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Wahana Forestra
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Fakultas Kehutanan Universitas Lancang Kuning Jl. Yos Sudarso Km. 08 Rumbai Pekanbaru
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Wahana Forestra: Jurnal Kehutanan
Published by Universitas Lancang Kuning
ISSN : 18584209     EISSN : 2548608X     DOI : 10.31849/forestra.v17i2.10650
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Wahana Forestra: Jurnal Kehutanan is periodic scientific covering all aspects of forest planning, forestry policy, forest ecology, forest resource utilization, forest inventory, silviculture, forest product processing, forest resource conservation, forest socio-economics and evironment.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 7 Documents
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Search results for , issue "Vol. 15 No. 2 (2020)" : 7 Documents clear
POTENSI LIMBAH PADAT PERKEBUNAN KELAPA SAWIT DI PROVINSI RIAU Novia Yanti, Rina; Hutasuhut, Ika Lestari
Wahana Forestra: Jurnal Kehutanan Vol. 15 No. 2 (2020)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v15i2.4696

Abstract

Oil palm plantations produce solid biomass waste, namely replanting stems, midribs, empty fruit bunches (EFB), shells and fruit fibers. In 2018 the area of ​​oil palm plantations in Indonesia reached 14.3 million ha and the area of ​​oil palm plantations in the Riau Province until 2018 was 2.7 million hectares. The availability of oil palm plantation waste in Riau Province, such as waste production in gardens and palm oil mill waste (PKS) needs to be studied further, so that the amount of oil palm biomass waste will be illustrated. The purpose of this study was to calculate the potential for biomass waste from oil palm plantations in the form of replanting stems, midribs, EFB, shells and fruit fibers. The method used in this study is calculating waste based on mass balance and the data were analyzed using linear regression. The results of this study indicate an increasing trend in the amount of waste produced. The most potential amount of waste is oil palm empty bunches (TKKS) of 6 663 956 tonnes per year on average.
PEMETAAN ANCAMAN DAN KARAKTERISTIK KEBAKARAN HUTAN DAN LAHAN (KARHUTLA) PROVINSI LAMPUNG Tohir, RIzki Kurnia; Pramatana, Fadlan
Wahana Forestra: Jurnal Kehutanan Vol. 15 No. 2 (2020)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v15i2.4705

Abstract

Lampung Province has the threat of Forest and Land Fires (FLF) based on incident reports. There is a lack of data on how the threat level of the forest and land fires, so this research is important to do. This study aims to analyze the track record and potential for FLF incidents, to analyze the characteristics and level of the FLF threat. Threat mapping is done by weighting and scoring 11 variables. These variables are divided into natural factors and human factors. The results showed that the equation that gives a weighting of 90% to natural factors. The characteristics of FLF show that natural factors are sensitive factor for the occurrence of FLF in Lampung Province. Mapping of threats shows that the area of ​​low threat class is 244,811.96 ha (8%), medium threat class is 1207,716.15 ha (40%) and high threat class is 1,591,767.42 ha (52%). Three districts had the highest level of threat class, namely Way Kanan, Central Lampung, and East Lampung Districts. The results of the validation of field conditions are indicated by the results of this threat mapping, so that the results of this study can be used as material for consideration by policy makers.
PENGARUH PEMBERIAN DOSIS KOMPOS DAN ARANG BAMBU TERHADAP PERTUMBUHAN Neolamarckia cadamba (Roxb.) Bosser PADA LAHAN MARJINAL Jayani, Faradila Mei; Juniarto, Arief
Wahana Forestra: Jurnal Kehutanan Vol. 15 No. 2 (2020)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v15i2.4718

Abstract

Marginal land is a land that has several limiting factors for a particular purpose so that it takes an effort to increase its productivity. Marginal land intended for planting activities has several limiting factors such as low soil organic matter and low pH. Efforts to increase the productivity of the marginal land can be done with the addition of fertilizer and soil ameliorant. This research aims to analyze combinations of compost and bamboo biochar, having the ability to the optimal increase growth of Neolamarckia cadamba (Roxb.) Bosser in marjinal land. The experimental design used in this research was Completely Randomized Factorial Design with two factors (compost and bamboo biochar). The addition of compost and bamboo biochar increased the height, the diameter, and number of leaves of N. cadamba. The addition of 3 kg compost and 100 g bamboo biochar (K1A1) was the best treatment to increased the height, the diameter, and number of leaves of N. cadamba.
PEMANFAATAN CITRA LANDSAT 8 OPERATIONAL LAND IMAGER (OLI) UNTUK KLASIFIKASI TUTUPAN LAHAN DI TAMAN NASIONAL GUNUNG MERBABU Siregar, Diyanti Isnani; Musadri Asbi, Adnin
Wahana Forestra: Jurnal Kehutanan Vol. 15 No. 2 (2020)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v15i2.4731

