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ANALISIS MINERAL TANAH DAN KONDISI GEOLOGI TERHADAP PRODUKTIFITAS PERTANIAN DI DESA TAMAILA UTARA Podungge, Yulin; Mamangkay, Bambang
Jurnal Biogenerasi Vol. 10 No. 1 (2024): Volume 10 Nomor 1, Agustus 2024 - Februari 2025
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/biogenerasi.v10i1.4721

Abstract

Soil quality is an important factor in determining agricultural yields, and geological conditions also influence the availability and distribution of essential minerals for plant growth. Tamaila Utara Village, in Gorontalo Regency, has significant agricultural potential, but it has not been fully optimized. The objective of this study is to conduct an in-depth analysis of soil mineral content and geological conditions, as well as their impact on agricultural productivity. This study uses a combined approach of laboratory analysis and quantitative analysis with the Guttman method. Soil samples were collected at several agricultural sites, based on land slope, followed by an analysis of macro and micro-nutrient content. The results show that the volcanic rock-based geological conditions, rich in minerals, support the availability of nutrients in several areas. However, the farming practices for corn in Tamaila Utara Village are still unsustainable, as these activities have significantly impacted the surrounding ecosystem, soil quality, and corn yields, which have declined over the past three years.
ANALISIS KANDUNGAN KARBON PADA TUMBUHAN LAMUN DI DESA TOROSIAJE LAUT, KABUPATEN POHUWATO Mamangkay, Bambang; Tuheteru, Jalipati; Podungge, Yulin
TRITON: Jurnal Manajemen Sumberdaya Perairan Vol 21 No 2 (2025): TRITON: Jurnal Manajemen Sumberdaya Perairan
Publisher : Departement of Aquatic Resources Management, Fisheries and Marine Science Faculty, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/TRITONvol21issue2page149-156

Abstract

Seagrass is one of the coastal ecosystems that contributes to blue carbon. This study aims to estimate the carbon content in the seagrass ecosystem in the waters of Torosiaje Village, Popayato District, Pohuwato Regency. Carbon storage estimates were made based on seagrass biomass components, namely rhizomes, roots, and leaves. Sampling was conducted from July to September 2025 using purposive sampling. The samples obtained were analyzed in the laboratory for three days at a temperature of 80-900C. Furthermore, using the Loss on Ignition method, combustion was carried out to see the remaining biomass from the seagrass plants. The results showed that the organic carbon content in each type of seagrass at the study site varied depending on the species and local environmental conditions. Enhalus acoroides, with the highest carbon value of 37.67%, has high and relatively consistent carbon storage potential, while Thalassia hemprichii has 32.87% and Cymodocea rotundata only 29.00%. This shows more varied carbon storage values. These variations reflect the influence of environmental factors, such as hydrodynamics, substrate type, and seagrass stand characteristics. The results of this study confirm the important role of seagrass ecosystems as significant blue carbon sinks, as well as the importance of community-based ecosystem protection and management efforts in coastal areas with blue carbon potential, in order to support ecosystem sustainability and climate change mitigation in the future. ABSTRAK Lamun merupakan salah satu ekosistem pesisir penyumbang blue carbon. Penelitian ini bertujuan untuk mengetimasi simpanan kandungan karbon pada ekosistem lamun di perairan Desa Torosiaje laut, Kecamatan Popayato, Kabupaten Pohuwato. Estimasi simpanan karbon dilakukan berdasarkan komponen biomassa lamun yaitu rhizoma, akar dan daun. Pengambilan sampel dilakukan pada Juli-September 2025 dengan menggunakan metode purposive sampling. Sampel yang diperoleh dianalisa di laboratorium selama tiga hari dengan suhu 80-900C. Selanjutnya dengan metode Loss on Ignition, dilakukan pembakaran untuk melihat sisa biomassa dari tanaman lamun. Hasil penelitian menunjukan kandungan karbon organik pada setiap jenis lamun di lokasi penelitian menunjukkan variasi yang dipengaruhi oleh perbedaan spesies dan kondisi lingkungan lokal. Enhalus acoroides dengan nilai karbon teritinggi 37,67% memiliki potensi penyimpanan karbon yang tinggi dan relatif konsisten, sedangkan Thalassia hemprichii 32,87% dan Cymodocea rotundata hanya 29.00%. Hal ini menunjukkan nilai simpanan karbon yang lebih bervariasi. Variasi tersebut mencerminkan pengaruh faktor lingkungan, seperti hidrodinamika perairan, jenis substrat, dan karakteristik tegakan lamun. Hasil penelitian ini menegaskan peran penting ekosistem lamun sebagai penyerap karbon biru yang signifikan, serta menegaskan pentingnya upaya perlindungan dan pengelolaan ekosistem berbasis masyarakat di wilayah pesisir yang memiliki potensi karbon biru, guna mendukung keberlanjutan ekosistem dan mitigasi perubahan iklim di masa mendatang. Kata Kunci: Lamun, karbon organik, karbon biru, ekosistem, aktivitas masyarakat
ANALISIS TIMBULAN SAMPAH RUMAH TANGGA DAN EFEKTIFITAS TPS-3R DI KOTA GORONTALO Mamangkay, Bambang; Podungge, Yulin; P Rantung, Lucky; R Yahya, Andika; B. Putra, Muslimin
Jurnal Biogenerasi Vol. 10 No. 4 (2025): Volume 10 nomor 4 tahun 2025 Terbit Oktober-Desember 2025
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/biogenerasi.v10i4.7858

Abstract

This study was conducted to comprehensively analyze household waste management and the effectiveness of TPS-3R in Gorontalo City. This analysis identifies the level of effectiveness of TPS-3R and the basis for formulating recommendations for sustainable waste management policies in the Gorontalo City area. This study was conducted on a sample population of 8 villages and 8 waste generation locations spread across the 8 villages and 4 TPS 3R located in 8 villages. Furthermore, this study uses Purposive sampling in determining the location based on the condition of waste generation, and data collection using the Checklist Form of waste generation and the condition of TPS 3R then interviews with the village government with the Guttman analysis approach for quantitative data for the Checklist Form and interview analysis using the Miles and Huberman approach for qualitative data analysis. The problem of waste generation and household waste management in Gorontalo City is still not optimal, where community involvement in preventing waste generation is not yet effective, facilities and infrastructure such as TPS-3R are not optimal in reducing waste generation due to several obstacles such as unclear management and institutions and the active role of the village government is not yet too strong due to the existence of waste management regulations from the region directly by the Environmental Service so that there needs to be clear coordination and collaboration in terms of law and regulations in the future.