. The basic map used was a map of the administrative boundaries of four districts (Kampar, Kuantan Singingi, Siak, and Bengkalis) and a map of soil types. The results showed that the outward distribution in the mineral soil ecosystem area was more than that in the peat soil ecosystem area. In the mineral soil ecosystem zone, the outward appearance is spread as many as 387 trees. Meanwhile, in the peat soil ecosystem, the number of outward trees is less, namely 108 trees. A total of 495 trees have been successfully explored in total. The distribution of this tree is found in the four districts in Riau which are spread over eight sub-districts and 12 villages. Soil type maps are used to display the outward distribution in each distribution area.

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