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Jurnal Hutan Tropika
Published by Universitas Palangka Raya
ISSN : 16937643     EISSN : 26569736     DOI : https://doi.org/10.36873/jht.v14i1.327
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
adalah jurnal yang memiliki fokus dalam bidang ilmu dan teknologi kehutanan tropika serta semua aspek yang terkait dengan bidang ini. Jurnal ini memiliki ISSN: 1693-7643. Jurnal Hutan Tropika diikelola oleh jurusan Kehutanan, Fakultas Pertanian, Universitas Palangka Raya (Jurnal Hutan Tropika is a journal that focused on science and technology of tropical forestry and also all aspects concerned. This journal has ISSN: 1693-7643. Journal Hutan Tropika is managed by Forestry Department, Faculty of Agricultural, Universitas Palangka Raya)
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 400 Documents
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Pemantauan Pohon dan taksiran serapan karbon berbasis Android di Taman KEHATI AQUA Klaten: Tree Monitoring and Carbon Absorption Estimated based on Android at KEHATI AQUA Park Klaten Nanda Satya Nugraha; Dian Pratama Putra; Mohammad Prasanto Bimantio; Amallia Ferhat; Rama Zakaria; Muhammad Ramadhan; Egga Bella
HUTAN TROPIKA Vol 17 No 2 (2022): Volume 17 Nomor 2 Tahun 2022
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v17i2.5308

Abstract

Penanaman pohon pada sektor swasta dewasa ini menjadi salah satu nilai penting didalam keseriusan perusahaan dalam mengurangi emisi karbon, salah satunya berkaitan dengan Carbon offset yang merupakan serapan energi berkelanjutan untuk mengimbangi penggunaan bahan bakar fosil yang menghasilkan karbon, sehingga monitoring/ inventarisasi keberadaan pohon yang ditanam oleh perusahaan sangat penting untuk dilakukan. Inventarisasi pohon menjadi salah satu kegiatan periodik yang dilakukan guna untuk mengetahui perkembangan pertumbuhan dari pohon yang di tanaman oleh perusahaan. Umumnya inventarisasi yang dilakukan masih menggunakan tally sheet, akan tetapi memiliki efektifitas yang rendah dalam hal tabulasi data sehingga diperlukan satu terobosan untuk menunjang efektifitas inventarisasi tersebut. Jejak.in merupakan salah satu platfom digital yang mengembangkan pemantauan pohon dan jejak karbon berbasis digital (aplikasi android) sehingga perlu untuk dilakukan uji implementasi dalam perpektif efektifitas. Penelitian ini dilakukan di Taman Keanekaragaman hayati (KEHATI) PT. Tirta Investama Pabrik Klaten/ AQUA Klaten Kecamatan Polanharjo, Desa Wangen dan Ponggok dengan durasi waktu 1 bulan. Metode yang digunakan dalam penelitian adalah metode sensus yang artinya total keseluruhan pohon di Taman KEHATI AQUA Klaten diambil secara menyeluruh dan merata. Hasil dari penelitian ini menunjukan bahwa penggunakan aplikasi Jejak.in mampu memberikan efektifitas pengambilan data dan memberikan informasi secara lengkap pada luasan 4,86 Ha dengan total 1048 Pohon yang terdiri dari 59 spesies dengan kesehatan pohon kondisi baik sebanyak 958 pohon, kering sebanyak 26 pohon, terkena hama sebanyak 61 pohon, kondisi mati sebanyak 3 pohon, sedangkan pada taksiran stok karbon di Taman KEHATI AQUA Klaten pada 5 tahun mendatang (2026) sebesar 40,003 Gt . Kata kunci : Karbon, jejak.in, Pemantauan
Serapan Karbondioksida Vegetasi Hutan Rawa Gambut Berdasarkan Tingkat Pertumbuhan: Vegetation Uptake of Carbon Dioxide on Peat Swamp Forests Based on The Growth Rate Ajun Junaedi; Nisfiatul Hidayat; Moh Rizal; Esti Munthe
HUTAN TROPIKA Vol 17 No 2 (2022): Volume 17 Nomor 2 Tahun 2022
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v17i2.5559

