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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 7 Documents
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Search results for , issue "Vol 3, No 1 (2019)" : 7 Documents clear
KOMUNITAS TUMBUHAN BAWAH DI KAWASAN HUTAN BUKIT TAPAK, LESUNG DAN MANGU BEDUGUL BALI Sutomo Sutomo; I Dewa Putu Darma
ULIN: Jurnal Hutan Tropis Vol 3, No 1 (2019)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (150.071 KB) | DOI: 10.32522/ujht.v3i1.1644

Abstract

      Penelitian dilakukan di kawasan  hutan Bk. Tapak, Lesung dan Mangu dengan metode transek.  Transek dibuat secara sistematik  disebelah kiri dan kanan pada lajur atau punggung bukit yang menuju arah puncak. Hasil penelitian secara umum di kawasan hutan Bedugul Bali,Cypholopus lutescens  merupakan jenis  tumbuhan bawah yang paling melimpah dan mempunyai peranan tertinggi  dalam   ekosistem komunitas tumbuhan bawah  pada ketiga lokasi penlitian. 
REGENERASI ALAMI JENIS NON DIPTEROCARPACEAE DI HUTAN PENDIDIKAN FAHUTAN UNMUL (HPFU) SAMARINDA Rizky Isyarah; Paulus Matius; Sutedjo Sutedjo
ULIN: Jurnal Hutan Tropis Vol 3, No 1 (2019)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (292.05 KB) | DOI: 10.32522/ujht.v3i1.2119

Abstract

This study aims to determine the natural condition of Non Dipterocarpaceae regeneration. The object of this research are sapling and seedling in secondary forests of HPFU by making 5 transects with length 200 meters where its laid 5 x 5 meters sapling plot and 2 x 2 meter seedling plot systematically each on the right and left side. The transects was made purposively by considering areas that were still natural or had not been planted before. The results showed that regeneration was dominated by shrub habitus at both growth level, Fordia splendidissima (Miq.) Buijsen dominating the sapling level and Psychotria viridiflora Reinw. Ex Blume dominating the seedling level. However, the number of individuals at sapling stage is more bigger than the number of seedling. The Fabaceae and Rubiaceae family are most common in this location. The diversity index value is classified as high with a composition that is almost even but still dominated by several species. By comparing the data before burning from Riswan in 1987 with the current research in the same location, it can be concluded that the regeneration of Non Dipterocarpaceae in HPFU area has decreased and it represent the species degradation after forest fires.
SUHU DAN KELEMBABAN TANAH PADA TIGA PENGGUNAAN LAHAN DI KOTA SAMARINDA PROVINSI KALIMANTAN TIMUR Nurul Kamila Assolihat; Karyati Karyati; Muhammad Syafrudin
ULIN: Jurnal Hutan Tropis Vol 3, No 1 (2019)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (289.991 KB) | DOI: 10.32522/ujht.v3i1.2344

Abstract

The different land uses influence to the soil temperature and humidity in the different soil depths. The objective of this study was to know the soil temperature and humidity in the different soil depths (5 cm, 10 cm, 20 cm, and 30 cm) in three land uses (young secondary forest, settlement area, and open area). The average soil temperature in the young secondary forest were 27.6°C, 27.4°C, 27.0°C, dan 26.9°C. The average soil temperature in the soil depths of 5 cm, 10 cm, 20 cm, and 30 cm were 27.5°C, 27.4°C, 27.0°C, and 26.8°C in the settlement area. The average soil temperature in the open area were 27.6°C, 27.4°C, 27.0°C and 26.9°C. The average soil humidity in the young secondary forest were in depth of 5 cm, 10 cm, 20 cm and 30 cm were 78.5%, 78.8%, 79.1% and 79.4%. The average soil humidity in the settlement area were 76.4%, 78.5%, 79.3%, and 80.2% in the depths of 5 cm, 10 cm, 20 cm, and 30 cm. The average soil humidity in the depths of 5 cm, 10 cm, 20 cm, and 30 cm were 69.2%, 69.6%,  70.3%, dan 70.8% in the open area.
IDENTIFIKASI JENIS-JENIS SAMBUNGAN PADA KONSTRUKSI RUMAH PANGGUNG DI SAMARINDA Kusno Yuli Widiati; Maretha Silvana Hartanti
ULIN: Jurnal Hutan Tropis Vol 3, No 1 (2019)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (369.793 KB) | DOI: 10.32522/ujht.v3i1.2565

