bluuebunny/crossref_metadata_2025_split huggingface dataset:
Upaya Perbaikan Pertumbuhan Bibit Merbau Darat (Intsia Palembanica) Dengan Naungan Dan Pemupukan
Authors: Maradong Simangunsong Esra , Riniarti Melya , . Duryat 
Published: May 2020

Mirabow (Intsia palembanica) is one of high quality tropical wood. The wood of mirabow is categorized in durable class I, II and strong class I, II. Mirabow has the straight wood fiber, can be used as plywood, panels, furniture, musical instrument and beautiful shiny wood surface. Among the factors that affect plant growth were shading intensity and nutrients. The purpose of the research were to figure out the effect of shading intensity and fertilization to the growth of mirabow. The Block Randomized Design (BRD) of 4 groups and 3 treatment was employed as research design. Group of the reseach was the provision of no shading (0%), shading intensity 55%, shading intensity 65%, and shading intensity 75%, meanwhile the dose of NPK fertilizer of 0 g/polybag, 2 g/polybag, and 4 g/polybag were employed as the treatments. The large of experimental unit were used 1 seedling. The variable that was observed were high accretion, diameter accretion, root length, number of leaves, crown root ratio, dry weight of crown, dry weight of root, total dry weight and quality index of seedling. Bartlett test was employed to figure out the homogenity of datas. Then, analysis of variance was used to the least significant difference. The entire data tested on 5% significant level. The results showed that 55% shading intensity, obviously increase the dry weight of crown, however the shading intensity more than 65% in fact, evidently decrease the dry weight crown and total dry weight of mirabow seedling. The dose of 4 g/polybag of NPK fertilizer, evidently the number of leaves, crown root ratio, dry weight of crown and total dry weight of mirabow seedling.Keywords : mirabow, seed fertilisation, shading intensity
Keanekaragaman Spesies Burung Di Repong Damar Pekon Pahmungan Kecamatan Pesisir Tengah Krui Kabupaten Lampung Barat
Authors: Firdaus A.Basyir , Setiawan Agus , L. Rustiati Elly 
Published: May 2020

Repong Damar is a management system in cultivated area by local community of Krui. It has great biodiversity and plays an important role as avian natural habitat. This research was conducted to learn the diversity of bird species in Repong Damar using concentrated method in four different locations: area between padi field and forest, settlement area, opened damar forest, and damar forest. Three replications were done on each location. There are 16 birds species of 10 families (N=468). The highest diversity index was in damar forest (H’= 1.082), and the lowest was in opened damar forest (H’= 0.502).
Keberhasilan Hidup Setek Pucuk Jabon (Anthocephalus Cadamba) Dengan Pemberian Beberapa Konsentrasi Rootone-F
Authors: Putra Ferdiansyah , . Indriyanto , Riniarti Melya 
Published: May 2020

Kadam (Anthocephalus cadamba) is one types of three possible to develop in plantation forest or public forest to suply log necessity in Indonesia. However, the silviculture information on kadam development is still limited especially in providing nurseries. The objective of this research was to find out survival percentage, shooting ability, and rooting ability of kadam shoot cutting with some concentrations of Rootone-F addmited. This research used completely randomized design with four treatments and five replications. Treatments were soaking the bud of kadam shoot cuttings with some of the following Rootone-F concentrations: 0 ppm, 100 ppm, 200 ppm, and 300 ppm. Variables to observe were survival percentages, shoot lengths, shoot diameters, root lengths, and leaf numbers. The results showed that Rootone-F addmited with 200 ppm concentration resulted in the best shoot height, root length, and leaf numbers of kadam shoot cuttings compared with concentrations of 1 ppm, 100 ppm, and 300 ppm. The kadam shoot cutting with 200 ppm Rootone-F concentration had 96% survival, 20.47 cm shoot length, 19.60 root length, and 6.18 leafs. The conclusion was that the concentration of 200 ppm Rootone-F gives the best results.
Perkecambahan Benih Aren (Arenga Pinnata) Setelah Diskarifikasi Dengan Giberelin Pada Berbagai Konsentrasi
Authors: Purba Oktoviani , . Indriyanto , Bintoro Afif 
Published: May 2020