Abstract

This study aims to identify the type composition and estimate the potential for biomass and carbon deposits as well as carbon dioxide (CO2) uptake of peat swamp forest vegetation based on the growth rates (seedling, sapling, pole, tree). The estimation of potential deposits of vegetation biomass is calculated by destructive and non-destructive methods. The potential for carbon impedance is calculated using the formula Bof National Standardization (2011) and CO2 absorption with the IPCC formula (2006). The results showed that the number of vegetation types found was 44 types from 25 families. Stake-level vegetation is the most common type found compared to seedlings, poles, and trees. Tree-level vegetation is dominated by Cratoxylon arborescent BI, Combretocarpus rotundatus pole level, and Stemonurus secundiflorus Blume stake level., the seedling level of Anacolosa frutescens. The potential for biomass, carbon deposits, and CO2 uptake of peat swamp forest vegetation is 179.976 tons/ha; 84.588 tons C/ha; 310.442 tons CO2/ha, respectively. Tree-level vegetation has the highest deposits of biomass and carbon as well as CO2 uptake compared to seedling, sapling, and pole levels. Youth-level vegetation (seedlings, sapling, pole) in peat swamp forests has great potential in storing biomass, carbon, and CO2 uptake in the long term. Keywords: biomass, carbon, carbon dioxide uptake, peat swamp forest, vegetation
Studi Pertumbuhan Mikroskopis: Pengaruh Suhu dan Curah Hujan terhadap Aktivitas Kambium pada Kayu Jelutung : Studied of Microscopic Growth: the Influence of Temperature and Rainfall on Cambium Activities in Jelutong Wood Lies Indrayanti; Sri Noegroho Marsoem
HUTAN TROPIKA Vol 17 No 2 (2022): Volume 17 Nomor 2 Tahun 2022
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v17i2.7517

Abstract

The cambium activity in wood formation is highly affected by temperature and rainfall. The aim of the present study was to investigate the cambium activities, i.e., cell number, cell proportion, and cell size during the growth period of jelutong wood. The pinning method was employed as the marking for initiating the observations on the formation and sizes of wood cells. The results revealed three patterns of the effect of the change in temperature and rainfall. First, when both temperature and rainfall increase, the number of fiber cells number increases, while the vessel cells, parenchyma cells, and rays decrease. The size of new fiber cells alters in which cell diameter, lumen diameter, and cell wall thickness increase, but fiber length decreases. This pattern forms short cells with thick cell walls. In the observation when temperature increases and rainfall decreases, the number of fiber cells and vessel cells increases while the number of parenchyma cells and rays decreases. New fiber cells have an increase in cell diameter, lumen diameter, and fiber length, but a decrease in cell wall thickness. The cells formed in the second pattern are long cells with thin cell walls. The third observation is when the temperature increases and rainfall decreases. In this pattern, the number of fiber cells, vessel cells, and cell size decrease, but the number of parenchyma cells and rays increases. This pattern forms short cells and thick cell walls. It causes variations in the properties of wood and affects the wood quality. Kata kunci (Keywords): cambium activity, temperature, rainfall, wood formation.
Komposisi Jenis dan Struktur Vegetasi Hutan Gambut Di Desa Tumbang Bulan Taman Nasional Sebangau : Type of Composition and Structure of Vegetation in Peat Swamp Forest In Tumbang Bulan Village Sebangau National Park Setiarno; Laksana Atyasa; Muhammad Luthfi S.
HUTAN TROPIKA Vol 17 No 2 (2022): Volume 17 Nomor 2 Tahun 2022
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v17i2.7518

Abstract

Landfire is one of the main factors of peat forest degradation. This work aims to look for species composition, vegetation structure, and post-fire species diversity. This research is situated in a peat forest area at an administrative zone of Desa Tumbang Bulan, around Sebangau National Park of Central Kalimantan being burned in 2015. The research is conducted using a quadratic plot. The observed parameter includes the species composition of stand structure and its ecology characteristics, i.e. Diversity Index, Richness Index, Evenness Index, and Similarity Index. The result showed the vegetation species in the research site are 101 species classified into 52 families which spread in many levels, i.e. seedling, sapling, pole, tree, and bottom plant. Pandanus sp. and Combretocarpus rotundatus are among the species of tree and bottom plant habitat with the highest NPJ. The index diversity, species richness, and evenness of this habitat range from low to high index value, while the inter-site and inter-growth levels of community similarity are low in general. The horizontal stand structure in the research site had a different exposed diameter that resembles the upside down of the "J" curve and concentrated on 10-<20 cm class diameter. Kata kunci (Keywords): Peat Swamp Forest, species composition, vegetation structure, growth
Penilaian Kesehatan Pohon Pada Jalur Hijau Di Kota Palangka Raya Kalimantan Tengah : Tree Health Assessment on the Green Line in the City of Palangka Raya, Central Kalimantan Desliana Saragih; Wahyudi Wahyudi; Patricia Erosa Putir
HUTAN TROPIKA Vol 17 No 2 (2022): Volume 17 Nomor 2 Tahun 2022
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v17i2.7534

