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INDONESIA
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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Menggali Potensi Serta Nilai Ekonomi Budidaya Lebah Kelulut (Trigona Itama) Pada Kelompok Usaha Perhutanan Sosial Di Desa Tuwung Kabupaten Pulang Pisau Kalimantan Tengah Grace Siska; Yanarita Yanarita; Meyka Yolanda; Reri Yulianti; Desy Natalia Koroh
HUTAN TROPIKA Vol 18 No 1 (2023): Volume 18 Nomor 1 Tahun 2023
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v18i1.9374

Abstract

The social forestry enterprise group of stingless bee farming is a group that utilizes stingless bees for cultivation and already has a product, which is honey. The community managing the social forestry land is Tuwung Village, Pulang Pisau Regency, Central Kalimantan Province. The research aims to determine the potential and economic value, as well as the factors influencing the productivity of stingless bee honey. The research method used is qualitative descriptive method. The stingless bee farming enterprise in Tuwung Village produces 40 liters of honey from 33 hives, where the potential for stingless bee cultivation is still suboptimal. The economic value, as the income from honey sales in one year, amounts to Rp 10,000,000. The honey produced during one year totals 40 liters with a selling price of Rp 250,000 per liter, resulting in the income of this enterprise group still being suboptimal or relatively low.
Pengayaan Arang Sekam Menggunakan Fermentasi Pupuk Organik Cair pada Pertumbuhan Balangeran (Shorea balangeran (Kroth.)) Reni Rahmawati; Chartina Pidjath; Raudah Raudah
HUTAN TROPIKA Vol 18 No 1 (2023): Volume 18 Nomor 1 Tahun 2023
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v18i1.9392

Abstract

This study combined peat soil and rice husk charcoal which had been soaked using liquid organic fertilizer fermented grass and eggs as a planting medium to reduce the acidity of peat soils so as to improve the physical properties of the soil and reduce the use of inorganic fertilizers while maintaining plant productivity. The purpose of this study was to analyze the growth of Balangeran tillers (Shorea balangeran) in combination with peat and husk charcoal planting media which had been enriched by liquid organic fertilizer fermented grass and eggs at different doses and types of treatment. This study used a randomized block design (RBD) calculation method with four treatments consisting of three groups and each group consisted of 10 S. balangeran puppies or 120 seadlings. The results of observations on the height parameter showed that P1 (husk charcoal + 10% egg fermentation) showed the best plant height with an average value of 7.47 cm, P3 treatment (husk charcoal + 5% egg fermentation + 5% grass fermentation) showed the best stem diameter. with an average value of 1.66 mm, P1 (charcoal husk + 10% egg fermentation) showed the best number of leaves with an average value of 3.23 leaves.
Kearifan Lokal Pemanfaatan Tumbuhan Berkhasiat Obat Masyarakat Desa Tahawa Yanarita Yanarita; Yusintha Tanduh; Yosefin Ari Silvianingsih
HUTAN TROPIKA Vol 18 No 1 (2023): Volume 18 Nomor 1 Tahun 2023
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v18i1.9397

Abstract

The local wisdom in utilizing medicinal plants by the community of Tahawa Village in the tourist area of 'Sahai Tambi Balu' in Pulang Pisau Regency needs to be preserved as a form of conservation and to enhance the community's economy. The research was conducted using observation and in-depth interviews as the methods. The data analysis was done descriptively and qualitatively. The research findings in the tourist area of 'Sahai Tambi Balu' identified a total of 19 types of medicinal plants used by the community for treating various ailments. To collect medicinal plants from their natural habitat, certain protocols and permissions are required. Firstly, the community seeks permission from the Almighty God, and secondly, they seek permission from the medicinal plants themselves, as they are believed to possess a spirit or soul. Medicinal plants can provide benefits through their roots, stems, and leaves, each with its own method of usage. The manner of usage varies depending on whether it is for external or internal treatment, depending on the specific illness. Preserving the local wisdom of the community in harvesting medicinal plants is crucial for conservation efforts to protect the existence of these medicinal plants
Karakteristik Briket Arang dengan Komposisi Serbuk Kayu Sungkai (Peronema canescens) dan Kayu Ulin (Eusideroxylon zwageri) Wahyu Supriyati; Enti Rimma Silalahi; Nuwa Nuwa; Alpian Alpian
HUTAN TROPIKA Vol 18 No 1 (2023): Volume 18 Nomor 1 Tahun 2023
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v18i1.9398

