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ULIN: Jurnal Hutan Tropis
Published by Universitas Mulawarman
ISSN : 25991205     EISSN : 25991183     DOI : -
Core Subject : Social,
Environmental Science
ULIN: Jurnal Hutan Tropis published by Forestry Faculty of Mulawarman University, which is published twice a year in March and September with p-issn 2599-1205 and e-issn 2599-1183. It contains articles of research or study of literature in the field of Forest Management, Forest Conservation, Silviculture, and Forest Product. Language used for full article in this journal is Bahasa Indonesia, abstract in English and Bahasa Indonesia.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 6 Documents
 1 
Search results for , issue "Vol 5, No 1 (2021)" : 6 Documents clear
Ciri Makroskopis, Kekerasan dan Berat Jenis Fosil Kayu Asal Desa Purwajaya Kutai Kartanegara Robin Sulistyo; Nani Husien; Erwin Erwin; Agus Sulistyo Budi
ULIN: Jurnal Hutan Tropis Vol 5, No 1 (2021)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (622.563 KB) | DOI: 10.32522/ujht.v5i1.5408

Abstract

The results showed that macroscopically the studied wood fossils had brick red, gray, yellow, brown, and black in the first sample (FKA), and the second sample (FKB) had white, gray, and light brown colors, which this color difference was probably due to the cells being mixed with other inorganic elements even though they were found in adjacent locations. Another observation of the macroscopic features of the two samples indicated that cells were still obviously visible as on normal wood, such as pores, rays, and axial intercellular canal. Based on the characteristics of AIC, it was found to have general features that were often found in several types of wood in the Dipterocarpaceae family. The results of measuring the hardness value, the two fossil samples have the same hardness value, namely 4 Mohs scale. For the meantime, the specific gravity of the FKA and FKB samples were 2.54 and 2.35, respectively. 
Kinerja Lembaga Pengelola Hutan Desa Muara Danau Kabupaten Muara Enim, Provinsi Sumatera Selatan Fito Apriandana; Rahmat Safe'i; Indra Gumay Febryano; Hari Kaskoyo
ULIN: Jurnal Hutan Tropis Vol 5, No 1 (2021)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (556.086 KB) | DOI: 10.32522/ujht.v5i1.4413

Abstract

The existence of the LPHD is considered important, because it can improve the standard of living of the community around the forest area as well as be able to maintain the stability of the forest ecosystem, one of which is the LPHD Muara Danau, but its management is still considered not optimal in developing agroforestry businesses. This study aims to analyze the performance of the LPHD Muara Danau in village forest management. The research methodology are interviews, observation, and documentation studies. The data obtained were analyzed descriptively. Results showed that the performance of the Muara Danau LPHD was categorized as quite good, this was seen from three aspects, namely institutional, area and business management. The institutional management aspect is measured based on the participation of the management and LPHD members in participating in the activities as many as >75% of the members are present in the activity (91%) and the type of binding group rules in the form of (AD/ART) and unwritten rules (84%) and area management is measured based on types of forest resource conservation activities carried out were 52 people (95%) and the impact that was felt by 2-4 impacts on the environment from Village Forest management was 48 people (87%). However, business management has not yet achieved optimal results, measured based on the absence of local institutions (cooperatives) that carry out marketing of forest products. LPHD agroforestry business development needs to be increased in order to maximize the marketing of forest products.
Pemanfaatan Getah Pinus dan Perannya Terhadap Penghidupan Masyarakat di Provinsi Sulawesi Selatan Tajuddin Tajuddin
ULIN: Jurnal Hutan Tropis Vol 5, No 1 (2021)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (427.797 KB) | DOI: 10.32522/ujht.v5i1.4151

Abstract

Pine forest in South Sulawesi is one of the evidence of successful reforestation and has been utilized by the community in the form of tapping pine resin. This article explains the permits types of the utilization/collection of pine resin by the community, the role of pine resin in community livelihoods, and various problems in the utilization of pine resin by the community in South Sulawesi. Qualitative/quantitative descriptive analysis is used to analyze primary data obtained through interviews and secondary data analysis obtained from relevant agencies. We found that the utilization/collection of pine resin in South Sulawesi by the community used four schemes or permits types, namely: Business License for Non-Timber Forest Product Utilization, Licence for Collection of Non-Timber Forest Products, Social Forestry Schemes Permits, and Cooperation of Forest Utilization. Furthermore, for the community livelihoods, utilization/collection of pine resin has provided extra incomes and employment for local communities and workers from outside. However, labor limitations, fluctuations in the price of pine resin, relying on the community on business partners, and tapping techniques that contradict the principle of forest sustainability is still becoming the problems in the utilization/collection of pine resin in South Sulawesi.
Skrining Fitokimia dan Toksisitas dari Ekstrak Daun Pecut Kuda (Stachytarpheta jamaicenesis (L.) Vahl) Irawan Wijaya Kusuma; Erwin Erwin; Muhammad Wildan Rizqi Miftahussanadi
ULIN: Jurnal Hutan Tropis Vol 5, No 1 (2021)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (192.852 KB) | DOI: 10.32522/ujht.v5i1.5048

