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All Journal Journal of Tropical Soils Jurnal Agroteknos LIMNOTEK - Perairan Darat Tropis di Indonesia EKOLOGIA : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Naik Sinukaban
Institut Pertanian Bogor
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science Mathematics

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Journal : Jurnal Agroteknos

 1 
PENGARUH PERUBAHAN PENGGUNAAN LAHAN TERHADAP KONDISI HIDROLOGI DAS KONAWEHA HULU PROVINSI SULAWESI TENGGARA Baco, La; Sinukaban, Naik; Purwanto, Yanuar J; Sanim, Bunasor; Tarigan, Suria Darma
Jurnal Agroteknos Vol 1, No 3 (2011)
Publisher : Jurnal Agroteknos

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ABSTRACT Phenomena of depleting of water resources and increasing water demand have been occurring in Konaweha watershed. Combine with other conditions, Konaweha watershed have been categorized as priority watershed in Southeast Sulawesi Province. Land use change is  presumed to  influence hydrology conditions such as  the  increasing maximum discharge in rainy season, decreasing minimum discharge in dry season and also runoff coefficient increased in rainy season. The objective of this research was to evaluate the effects of land use changes on hydrology conditions such as maximum discharge, minimum discharge and runoff cpeficient. This research was conducted at Konaweha watershed for 10 months from June 2009 to March 2010.   The result of this research showed that forest, swamp,  plantation  and  bush  area  tended  to  decline  exponentially year  by  year  due  to population growth. During 1991 to 2010 forest decresed from 66,6 % in 1991 to 48,3 % in 2010. At the same time, plantation, mix garden and bush increased 26,0 % to 39,7 %, 3,0 % to 5,0 %, and 1,7 % to 3,1 % from the total of the watershed area.   The decline of forest area have significantly decreased minimum discharge of Konaweha River in dry season from 40 m3/second in 1991 to 24 m3/second in 2010. At the same time, maximum discharge increased from 246 m3/second to 284 m3/second, and runoff coefficient increased from 31,4% to 48,3 %. Key words: watershed, land use change, discharge, runoff coeficient 
KAJIAN TINGKAT ALIRAN PERMUKAAN DAN EROSI, PADA BERBAGAI TIPE PENGGUNAAN LAHAN DI SUB DAS JENNEBERANG HULU MASNANG, ANDI; SINUKABAN, NAIK; -, SUDAR
Jurnal Agroteknos Vol 4, No 1 (2014)
Publisher : Jurnal Agroteknos

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The objective of this research was to evaluate and assess the level of run-off  and erosion on various types of land use in the Upper Jenneberang Sub Watershed. This research was conducted in the Upper Jenneberang Sub Watershed, Saluttoa Village, Sub Tinggimoncong, Gowa regency, South Sulawesi Province. Land use type (LUT) which was used as land units of observations was determined based on land use maps of upper Jenneberang sub watershed. Based on the analysis results of map and observation in the field, it was defined four types of land use as land units of observation: 1) Natural forest, 2) Gliricidia tree-dominated agroforestry, 3) Coffee tree-dominated agroforestry, and 4) Maize monoculture. Each LUT was given the observation plot size 30 m x 10 m and plot placement was determined randomly. All LUT had slope 26%, soil type of Brown Latosol at the same altitude and climate. The composition of the observation plot was based on Randomized Block Design (RBD). Collected data on LUT included: soil physical properties, infiltration rate, run-off and erosion. The result showed that changes in land use of natural forests into agroforestry and maize monoculture types resulted in decreased amount of woody vegetation that resulted in increased run-off and erosion. Keywords : run-off, erosion, agroforestry
Co-Authors ANDI MASNANG, ANDI Aris Munandar Bunasor Sanim Dudung Darusman Halim Akbar, Halim Hidayat Pawitan Indung Sitti Fatimah Irwan Irwan Kholil Kholil Kukuh Murtilaksono La Baco S M. Yanuar J. Purwanto Ridwansyah, Iwan Saiful Akhyar Lubis Sitanala Arsyad Slamet Budi Yuwono Sudar - Sunarti Sunarti Suria Darma Tarigan Yayat Hidayat