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All Journal Journal of Tropical Soils Jurnal Agroteknos Al-Ahwal: Jurnal Hukum Keluarga Islam Indonesia Berdaya Jurnal Celebica : Jurnal Kehutanan Indonesia Jurnal Sylva Lestari Indonesian Journal of Interdisciplinary Islamic Studies (IJIIS)
SITTI MARWAH, SITTI
Fakultas Pertanian, Universitas Halu Oleo Kendari Kampus Bumi Tridharma Anduonohu Kota Kendari 93232, Indonesia
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Journal : Jurnal Agroteknos

 1 
DAMPAK PENGGUNAAN LAHAN TERHADAP SUMBER DAYA AIR: STUDI LITERATUR DAN HASIL PENELITIAN ALWI, LA ODE; MARWAH, SITTI
Jurnal Agroteknos Vol 4, No 2 (2014)
Publisher : Jurnal Agroteknos

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Abstract

The impacts of land use, from forest to non-forest (mixed garden, husbandry, and fishery), mining, urbanization, industry and infrastructure in upstream area can give negative impact on water resource environment.  Its impact in Wanggu watershed during 1992-2010 were: a) increasing of erosion by 17.6 m3 per ha per year (81,9%), sediment by 2.2 m3 per ha per year, b) decreasing of infiltration capacity by 1.8 m per hour, soil permeability by 2.1 cm per hour, base flow and increasing run-off by 262.7 mm per year (48,8%), CRO by 0,13(46,6%), peak discharge (Qmax) by 114.2 m3 per second and decreasing of water available resources (Qmin) by 3.0 m3 per second and ratio Qmax-Qmin by 38.1 and c) decreasing of water quality because of pollution by TSD, nutrient (NO3-, PO4-3, SO4=), DO, BOD, COD, metal (Cu, Fe, Zn), pesticide, pathogen, salt, oil, color  and change of temperature regime. Its impact was categorized as light to moderate pollution.  The pollution of out-let Wanggu river was classified as serious category by DO, COD and SO4=.  The impacts of land use in Batanghari River were: DO, BOD, COD, NH3, NO2, Zn, Fe and Cu with pollution category as light to moderate. Pollution categorized as serious category by waste: agriculture, urbanization, infrastructure and industry occurred in out-let of Ciliwung River Jakarta, and out-let Berantas River in Surabaya city.  Decreasing of water volume and water quality also occurred in some states likes in India, Bangladesh, Thailand, Australia, United State of America and Fiji Island. Keywords:      Land use impacts, soil conservation, erosion, sedimentation, run-off, water quality
ANALISIS PERUBAHAN PENGGUNAAN LAHAN DAN KETERSEDIAAN SUMBERDAYA AIR DI DAS KONAWEHA PROPINSI SULAWESI TENGGARA MARWAH, SITTI
Jurnal Agroteknos Vol 4, No 3 (2014)
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 degraded conditions, Konaweha watershed have been categorized as priority watershed in Southeast Sulawesi Province. Land use change is the main factor to influence water balance that indicated by the increasing maximum discharge in rainy seasons and decreasing minimum discharge in dry seasons. The objective of this research were (1) to analize the effects of land use changes onwater resources of Konaweha watershed; (2) to analize the availability of water resources to meet water demand as well as minimum proportion of forest cover in the watershed to ensure sustainable water resources in Konaweha watershed. This research was conducted in Konaweha watershed for 7 months from July 2011 to February 2012.  The result of this research showed that forest, swamp, plantation and bush area tended to decline exponentially year by year. The decline of forest area have significantly decreased minimum discharge of Konaweha River in dry seasons and increased maximum discharge in rainy seasons.  These condition have caused a significant deficit of water resources in dry seasons since period of 2004 to 2010 eventhough there was no deficit of annual water resources.
Co-Authors Agus Salim Mando, La Ode Albasri Aminuddin Mane Kandari, Aminuddin Mane Aziz, Afdal Fahyuddin FM, Johnny Hadjar, Nurhayati Kasim, Safril La Ode Alwi La Ode Muhamad Munadi Laksananny, Satya Agustina Lies Indriyani Malik, Humera Muhusana, Muhusana Nur, Hafidah Nurdin, Arianto Rosmarlinasiah, Rosmarlinasiah Syamsuddin Uslinawaty, Zakiah