Abstract

The Pecut kuda plant is one of the plants of the genus Stachytarpheta which is found in tropical regions, including Indonesia. In Indonesia this plant is found in East Kalimantan which grows wild. This study aims to determine the type of secondary metabolites and the level of toxicity of the leaves of horse whip (Stachytarpheta jamaicenesis (L.) Vahl). The research stages were sample drying, sample maceration, filtered, concentrated with a rotary evaporator, phytochemical and toxicity tests using linear regression values to determine the LC50 value with SAS probit analysis. Phytochemical test results showed that the pecut horse leaf extract in the n-hexane fraction contained flavonoids, quinones and steroids, the ethyl acetate fraction contained alkaloids, steroids, saponins, flavonoids and quinones and the methanol fraction contained phenolic flavonoids, quinones and saponins. The results of the toxicity test on Artemia salina L. shrimp larvae in the fraction of n-hexane, ethyl acetate and methanol obtained LC50 values of 0.036 ppm, 5.24 ppm and 29.51 ppm, respectively. Based on the LC50 value, it can be concluded that the three fractions are very toxic, but the most toxic is the n-hexane fraction (LC50 = 0.036 ppm).
Penggunaan Citra DEMNAS untuk Desain Pola Tanam Alley Cropping pada Lahan Garapan Anggota KPPH Talang Mulya Kabupaten Pesawaran Provinsi Lampung Trio Santoso; Machya Kartika Tsani; Surnayati Surnayati; Melya Riniarti
ULIN: Jurnal Hutan Tropis Vol 5, No 1 (2021)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (328.688 KB) | DOI: 10.32522/ujht.v5i1.4390

Abstract

Talang Mulya KPPH farmers has been applying agroforestry system for their land cultivation, but the cropping pattern applied has not been adapted to its sloping conditions and plant spacing which result on non-optimal yields produce. Alley Cropping pattern consider as the most suitable approach. Current analysis can be carried out using mapping techniques and remote sensing using digital elevation data imagery. The DEMNAS imagery was used in this study, results showed that the mean altitude reached 396.67 masl and land slope reached 20.92% in average. The design of the cropping pattern using 1 meter height intervals shows the results of the number of planting arrays of 31.96 strips with 3,564.96 meters in length which is higher than the land with a height interval of 2 meters which results in a total of 10.6 strips with and 942.97 meter lengths. However, the field of agricultural cultivation that can be formed on land with 1 meter height intervals only reaches 4.94 meters, while at 2 meters height intervals it can reach 16.03 meters.
Pertumbuhan Ulin (Eusideroxylon zwageri Teijsm & Binn.) dari Beberapa Provenans Di KHDTK Samboja, Kalimantan Timur Burhanuddin Adman; Mira Kumala Ningsih; Teguh Teguh; Zainal Arifin; Yustinus Iriyanto; Dwi Wahyu Mentari; Nanda Farhazakia
ULIN: Jurnal Hutan Tropis Vol 5, No 1 (2021)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (789.747 KB) | DOI: 10.32522/ujht.v5i1.4284

Abstract

The high conservation status of ironwood (Eusideroxylon zwageri Teijsm & Binn.) causes conservation efforts need to be carried out immediately. Balitek KSDA has carried out ulin conservation efforts by building ulin ex-situ conservation plots in the Samboja KHDTK with seeds from the Sungai Wain, Sangatta and Berau. This study was conducted to evaluate the variation of ironwood plant growth from these three provenances in the Samboja KHDTK. The results showed that the average survival rate of ironwood plant was 79.12% and there were no differences in the three provenances. Plants from Sangatta have the best height and diameter growth compared to the Sungai Wain and Berau, which is 83.48 cm and 0.61 cm.

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