Dormancy of sugar palm seed (Arenga pinnata) was caused of hard seed coat structure, making its difficult to absorb water during of germinating. Dormancy in seed can be resolved by giving of treatmeant physically, mechanically, or chemically. This research aimed to determine the effect of physical treatment and chemical treatment on the germination of sugar palm seeds and determine which affect gibberellin concentration most favorable to the germination of sugar palm seeds. In this research, dormancy in seed be resolved in chemically that way with soaking of water with temperature early 75 0 C let to be chilled during 15 minute, and then soaking in condensation of giberelin with concentration of giberellins is 0 ppm, 50 ppm, 100 ppm, 150 ppm, and 200 ppm for 24 hours. The method used in this research is Complete Random Design (CRD) which consisting of five treatments and four replications. The results showed that the treatment accorded significant effect on germination percentage, germination, and the average days to germinate. Addition of soaking in a solution of 150 ppm giberellin for 24 hours gives the best effect with an average germination percentage by 65%, compared with addition of soaking in giberellin solution of 0 ppm, 50 ppm, 100 ppm, 200 ppm giberellins for 24 hours with an average germination percentage by 15%, 34,5%, 53,125%, and 26,875%.
Keragaman Jenis Tumbuhan Obat Di Hutan Pendidikan Universitas Sumatera Utara Kawasan Taman Hutan Raya Tongkoh Kabupaten Karo Sumatera Utara
Authors: Friska Br Sembiring Eva , . Indriyanto , . Duryat 
Published: May 2020

Tongkoh Great Forest Park has an excellent site factor for various types of medicine plants. The research about the medicine plants spesies diversity in Tongkoh Great Forest Park was needed because there was the lack of information about the types of medicine plants in the area. The purpose of the study was to determine the diversity of species and it’s abundance, in the area of utilization block area Tongkoh Great Forest Park, Karo District, North Sumatra Province. This research was conducted on August 2014 in the utilization area of Tongkoh Great Forest Park, Karo District, North Sumatra Province by inventory method was employed using the terraced lines method that arranged systematically and started with purposive sampling, based on the presence of medicine plants that had known by local communities in around area. The distance between the pioneer lines were 200 m and the distance between the plots and the path lines were 100 m. The results of the research show that there are 25 species of medicine plants which are divided into 21 families. The most dominant species was pegagan (Centella asiatica) with density about 9,500 individu/hectare and frequency at 0.26 and tree species which have the highest relative density was pine (Pinus merkusii) with frequency was 0.2 and the density was 60 individu/hectare. Keywords: medicinal plants, diversity
Identifikasi Jenis Liana Dan Tumbuhan Penopangnya Di Blok Perlindungan Taman Hutan Raya Wan Abdul Rachman
Authors: Tua Halomoan Simamora Tiopan , . Indriyanto , Bintoro Afif 
Published: May 2020

Liana is one type of plant that becomes typical characteristic of a tropical rain forest ecosystem and its presence adds to the diversity of plant species in the forest ecosystem. The purposes of the study were to identify the species of liana, species of cantilever plant, and to know the number of liana species associated with the species of cantilever plant in the protection block of Wan Abdul Rachman Great Forest Park, especially in the area of Way Balau Sub watershed. The research was conducted on September to Oktober 2013. The sampling method was used line terraced layer. The size of each sample plot was 20 m x 20 m with sub plots 10 m x 10 m, 5 m x 5 m, 2 m x 2 m. Liana and cantilever plants species were inventoried by 0.2% sampling intensity from 796.50 ha. Observed variables were the species and the number of lianas, spesies of cantilever plant and its number. The result of research were identified 8 species of liana and 35 spesies of cantilever plants. Liana density was 1.599 individual/ha and cantilever plant density was 1.594 individual/ha, and it had a good enough distribution because there was no dominant species. The plant that most liked by liana is dadap (Erythrina lithosperma) and liana that mostly found is rayutan (Paederia tomentosa). Keyword: cantilever plant, liana, Protection Block of Wan Abdul Rachman GreatForest Park
Perubahan Tutupan Hutan Di Taman Hutan Raya Wan Abdul Rachman (Tahura War)
Authors: . Handoko , Darmawan Arief 
Published: May 2020

Changes in forest cover due to land tenure is a serious threat to Great Forest Park Wan Abdul Rahman. This study aimed to analyze changes in forest cover in 1994, 1997, 2000, 2014, and the things that happen related to changes in land cover in Great Forest Park Wan Abdul Rahman. Techniques of remote sensing and geographic information systems used to monitor and evaluate changes in forest cover that have occurred since the year 1994 - 2014 and determine forest cover changes that occur in each block management. Landsat satellite image data in 1994, 1997, 2000, 2014 were collected and analyzed. Furthermore, direct observation in the field is done for assessment of accuracy as well as the literature study to look at the chronology of events related to the change of the forest. The results showed forest area in 1994 was 9.090,1 hectare or 40.9% of the total area Great Forest Park Wan Abdul Rahman. In 2000 the highest forest cover has decreased be 5.428,7 hectare or 24.4% of the total area. 2014 forest cover has increased to 8.953 hectare or 40.2% of the total area.Key words: classification image, land cover change, Great Forest Park Wan Abdul Rachman
Karakteristik Petani Dalam Pengembangan Hutan Rakyat Di Desa Buana Sakti Kecamatan Batanghari Kabupaten Lampung Timur
Authors: Widya Putri Resti , Qurniati Rommy , Hilmanto Rudi 
Published: May 2020

