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Tengkawang : Jurnal Ilmu Kehutanan
Published by Universitas Tanjungpura
ISSN : 20878788     EISSN : 27146855     DOI : http://dx.doi.org/10.26418/jt.v13i2
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal ini merupakan jurnal Teknologi Pengembangan Kehutanan dan Lingkungan yang diterbitkan oleh fakultas kehutanan Universitas Tanjungpura Pontianak Kalimantan Barat. Jurnal ini menyajikan artikel mengenai hasil penelitian perkembangan kehutanan dan lingkungan mutakhir meliputi berbagai konsentrasi ilmu di bidang kehutanan yaitu Biologi, Manajemen Hutan, teknologi pengolahan hasil hutan, pengawetan kayu, teknologi peningkatan mutu kayu, budidaya hutan, konservasi sumber daya alam, ekonomi kehutanan, perhutanan sosial dan politik kehutanan serta bidang lingkungan. Setiap naskah yang dikirimkan ke Jurnal ini akan ditelaah oleh mitra bestari yang bidangnya sesuai. Jurnal ini diterbitkan setahun dua kali : Januari dan Juli.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 157 Documents
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PENGAMATAN KEBERADAAN BADAK SUMATERA (Dicerorhinus sumatrensis) DI KUTAI BARAT DAN MAHAKAM ULU KALIMANTAN TIMUR Gusti Hardiansyah; Ahmad Muslim; Gusti Eva Tavita; Yuyun Kurniawan; Arif Data Kusuma
Tengkawang : Jurnal Ilmu Kehutanan Vol 3, No 2 (2013): Jurnal Tengkawang
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jt.v3i2.21610

Abstract

Sumatran Rhino (Dicerorhinus sumatrensis) is the smallest rhinoceros and the most primitive types of the five species of rhinoceros that still alive. In the 1990s the status of the Sumatran rhino population in East Kalimantan never again recorded scientifically (Meijaard, 1996). In 2013 WWF Indonesia - Kutai Barat find signs of rhino are supported by the findings of the trail and a video camera recording automatically. The study aims to determine the status of the rhino habitat conditions and population. The experiment was conducted in Kutai Barat and Mahakam Ulu , East Kalimantan. In this study used a grid of 4x4 km ² ² divided into 2x2 cells with an area of 240 km² observations which represent 15 % of Zone 1 ( 1,600 km² ). The results showed high levels of habitat suitability with a population of 7-15 individuals.Key words : Habitat, population Sumatran Rhinoceros (Dicerorhinus sumatrensis)
PERSEPSI DAN PARTISIPASI MASYARAKAT DALAM PELESTARIAN HUTAN RUMAH PELANGI SEBAGAI KAWASAN KONSERVASI (Studi Kasus Hutan Rumah Pelangi, Desa Teluk Bakung, Kecamatan Ambawang, Kabupaten Kubu Raya) Muhammad Syukur Putra; Sofyan Zainal; M Idham
Tengkawang : Jurnal Ilmu Kehutanan Vol 8, No 1 (2018): Tengkawang : Jurnal Ilmu Kehutanan
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jt.v8i1.28247

Abstract

This research aims to determine the level of perception and society participation in forest conservation of Rumah Pelangi as conservation areas. Benefits of this research is to provide feedback for the manager and local authorities to managing the Rumah Pelangi for the sustainability of forest management in its area. The method used is descriptive while the data collection used a structured interview using a questionnaire. The number of respondents in the study were 76 respondents who are local residents and have at least 20 years old with minimum domicile in the are at least 3 years. Research result shows that public perceptions of the forest area in Rumah Pelangi is very low when averaged by the results of the two hamlets percentage did not achieve 50%, and the level of result community participation is low category of all, are under 60%. There is no correlation between perception and society participation in forest preservation of Rumah Pelangi. It is seen of the high number of society perception of Rumah Pelangi, however society participation in managing and protecting the region is very low.Keyword: forest conservation, perception, participation, Rumah Pelangi, society
Identifikasi Senyawa Kimia Minyak Sereh Wangi Klon G3 (Cymbopogon nardus L.) dengan Media Tanam Tanah Gambut dan Potensinya Sebagai Antibakteri Enterococcus faecalis wis udawaty; Fathul Yusro; Lolyta Sisillia
Tengkawang : Jurnal Ilmu Kehutanan Vol 9, No 2 (2019): Tengkawang : Jurnal Ilmu Kehutanan
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jt.v9i2.36835

