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Gorontalo Journal of Forestry Research
Published by Universitas Gorontalo
ISSN : 26142058     EISSN : 2614204X     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Gorontalo Journal of Forestry Research (GJFR) is a media publication for academics, researchers and practitioners to publish the results of research or scientific articles. GJFR is published 2 (two) periods each year, ie every April and October.
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Articles 86 Documents
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PERBANYAKAN LEGUME COVER CROP Desmodium trifolium PADA BEBERAPA MEDIA TANAM Ceng Asmarahman; Machya Kartika Tsani; Hendra Prasetia; Inggar Damayanti; Surnayanti Surnayanti; Afif Bintoro
Gorontalo Journal of Forestry Research VOLUME 5 NOMOR 1 TAHUN 2022 GORONTALO JOURNAL OF FORESTRY RESEARCH
Publisher : Universitas Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32662/gjfr.v5i1.2078

Abstract

ABSTRAKLahan pascatambang merupakan lahan terbuka yang mudah terdegradasi, sehingga perlu dilakukan revegetasi terutama jenis legum cover crop. Tujuan penelitian yaitu melakukan perbanyakan legume cover crop Desmodium triflorum pada beberapa media. Analisis data menggunakan Anova dengan software SPSS versi 10.01. Hasil penelitian menunjukkan bahwa perlakuan media memberikan pengaruh sangat nyata terhadap daya kecambah, rata-rata hari berkecambah, tinggi kecambah, serta jumlah daun tanaman Desmodium trifolium, tetapi tidak berpengaruh nyata terhadap jumlah benih berkecambah. Perlakuan media tanah campuran arang sekam pada Desmodium trifolium memberikan nilai terbaik terhadap rata-rata daya kecambah (33,33%), rata-rata hari berkecambah (9,41 hari), rata-rata tinggi kecambah (9,91 cm) dan rata-rata jumlah daun (7,34 helai), bila dibandingkan dengan perlakuan media tanah campuran dengan serbuk kayu gergaji. Kata kunci: tumbuhan penutup tanah; Desmodium trifolium; media tumbuh ABSTRACTPost-mining land is open land that is easily degraded, so it is necessary to conduct revegetation, especially using cover crop legumes. This study aimed to propagate the legume cover crop Desmodium triflorum on several media. The data was analysed using ANOVA with SPSS software version 10.01. The results showed that the media treatment had a very significant effect on germination, average days of germination, germination height, and the number of leaves of Desmodium trifolium plants, but not significant effect on the number of germinated seeds. The soil treatment with husk charcoal mixed to Desmodium trifolium indicated the best average germination, average germination day, average germination height, and average number of leaves with (33.33%), (9.41 days), (9.91 cm) and (7.34 pieces), respectively, when compared to the mixed soil media with sawdust treatment.Keywords: legume cover crop; Desmodium trifolium; growth media
KARAKTERISTIK PELAKU USAHA DAN PENGUNJUNG DI KAWASAN EKOWISATA TANGKAHAN SELAMA MASA PANDEMI COVID-19 Hannan Rafiq Nasution; Susni Herwanti; Indra Gumay Febriyano; Gunardi Joko Winarno
Gorontalo Journal of Forestry Research VOLUME 4 NOMOR 2 TAHUN 2021 GORONTALO JOURNAL OF FORESTRY RESEARCH
Publisher : Universitas Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32662/gjfr.v4i2.1697

Abstract

Pandemi COVID-19 yang mewabah di Indonesia menjadikan suatu permasalahan yang dihadapi sehingga berdampak terhadap Kawasan Ekowisata Tangkahan untuk menekan pencegahan penyebaran virus COVID-19. Tujuan penelitian untuk mengetahui karakteristik pelaku usaha dan pengunjung di kawasan Ekowisata Tangkahan selama masa pandemi COVID-19. Penelitian ini dilakukan di Ekowisata Tangkahan yang terletak di dua wilayah desa yaitu Desa Namu Sialang dan Desa Sei Serdang, Kecamatan Batang Serangan, Kabupaten Langkat, Provinsi Sumatera Utara. Penelitian ini menggunakan pendekatan kualitatif dengan metode deskriptif kualitatif. Pengumpulan data dengan cara kuesioner, wawancara, dan observasi, serta dianalisis dampak sosial akibat COVID-19 yang terjadi terhadap Kawasan Ekowisata Tangkahan. Hasil penelitian menunjukkan bahwa akibat pandemi COVID-19 menyebabkan kunjungan wisatawan lokal pada tahun 2020 berkurang sebanyak 68% dibanding tahun 2019 serta kunjungan wisatawan mancanegara pada tahun 2020 berkurang sebanyak 52% dibanding pada tahun 2019. Pelaku usaha melakukan penutupan sementara kegiatan usaha selama penutupan Ekowisata Tangkahan yang menyebabkan pelaku usaha sebanyak 36% menjadi pengangguran. 
POTENSI DAN SALURAN PEMASARAN GETAH PINUS DI KABUPATEN BONE, SULAWESI SELATAN Andi Nurul Mukhlisa
Gorontalo Journal of Forestry Research VOLUME 3 NOMOR 2 TAHUN 2020 GORONTALO JOURNAL OF FORESTRY RESEARCH
Publisher : Universitas Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32662/gjfr.v3i2.1182

