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Jurusan Kehutanan Fakultas Pertanian Universitas Palangka Raya Jl. Yos Sudarso, Palangka Raya, Kalimantan Tengah, 73111
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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 14 Documents
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Search results for , issue "Volume 14 Nomor 1 Tahun 2019" : 14 Documents clear
Prestasi Kerja Karyawan Meubel di Komplek Industri Kota Palangka Raya (Work Achievement of Furniture Employees in an Industrial Complex Palangka Raya City) Surasana, I Nyoman; Dulamin, Jumri; Dolit
Jurnal Hutan Tropika Volume 14 Nomor 1 Tahun 2019
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v14i1.331

Abstract

The research objectives were to find out: skill levels, work achievement (in producing tables, cabinets, and doors), differences in work achievement, and wage rates received by employees in each type of product. The study used the Non Stop Method and analyzed the data with the t-Test. The results showed that the highest average work unit (unit /week) on door products (4.25), following wardrobe products (4.16) and the smallest on table products (4.06). The more skilled the employee, the greater the work achievement, and vice versa. Employee achievement II (medium skills) on desk and cupboard products> employee I (less skilled) at ? 5%, employee achievement III (skilled) on wardrobe products> employee I at ? 1%. In the product door, employee achievement II> employee I at ? 1%, and employee achievement III> employee I at ? 5%. Based on the level of wages received by employees (Rp. / week) the most unattractive product to beworked on (produced) is a table.
Identifikasi, Frekwensi dan Intensitas Serangan Hama Penyakit pada Shorea balangeran (Korth.) Burck pada Persemaian BPDASHL Kahayan, Tumbang Nusa, Kalimantan Tengah (Identification, Frequency and Intensity of Pets Attacks on Shorea balangeran (Korth.) Bur Saragi, Suryati Marito; Firdara, Eritha K; Putir, Patricia E
Jurnal Hutan Tropika Volume 14 Nomor 1 Tahun 2019
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v14i1.332

Abstract

Shorea balangeran is native species of peat swamp forests that have a relatively faster growth than other tress in the same place. This species is in the category of critically endangered (CR). The purpose of this research is to identify the damage level of Shorea balangeran that be caused by pests and diseases. The research was conducted in Nurseryof Watershed Management Agency and Protection Forest of Kahayan. Research method used simple random sampling with amount of samples were 800 Shorea balangeran. The research were conducted start from May to December, 2016. The results of research show the some pests and diseases that attack Shorea balangeran, they ar grasshopper, caterpillars fire, leaf spot disease, sooty mold, leaf rust, and leaf galls. They are sequentially caused by Catantops splendens, Thosea sp., Pestalotia sp., Capnodium sp., Hemileia sp., and the pests from Order Hymenoptera. The intensity of pest attack in Shorea balangeran is 5.88% and a frequency 1.5%. The intensity of disease is 19.1% and a frequency 58.5%. Both combination are 7.13% and 2.65%.
Pengaruh Bagian Kayu dan Ketebalan Stiker pada Pengeringan Alami terhadap Sifat Fisika Kayu Gerunggang (Cratoxylon arborescens Bl.) Luhan, Gimson; Damiri, M; Joni, Herwyn; Yanciluk; Mujaffar, Ahmad
Jurnal Hutan Tropika Volume 14 Nomor 1 Tahun 2019
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v14i1.333

Abstract

The existence of the wood needs to be considered so that the use of wood for a particular use needs to pay attention to the quality of wood, both for wood for building materials, furniture, panels, crafts and so on. The weakness of wood compared to substitutes such as metal and concrete is its hygroscopic nature. The aim of this study was to determinethe effect of wood parts treatment on axial direction and sticker thickness on natural drying time on changes in the physical properties of gerunggang wood (Cratoxylon arborescens Bl.). While the expected benefits are as information material for the wood processing industry and wood users to be able to dry the wood properly. The research was conducted at the Forest Products Technology Laboratory for 3 months. Cutting is done by dividing the length of the stem into 3 (three) equal parts in the axial position, namely the base (a1), middle (a2) and end (a3), each cut length ± 2 m for the board (example drying test) ) with ± 2 cm thick and ± 15 cm long for example test of moisture content, specific gravity and shrinkage. The results showed that the average value of fresh water content, saturated point moisture content, and air dry water content had a tendency to decrease in value from the base to the end of the stem. The natural dryingtime has an average tendency to dry more quickly from the base to the end of the stem, with drying times ranging from 28-40 days or an average of 33 days. The end of the wood with a thickness of 3,5 cm sticker dries faster (25 days) with a defect 1 broken edge. Parts of wood with a sticker thickness of 3,5 cm dries faster than the thickness of the stickers 2,5 cm and 1,5 cm. The results of measurements of (BJ) density of gerunggang wood averaged 0,55 including the medium group (BJ 0,4-0,6). Specific gravity has a tendency to increase in value from the base to the end of the rod with an uneven pattern including type 3. The tangential and radial direction shrinkage ratio of 1,88 is included in the medium classification, then gerunggang wood can be used for boards and lightweight construction under the roof, crates, furniture, plywood andconcrete molds. It is recommended to conduct further research on the possibility of using gerunggang wood for artificial boards.Keywords: drying, wood parts, physical properties, gerunggang.
Willingness to Pay For Mangroves Conservation By The Local Communities in Salut Mengkabong Lagoon, Tuaran Sabah Andy R Mojiol; Kuan Yen Hong; Ejria Saleh
HUTAN TROPIKA Vol 14 No 1 (2019): Volume 14 Nomor 1 Tahun 2019
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v14i1.310

Abstract

This research aimed to investigate the Willingness to Pay (WTP) for mangrove conservation of local communities at Salut Mengkabong Lagoon, Tuaran based on the amount of fees imposed on them. The content is based on questionnaire survey provided to local communities from Mangrove Forest Produce (MFP) to their perception in conservation programme. The survey was conducted with a priod of 7 month started from September 2016 until March 2017. Contingent Valuation Method (CVM) was used to calculate the Willingness to Pay (WTP) whereby 100 respondents were asked to complete the questionnaire. From the analysis, it showed that the WTP of local communities were affected by their monthly income. Regression model analysis with WTP = -0.087* (monthly income) + 1.789 has been formed. Whereas, the value of mangrove forest produce (MFP) in Salut Mengkabong Lagoon has been calculated with atotal of RM728 for the direct product while for the non-direct products such as crab, bivalves, seashells and fishes cost about RM721 to RM2472 in a year. The study documented mangrove forest contribution to local communities in Salut Mengkabong Lagoon such as timber; Rhizophora mucronata and Avicennia spp, Seafood; Scylla serrata, Geloina coaxans, various type of fishes and seashell. From the result, it was hope that this study can promote a win-win situation to both local community and stakeholders to come out with an effective supervision to ensure the long-lasting dependency of local communities to the mangrove forests without undermining their socio-economic wellbeing.

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