Abstract

This study aims to determine the level of tree health, determine the form of pest and disease attacks including damage caused by disturbance or human activities and make recommendations for tree species to be planted on the Green Line, Palangka Raya, Central Kalimantan. The method used is Forest Health Monitoring (FHM) through grouping the type and level of damage to each individual tree. The results showed that the number of trees found at the study site amounted to 301 individuals from 24 tree species. Analysis of the Health Level of Trees based on the value of the Tree Damage Level Index (TDLI) obtained the category of severe damage level of 45 trees or 15%, light damage level of 97 trees or 33%, and moderate damage level of 78 trees or 26% while healthy trees have total 78 trees or 26%. Based on the level of tree health, the types of trees suitable for planting in the green lane, Palangka Raya City are trembesi (Samanea saman (Jacq.) Merr.), Angsana (Pterocarpus indicus Willd.), and Ketapang (Terminalia catappa H. Perrier,). Kata kunci (Keywords): Green line, tree health level, trembesi, angsana, ketapang.
Pemanfaatan Limbah Penggergajian Kayu Meranti Merah Sebagai Bahan Baku Papan Partikel Kerapatan Sedang Dengan Perekat Alami Asam Sitrat: Utilization of the Red Meranti Sawmill Waste for Raw Material of Medium Density Particleboard with Citric Acid Natural Binder Desy Natalia Koroh; Mahdi Santoso; Fitri Diana Batubara; Milad Madiyawati; Nuwa Nuwa
HUTAN TROPIKA Vol 17 No 2 (2022): Volume 17 Nomor 2 Tahun 2022
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v17i2.7537

Abstract

Red Meranti was a commercial wood that is widely used as a raw material for the timber industry (plywood and sawmill industry), and generated a lot of waste. Currently, the utilization of red meranti waste has not been utilized optimally. One of the optimizing utilization of that waste was for developing a Particleboard with the citric acid natural binder. The objective of this study was to determine the bonding properties of Sawmill Waste Red Meranti Particleboard bonded with a Citric Acid Natural Adhesive. Citric acid was dissolved in water with the concentration of the solution adjusted to 60 wt%. This adhesive solution was sprayed onto the 40 mesh (coarse) and 40 mesh (fine) particles at 10% and 20% resin content based on the weight of oven-dried particles. Each mixture was then hot pressed at 110°C for 15 min under 50 kg/cm² pressure. Density and dimension targets were 0.7 kg/cm³; 30 × 30 × 1 cm. Each experiment was performed in triplicate, and the average value and standard deviation were calculated. The results showed that the interaction of particle size and adhesive content had a very significant effect on density, internal bonding, and screw-holding strength and had no significant effect on moisture content, thickness swelling, and modulus of rupture (MOR). Based on the SNI 03-2105-2006, the physical properties that meet the standard were moisture content and. Meanwhile, the mechanical properties of sawmill waste red meranti particleboard have not met the SNI 03-2105-2006. Kata kunci (Keywords): Sawmill waste, red meranti waste, citric acid, natural binder.
Pemetaan Potensi Biomassa Permukaan Rawan Terbakar Berbasis Citra Landsat 8 Oli Di Kecamatan Kahayan Hilir Kabupaten Pulang Pisau: Mapping of Potential Burning Potential Biomass Based on Landsat 8 OLI in Kahayan Hilir District, Pulang Pisau Regency Krisna Wahyu; Santosa Yulianto; Penyang
HUTAN TROPIKA Vol 17 No 2 (2022): Volume 17 Nomor 2 Tahun 2022
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v17i2.8082

Abstract

Peatland fires in 2015 in Central Kalimantan were biomass fires on peatlands that burned with an area of ​​196,987 hectares and one of them was in Kahayan Hilir District. this research aims to determine the potential distribution of surface biomass and identify the types of vegetation. this research uses Landsat 8 OLI imagery in 2020 as well as land cover classification and calculation of the Vegetation Index (NDVI) which is then combined with an overlay to create a map of the distribution of land cover types based on their density which is then used for field checks and surface biomass calculations using the allometric formula on each type of land cover. Based on the research conducted, there are 8 types of land cover that can be identified and the percentage of total biomass, namely high density forest (1,419,013,40 tons or 62.58%), high density shrubs and shrubs (770,449.68 tons or 33.98%). ), High density settlements (44.169.32 tons or 1.95 %), high density oil palm plantations (21,518.77 tons or 0.95 %), High density open land (8,025.37 tons or 0.35%), plantations medium density palm oil (2,690.09 tons or 0.12%), medium density open land (1,545.81 tons or 0.07%) and low density open land (79.65 tons or 0.004%). The types of tree-level vegetation found in high-density forests are laban (Vitex pinnata), mahang damar (Macaranga triloba), and bungur (Lagerstroemia speciosa), while on understorey grass species rija-rija (Scleria sumatrensis) are found
Keanekaragaman Jenis Bambu Di Hulu Tampang Dusun Utara Kabupaten Barito Selatan Propinsi Kalimantan Tengah: Diversity of Bamboo species in Hulu Tampang Dusun Utara Districts South Barito Regency Central Kalimantan Province Agus Sadono; Nuriman Wijaya
HUTAN TROPIKA Vol 17 No 2 (2022): Volume 17 Nomor 2 Tahun 2022
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v17i2.8083

