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All Journal JURNAL HUTAN LESTARI JURNAL PENGABDI Jurnal Teknik Indonesia Jurnal Polimesin Jurnal Penelitian Hasil Hutan
M. Dirhamsyah
Fakultas Kehutanan Universitas Tanjungpura
Agriculture, Biological Sciences & Forestry Automotive Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Social Sciences Transportation

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KEANEKARAGAMAN JENIS IKAN DI SUNGAI EMBALOH DESA BANUA UJUNG KECAMATAN EMBALOH HULU KABUPATEN KAPUAS HULU Ajai, Odilo Noplantino; Anwari, M Sofwan; Dirhamsyah, M
JURNAL HUTAN LESTARI Vol 8, No 1 (2020): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v8i1.39291

Abstract

The condition of Embaloh River is still well maintained, with clear water and a large variety of fishes. This is because the forest around Embaloh River is still dense; there is no deforestation, mining, and palm oil garden. In such a condition, the river is capable of maintaining a large variety of fishes that have not listed yet. Therefore, this research has the purpose of studying the variety of fishes in Embaloh River, and also to categorize the fishes based on their benefits, whether as decorative fishes, to be eaten, or even as a decorative fish and also to be eaten. The research was conducted on the Embaloh River, Banua Ujung Village, Embaloh Hulu District, Kapuas Hulu Regency. Research Data is obtained by the use of fishing equipment such as mesh, Bubu, Sauk, trawler, burst, and Talom. The method of research using the survey method, the selection of observation stations conducted with (purposive sampling) based on consideration of environmental conditions of the water. This location is made 3 (three) stations on the Embaloh River and 1 (one) station is on the lake (oxbow) called Lake Loane. Lake Loane is a stream of the Embaloh River Moreover, fish of species taken from Embaloh River and Loane Lake, which water from Embaloh River flows to, consist of several families of fish; Cobitidae (1 species), Cyprinidae (13 species), Elopidae (1 species), Grynocheilidae (1 species), Helostomatidae (1 species), Osphronemidae (2 species), Polynemidae (1 species), Pristolepididae (1 species), Sisoridae (1 species), and Syngnathidae (1 species).Keywords: Banua Ujung Village, Embaloh River, Fish Species Diversity, Loane Lake.
SIFAT FISIK DAN MEKANIK PAPAN SEMEN PARTIKEL DARI LIMBAH FINIR BERDASARKAN KOMPOSISI BAHAN DAN UKURAN PARTIKEL Saraswaty, Dhian; Dirhamsyah, M; Indrayani, Yuliati
JURNAL HUTAN LESTARI Vol 6, No 4 (2018): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v6i4.29281

Abstract

This study aims were to examine the effect of material composition, particle size and the interaction of both factors on the physical and mechanical properties of particle-cement board from veneer waste, and to determine  the optimal material composition and particle size of particle-cement board accordance to JIS A 5417:1992. The research were conducted at Wood Workhsop Laboratory, Wood Technology Laboratory, Wood Processing Laboratory of Tanjungpura University and Laboratory of PT. Duta Pertiwi Nusantara Pontianak. The materials used were veneer waste, portland cement-type 1 (Holcim), 70% of tap water from weight of cement  and 5% of MgCl2 from weight of cement. The data were analyzed using a factorial experiment in random design complete (RDC) which consists of two factors. Factor A was material composition (cement:particle) consists of 75:25, 80:20, 85:15. Factor B was particle size consist of 20 mesh and 40 mesh. The board were made with size of 30 cm x 30 cm x 1 cm and with target density of 1 gr/cm3. The pressing was done by manual cold press for 10 minutes, followed by clamping the board for 24 hours with iron clamp. The result showed that the material composition and the interaction of both factors had significant effects on density, moisture content, thickness swelling, MOE and MOR. The particle size factor had  significant effects on density, moisture content, thickness swelling, water arbsoption, MOE and MOR. The board produced which fullfil the JIS A 5417:1992 was made with the treatment with composition cement:particle (85:15) and particle size is 40 mesh.Keyword: material composition, particle size, particle-cement board, physical and mechanical properties, veneer waste.
PERSEPSI MASYARAKAT TERHADAP KEBERADAAN HUTAN MANGROVE DI DESA DUSUN BESAR KECAMATAN PULAU MAYA KABUPATEN KAYONG UTARA Utami, Hilda Femilia; Muin, Sudirman; Dirhamsyah, M
JURNAL HUTAN LESTARI Vol 8, No 2 (2020): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v8i2.40075

