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Journal : Jurnal Belantara

EFEKTIFITAS PEMBUATAN TANAMAN VEGETATIF DALAM MENANGGULANGI EROSI DAN SEDIMENTASI (Studi kasus di daerah aliran sungai Limboto Provinsi Gorontalo). Iswan Dunggio; Andi Chairil Ichsan
Jurnal Belantara Vol 5 No 1 (2022)
Publisher : Forestry Study Program University Of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1180.576 KB) | DOI: 10.29303/jbl.v5i1.882

Abstract

Mostly, there are many factors that cause erosion as follow rainfall, construction and agricultural activities. All these factors refered to uncontrol human activities. The global impacts erosion and sedimentation include disturbance ecosystem, sedimentation in rivers basins and reservoirs and increase emission potential. High erosion can be reduce soil nutrient, organic matters and water availability. The study used USLE method to determine erosion and sedimentation. To measure the effectiveness vegetative planting, we used spatial analysis. The result of spatial analysis show that around 8.58 ton/year of sediment in Limboto lake. The result sediment from Alo Sub-Watershed, Molamahu, Pulubala and Batulayar that contribute sediment around 3.8 million tons/year in Limboto watershed. In region of northern and southern sub watershed such as Pone, Marisa, Biyonga, Talumelito, Tulandenggi, Pilolalenga, Payunga and Tabongo that contribute erosion dan sediment around 5,95 ton/year in Limboto lake, Topodu rivers and Tomini Bay. According erosion classification, Limboto watershed area is dominated very heavy erosion around 29.28%. To control erosion and sedimentation, the land should be restoration reaches 55.82% or 49.892 ha through re-vegetation around 18.30% or 16.362 and develop agroforestry system around 37.51% or 33.530 ha of total Limboto watershed area. The effectiveness of activities revegetation and develop agroforestry system is able to control erosion until 89.56%
Co-Authors -, Ahmad Faqih Achmad, Fariz Adam, Verra Ahmad Zainuri Andi Chairil Ichsan Asep Nurdin Ashari, Firmansyah Baderan, Dewi Wahyuni. K Bahuwa, Isra Cahayani Bambang Mamangkay Botutihe, Nur Meyla Ulfiana Cono, Titi Hawanda Metania Daud Yusuf Desey, Herlina Dewi Sartika T. Zees Dewi Wahyuni K. Baderan Efendy Payuyu Eka Reza Saputra Widodo Fajran Bentearu Farid SM Faridawaty, Waode Feri Novriyal Fery Rahmat Angriawan Bagu Fitriyane Lihawa Fitriyane Lihawa Fitriyane Lihawa Fitryane Lihawa Frandika K. Toiyo Frandika K. Toiyo Fuad Pontoiyo Golfred Alex Kojongkam Hasim Hasim Hasim Hasim Hasim Hasim Hasim Hasim, H Hazairin Thamrin Hendra Gunawan Hendri Iyabu Herlindah Heru Z Thalib Irawan, Mohammad Bayu Isra Cahayani Bahuwa Juramang, Risnayanti Kadir, Zein Setiawan Kadir, Zen Setiawan La Alio Lahili, Rahmanto Lasang, Saharil Salim Liberty Lodjo Lihawa, Fitriyane Marini Susanti Hamidun Mawardi Heru Prasetyo Misnawaty Wantogia Mohamad Zainudin Usman Mohamad, Nurdin Mohammad Bayu Irawan Mosi, Yetty MUHAMMAD YUSUF Muhammad Yusuf musa, weni ja Mutmainnah Usman Ningsih Rahman Novalia Warow Novriyal, Feri Nur Meyla Ulfiana Botutihe Nurdin . Nurdin Mohamad Nurdin, Isra Nurma Rosalia Pakaya, Moh. Reynaldi Pakaya, Parid Parid Pakaya Prasetyo, Mawardi Heru Puspaningrum, Dian Rahman Hasan Rahmawati A. Damiti Ramli Utina Risma Neswati, Risma Rival Rahman, Rival Rosalia, Nurma Salote, Moh Khamal Saputra Widodo, Eka Reza Siti Amalia Gobel Situmeang, Dody Boy Venalocha SM, Farid Sofyan Abdullah Sofyan Abdullah, Sofyan Sudarmanto Hasan Sukirman Rahim Sukma Dewanty Jahja Supriyatna Supriyatna Suryadi Syamsuddin Suryadi Syamsudin Syam S. Kumaji Thalib, Heru Z Toiyo, Frandika K. Usman, Mutmainnah Wantogia, Misnawaty Waode Faridawaty Warow, Novalia Weny J.A Musa Yosef Endri Cahyono Yusfriandi Dwi Ariesna Zein Setiawan Kadir Zulham Sirajuddin Zuliyanto Zakaria