Abstract

ABSTRAKPenelitian ini bertujuan untuk menganalisis potensi sebaran getah pinus di kabupaten Bone. Selain produktivitas dan aliran pemasaran yang dapat dilakukan juga menjadi focus penelitian ini. Metode yang digunakan menggunakan metode sosial data kuesioner dengan melibatkan responden. Hasil penelitian menunjukkan terdapatnya luasan izin pemungutan getah pinus seluas 7980 ha dengan produktivitas sebesar 2977 ha. Kerjasama yang dilakukan dengan memanfaatkan mitra pengumpul getah pinus, aliran pemasaran dapat menjangkau pasar internasional. Saat ini hasil getah pinus disebar pada pasar local, pasar nasional dan pasar internasional.Kata kunci: getah pinus, aliran pemasaran, potensi pinusABSTRACTThis study aims to analyze the potential distribution of pine sap in Bone district. In addition to productivity and marketing flows that can be done are also the focus of this research. The method used is a social data questionnaire method involving respondents. The results showed that there was a pine sap harvesting permit area of 7980 ha with a productivity of 2977 ha. The cooperation is carried out by utilizing pine sap collection partners, the marketing flow can reach the international market. Currently the pine sap is distributed to local markets, national markets and international markets.Keywords: pine sap, marketing flow, potency of pine
NILAI EKONOMI SIMPANAN KARBON KEBUN RAYA JOMPIE KOTA PAREPARE Muhammad Ichwan Kadir
Gorontalo Journal of Forestry Research VOLUME 4 NOMOR 2 TAHUN 2021 GORONTALO JOURNAL OF FORESTRY RESEARCH
Publisher : Universitas Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32662/gjfr.v4i2.1779

Abstract

Keberadaan  Kebun Raya Jompie Pare-Pare memiliki manfaat bagi masyarakat sekitarnya dan masyarakat Kota Pare-Pare, baik secara ekonomi maupun ekologi. Penelitian ini bertujuan mengetahui (1) berapa nilai manfaat simpanan karbon Kebun Raya Jompie Parepare, dan (2) berapa besar Nilai Ekonomi simpanan karbon Kebun Raya Jompie . Penelitian dilaksanakan di Kecamatan Soreang Kota Parepare Provinsi Sulawesi Selatan. Pengumpulan data lapangan, pengolahan dan analisis data serta penyusunan tesis berlangsung pada bulan Maret s.d September 2015. Data dianalisis melalui pendekatan pasar proksi dengan Teknik Barang Proksi (proxy good technique). Hasil penelitian menunjukkan tingakat ketergantungan masyarakat pada areal Kebun Raya Jompie Parepare (KRJP) sangat tinggi baik secara langsung maupun tidak langsung. Nilai manfaat simpanan karbon yang di peroleh adalah 60,67 ton/tahun dengan nilai ekonomi simpanan karbon Rp. 7.845.899/tahun ABSTRACTThe existence of Botanical Garden Jompie Parepare benefits the peoplein Parepare and surrounding areas, both economically and ecologically. This rearch aimed (1)to calculate the total carbon value of the Jompie Botanical Gardens, Parepare (2) calculate the economic value of the carbon of the Jompie Botanical Gardens, Parepre. The research, i.e. the collection, the processing and the analysis of the data, was conducted in Soreang Sub-District, Parepare City, South Sulawesi Province from March through September 2015. The data were then analyzed through the proxy market approach with the proxy goods technique. The research results indicated that the direct and indirect dependency level of the society on the area of Jompie Botanical Garden, Parepare (KRJP) was very high. The benefit obtained from the values of the carbon was 60,67 ton/year or the carbon economical value of Rp. 7.845.899/year. 
UTILIZATION OF PINE FRUIT (Pinus mercusii) AS RAW MATERIAL FOR ENVIRONMENTALLY FRIENDLY BIOPESTICIDE FOR SPINACH PLANTS Indhasari, Fitri; Putra, Muh. Mukhtadir; Achmad, Fadhilah
Gorontalo Journal of Forestry Research VOLUME 8 NOMOR 1 TAHUN 2025 GORONTALO JOURNAL OF FORESTRY RESEARCH
Publisher : Universitas Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32662/gjfr.v8i1.3812