Abstract

Energy potential and reserves such as petroleum and natural gas available in the bowels of the earth are running low, so alternative energy is needed. Charcoal briquettes are one of the non-oil and gas energy sources that have a high enough potential to meet future needs other than oil and natural gas. Sawmills in the furniture industry produce sawdust of sungkai (Peronema canesens) and ironwood (Eusyderoxylon zwageri) wood powder which can be used as raw materials for making charcoal briquettes. The purpose of this study was to determine the quality of charcoal briquettes produced from the waste composition of sungkai sawdust and ironwood sawdust. The average test results for the physical, chemical and mechanical properties of each test treatment complied with SNI (01-62365-2000) except for density and volatile matter. The best quality of charcoal briquettes was found in treatment K1 (0% Sungkai and 100% Ulin) with density of 0.57 (g/cm3), compressive strength of 65.76 kg/cm2, moisture content of 4.08%, volatile matter content of 29 .76%, ash content 1.20%, fixed carbon content 62.77% and calorific value 6869.71 cal/g.
The Effect of Urbanization on The Stand Structure of A Mangrove Forest in Likas Bay, Sabah Malaysia Andy R. Mojiol
HUTAN TROPIKA Vol 18 No 1 (2023): Volume 18 Nomor 1 Tahun 2023
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v18i1.9699

Abstract

The aims of this study were to determine the effect of urbanization on species composition, change to stand structure and tree species on the mangrove stand between the housing development and the river. Two (2) plots were established, with five (5) subplots each measuring 10m x 10m. Simpson’s Index, Shannon-Weiner Index, Shannon evenness and Important Value Index (IVI) were used to determine the diversity and abundance of tree species. There are 4 species found in both plots which are Avicennia alba, Avicennia marina, Rhizophora mucronata and Rhizophora apiculata. The most abundant species is the R. apiculata with an IVI of 86.99 percent (%). The Simpson’s Index value calculated for the forest was 0.75, while the value for the Shannon-Weiner (H’) was 1.38. This indicates the area has low diversity in mangrove trees. The Shannon evenness (E) was 0.99. This means the area is completely covered in standing trees. In this study, the stand structure was measured using tree Diameter at Breast Height (DBH), height and crown size. The data indicates that mangrove trees approaching the housing developments experienced a steady decrease in DBH, height, and crown size. Trees in the middle of the forest had the largest DBH and height. The DBH and height of trees approaching the river steadily decreased but had larger crowns compared to the other subplots. Whereas, water quality and the presence of sediments were two other additional aspects used to measure the impact of housing developments on mangrove forests. Urbanization projects do not leave any noticeable impact on the clearness of water in mangrove forests, but does for sediments. As a conclusion, urbanization project such as housing development do leave an impact on mangrove forests in the Likas bay, Malaysia. More future studies will shed more light on how housing developments impact mangrove forests
Penentuan Waktu Sadap Getah Pantung (Dyera lowii) di Lahan Rawa Gambut Wahyudi Wahyudi; Antonius Triyadi; Nursiah Nursiah
HUTAN TROPIKA Vol 18 No 1 (2023): Volume 18 Nomor 1 Tahun 2023
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v18i1.9700

Abstract

Pantung tree (Dyera lowii) is a critically endangered species that grows in peat swamps. Pantung cultivation is not only for commercial purposes but also for species conservation, reforestation and rehabilitation of degraded peat swamp land. One of the benefits of the pantung plant is to use its sap as a material for making pencil erasers, rubber toys and others. This study aims to determine the tapping time of pantung plant sap based on its growth rate. Based on the results of this study, the growth in diameter and height of pantung plants can be described through polynomial equations, i.e: y = -3.825941 + 4.1244995x + (-0.140316)x2 and y = 3.562047 + 0.212857x + 0.72187x2 respectively: The time for tapping pantung plant sap in peat swamp land is when the plant has reached a diameter of 20 cm or has reached a height of 12 meters. Based on the polynomial equation, the tapping time for pantung plant sap is 8 years old, when the pantung plant reaches a diameter of 20.42 cm; or at the age of 10 years, when the plant reaches a height of 12.91 meters
Model Pertumbuhan Polinomial Tanaman Meranti (Shorea spp) pada Sistem Tebang Pilih Tanam Jalur di PT Sari Bumi Kusuma Endah Winarni; Wahyudi Wahyudi; Bhayu Rhama
HUTAN TROPIKA Vol 18 No 1 (2023): Volume 18 Nomor 1 Tahun 2023
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v18i1.9702