Abstract

Plants as an alternative medicinal becomes an option to cope of the synthetic antibiotic resistance to disease-causing bacteria. Essential oil of citronella (Cymbopogon nardus L.) contains antibacterial compounds that citronellal, geraniol and citronellol obtained through steam distillation and water. E. faecalis is among bacteria develops resistance to antibiotics. This experimental reasearch is aimed to test the antibacterial activity of citronella oil were planted in peat soils from West Kalimantan againts E. faecalis bacteria and to identify chemical compounds of citronella oil quantitatively by Gas Chromatography-Mass Spectometry (GCMS) analysis. Testing of antibacterial activity of citronella oil using disc diffusion method in MHA with concentrations of 5%, 10%, 15% and 20% and be repeated 3 times. The controls used amoxicillin and amikacin (positive control) and DMSO (negative control). The research result obtained was fourth of concentration test has a response barriers against E. faecalis with an average diameter category sequentially 10.667 ± 1.155 mm; 15.333 ± 0.577 mm; 20.667 ± 1.155 mm; 24.667 ± 0.577 mm. GCMS analysis identified that citronella oil has 26 chemical compounds. Three major compounds with the largest percentage areas are geraniol (31.65%), citronellal (19.42%) and citronellol (15.56%). It was concluded that citronella oil contains antibacterial compounds and the most effective against E. faecalis in a concentration of 20%.Keywords: antibacterial, E. faecalis, GC-MS, citronella oil, steam distillation and water
PENINGKATAN MUTU KAYU JATI (Tectona grandis) HASIL PENJARANGAN ASAL KABUPATEN CIANJUR Gunawan Pasaribu; Lolyta Sisilia
Tengkawang : Jurnal Ilmu Kehutanan Vol 2, No 1 (2012): Jurnal Tengkawang
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jt.v2i1.1639

Abstract

Teakwood is one of the favourite wood due to its strength, durable and beauty. The quality of teakwood was influenced by plantation site, season and geographic. This study attempts to expose some characteristic of teakwood which is produced from thinning plantation with 1 and 2 hours heat treatments at 170oC also densification 17% and 25% at the same temperature. The result shows that both heat and densification treatments increase the hardness value of teakwood surface. The higroscopisity of teakwood is also increased after heat treatment. On the contrary, the treatment has not influence to the density of teakwood. The colour of teakwood is darker after 1 hour heat treatment. The anatomy character of teakwood is appear being flat due to the pressing process. Key words: Teakwood, spacing plantation, heat treatment, densification
APLIKASI UMPAN RAYAP BERBAHAN AKTIF HEXAFLUMURON PADA DOSIS BERBEDA DALAM PENGENDALIAN SERANGAN RAYAP DI PERKEBUNAN KELAPA SAWIT Farah Diba; Marselinus TM Simatupang; Lukas Siahaan; . Nurhaida; M Idham; M Yuli Irianto; . Zulfadhli
Tengkawang : Jurnal Ilmu Kehutanan Vol 7, No 2 (2017): JURNAL TENGKAWANG
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jt.v7i2.23782

