JURNAL HUTAN LESTARI
Not a member yet
676 research outputs found
Sort by
PERBANYAKAN TANAMAN PASAK BUMI (Eurycoma longifolia Jack) SECARA GENERATIF DAN VEGETATIF DI PERSEMAIAN
Get PDFPasak bumi (Eurycoma longifolia Jack) is a native plant to Indonesia which has many properties and benefits. Howevel the population in the natural forest is increasingly rare due to excessive exploitation. Pasak bumi has recalcitrant seeds type phenological conditions it is a monopodial type plant so that its multiplication can be produced vegetatively by stem cutting. This research aimed to get the suitable method for pasak bumi plant propagation. This study an experimental method by comparing generative with seeds and stump method and used vegetative cuttings. Seed germinated an moss began on day 12 th with a percentage of 38,84%, whereas on sand media did not germinate at all. Stump survival percentage was 84,5%, new shoots grow out after 1 month after planting. The growing percentage of cuttings was 20,8%. Both seedling stump and cutting were growing sprout from the shoots and was stems, with a varying number of buds. Environmental conditions such as air temperature, humidity, and light intensity affected the processes of the pasak bumi propagation. Keywords : generative propagation, pasak bumi, seedlings, vegetative propagation
KEANEKARAGAMAN JENIS VEGETASI PENYUSUN TEMBAWANG DI DESA NGARAK KECAMATAN MANDOR KABUPATEN LANDAK
Get PDFTembawang is a system of land use by Dayak tribe community in West Kalimantan which is considered as unique ecosystem because it holds very high value. Tembawang in Ngarak has been converted into shifting cultivation and tree felling so that caused the reduction of vegetation type in the tembawang. This study aims to examine the diversity of vegetation species found in tembawang in Ngarak, Mandor Sub district of Landak District. The benefit of the research is to provide information on the diversity of vegetation types found in tembawang in Ngarak. The results showed that the diversity of vegetation type of constituents in Ngarak village there were 54 species of vegetation grouped into 22 families identified. Levels of seedlings in hill tembawang 21 species, while in tembawang lowland 6 species. The level of stake in hill tembawang 22 species, while in the lowland tembawang 16 species. Level pole in hill tembawang 14 species, while in tembawang lowland 11 species. The tree level in the hill tembawang 18 species, while in the lowland tembawang 11 species. The dominance index (C) for all growth rates in Ngarak village has low index of dominance because it is still far from the highest dominance value (C = 1), while the diversity index (H ') in hill tembawang shows diversity level which is classified as abundant 1 ≤ H '≤ 3 except at the pole level, the diversity is low because of the value of 0.84.Keywords: Diversity, Dominant, Species, Tembawang
AMBOYO VILLAGE PEOPLE’S PERCEPTION OF THE RUBBER MIXTURE GARDEN AND PALM GARDEN, LANDAK REGENCY, WEST KALIMANTAN
Get PDFLand use into specific forms are expected to provide income and improve socio-economic conditions of the community. In the area of dry land with the majority of the increase in people's income one done with the intensification of land use by planting a variety of commodities, rubber and palm oil plantations of commodities is a very important role in Indonesia. Human beings play an important role for land use. Interpretation and knowledge society, urging economic, traditions, as well as information from outside will affect perceptions of how and for what land is treated, in this case the garden rubber mixture and palm groves. This research aims to know the public perception of South Amboyo Village against the rubber mixture and gardens of palm groves and know the relationships of each of the individual factors that influence public perception against the rubber garden mix and palm groves. In addition the study also examines the contributions of both types of gardens against the people's income. Data collection was done through the study of literature and interviews with 62 respondents group representing farmers of rubber rubber farmers all at once, palm oil, and not farmers. Retrieval of respondents using the method of purposive sampling. This research was carried out with effective time for 4 weeks in field research, data analysis was done with likert scale measurement, chi-squared and rank spearman. Results the results of the analysis showed that the public perception of South Amboyo Village tended to being against the social aspects of economic, ecological, and socio-cultural mix rubber gardens and palm groves. Perception towards the garden of rubber mixture was influenced by old school, extensive land ownership, and income, whereas the perception against the palm groves are correlated with age. Seen in terms of the economy of rubber mixtures and gardens palm groves each contribute approximately 47% and 43% against the income of agricultural households. Keywords : perception, rubber garden mixture, oil palm plantation
PENGARUH WAKTU INOKULASI Trichoderma spp. DAN Glomus sp. TERHADAP PERTUMBUHAN SEMAI AKASIA (Acacia mangium)
