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Joice Supit
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Agriculture, Biological Sciences & Forestry

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TINGKAT BAHAYA EROSI DI SUB DAS TONDANO BAGIAN TIMUR DENGAN APLIKASI SISTEM INFORMASI GEOGRAFI Irene R.S. Terok; Sandra Pakasi; Joice Supit; Tilda Titah
COCOS Vol. 6 No. 1 (2015)
Publisher : Universitas Sam Ratulangi

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ABSTRACTThis study head to analyze the level of erosion (TBE) which occur in the eastern part of watershed Tondano with Geographical Information Systems Applications. The method used in the calculation is the USLE erosion and analysis degree erosion using a table of erosion potential based Geographical Information Systems. Observed variables are rainfall, soil erodibility, length and slope, crop management, soil conservation management. The results showed the level of erosion that occurs in watershed Tondano eastern part is divided into five classes: very heavy (SB), weight (B) moderate (S) light (R), and very light (SR). Very heavy class (SB) with and area of 719.20 hectares or 3.21%. weight (B) with and area of 17.07 hectares or 0.40% for, the class of moderate (S) with an area of 3250.13 or 77.35%. and for the lightweight class (R) with and area of 79.91 hectares or 0.40%. whereas for the classification of very light (SR) with and area of 135.01 hectares or 3.21%.keywords: Rainfall, soil Erodibility, length and Slopes, Crop Management, Land Use.
EVALUASI KESESUAIAN LAHAN UNTUK TANAMAN PINANG (Areca catechu) DI DAS REMU, SORONG , PAPUA BARAT Fernando D. Korwa; Jailani Husain; Tilda Titah; Joice Supit
COCOS Vol. 7 No. 4 (2016)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v7i4.12602

Abstract

ABSTRACTThe purpose of this study was to determine the land suitability for areca nut (Areca catechu) in Remu watershed, Sorong, West Papua Province. This research uses descriptive method comprising of survey and map overlay. This research was conducted in the field and the GIS laboratory, Faculty of Agriculture, University of Sam Ratulangi. The research was conducted during ± 4 months, namely from January to April 2015. It was revealed that within 5771.74 ha of suitable area, 2581.76 ha area was classified as the most suitable, 898.7 ha as fairly suitable, and 1730.57 ha as marginally suitable. In addition, 509.78 ha area was evaluated as presently not-suitable and 50.93 ha as permanently not suitable. Further study is required as to provide more specific site information on land suitability for areca nut in the study area.Keywords : GIS, land suitability, areca nut
Co-Authors Fernando D. Korwa Fernando D. Korwa, Fernando D. Irene R.S. Terok Jailani Husain Sandra Pakasi Tilda Titah