EFEKTIFITAS PEMBUATAN TANAMAN VEGETATIF DALAM MENANGGULANGI EROSI DAN SEDIMENTASI (Studi kasus di daerah aliran sungai Limboto Provinsi Gorontalo).

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%

Optimizing The Karang Mumus River School (SeSuKaMu) as An Innovation to Revitalize the River

“…SeSuKaMu is a place to learn about rivers and carry out activities that can rehabilitate rivers through debriefing and education presented (Suarnawati &;Dahliani, 2022). In addition, by revegetating the area around the river and seeding tree seeds to be planted on the banks of the Karang Mumus River, it can certainly strengthen soil structure, improve river flow balance, and control erosion (Dunggio & Chairil Ichsan, 2022;Rizki, 2023). In the implementation of SeSuKaMu, there are still obstacles in the implementation of tree planting, namely the difficulty of access to the SeSuKaMu location and access to the tree planting site, limited budget and facilities such as motorboats there is only one to go to the tree planting location, there are disputes with local residents regarding the ownership of SeSuKaMu land bordering the plantations of not all communities and realize the importance of maintaining the balance of nature through forest conservation.…”

A Chronicle of Indonesia’s Forest Management: A Long Step towards Environmental Sustainability and Community Welfare

“…Currently, the UPSA model is being re-implemented in several watersheds in Indonesia, such as on degraded lands in the Limboto Watershed, Gorontalo Province, starting in 2019 through an agroforestry system by understanding land capability and suitability [75]. The UPSA was also demonstrated as a priority watershed in the Indragiri Rokan Watershed, Riau Province, and the Brantas Watershed, East Java Province.…”

Evaluasi Pengelolaan Sampah Di Kota Gorontalo

“…Meningkatnya masalah persampahan di berbagai kota di Indonesia tidak lepas dari laju urbanisasi yang cukup tinggi yang tidak diimbangi dengan penyediaan lahan TPA yang memadai, sehingga dampaknya tidak saja terhadap permasalahan kesehatan tetapi juga pencermaran lingkungan seperti sedimentasi pada badan air (Cahyono et al, 2021). Selanjutnya menurut Dunggio & Ichsan (2022), pencemaran yang terjadi akibat aktivitas industri dapat menimbulkan degradasi di daerah aliran sungai (DAS) Buruknya penanganan sampah, umumnya disebabkan oleh buruknya tata kelola sampah. Tata Kelola sampah tersebut meliputi perencanaan, penganggaran, evaluasi dan monitoring.…”