Get PDFAcacia (Acacia mangium) is a plant spesies which can grow rapidly despite living on marginal land. One effort that can be done is by adding biological agents, for example Trichoderma and Glomus sp. The purpose of this research was to uncover the best inoculation time of Trichoderma and Glomus sp. to the growth of acacia. The research consisted of 14 treatments, involving : W0 : Control; W1: Trichoderma sp. 1 three days before Glomus sp.; W2: Trichoderma sp. 1 together Glomus sp.; W3: Trichoderma sp. 1 seven days after Glomus sp.; W4: Trichoderma sp. 2 three days before Glomus sp.; W5: Trichoderma sp. 2 together Glomus sp.; W6: Inoculation with Trichoderma sp. 2 seven days after Glomus sp.; W7: Trichoderma sp. 3 three days before Glomus sp.; W8: Trichoderma sp. 3 together Glomus sp.; W9: Trichoderma sp. 3 seven days after Glomus sp. These treatments were repeated for three times until 30 exprerimental units were gathered. The research was designed based on a completely ramdomised design. The data were observed for 2 months including the data about diameter and height. Result of the observation was analysed quantitatively using ANOVA. It was then continued by Honestly Significant Difference (HSD) test. The result indicated that providing Trichoderma sp. 3 three days before Glomus sp. (W7) did not give a significant increase in height. Meanwhile, inoculation Trichoderma sp. 1 together with Glomus sp. (W2) yielded a significant value for the increase in diameter. Finally, it is hoped that results of this research can be used and applied on other forest plants such as Pinus. Keyword : Acacia, Diameter, Glomus, Height, Trichoderm
ANALISIS VEGETASI PADA KAWASAN HUTAN DESA DI DESA NANGA YEN KECAMATAN HULU GURUNG KABUPATEN KAPUAS HULU
Get PDFThis study aimsed to determine the structure and composition of tree species from various growth levels and to know the dominant tree species from various growth levels. The research was conducted in Village Forest Area in Nanga Yen Village, Hulu Gurung District, Kapuas Hulu Regency with 4 weeks research time in field. The method used was survey method by way of combination between path and plot. The laying of the transect line was done by purposive sampling and the laying cuted the contour direction. The number of observation paths consisted of 6 lines, with each path length of 500 M. Data was analysed by calculating the importance value index (INP), the dominance index (c), Index of species diversity (H'), and abundance index (e) at the level of pole and tree sapling. The results of the data analysis showed that the dominant species based on the Importance Value Index (IVI) for all growth rates are Keladan (Dryobalanops oblongifolia), Ubah Putih (Syzygium sp) and Ubah Merah (Syzygium sp). Based on the the dominance Index (c) was categorized as low because the value of C 1 and the species abundance (e) were categorized almost equally because the value e approaches 1 (one). Keywords: Analysis of Vegetation, Kapuas Hulu, Forest Structure and Composition, Village Fores
VALUASI EKONOMI HUTAN MANGROVE DI SUNGAI MAS DESA PEMANGKAT KOTA KABUPATEN SAMBAS
Get PDFMangrove forest ecosystem is capable to fulfill almost all human necessities by tangible and intangible value contribution it has. The purpose of this research is to find out the Direct Use Value (DUV) on mangrove forest in Sungai Mas, Sebangkau District, Sambas Regency which is held on ± 4 (four) weeks effectively. The method used in this census (data collecting), with the number of respondents 188 head households. Valuation of the varieties used by people in Sungai Mas use market price method for firewood, fruit and water product. The research showed total economical value of the mangrove forest on Sungai Mas valued Rp21.123.386.000.-/year contained of firewood Rp. 44.016.000.-/year, fruitsrp Rp. 4.100.000,-/year, scallop Rp. 3.610.800.000,-/year, crab Rp1.355.750.000-/year, prawn Rp. 11.655.000.000,-/year, and fish Rp. 4.453.720.000,-/year. The economical value of mangrove forest on Sungai Mas is really high. Therefore it is necessity to protect the mangrove forest such as reforestation either by government agencies or by the people awareness. So the current economical value remains exist and even gains to welfare the society. Also, the product from aquatic is also dominating. This shows that even without doing forest destruction people can still receive the economical benefit. Keywords : Sungai Mas Mangrove Forest, Total Economical Value, Use Valu
KEANEKARAGAMAN JENIS JAMUR MAKROSKOPIS DI ARBORETUM SYLVA UNIVERSITAS TANJUNGPURA
Get PDFMacroscopic fungi have an important role for human life, economic aspect, food requirement, medicine, educational and science aspect. The study aims to record the species diversity of macroscopic fungi at arboretum Sylva Universitas Tanjungpura. The researcher time was conducted for two weeks in May 2017 using Purposive Sampling method. Result of research from all 0,0625 ha found 30 species of macroscopic fungi from with the total of 1.652 individuals from 21 genus and 12 families. The 12 families found included: Polyporeacea, Ganodermaceae, Rigidoporaceae, Cortinariaceae, Auriculariaceae, Coprinaceae, Sclerodermataceae, Agaricaeae, Schizophyllaceae, Phallaceae, dan Geastraceae. The fungi from the most Polyporaceae family are found at arboretum Sylva Universitas Tanjungpura. The 30 species found, fungi were used as food ingredients of 10%, medicines (13,33%), souvenirs (3,33%), not edible (50%), toxic (10%), and unknow fungi (13,33%). Keyword : Ecological Function, Ectomikoriza, Hexagonia tenuis, Utilizatio