Abstract

This research aims to find out the best formulation of pine cones in making biopesticides, find out the processing of pine waste in overcoming pest problems in spinach plants and the growth of spinach plants that have been given biopesticide made from pine cones. biopesticide standard. The treatment used was a combination of biopesticide and pine cones with a ratio of L0 = control (without biopesticide), L1 = 1:10:3:1, L2 = 1:10:3:3, L3 = 1:10:3:6, Each treatment was repeated 3 times. Making biopesticide uses 250 ml of acetone solution, 6 liters of clean water, and pine fruit waste according to a predetermined formulation. It is hoped that the results of this research will be able to utilize pine cones in everyday life to become an economically valuable product to ensure the fulfillment of food needs in supporting food security and independence programs.
POTENCY OF CARBON STORAGE AND CO2 ABSORPTION AT PT TIRTA INVESTAMA, SUBANG DISTRICT Utami, Widia Sri; Juliani, Rany; Abidin, Zaenal; Santoso, Sidik; Rahayu, Apriliyanti Dwi; Ankhoviyya, Nida
Gorontalo Journal of Forestry Research VOLUME 7 NOMOR 1 TAHUN 2024 GORONTALO JOURNAL OF FORESTRY RESEARCH
Publisher : Universitas Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32662/gjfr.v7i1.3352

Abstract

The Biodiversity Park covering an area of ±5,800 Ha provides conservation functions in the work area of PT Tirta Investama Plant Subang and for the surrounding community which has a sloping to very steep topography. A landslide disaster occurred in the company's work area in Block II at the beginning of 2024 due to increased rainfall of 17.6 mm/hour caused by global warming. Biodiversity Park also provides the function of reducing greenhouse gas emissions by storing and absorbing CO2 by plants in the area to reduce global warming through photosynthetic activity assisted by energy from sunlight. The research method is to carry out a census inventory of mahogany plants in Block II. This research aims to determine carbon storage and CO2 uptake in mahogany plants. The research show that 412 mahogany plants can store 26,364 tonnes/ha of carbon in their stems or equivalent to an equivalent CO2 uptake of 96,755 tonnes/ha.
EVALUASI KINERJA MASYARAKAT PEDULI API DALAM PENGENDALIAN KARHUTLA DI DESA BONTOMANURUNG MAROS Rizka Kusuma Dewi; Naufal Naufal; Jauhar Mukti; Nirwana Nirwana; Andi Azis Abdullah
Gorontalo Journal of Forestry Research VOLUME 6 NOMOR 1 TAHUN 2023 GORONTALO JOURNAL OF FORESTRY RESEARCH
Publisher : Universitas Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32662/gjfr.v6i1.2510