Abstract

The existence of a house on stilts when compared to residential houses of concrete can be said to be more environmentally friendly, especially in water catchment areas or marshy. However, the number of houses on stilts is decreasing. This is because the stigma of stilt houses which are generally made of wood is an average house for the lower classes, especially in urban areas. In addition to being more environmentally friendly, the stage house also has its own uniqueness, one of which is the shape and type of connections used to extend the dimensions of the wood material used. Therefore, to enrich the existing information, this study aims to identify the types of connections in the upper girder and stage bottom girders so that it is expected to help further research in the related field of research. This research uses descriptive qualitative method by using photo documentation and conducting interviews as supporting data. The results showed that there were several types of joints but generally used the connection of mortise and tenon, half lap, scarf joint, scarf joint with under-squinted ends and scarf joint with wedges which were aided by pegs, bolts and wood clamps.
Potensi dan Keragaman Tumbuhan Bawah Non-Kayu Di Lahan Bera Womnowi Distrik Sidey Manokwari Slamet Arif Susanto; Heru Joko Budirianto; Agatha Cecilia Maturbongs; Simeon Abdi Putra
ULIN: Jurnal Hutan Tropis Vol 3, No 1 (2019)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (23.099 KB) | DOI: 10.32522/ujht.v3i1.1878

Abstract

Selama proses suksesi tumbuhan bawah non-kayu berhubungan dengan vegetasi fase pohon yang melingkupi lahan suksesi. Lahan bera adalah salah satu model suksesi sekunder yang umum dijumpai di Papua. Penelitian telah dilakukan di lahan bera 15 tahun Womnowi, Sidey Manokwari untuk menentukan indeks nilai penting (INP), keanekaragaman, kemerataan, dan mendeskripsikan jenis berpotensi dari tumbuhan bawah non-kayu. Di lapangan Kami menggunakan metode continouse line sampling secara purposif dengan petak 2x2 m setiap 20x20 m. Kami menemukan 749 individu dari 41 jenis, INP tertinggi adalah Sellaginella wyldenowii (25.04%), Selaginella sp. (23.44%), dan Spathoglottis plicata (14.60%), indeks keanekaragaman Shannon-Weiner (Hʹ) adalah 3.13, dan indeks kemerataan (E) 0.84. Kami juga menemukan beberapa jenis anggrek dan Arecaceae yang unik, serta beberapa jenis yang dimanfaatkan oleh masyarakat lokal seperti Diplazium esculentum dan Pothos spp. Berdasarkan komposisi floristic dari analisis vegetasi tumbuhan bawah non-kayu kesimpulan sementara kami adalah tumbuhan bawah non-kayu yang ditemukan di lahan bera 15 tahun Womnowi, Sidey Manokwari adalah shade plant.Kata kunci:Lahan bera, analisis vegetasi, tumbuhan bawah non-kayu, potensi, Manokwari
UJICOBA PENANAMAN LADA - LADA (Micromelum minutum) UNTUK PEMBINAAN HABITAT KUPU – KUPU DI TAMAN NASIONAL BANTIMURUNG BULUSARAUNG Heri Suryanto
ULIN: Jurnal Hutan Tropis Vol 3, No 1 (2019)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (127.096 KB) | DOI: 10.32522/ujht.v3i1.1958

Abstract

Butterfly is a typical fauna in Bantimurung Bulusaraung National Park. Its population are more and more decreased in nature due to decreased of feed plant of butterfly caused by logging and encroachment. In order to get effective and efficient method, research was conducted. Butterfly improvement research in Bantimurung Bulusaraung National Park  was carried out in the evaluation of plant growth. Planting trials were carried out in using the Randomysed Completely Block Design (RCBD) method with 4 levels of fertilization treatment, i.e control, 300gr fertilizer dosage for planting holes, 600 gr for planting holes and 900 g for planting holes. The results showed that the best dose of manure in Micromelum minutum 600 gr treatment gave the best value of number of leaves. Chlorosis made growth of the plants were not optimal due to fast drainase of the soil.
UJI POTENSI EKSTRAK DAUN TANAMAN KETEPENG (Cassia alata L) DALAM MENGHAMBAT PERTUMBUHAN BAKTERI Ralstonia solanacearum dan Streptococcus sobrinus Saat Egra; Mardiana Mardiana; Ana Kurnia; Kartina Kartina; Aditya Murtilaksono; Harlinda Kuspradini
ULIN: Jurnal Hutan Tropis Vol 3, No 1 (2019)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32522/ujht.v3i1.2059

Abstract

Ketepeng (Cassia alata L.) was a group of plants included in the Magnoliophyta division which can be found in tropical or subtropical areas. The purpose of this study was to determine the potential of Ketepeng leaves to inhibit the growth of R. solanacearum and S. sobrinus bacteria. The method used in this study is agar well diffusion with 3 replications. The sample used was Ketepeng leaf extract with several concentrations of 0.5%, 1%, 2%. Positive controls in this study were Chloramphenicol and negative control of 40% ethanol. The variables calculated are the calculation of water content, percentage of yield and percentage of area diameter barriers (DDH). In addition, the DDH results show the ethanol extract of Ketepeng leaves at concentrations of 0.5% and 1% not able to inhibit the growth of R. solanacearum, but at a concentration of 2% able to inhibit R.solanacearum with a diameter of 11,7 mm and the ethanol extract of Ketepeng leaves at concentrations was able to inhibit the growth of S. sobrinus bacteria with the highest diameter of 16 mm at a concentration of 2%. 

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