Abstract

A coastal ecosystem that must be maintained as a provider of natural resources and as a life support system is called a mangrove forest. There is a connection between the society and the presence of mangrove forests that can not be separated which causes a public perception of the existence of mangrove forests. This study aims to examine the social perceptions of the existence of mangrove forests and analyze the relationship between the level of education, income level, and the level of dependence on mangrove forests with social perceptions of the existence of mangrove forests in Dusun Besar village, Pulau Maya District, North Kayong Regency. This study uses a survey method with interviews and questionnaires containing several questions asked to respondents, and data collected by using purposive random sampling. Data is analyzed by using descriptive analysis of the Chi-Square test and inferential analysis using nonparametric statistical tests of the Kendall Tau correlation. The number of respondents in this study is 92 people from 1.118 KK. The results of this study indicate that society perceptions tend to be positive (53,26%), low-income levels (55,43%), and high levels of dependency (54,35%). There is a positive and insignificant relationship between the level of education and perception (sig (2-tailed) amount of 0,697, the score of the correlation coefficient is 0,037). There is a positive and significant relationship between the level of income and perception (sig (2-tailed) amount of 0,031, the score of the correlation coefficient is 0,183), and there is a positive and significant relationship between the level of dependency and perception (sig (2-tailed) amount of 0,000, the score of the correlation coefficient is 0,420).Keywords: Dusun Besar Village, mangrove forest, perception.
KUALITAS PAPAN PARTIKEL PALEM EKOR TUPAI (Wodyetia bifurcata) DAN KAYU AKASIA (Acacia mangium) BERDASARKAN KOMPOSISI BAHAN BAKU DAN KONSENTRASI PEREKAT Sinaga, Kiki; Dirhamsyah, M; Yani, Ahmad
JURNAL HUTAN LESTARI Vol 5, No 2 (2017): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v5i2.20458

Abstract

The objective of this study is to investigate the influence of raw material from foxtail palm and acacia wood, and adhesive concentrate of urea formaldehyde composition for producing high quality of particle board. To compare the result quality standard of JIS A5908-2003 is utilized. The stages of research started by selecting the particle size, particle board mixing and formation to the test. The components that form the particle board are acacia wood, foxtail palm and urea formaldehyde. It is expected the amalgam of both wood particles have density of 0,7 gr/cm³. Specimens were made with the composition variation of 100% foxtail palm, 70% foxtail palm : 30% acacia wood, 50% foxtail palm : 50% acacia wood and with adhesive concentrations of 10%, 12% and 14%, those amalgams are then heated in 140ºC by pressure of 25 kg/cm³ for 10 minutes. The particle board is tested physically and mechanically. Of the variations in composition and adhesive concentration, the composition of 70% foxtail palm: 30% acacia wood with a concentration of 14% was good to be used in the manufacture of foxtail palm particle board. The foxtail palm particle board: acacia wood has an optimum modulus of elasticity value of 12661,7347 kg/cm² and the optimum modulus of rapture of 183,4028 kg/cm². In general, foxtail palm particle board: acacia wood meets the JIS A 5908-2003 standards except the value of the MOE. Keywords: Adhesive concentratio, Foxtail palm and Acacia wood, Particle board, Raw material composition
SIFAT FISIK-MEKANIK PAPAN PARTIKEL DARI LIMBAH FINIR BERDASARKAN WAKTU KEMPA DAN KONSENTRASI UREA FORMALDEHIDA Aprillia, Aprillia; Dirhamsyah, M; Indrayani, Yuliati
JURNAL HUTAN LESTARI Vol 7, No 4 (2019): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v7i4.37861

Abstract

This study aims to examine the physical and mechanical properties of particle board from veneer waste based on the press time and concentration of urea formaldehyde, as well as to determine the best pressing time and adhesive concentration, so as to produce physical and mechanical properties that meet JIS A 5908: 2003 standards. The method used in this research were a factorial experiment in random design complete (RAL) with two factors are factor A (pressing time) consists of 7 minutes and 9 minutes, and factor B (urea formaldehyde concentration) consists of concentrations of 12%, 14% and 16%. The particle board size is 30 cm x 30 cm x 1 cm with a target density of 0,8g/cm3 and pressed at 165°C with a pressure of 30 kg/cm2. The results showed that density values 0,7640 gr/cm³, water content 8,4509%, water absorption 40,4108%, thickness development 9,9308%, MOE 19.290,5877 kg/cm², MOR 370,5011 kg/cm², IB 2,9925 kg/cm², the screw holding strength 146,7145 kg. In general, all test values meet the JIS A 5908: 2003 standards except thickness swelling and MOE. The best particle board is a particle board made of with a pressing time of 9 minutes with a concentration of urea formaldehyde of 16%.Keywords: pressing time, urea formaldehyde concentration, particle board, veneer waste
SIFAT FISIK DAN MEKANIK PAPAN PARTIKEL SERAT KULIT BATANG SAGU (Metroxylon sago ROTTB.) BERDASARKAN UKURAN SERAT Handayani, Geni Saputri; Dirhamsyah, M; Nurhaida, .; Setyawati, Dina
JURNAL HUTAN LESTARI Vol 7, No 1 (2019): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v7i1.32687