Abstract

Subterranean termites Coptotermes curvignathus has found as pest in oil palm plantation. The research aimed to control the termites in oil palm plantation using Hexaflumuron bait with different dosage. Location of research was oil palm plantation at Purun village in Mempawah Regency. The study was conducted by a completely randomized design method. The research treatment was dose of Hexaflumuron termite bait, consisting of 30 gram and 60 gram. Three blocks was choosing as a sample treatment consists of block H 35, block H 38 and block H 39. Hexaflumuron bait has weight 30 gram. Treatment dose of 30 gram was conducted with lay down the bait of Hexaflumuron at the mud tunnel of termites in the trunk of oil palm. Treatment dose of 60 gram was conducted with lay down two bait of Hexaflumuron at the mud tunnel of termites in the trunk of oil palm in the different place. Then inspection of bait consumption was conducted every week. Data of bait consumption and termites elimination was collected. Results of the research showed that Hexaflumuron bait was consumed by termites up to 100%. The bait has attracted the termites to consume and non-repellent to termites. After four until seven week consumption the Hexaflumuron bait, termites eliminated from the oil palm. The result of variance analysis showed that there was no significance difference between the dose of 30 gram and 60 gram  on the termite consumption level. Hexaflumuron bait was effective for termites elimination in oil palm plantation within four until seven weeks and dose 30 gram was optimum for termites elimination.Keywords: Coptotermes curvignathus, hexaflumuron, oil palm, termites bait, termites control
UJI EFEKTIFITAS ANTIBAKTERI EKSTRAK KULIT BATANG JAMBU MONYET (Bellucia pentamera Naudin) TERHADAP PERTUMBUHAN BAKTERI Escherichia coli DAN Salmonella typhi Farid Priandi; Fathul Yusro; Farah Diba; Yeni Mariani; . Nurhaida
Tengkawang : Jurnal Ilmu Kehutanan Vol 9, No 1 (2019): Tengkawang : Jurnal Ilmu Kehutanan
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jt.v9i1.33635

Abstract

People still use plants as a medicine to overcome a disease, because it is easily to obtain and relatively does not provide significant negative effects. One of the plants utilized by the people is Bellucia pentamera Naudin (B. pentamera). Diarrhea and typhoid fever are diseases that often assault Indonesian people. The bacterias were used in this study were Escherichia coli (E. coli) and Salmonella typhi (S. typhi). This study aimed to analyze the antibacterial effectiveness of B. pentamera bark extracts against E. coli and S. typhi, by Kirby-Bauer diffusion method with PCA as the media. The highest extract concentration against E. coli is 400 mg/ml possess an inhibition of 20±1 mm, and towards S. typhi is 80 mg/ml which possess an inhibition of 24.67±0,58 mm.Keywords: Bellucia pentamera, Disc Diffussion, Efectiveness, Escherichia coli, Salmonella typhi.
APLIKASI UREA DAN TANAH BERMIKORIZA PADA PERTUMBUHAN TANAMAN SERTA INFEKSI MIKORIZA PADA AKAR SENGON LAUT (Paraserianthes falcataria (L) Nielson) Febri Arif Cahyo Wibowo; Amir Syarifuddin
Tengkawang : Jurnal Ilmu Kehutanan Vol 10, No 2 (2020): Tengkawang : Jurnal Ilmu Kehutanan
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jt.v10i2.39815

