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Journal : Jurnal Agroteknos

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

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 
Co-Authors Abdul Jalil Abdul Manan Abdul Manan Agil Lestari AGUS SETIAWAN Agusrinal Agusrinal Ahmaliun, La De Alam Lawelle, Sjamsu Albasri Albasri Albasri Albasri Amadhan Takwir Aminuddin Mane Kandari, Aminuddin Mane Anita Indriasary Ardi Ardi Armid, Alrum Asmin Asmin, Asmin Asramid Yasin Asramid Yasin Asruddin Am Asrul Nasir Bana, Sahindomi Baso Mursidi Baso Mursidi Bunasor Sanim Davik, Davik Dedy Oetama Deki Zulkarnain Fahidu, Wa Ode Hastiani Fathnur, Fathnur Gandri, La Gusman Agusalim Hariani Hariani Hasani, Umar Ode Hasbullah Syaf Haslianti Herlan Hidayat Hidayat, Herlan Imran Imran Inal Karizal Iswandi, R. Marsuki Junartin Teke Kahirun, Kahirun Kasim, Ma'ruf Kasim, Safril Koty, Agnes Trixsy La De Ahmaliun La Ode Ahmad Nur Ramadhan La Ode Ahmad Nur Ramadhan La Ode Ahmad Nur Ramadhan La Ode Alwi La Ode Midi, La Ode La Ode Muhammad Erif La Ode Safuan La Tapamu Lade Ahmaliun Laily Mutmainnah Lalu Darwite Laode Sabaruddin Laode Sabaruddin Lies Indriyani Lisdayani, Mira Lukman Yunus Lukman Yunus Lukman Yunus M. Yanuar J. Purwanto Mando, La Ode Agus Salim Mega Redi Jaya Muhaimin Hamzah Muhammad Nur Muhammad Saleh Qadri Muhsimin Muhsimin, Muhsimin Munara, Agil Aqshan Nor Musyadik Musyadik, Musyadik Naik Sinukaban Naik Sinukaban Nasaruddin Nasaruddin Nasaruddin Nasaruddin Nathan Pongkarambe Nur Arafah Nur Arafah Nur, Hafidah Nurdiana Nurdiana Putri, Fildasari Qadri, Muhamad Saleh Qadri, Saleh R. Marsuki Iswandi Ramadhan, Muhammad Rahmad Risnawati Risnawati Rusdi Rusdi Safril Kasim Samuel Samuel Sanjaya, Rifky Sitti Marwah Sitti Marwah Siwi, La Ode ST, Nurgiantoro Suria Darma Tarigan Surya Cipta Ramadhan Kete Teke, Junartin Tezza Fauzan Hasuba Tiku, Evi Indiriyani Tuwu, Eka Rahmatiah Umar Ode Hasani Umar Ode Hasani Umar Ode Hasani Uniadi Mangidi Vivi Fitriani Vivi Fitriani Wa Ode Hastiani Fahidu Wahid Wahid, Wahid Wahyu Adi Nugroho Wahyu Hidayat Wardha Jalil Yunus, Lukman Yustika Intan Permatahati