POTENSI TRICHODERMA ISOLAT LOKAL SEBAGAI DEKOMPOSER SERASAH AKASIA (Acacia mangium)
Get PDFAcacia produce a litter of in the forest industry plants are not utilized and difficult to decompose so it can be acumulotion of litter. The decomposition can be accelarared with the use of local Trichoderma isolates. But, it is not yet known the best local isolates and concentration of trichoderma as the decomposers of acacia litter. The aim of research to get the kind of local isolate and concentrate the best Trichoderma as decomposers of litter acacia. This research was conducted at the Laboratory of Silviculture Forestry University Tanjungpura Pontianak for 8 months starting from the preparation, execution, analisis this research method is done in the form of factorial experimental design completely randomized experimental with design. The treatments consisted of two factors, namely the local isolates of Trichoderma (Trichoderma sp. 1 = T1; Trichoderma sp. 2 = T2; Trichoderma sp. 3 = T3, Trichoderma sp. 4 = 4) and the concentration of Trichoderma suspension (10-5 ml = k1, 10-6 ml = k2, 10-7 = k3). The combination total of treatments were 12 units with three replications. The observed data is decomposed pH value before and after decomposed, the mycelium dry weight, the percentage of moisture litter, the C / N ratio and the content of phosphor (P) and potassium (K). Based on the results turned out to isolate Trichoderma sp 2 with a concentration of 10-5 is the best decomposers to accelerate proser acacia mangium litter decomposition. Time or the length of the decomposition can be extended for more or less five months to get maximum results.Keywords: Acacia mangium, Concentration, Decomposers, Litter’s, Trichoderma
PERSEPSI MASYARAKAT TERHADAP KEBERADAAN OBJEK EKOWISATA MANGROVE DI DESA PASIR KECAMATAN MEMPAWAH HILIR KABUPATEN MEMPAWAH
Get PDFThis research aims at finding out society’s perception and the correlation of the society’s perception towards mangrove eco-tourism existance in in Pasir village Mempawah sub-district Mempawah Regency about their income level, the number of their family dependents, the level of their dependence as well as their knowledge level toward mangrove. The descriptive result showed about the society’s perception on thier increased revenue that there were 84 respondents, in which (17,86%) or 15 respondent stated their perception that they had gained their increased revenue, (58,33%) or 49 respondents had not gained their increased revenue yet and (23,81%) or 20 respondents did not gain their increased revenue. The Society’s perception showed based on jobfield that 84 respondents, in which (29,76%) or 25 respondents stated that the existance of the mangrove eco-tourism had created jobfields, (53,57%) or 45 respondents stated it had not created the jobfields yet and (16,67%) or 14 respondents stated it did not create the jobfields. The society’s perception showed about business opportunity that 84 responden, in which (14,29%) or 12 respondent stated that it had provided business opportunity, (72,62%) or 61 respondent stated it had not provided it yet and (13,10%) or 11 respondents stated it did not provide it. It proved that the existance of the mangrove eco-tourism had not provided positive impact towards the society about their inome, jobield as well as business opportunity. The resulting study showed that the society’s perception towards between the income level and the number of family dependents had no significant correlation, which means they had no effect on the society’s perception to the existance of the mangrove eco-tourism. The society’s perception to the level of their dependence and their knowledge level, however, had a significant correlation, meaning that they provided a significant effect to the society about their perception towards the existance of the mangrove eco-tourism.Keywords: Existance, Mangrove eco-tourism, Perception
PEMANFAATAN PUPUK NPK TABLET UNTUKPENANAMAN GAHARU (Aquilaria spp) PADA TANAH ULTISOL
Get PDFAgarwood planting in Pak Laheng village is done on ultisol soil which is known to be poor nutrient, so it needs to be given fertilizer and one of them is NPK tablet fertilizer. The objectives of the study were to examine the effect of NPK Tablet fertilizer on the growth of agarwood and to determine the appropriate dosage to be given to agarwood plants grown on Ultisol soil. The research was conducted at Pak Laheng Village, Toho District, until 12 week. Research methods was completely randomized design (CRD) with treatment: without fertilizer, NPK with 3 tablets/plant, 6 tablets /plant, and 9 tablet/plant. Each treatment was repeated in six replications. The data collected and analyzed is the increase of height (cm), diameter (mm), and the number of leaves. The results showed that NPK fertilizer tablet was influenced to the growth of agarwood plants until the age of 12 weeks. The dosage of fertilizer 9 tablets/plant are the best to accelerate plant growth on ultisol soil. Keywords: Ultisol Soil, NPK Tablets, and Aquilaria spp