Abstract

Decrease plant nutrient and water in the land is very alarming. The function of mycorrhizae is very beneficial for plants in forest areas that can be considered critical. Urea which is an instant fertilizer is often used by Indonesian farmers, but it has a negative impact on the soil. The nutrients contained in urea are 45% -46% is Nirogen. The purpose of this research was to study the development of the use of mycorrhizal soils by using urea fertilizer and its interactions, as well as to search for roots infected by mycorrhizae. This research was conducted in the greenhouse at the University of Muhammadiyah Malang conducted from January to February 2017. The design used in the study was a Randomized Complete Block Design (RCBD) with a combination of 16 and 3 replications. Data analysis was done by BNJ ANAVA followed and identification of mycorrhizae in the roots of sea sengon plants. At a dose of 300 grams of mycorrhizae soil is better than other doses. The dose of urea has been effected on sengon laut from the parameters of height and number of leaves. A dose of 1.5 grams of urea produces better plants than other doses. Root infection by mycorrhizae gets the greatest results on the combination of M2P2 with a yield of 30%. The type that is in the infected root is Glomus sp. The effect of mycorrhizae occurs only on the root length of plants.Keywords: Mycorrhiza, Root Infection, Sengon Laut, UreaPenurunan kualitas unsur hara dan air pada lahan kehutanan sangat memprihatinkan. Fungsi mikoriza yang sangat menguntungkan bagi tanaman pada lahan hutan yang dapat dikatakan kritis. Urea yang merupakan pupuk instan ini sering digunakan oleh para petani Indonesia, namun dapat berdampak negatif terhadap tanah. Unsur hara yang terkandung dalam urea ini 45%-46% adalah unsur N. Tujuan dari penelitian ini adalah mengetahui perbandingan pertumbuhan penggunaan tanah bermikoriza dengan penggunaan pupuk urea dan interaksinya, serta mengidentifikasi akar yang terinfekis oleh mikoriza. Penelitian ini dilakukan di green house Universitas Muhammadiyah Malang dilakukan pada bulan Januari-Maret 2017. Rancangan yang digunakan dalam penelitian adalah Rancangan Acak Kelompok Lengkap (RAKL) dengan kombinasi sebanyak 16 dan 3 kali ulangan. Data yang dianalisis menggunakan uji BNJ dan identifikasi mikoriza pada akar tanaman sengon laut. Hasil penelitian menunjukkan bahwa pada dosis 300 gram tanah bermikoriza lebih baik dibandingkan dosis lainnya. Dosis urea sangat mempengaruhi pertumbuhan sengon laut dari parameter tinggi dan jumlah daun. Dosis urea sebanyak 1,5 gram menghasilkan tanaman yang lebih baik dibandingkan dosis lainnya. Infeksi akar oleh mikoriza mendapatkan persentase terbesar pada kombinasiM2P2 yaitu 30%. Jenis yang terdapat pada terinfeksinya akar yakni jenis Glomus sp. Pengaruh mikoriza ini terjadi hanya pada panjang akar tanaman saja.Kata Kunci:Infeksi Akar,Mikoriza,Sengon Laut, Urea
EVALUASI ASAP CAIR SEBAGAI BIO-TERMITISIDA UNTUK PENGENDALIAN RAYAP TANAH Coptotermes sp. (Evaluation of Liquid Smoke as Bio-Pesticide to Control Subterranean Termites Coptotermes sp.) Yuliati Indrayani, H.A. Oramahi, Nurhaida
Tengkawang : Jurnal Ilmu Kehutanan Vol 1, No 2 (2011): JURNAL TENGKAWANG
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jt.v1i2.126

Abstract

Coptotermes sp. is the most important genus of termites in buildings and plantations. In recent years, methods to combat termite infestation by using chemicals have caused serious hazards to humans and environment. The utilization of liquid smoke as the bio-termiticide to combat termite infestation is one of the appropriate and interesting technologies to develop. The aims of this research are: (1) to produce liquid smoke made from waste of empty fruit branch of oil palm by applying a condensation process, (2) to determine the optimum temperature of the production of liquid smoke, (3) to identify the component of liquid smoke, (4) to evaluate the bio-activity of liquid smoke as bio-termiticide on termites in the laboratorium. Liquid smoke was produced under various temperatures 350, 400, 450 C for 90 minutes. Phenol and acid analysis the components of liquid smoke were qualitatively analysed by using a gas chromatography mass spectrometer/GCMS. Evaluation of liquid smoke on subterranean termite was done according to Ohmura (1997) procedure under various concentration of 1%, 2%, 3%, dan 4%. Identification of the component of liquid smoke showed that mostly phenols and acetic acids were present in all temperature of pyrolisis. Content of phenols and acids were increasing with higher temperatures. The highest mortality of termite after 3 (three) weeks observation was recorded using liquid smoke produced at a temperature of 450 C, followed by 400C, 350C and the control, respectively. The highest weight loss of the paper disc was observed with the control with a weight loss of 100%, followed by 350C, 400C, dan 450C, respectively. Key words: Liquid smoke, TKKS, Bio-termiticide, Coptotermes sp.
DISTRIBUSI KOMPONEN KIMIA KAYU MAHANG (Macaranga hosei King) Evy Wardenaar; Yeni Mariani; Harnani Husni; Farah Diba; Hikma Yanti
Tengkawang : Jurnal Ilmu Kehutanan Vol 3, No 1 (2013): Jurnal Tengkawang
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jt.v3i1.4088