Abstract

Gunung Merbabu National Park (TNGMb) is a conservation area with a high level of biodiversity. Information on land cover is very important in making ecological management policies in conservation areas. Proven Remote Sensing technology produces precise information on land cover in a time and cost-effective manner. This study uses Landsat 8 imagery in TNGMb land cover classification process. Maximum Likelihood approach is used because it uses a probability calculation basis. A configuration matrix table between training data and reference data is made to test the accuracy of land cover classification. Reference data refers to Google Earth Pro high-resolution imagery. Results showed that the most extensive land cover type was secondary dryland forest with total of 23393 pixels classified as equivalent to 2113.54 hectares (34.5% of the total classification area. The open area, built-up area, and rice field/vegetable garden each have an area of ​​12.08 Ha; 11.02 Ha; and 170.96 Ha, of which part of the area is in enclaved areas within the TNGMb area. The accuracy test shows the Kappa Coefficient of 86.25%, User's Accuracy Average, Ground Truth Average, and Overall Accuracy respectively 89.62%; 85.42%; and 88.33%. Overall Accuracy shows that 88.33% of the total pixels represent each classification correctly.
KARAKTERISTIK BALOK LAMINASI KAYU AKASIA (Acacia Mangium) DAN MERANTI MERAH (Shorea leprosula) BERDASARKAN SUSUNAN LAMINA DAN BERAT LABUR PEREKAT STYROFOAM Somadona , Sonia; Sribudiani, Evi; Elsa Valencia , Ditiya
Wahana Forestra: Jurnal Kehutanan Vol. 15 No. 2 (2020)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v15i2.5039

Abstract

The potential for wood raw materials in Indonesia is very abundant, but the increasing need for processed wood as a building material makes it difficult to obtain sawn timber in large sizes and with quality, due to the increasingly limiting logging in natural forests. High quality wood is hard to find in the market, so it is necessary to combine low quality and high quality wood by engineering the product with an adhesive, one of which is glued laminated timber. This study aims to see the characteristics of the glued laminated timber of Acacia mangium and Shorea leprosula based on the arrangement of lamina and the weight of adhesive Styrofoam. The blocks used in this study were 120 cm x 5 cm x 3 cm in size with the adhesive composition used was 60% Styrofoam and 40% gasoline with an glue spread of 200, 220 and 240 gr / m2. Observations made to produce data that is, the moisture content obtained layer ranged from 4.14 to 8.86%, a density of 0.38 to 0.51 g / cm3, MOE and MOR ranged from 24.78 to 86.71 kg / cm2.
PERANAN POHON TERHADAP TINGKAT KENYAMANAN LINGKUNGAN KAMPUS UNIVERSITAS LANCANG KUNING PEKANBARU Hadinoto, hadinoto; Suhesti, Eni; Suwarno, Eno
Wahana Forestra: Jurnal Kehutanan Vol. 15 No. 2 (2020)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v15i2.5050

Abstract

Regional development has a tendency to minimize green open space and also remove the face of nature. The increasingly disharmonious relationship between humans and nature has resulted in ecological deterioration in the environment. Less land covered by trees causes the environment to become hot. The Lancang Kuning University Campus is one of the places of education in which the entire academic community, employees and other parties are located. In carrying out all campus activities, a comfortable environment is needed. The objectives are: to identify tree characteristics in the faculty environment; measuring the comfort level of the faculty environment. The objects this research are tree types. The equipment used is: thermohigro, camera, phi band, haga meter, roll meter, stationery. While the material used is thally sheet. Primary data taken in the field are tree data, temperature and humidity. The comfort index is categorized: comfortable, if it has a value of 21 THI 24; quite comfortable 24 THI 26 and not comfortable THI 26. There were 31 tree species with 472 trunks with an average diameter of 19 centimeters and an average height of 10 meters. The Temperature Humidity Index (THI) of all faculties is in the uncomfortable category.
KEANEKARAGAMN FUNGI MIKORIZA ARBUSKUA (FMA) LAHAN KAMPUS UNIVERSITAS LANCANG KUNING (UNILAK Ervayenri, Ervayenri
Wahana Forestra: Jurnal Kehutanan Vol. 15 No. 2 (2020)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v15i2.5122

Abstract

Arbuscular mycorrhizal fungi (AMF) are naturally scattered and symbiotic with various tree species, AMF is able to improve plant adaptation to extreme soil conditions. About thirty-seven years Unilak, has been built in Riau Province, precisely in Rumbai Pekanbaru City. How is the existence of FMA on the developed campus land? Is the focus of this paper. Soil sampling for AMF observation refers to the modified ICRAF method. The extraction of AMF spores followed the pour and wet filter method followed by centrifugation techniques. Based on the morphological characteristics of the extracted AMF spores, it was identified to the genus level. The research series showed that the presence of AMF on the Unilak campus area contained 13 types of spores from the genus Acaulospora, Gigaspora, Glomus and Sclerocystis.

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