Abstract

Bamboo is one of the results of a non-timber forest that grows in the secondary forest and open forest who be found in Hulu Tampang Dusun Utara area. The purpose of this research is to know diversity of bamboo species in the area Hulu Tampang Dusun Utara South Barito Regency, Central Kalimantan. This research was conducted in Hulu Tampang Dusun Utara, during one month then continued by analysis of data. The collection of bamboo data at the research site is conducted by the cruising method by walking down the path. Results showed in Hulu Tampang Dusun Utara there are 5 species of bamboo had been found consisting of 4 different genera namely Bambu madintang (Bambusa vulgaris), Bambu petung (Dendrocalamu asper), Bambu Tamiang (Schizostachyum blumei), Bambu Jawa (Gygantocla atter) and Bambu Cina/ Bambu Pagar (Bambusa multiplex)
Cakupan Gabungan Beberapa Das Mikro Dan Simulasi 2D Pengaliran Air Pada Bentang Lahan Kota Kasongan Di Kabupaten Katingan: Combined Coverage of Several Micro Watersheds and 2D Simulation of Water Flowing in Kasongan City Landscape in Katingan District Bismart Ferry Ibie; Santosa Yulianto; Sosilawaty Sosilawaty
HUTAN TROPIKA Vol 17 No 2 (2022): Volume 17 Nomor 2 Tahun 2022
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v17i2.8084

Abstract

In supporting a systematic and comprehensive Strategic Environmental Assessment of the detailed spatial planning (RDTR) and Zoning Regulations (PZ) of the technical documents in the City Planning Area Section (BWP). It is necessary to understand the threat of hydrometeorological disasters, especially floods and waterlogging. Therefore, it is necessary to study the hydrological boundaries and distribution of water flow. In supporting optimal urban planning, this research was carried out on the BWP RDTR of Kasongan City, Katingan Regency periods 2020-2040 which has an area of 4,639.98 Ha. The research was carried out in August-November 2022, by delineating Micro-watersheds (sub-sub-sub watersheds) in and around the Kasongan City BWP followed by carrying out 2D simulations of water flow and inundation. The results of the study show that the BWP RDTR and PZ of Kasongan City are overlaid with Micro DAS as ecological boundaries in the form of hydrological unit polygons, showing as many as 59 polygons are affected areas with an area of 10,413 Ha. The area includes the Salangaju, Salangawa, Katunen and Liting watersheds with a polygon area ranging from 1 to 617 Ha, with an average polygon area of 179.53 Ha. Thus, the ratio between the area affected and the area of BWP and PZ is 2.24%. In the Main Program Indications, there are areas that are indicated to be experiencing a threat of flooding and inundation. It is suggested, that in its implementation carefully and precisely consider areas outside the BWP, it is also necessary to pay attention to the alternatives and recommendations that have been set to avoid floods and water inundation
Analisis Biaya Dan Pendapatan Lebah Madu Must Yoan Farm Kelurahan Kalampangan Kalimantan Tengah: The Analysis Of Cost And Income For Honey Bees Must Yoan Farm Kalampangan Village Central Kalimantan Pije Marlomak Simbolon; Sari Mayawati; Nuwa Nuwa
HUTAN TROPIKA Vol 17 No 2 (2022): Volume 17 Nomor 2 Tahun 2022
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v17i2.8086

Abstract

The Analysis of Cost and Income Must Yoan Farm Honey Bees, Kalampangan Village, Central Kalimantan. Honey bee cultivation in Central Kalimantan, especially the city of Palangka Raya, has the potential to be developed, considering the natural resources are very supportive and meet various location requirements for honey bee cultivation, in addition, especially honey bee farmers in the Kalampangan village have started this business, but stopped in mid this is due to a lack of information in terms of analyzing costs and income in this business, many think they will experience losses in this honey bee business while honey bees are a very good business because all of honey bees can produce economic resources starting from bees to waste and in the village of Kalampangan, the majority of people cultivate crops, so it is very good for natural pollination assisted by honey bees. Therefore, a proper analysis of the business being carried out is needed to find out the problems that occur at the research site and the solutions that will be taken. The method used consists of: 1. calculating fixed costs and income 2. Calculating honey bee business profits 3. Calculating break even point (BEP). 4. Calculating the feasibility of a honey bee business. The results of the study, 1. The cost of Rp. 355.400.000, and the amount of income is Rp.901.090.000, 2. Profit earned is Rp.545.690.000, 3. BEP (Break Even Point) in rupiah is Rp.231,806,626 and BEP unit is 1,825.71 4 The level of business feasibility, the value of the B/C Ratio is 2.54

Page 23 of 40 | Total Record : 400

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