Abstract

Aktivitas masyarakat sekitar hutan sebagian besar bergantung pada kegiatan bercocok tanam, hal ini sangat erat kaitannya dengan pembukaan lahan yang memicu terjadinya kebakaran hutan dan lahan (Karhutla). Peran masyarakat menjadi sangat penting mengingat keberadaannya yang berbatasan langsung dengan hutan dan daerah rawan kabakaran lainnya. Penelitian ini bertujuan untuk mengetahui bentuk kinerja dan faktor penghambat Masyarakat Pedulu Api (MPA) Desa Bontomanurung Kecamatan Tompobulu Kabupaten Maros dalam pengendalian kebakaran hutan dan lahan. Jenis penelitian yang digunakan adalah kualitatif dengan metode deskriftif. Sumber data yang digunakan melalui wawancara, pengamatan di lapangan dan dokumentasi. Hasil penelitian menunjukkan : (1) Upaya pengendalian kebakaran hutan dan lahan yang dilakukan oleh kelompok MPA Ma’bulo Sibatang belum berjalan dengan optimal. Selama ini pemberian informasi ke masyarakat desa dilakukan secara individu dan mandiri oleh masing-masing anggota kelompok bukan sebagai 1 (satu) kelompok yang telah memiliki organisasi, (2) Terdapat 2 faktor penghambat terhadap optimalisasi peran kelompok MPA Ma’bulo Sibatang dalam melakukan upaya pengendalian kebakaran hutan dan lahan yaitu faktor internal dan faktor eksternal. Faktor internal antara lain: lemahnya perangkat organisasi, kurangnya jumlah anggota kelompok MPA, serta tidak tersedianya sarana prasarana dalkarhutla pada kelompok MPA Ma’bulo Sibatang. Sedangkan faktor eksternal yaitu belum adanya pembinaan dan pelatihan bagi kelompok MPA, tidak terintegrasinya data anggota kelompok MPA, serta kurangnya dukungan pemerintah desa dan instansi terkait pada kelompok MPA Ma’bulo Sibatang.
QUALITY TEST OF WHITE TEAK (Gmelina arborea) AND CANDLENUT (Aleurites moluccana) SEEDLINGS IN THE BPDAS-HL BONE BOLANGO PERMANENT NURSERY Djafar, Rilan; Puspaningrum, Dian; Ernikawati, Ernikawati
Gorontalo Journal of Forestry Research VOLUME 7 NOMOR 2 TAHUN 2024 GORONTALO JOURNAL OF FORESTRY RESEARCH
Publisher : Universitas Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32662/gjfr.v7i2.3695

Abstract

ABSTRACTIndonesian National Standard (SNI) No. 8420 of 2018 concerning forest plant seeds is a reference for determining the quality of quality seeds. Technical instructions for assessing the quality of forest plant seeds by Regulation of the Director General of Land Rehabilitation and Social Forestry (RLPS) number P.05/V-SET/2009. Gmelina arborea and Aleurites moluccana seeds are priority seeds for production and use in RHL activities, so research focuses on these two types. The study aimed to determine the quality of Gmelina arborea and Aleurites moluccana seeds produced by the BPDAS-HL Bone Bolango Permanent Nursery. Data collection was carried out by selecting the sample using the Systematic Sampling with Random Start method based on SNI sampling requirements. There were 19,800 Gmelina arborea seeds and 5,900 Aleurites moluccana seeds with a sampling intensity of 0.2%. Testing for Gmelina arborea showed poor results in contrast to Aleurites moluccana in terms of percentage: Media compactness of the two types tested produced a percentage of 100% of the Aleurites moluccana type and 73.5% of the Gmelina arborea type. Seedling height, from the test percentages for both types, produces a percentage of 100%. For seed diameter, the Gmelina arborea test produced a value of 91%, and the Aleurites moluccana type produced a value of 100%. The percentage of leaves for the Gmelina arborea type is 45%, while the percentage for the Aleurites moluccana type is 100%. Average special requirements (RPK), the Gmelina arborea type produces a percentage of 77.37% while the Aleurites moluccana type produces a percentage of 100%. The test results (final score) resulted in 68 Gmelina arborea seedlings that fell into the first criterion (P), 120 in the second criterion (D) and 12 that did not pass the test (X). Meanwhile, the Aleurites moluccana type produces a percentage of 100% which is in the first quality (P).Keywords: Quality Testing; Seedlings; SNI; BPDASHL; Bone-Bolango.
KINERJA PENGELOLAAN DAS PAGUYAMAN BERDASARKAN KONDISI FISIKA DAN KIMIA AIR Lahili, Rahmanto; Lihawa, Fitriyane; Dunggio, Iswan
Gorontalo Journal of Forestry Research VOLUME 6 NOMOR 2 TAHUN 2023 GORONTALO JOURNAL OF FORESTRY RESEARCH
Publisher : Universitas Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32662/gjfr.v6i2.2505

