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All Journal Agrienvi : Jurnal Ilmu Pertanian Bubungan Tinggi: Jurnal Pengabdian Masyarakat Jurnal Hutan Tropika
Hendra Toni
Jurusan Kehutanan Fakultas Pertanian Universitas Palangka Raya
Agriculture, Biological Sciences & Forestry Social Sciences Other

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Kajian Potensi Rotan di Hutan Desa Tumbang Habangoi Kabupaten Katingan : Study of Rattan Potential in the Community Forest of Tumbang Habangoi, Katingan Regency Aguswan, Yusuf; Naibaho, Berto Dionisius; Toni, Hendra; Yusrivan, Redy; Mulawarman, Hasyim Asyari
HUTAN TROPIKA Vol 19 No 2 (2024): Volume 19 Nomor 2 Tahun 2024
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v19i2.18595

Abstract

Katingan Regency is recorded as one of the regions with a significant production of Non-Timber Forest Products (NTFP), specifically rattan. In managing Community Forests, baseline data containing the potential resources within is required. This rattan potential data is used to formulate the Community Forest Management Plan. This study aims to estimate the potential of rattan in the Community Forest area of Tumbang Habangoi, Katingan Regency. Forest stand stratification was processed using the Forest Canopy Density (FCD) Model. The FCD is a vegetation index transformation developed by Rikimaru from the International Tropical Timber Organization – Japan Overseas Forestry Consultant Association (ITTO – JOFCA) and P.S. Roy from the Indian Institute of Remote Sensing in 1999, using Landsat TM imagery data as the primary input. The FCD results can distinguish canopy coverage with an accuracy of nearly 90%, enabling differentiation in canopy density. The FCD will be evenly distributed across 30 sample plots in the field. The number of sample plots, set at 30, is based on literature suggesting that a sufficient number of clustered image samples is around 25 evenly distributed sample plots. The rattan in the Community Forest of Tumbang Habangoi has an estimated total potential of approximately ±7,786.4 tons, averaging ±4.2 tons/ha. The growth of rattan heavily depends on the structure of the forest stands and the climbing trees supporting the rattan. The Forest Canopy Density Model is effective in mapping the horizontal structure of stands in Lowland Tropical Forests
Analisis Sifat Kimia Kayu Meranti Tembaga (Shorea leprosula Mig.) Dari Hutan Alam Dan Hutan Tanaman Di PT. Dwima Jaya Utama : Chemical Properties Analysis of Meranti Tembaga Wood (Shorea leprosula Mig.) from Natural Forests and Plantation Forests at PT. Dwima Jaya Utama Joni, Herwin; Santoso, Mahdi; Wahyudi, Wahyudi; Sosilawaty, Sosilawaty; Tanduh, Yusintha; Triyadi, Antonius; Toni, Hendra; Christy, Eva Oktoberyani; Silvianingsih, Yosefin Ari
HUTAN TROPIKA Vol 20 No 1 (2025): Volume 20 Nomor 1 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i1.21999

Abstract

This study analyzes the chemical properties of Meranti Tembaga wood (Shorea leprosula Mig.) from natural forests and intensively managed plantation forests (Silin) at PT. Dwima Jaya Utama. Samples were taken from trees with diameters of 28 cm, 36 cm, 43 cm, and 51 cm to compare extractive content (cold water, hot water, ethanol-toluene), holocellulose, α-cellulose, lignin, and ash levels. Results showed that Silin-grown wood had higher extractive content in cold and hot water but lower lignin and ash levels compared to natural forest wood. α-Cellulose content was consistently high across all diameters, meeting industrial standards. The findings suggest that Silin techniques can produce quality wood with shorter harvest cycles, though chemical properties vary by diameter and origin. This research provides valuable insights for sustainable forest management and industrial applications of Shorea leprosula.
Hama Dan Penyakit Anakan Balangeran (Shorea balangeran (Korth.) Burck) Di Persemaian Yayasan Borneo Orangutan Survival Kabupaten Kapuas Kalimantan Tengah: Pest And Disease of Balangeran Families (Shorea Balangeran Korth.) Burck) At the Borneo Orangutan Survival Oundation Nursery. Kapuas District Kristiana Firdara, Eritha; Rotinsulu, Johanna Maria; Syahnun, Martasya; Alpian, Alpian; Toni, Hendra; Rosdiana, Rosdiana; Penyang, Penyang
JURNAL HUTAN TROPIKA Vol 20 No 2 (2025): Volume 20 Nomor 2 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i2.23548

Abstract

This study aims to identify the types of pests and diseases on Balangeran (Shorea balangeran (Korth.) Burck) saplings and analyse the frequency of attacks, intensity of attacks and the level of damage caused by pests and diseases on Balangeran saplings at the Borneo Orangutan Survival Foundation Nursery. The sampling method was simple random sampling with a total sample size of 400 balangeran seedlings. The results showed that the pests were Caterpillar (Orgyia detrita), Wood grasshopper (Valanga nigricornis), Green steamed grasshopper (Atractomorpha crenulata), Swallowtail (Leptocorisa acuta Thunberg.) while the disease was leaf spot caused by pathogens Colletotrichum acutatum, Colletotrichum gloeosporioides and Nigrospora sp. The frequency of pest attacks on balangeran was 30% with an attack intensity of 6%, the frequency of disease attacks on balangeran was 43% with an attack intensity of 10.7%, the frequency of combined attacks on balangeran was 9% with an attack intensity of 1.7%.
Co-Authors Alpian Christy, Eva Oktoberyani Fauzi, Fouad Hidayat, Nisfiatul Jemi, Renhart Johanna Maria Rotinsulu Joni, Herwin Junaedi, Ajun K. Firdara, Eritha Madiyawati, Milad Mahdi Santoso Mataram, Bende Miyasih, Miyasih Moh. Rizal, Moh. Mujaffar, Ahmad Mulawarman, Hasyim Asyari Nababan, Gabriella SN Naibaho, Berto Dionisius Nisfiatul Hidayat Nuwa Nuwa, Nuwa Patricia Erosa Putir, Patricia Erosa Penyang, Penyang Renhart Jemi Rosdiana Rosdiana Salmansyah Salmansyah Silvianingsih, Yosefin Ari Sosilawaty, Sosilawaty Syahnun, Martasya Tanduh, Yusintha Triyadi, Antonius Wahyudi Wahyudi Yulianti, Reri Yusrivan, Redy Yusuf Aguswan