Abstract

This research aim was to know the chemical distribution of wood (Macaranga hosei King) based on its stem height/axial direction (base, middle and end of stem) and the depth of stem/radial direction (2/3 3/3 rays, 1/3 2/3 rays and 0 1/3 rays). The experimental includes the percentage of alcohol benzene-soluble extractive content, lignin content, holocellulose and ?- cellulose. The result showed base on stem height that the percentage of alcohol benzene soluble extractive, lignin, holocellulose and ?- cellulose content decrease from the base, middle and to the end of stem. Base on depth of stem, the result showed that the percentage of alkohol benzena-soluble extractive content, lignin content, holocellulose and ?- cellulose decreasing from 2/3 3/3 rays, 1/3 2/3 rays and to the part of 0 1/3 rays. The interaction of stem height and depth of stem has significantly affected to the percentage of alcohol benzene-soluble extractive content. The overall result showed that Mahang wood is suitable for used as sawn timbers, wood panels and raw materials for pulp and paper. Keywords: chemical properties, Macarang hosei, stem height, stem depth.
INVENTARISASI DAN PEMETAAN POHON BUAH (EDIBLE FRUITS) DI KAWASAN HUTAN DENGAN TUJUAN KHUSUS (KHDTK) DIKLAT FAHUTAN UNMUL SAMARINDA Maria Yani Mapa; Rita Diana; Hastaniah Hastaniah; Paulus Matius; Rustam Rustam
Tengkawang : Jurnal Ilmu Kehutanan Vol 12, No 2 (2022): Tengkawang : Jurnal Ilmu Kehutanan
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jt.v12i2.58806

Abstract

Forest areas with special purpose of forestry education and training of Forestry Faculty of Mulawarman University, is a tropical rainforest with a variety of vegetation types, including woody trees, lianas, herbs, and many types of edible fruit trees. The objective of this study was to inventory and map the distribution of edible fruit trees, as well as to calculate the diversity index. This study was carried out at KHDTK, Faculty of Forestry, Mulawarman University. It was carried out between December 2021 and July 2022. The technique used in this study directly recorded fruit trees at the research site. Transect sampling was used for the study, with A transect having a width of 20 m and a length of 920 m, 1000 m for transect B, 1000 m for transect C, and 600 m for transect D. The transect line will be determined with the intention of crossing the contour line, taking into account the representativeness of the observed community type. The study's four transects recorded 18 tree species from 235 individuals. This result found 12 edible fruits in transect A, eight edible fruits in transect B, 12 edible fruits in transect C, and seven edible fruits in transect D. This study reveals four dominant Moraceae species: Artocarpus elasticus, Artocarpus rigidus, Artocarpus longifolius, Artocarpus lanceifolius, and Artocarpus integer.Keywords: Inventory, KHDTK, edible fruits AbstrakKawasan hutan hujan tropis yang terdapat di Samarinda sangat tinggi dengan keanekaragaman vegetasi antara lain merantian, semak belukar, liana dan rerumputan, serta aneka tumbuhan buah-buahan yang dapat dimakan. Tujuan dari penelitian ini adalah untuk menginventarisasi dan memetakan sebaran pohon buah-buahan yang dapat dimakan serta menganalisis tingkat keanekaragaman pohon buah tersebut. Penelitian ini dilakukan di HDTK Diklat Kehutanan Fahutan Unmul pada bulan Desember 2021 sampai dengan Juli 2022. Metode yang digunakan adalah dengan pencatatan pohon buah-buahan secara langsung di lokasi penelitian dengan membuat transek. Setiap transek memiliki lebar 20 m dan panjang 920 m untuk transek A, 1000 m untuk B 1000 m, 1000 m untuk C 1000 m dan 600 m untuk D. Hasil keempat transek tersebut mencatat 18 jenis pohon dari total 235 individu. Transek A memiliki 12 spesies, transek B memiliki 8 spesies, transek C memiliki 12 spesies, dan transek D memiliki 7 spesies. Hasil penelitian menunjukkan bahwa jenis pohon buah-buahan yang paling banyak ditemukan adalah dari famili Moraceae, yaitu Artocaprus elasticus, A.rigidus, A. longifolius, A. lanceifolius dan A. integer.Kata Kunci: Inventarisasi, Kawasan Hutan dengan Tujuan Khusus, Pohon penghasil buah

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