Abstract

Meranti (Shorea spp) is a commercial trees that dominates the lowland tropical rainforests of Indonesia. Harvesting of this species has been carried out since the early 70's until now, but efforts to cultivate meranti are still very few. The silvicultural system of TPTJ with silin technique has placed meranti as species that must be planted by companies of forest concession. This study aims to construct a polynomial growth model for meranti at PT Sari Bumi Kusuma, so as to be able to predict the achievement of diameter, branch-free height and total height of meranti plants at a certain time. Meranti plants at PT Sari Bumi Kusuma have a diameter growth model: Y= 0.6076 + 0.3067X + 0.0524X2 (R2 : 94.74%), a branch-free height growth model: Y=0.0315+0.4787X+ 0.0081X2 (R2 : 89.53 %) and total height growth model: Y=0.4957+0.758X+0.0138X2 (R2 : 93.78%). The TPTJ system has a cutting cycle of 25 years with a limited diameter of harvested trees is 40 cm. Based on the results of this modeling, most of these trees have reached a diameter of 41.03 cm; branch-free height of 17.06 m and a total height of 28.07 m, so that it is ready to be harvested at the age of 25 years
Daya Kecambah Benih Rotan Jernang (Daemonorops draco Blume) dengan Perlakuan Perendaman Zat Pengatur Tumbuh Atonik Johanna Maria Rotinsulu; Reni Rahmawati; Nuwa Nuwa
HUTAN TROPIKA Vol 18 No 1 (2023): Volume 18 Nomor 1 Tahun 2023
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v18i1.9744

Abstract

Good germination of rattan jernang (Daemonorops draco Blume) seeds will increase germination power, germination rate, and germination value. However, there are still obstacles to germination, because the jernang rattan seeds have a dormancy period. Soaking in Atonic Growth Regulatory Substances (ZPT) is one method that can be used to break thedormancy period of seeds. This study aims to determine the dose and soaking time on the germination value of jernang rattan seeds (D. draco Blume). The study used four treatments and 3 groups/replications. The treatment in this study was the dose of ZPT Atonik, namely 50 CC/Liter, 80 CC/liter, 120 CC/liter, 150 CC/liter. Grouped by immersion time, 24 hours, 48 ​​hours and 72 hours. The results showed that the best germination percentage of German rattan (D.draco Blume) seeds were treated with ZPT Atonik dose of 120 cc/liter and soaked for 48 hours with a percentage of 100%. The best seed germination rate was at 150CC/liter treatment and 24 hours of soaking time, which was 50%/day. The highest germination value was found in seeds treated with ZPT 120CC/liter and soaking for 48 hours with an average of 0.0036%/ day. The conclusion of this study is that the ZPT Atonik dose of 120 CC/liter and 48 hours of soaking time has an effect on the percentage of germination power and germination value, while the ZPT dose of 150 CC/liter with 24 hours of soaking time increases the germination rate
Waktu Kering Angin Pada Daun dan Tangkai Terhadap Mutu dan Rendemen Minyak Nilam Aceh (Pogostemon cablin Benth) Nuwa Nuwa
HUTAN TROPIKA Vol 18 No 1 (2023): Volume 18 Nomor 1 Tahun 2023
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v18i1.9762

Abstract

Study of the yield and quality of Aceh patchouli oil from leaves and stalks at several drying times, in Bukit Batu, Palangka Raya City, Central Kalimantan. Treatment of drying time patchouli leaves and stalks to a certain extent can increase the yield of patchouli oil produced. 4 days drying treatment leaves produced the highest yield of 5.17%, stalks for 8 days produced the highest yield of 3.78% decreasing with the longer drying time. The lowest yields without desiccation (control) on leaves and stalks were 1.4% and 1.16%. Drying time treatment of patchouli leaves and stalks to some extent increased the patchouly alcohol content of patchouli oil produced. Drying time treatment for 8 days produced the highest patchouly alcohol in leaves (31.48%) and stalks (29.71%) then decreased with the longer drying time. The lowest patchouly alcohol content in the control treatment 22.94% and 19.73% in the leaves and stalks. Physical and chemical properties of patchouli oil characteristics (color, optical rotation, specific gravity, refractive index and patchouly alcohol), that the quality of patchouli oil produced by the control is low. Quality requirements of patchouli oil based on SNI No. 06-2385-1991
Potensi Wisata Di Kecamatan Dusun Selatan Kabupaten Barito Selatan Noor Hamidah; Mahdi Santoso; Noor Mahmudah
HUTAN TROPIKA Vol 18 No 1 (2023): Volume 18 Nomor 1 Tahun 2023
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v18i1.9824

Abstract

South Barito Regency is located in Central Kalimantan Province which has potential in the tourism sector. One of the districts as a tourist attraction in South Barito Regency is Dusun Selatan District. Tourist attractions include natural attractions, sports attractions, man-made attractions and special interest attractions. There are twenty one tourist objects in Dusun Selatan District, with developing tourist areas namely natural tourism, man-made tourism and cultural tourism. The aim of the research is to identify the tourism development potential of Dusun Selatan District, South Barito Regency from various natural resources, cultural tourism and artificial tourism. The tourism potential in several villages in Dusun Selatan District is an opportunity for the development of a tourist area in South Barito Regency. The research method uses qualitative methods based on data from literature studies and observations, to process the analysis and synthesis of tourism potential with reference to regional analysis through the SWOT analysis tool. The results of the research include: location analysis, existing potential analysis, and tourism development analysis

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