Abstract

Wood is the most used basic material for daily life, such as material construction, furniture, appliances, and etcetera. This causes the increase of the necessity of wood in the other hand, the availability of wood are decrasing. On of the solutions for this problem is the particle-board from the agriculture waste which is sago. One of the sago parts which can be used is the sago bark. It contains more number of cellulose and lignin then dago dregs and it also contains bigger cellulose and lignin than woods, so it can be used as particle-board. The fibers used are 5 cm, 10 cm, and 15 cm. The citterate solution concentrate is 20% which was mixed with the particle-board. These particle mixtures were in an oven in 24 hours. The production of particle-board with the target of density 0,6 g/cm2 and forged in 1800 C within 15 minutes. The aim of this research is to find out the size of fibers for the particle-board. The best quality of particle board based on JIS 5908 standard is on the 10 cm fiber , with board mechanical characteristic  : the flexibility module 22801,8196 kgf/cm2, the fracture module 334,9006 kgf/cm2, and the screw holding strength 46,5448 kgf/cm2. The physical characteristic of water concentrate 10,6249 % and the water absorption 66,8314 %. The score of dense/thickness development and internal bonding did not quality JIS 5908 A (2008). In general, the result of the research showed that longer the size of fibers the better the quality would be produced. Keywords : fiber size, oven duration, particle-board, sago bark
PERSEPSI MASYARAKAT TERHADAP AKTIVITAS PENAMBANGAN GALIAN C DI BUKIT PENIRAMAN DESA PENIRAMAN KECAMATAN SUNGAI PINYUH KABUPATEN MEMPAWAH Sari, Mulyani Puspita; Muin, Sudirman; Dirhamsyah, M
JURNAL HUTAN LESTARI Vol 7, No 4 (2019): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v7i4.38501

Abstract

Perception is a process that involves the entry of messages or information into the human brain. Through perception, human could connect constantly with their environment. Peniraman Village has natural resource potential in the form of type C trenching (Stone and Soil) which gives rise to various perceptions from the community. This study aims to determine the community perception towards type C trenching activities in Peniraman Hill and find out the relationship between the level of education, income and cosmopolitan factors. This study uses a survey method with observation, interviews and questionnaires containing a number of questions asked to the respondents, The data is collected using purposive random sampling. Analysis of the data is using descriptive analysis of the chi square test and inferential analysis using nonparametric statistical tests of the Kendall Tau correlation. The respondents in this study is 68 people. The results of this study indicate that people's perceptions tend to be positive, the level of income level is low, the level of cosmopolitan is moderate. There is a positive and significant correlation between education level and perception, and there is no significant correlation and there is no relation between the level of income and cosmopolitan levels with the community perception.Keywords: Community Perception, Mining, Peniraman Village
PERSEPSI MASYARAKAT LOKAL TERHADAP USAHA TANI TANAMAN KARET PADA AREAL BEKAS PERLADANGAN DI DESA NYIIN KECAMATAN JELIMPO KABUPATEN LANDAK Erwin, Erwin; Zainal, Sofyan; Dirhamsyah, M
JURNAL HUTAN LESTARI Vol 8, No 1 (2020): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v8i1.39294

Abstract

Rubber gives an important role for the national economy, in West Kalimantan, most of the population work as rubber farmers, especially the community in Nyiin Village, Jelimpo sub-district, Landak district, is one of the villages that runs rubber plantations in the former cultivation area, which has been running since long time ago as the main livelihood to meet the needs of daily life.  Some of the problems that are faced by rubber farmers, during the rainy season the rubber farmers have difficulty in tapping rubber, also falling rubber prices nowadays. This affects for the economy and the amount of rubber latex produced by the public. While the prices of basic food are rising, to deal with such a problem the community tends to look for side jobs, such as working in oil palm companies, mining gold, and other jobs. This situation naturally raises perceptions in the local community in Nyiin Village as rubber tappers. The aim of this study to find out the perception of the local community on rubber farming in the former cultivation area and analyze the relationship between knowledge, age and cosmopolitan factors with the perception of the local community on rubber farming in the former cultivation area.  This research was carried out for 2 weeks effectively in the field, using descriptive and associative survey methods with interview techniques and questionnaire aids in the form that submitted to a number of respondents.  of 81 respondents 73 respondents (90.12%) had low perception, 8 respondents (9.88%) had moderate perception and 0 respondents had low perception of rubber farming.  It can be concluded that the people in Nyiin Village, Jelimpo sub-district, Landak district tend to have a low perception of rubber farming, this proves that the community feels the negative impact of the current rubber farming business, caused by the current low price of rubber.Keywords: Communities, Perception, Rubber
KAJIAN PEMANFAATAN TUMBUHAN OBAT OLEH MASYARAKAT DESA LABIAN IRA’ANG KECAMATAN BATANG LUPAR KABUPATEN KAPUAS HULU Tuah, Ignasius; Dirhamsyah, M; Tavita, Gusti Eva
JURNAL HUTAN LESTARI Vol 7, No 3 (2019): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v7i3.35159