Abstract

                                               ABSTRAK Aktivitas penambangan oleh masyarakat di sempadan Sungai Paguyaman, menyebabkan pencemaran di perairan sungai. Dampak langsung dapat dilihat pada kualitas perairannya. Tujuan penelitian ini adalah untuk menganalisis kualitas air Sungai Paguyaman pada areal penambangan batuan Desa Motoduto Kecamatan Boliyohuto. Penelitian ini dilakukan pada tahun 2022 di Sungai Paguyaman. Pengambilan sampel air di dilakukan di tiga tempat yaitu sebelum lokasi tambang sebagai kontrol, di tapak kegiatan tambang liar saat beraktivitas dan setelah lokasi pertambangan. Paremeter kualitas air meliputi parameter kecerahan, pH,  dan Dissolved Oxygen (DO). total dissolved solid (TDS), Total Suspended Solid (TSS), suhu dan ammonia, Biologycal Oxygen Demand (BOD) dan Chemical Oxygen Demand (COD). Hasil pengukuran akan ditampilkan dalam bentuk grafik dan dibahas seacara deskriptif dengan merujuk pada baku mutu PP Nomor 22 tahun 2021 (Lampiran VI). Hasil analisis laboratorium menunjukkan bahwa parameter TSS dan Surfactan melewati baku mutu kualitas air untuk Kelas II. Konsentrasi TSS di lokasi control sebesar 98 mg/l dan Surfactan 0,009 mg/l. Konsentrasi TSS di sekitar lokasi tambang sebesar 119 mg/l dan Surfactan 0,02 mg/l. Konsentrasi TSS setelah lokasi tambang adalah 148 mg/l dan Surfactan  sebesar 0,021 mg/l. Baku mutu TSS untuk air sungai Kelas II sebesar 50 mg/l dan Surfactan sebesar 0,001 mg/l.ABSTRACT Rock mining activities on the Paguyaman River border can cause river water pollution. The purpose of this study was to analyze the water quality of the Paguyaman River around the rock mining area of Motoduto Village, Boliyohuto District. Water sampling was carried out at three locations, namely before the mine site as a control, at the rock mining activity site and after the mining site. Water quality parameters include brightness, pH, and Dissolved Oxygen (DO) parameters. total dissolved solid (TDS), Total Suspended Solid (TSS), temperature and ammonia, Biological Oxygen Demand (BOD) and Chemical Oxygen Demand (COD). The measurement results will be displayed in graphic form and analyzed descriptively by referring to the PP No. 22 of 2021 quality standard (Appendix VI). The results of the laboratory analysis showed that the TSS and Surfactant parameters passed the water quality standard for Class II. The concentration of TSS at the control location was 98 mg/l and surfactant 0.009 mg/l. The concentration of TSS around the mine site is 119 mg/l and Surfactan is 0.02 mg/l. The concentration of TSS after the mine site is 148 mg/l and Surfactan is 0.021 mg/l. The TSS quality standard for Class II river water is 50 mg/l and Surfactant is 0.001 mg/l.
POLA PENGOMBINASIAN TANAMAN DI KELOMPOK TANI HUTAN SEJAHTERA 4 DESA PESAWARAN TAMAN HUTAN RAYA WAN ABDUL RACHMAN Adinda Azelia Ramadhani; Ceng Asmarahman; Indriyanto Indriyanto
Gorontalo Journal of Forestry Research VOLUME 6 NOMOR 1 TAHUN 2023 GORONTALO JOURNAL OF FORESTRY RESEARCH
Publisher : Universitas Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32662/gjfr.v6i1.2422

Abstract

The pattern of plant combinations is the arrangement of the species of plants that are cultivated in a field. This research aims to analyze the pattern of plant combinations in the arable land of KTH Sejahtera 4 Tahura Wan Abdul Rachman. The research method used is the multiple plot method, direct observation, and interviews. Plots are arranged systematically on the farmers' arable areas. The total area cultivated by KTH Sejahtera 4 Tahura Wan Abdul Rahcman farmers is 36.05 ha. The area of the sample plots made is 1,442 ha with a sampling intensity (IS) of 4%, therefore the number of plots made is 36 plots. The results showed that all farmers applied agroforestry techniques with mixed crop combinations at random. The combination combines MPTS plants, both from the forestry plant group and the agricultural plant group. From the results of the vegetation analysis, it is known that in KTH Sejahtera's arable land 4 plants that have a high level of dominance are cloves (Eugenia aromaticum L.) and nutmeg (Myristica fragrans). According to farmers' opinion, there are three types of plants that are superior, namely cocoa (Theobroma cacao), rubber (Hevea brasiliensis), and coffee (Coffea robusta L.). The plants favored by the farmers are the mainstay of their income.

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