Abstract

Medicinal plants are all types of plants that produce one or more active components that are used for health care and treatment or all parts of plants that are known or believed to have medicinal properties (Allo 2010). The purpose of this study was to determine the types of medicinal plants used by the community, to find out how to mix types of medicinal plants by the people of Labian Ira'ang Village, Batang Lupar Hulu District. This study used the Snowball Sampling technique or carried out in a chain manner by asking for information on the person who had been interviewed or contacted before and so on. Based on the results of research in the field, the people of Labian Ira'ang Village obtained 34 types of medicinal plants which were used for traditional medicine ingredients. The types of medicinal plants used are included in 24 families. The plant parts used by the people of Labian Ira’ang Village as medicine are roots, stems, fruit and leaves, flowers, sap, fruit, skin, rhizomes, tubers, young shoots and shoots. The most widely used part is the leaves of 16 types and the least used Are the seeds, sap, and flower Sofe ach type.Keywords:  Labian Ira'ang Village, Plant Type, Utilization
IDENTIFIKASI JENIS JAHE-JAHEAN LIAR (ZINGIBERACEAE) DI KAWASAN HUTAN LINDUNG GUNUNG AMBAWANG KECAMATAN KUBU KABUPATEN KUBU RAYA Suriyanto, Ignasius; Dirhamsyah, M.; kandar, Is
JURNAL HUTAN LESTARI Vol 4, No 1 (2016): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v4i1.14591

Abstract

Zingiberaceae is the family of flowering plants commonly known by the people of Indonesia as the Jahe-jahean. This plant is widely used for many things such as spices, medicine, ornamental plants, cosmetic ingredients, beverage ingredients, hair tonic, etc. The aim of the study is to know the species diversity of wild ginger in Gunung Ambawang Protected Forest Area, Kubu Raya Regency, West Kalimantan. The method of the reseacrh used exploration and specimen colection with observation in the research areas. According to the research in the field was found 10 species of wild Gingers who belong to the 7 different generaon the transect.The species that dominated in all of transect are Elettaria surculosa (K. Schum.) B.L. Burt & R.M. Sm. and Globba atrosanguinea Teijsm.& Binn. Keywords :Gunung Ambawang, Wild Gingers, Zingiberaceae.
Co-Authors . Fahrizal . Karina admin, Sri Purnama ahmad yani Ahmad Yani Ajai, Odilo Noplantino Anwari, M Sofwan Aprillia, Aprillia Ardian Arista Arianto, Ferdi Dwi ARIFIN, DEDE Augustine Lumangkun Azizah, Nadiatul Bagaskara, Arul Bija, Yosanti Ester Daeng Maulana, Daeng Depari, Edwar Dewi Roza, Dewi Dimas Hermawan, Dimas Dina Setyawati Eko Santoso Erianto, . Ernawati, Lisa Erwin Erwin Evi Wardenaar Evy Wardenaar Fah rizal Farah Diba Fathul Yusro Ferico, Febrianus Gusti Eva Tavita Hafiz Ardian Haliantika, Pela Handayani, Geni Saputri Hari Prayogo Harnani Husni Hasanuddin, Iskandar Herlina Darwati Husni Husni Is kandar Jeki Jeki Jo han Khadafi, M Kusuma, Ahmad Ary Luh Made Indah Sri Handari Adiputra Luh Putu Ratna Sundari M, Iskandar A Mardianto, . Mihar, Andreas Musaicho, Dodi Na bu Nur Haida Nurhaida Nurhaida Nurhaida, . Nurmala, Maya Nurul Huda Peterson, Peterson Ramadhan, Kisfargi KB Ratna Sari Rikardo, Riki Rino, . Saraswaty, Dhian Sari, Asmawati Wurya Sari, Mulyani Puspita Septian, Sy Tarmizi Siagian, Irma Dessy Sinaga, Kiki Siti Masitoh Kartikawati Sofyan Zainal Subarata, Flek Sudirman Muin Sumarlin, Donni Suriyanto, Ignasius Syaifudin, Muhammad Aprizal Tuah, Ignasius Utami, Hilda Femilia Veronika Damiati Wesly, Yonatan Yanti Hikma Yeni Mariani Yuliana Yuliana Yuwaldi Away