Effort to conserve forest as one source of food for farmers is organized by developing a community forest. This effort is carried by culture various types of forestry, agriculture, and livestock. To encourage the development of community forest, it is necessary to investigate the farmers characteristics who worked in the forest. The purpose of this study is to describe the characteristics and income level of farmers in developing community forests. The study was conducted in March 2014 in the Village of Buana Sakti. The formal education of fifty percent (50%) of farmers in Buana Sakti Village were up to elementary school, while for their informal education are less active in extention activities, talks, and workshops. The availability of credit in Buana Sakti Village come from two sources: Village cooperative (KUD) and BRI bank. Buana Sakti Village has three shops of input. The income of private forest farmers in Buana Sakti Village comes from forest trees product, agriculture crops, livestock, and other work (civil servants, laborers, merchants, artisans, village chief). The average farmers income are Rp 25.286.960 each year, while for the interaction farmers in Buana Sakti Village has a strong interaction with each other. Farmers should be more active to participate in extension activities, talks, and workshops conducted by the extension workers or the relevant agencies so that the knowledge and information obtained will be more and more analysis on the characteristics of farmers is needed in developing community forest to inprove forest sustainability.Keywords: Buana Sakti, characteristics, community forests, farmer
Nilai Tukar Pendapatan Rumah Tangga Petani Agroforestri Di Hutan Kemasyarakatan Bina Wana Jaya I Kesatuan Pengelolaan Hutan Lindung Batutegi Kabupaten Tanggamus
Authors: Yulian Reni , Hilmanto Rudi , Herwanti Susni 
Published: May 2020

Bina Wana Jaya I Community forest (HKm) group is one of HKm which has obtained a right access utilization permission managed using agroforestry systems in KPHL Batutegi based on the decree of forestry minister and the regent’s decree since 2009. According to the the forestry minister regulation no. p.88/Menhut-II/2014, HKm program driven in order to increase the community welfare. One of the approach used to find out the community welfare is NTPRP concept based on subsistence requirement. The objectives of the research were to calculate the agroforestry farmers’ NTPRP at Bina Wana Jaya I Community forest and identificated NTPRP factors. The data analysis was done based on NTPRP concept and explained by quantitative descriptive. The result showed that generally, the farmer welfare was categorized as prosperous with NTPRP 1,07. If NTPRP was categorized based on management of land from narrow to wide, the narrow management of land were not in the prosperous category. NTPRP factors framer consists of income from farming and non-farming (agroforestry, non-agroforestry, farming labourer and non-farming labourer) and expenditure consists of consumption and production cost. Keywords : community forest (HKm), protection forest management unit (KPHL), exchange household income of agroforestry farmers (NTPRP)
Respon Setek Cabang Bambu Betung (Dendrocalamus Asper) Akibat Pemberian Asam Indol Butirat (AIB)
Authors: Sari Erviana , . Indriyanto , Bintoro Afif 
Published: May 2020

Betung bamboo (Dendrocalamus asper) as multipurpose plant could be developed with vegetative and generative propagation. Branch cuttings was the easiest way in the betung bamboo vegetative propagation. One of plant growth regulators that could be used to spur betung bamboo branch cutting was indole butyric acid (IBA). This study was conducted to evaluate the betung bamboo branch cutting response from various concentration of IBA and to know the best concentration of IBA to spur the growth. The experiment was conducted in Palembang’s Bamboo Plantation Collection and Development Research Institute of Forest areal, Tanjung Agung, District Tanjungan, South Lampung Regency, from March to June 2012. This research used Completely Randomized Design (CRD) with five treatments: IBA 0 ppm (control), 100 ppm, 200 ppm, 300 ppm, and 400 ppm of concentration. Each of experimental unit consisted of five cuttings with five replications. Percentage of life, length of shoot, number of shoot, number of leave, shoot’s diameter, and root’s length were the observed variables. The result showed that betung bamboo branch cuttings were responsive to IBA, and IBA 200 ppm concentration gave better results to the betung bamboo branch cuttings than IBA 0 ppm (control), 100 ppm, 300 ppm, and 400 ppm concentration. Based on this study, it was recomended to use 200 ppm of IBA for betung bamboo branch cutting. Keywords : betung bamboo, branch cutting, indole butyric acid
Impacts of Tractor Logging on the Diversity of Ground Ants (Hymenoptera: Formicidae) in Natural Production Forest of Central Borneo
Authors: Budiaman Ahmad , Haneda Noor Farikhah , Indahwati Indahwati , Wahyudi Aziz Fajar , Afsari Ria Dwi , Gifari Reza Aulia 
Published: May 2020

Tractor logging in tropical forest concession disturbs the life of soil surface organisms, including ground ant. Ground ant has an important role in determining soil fertility. The study aimed to analyze the impact of tractor logging on the diversity of ground ant (Hymenoptera, Formicidae) in the natural production forest. Two transect lines of 100 m length and 200 m distance between lines were placed in four different cutting compartments, i.e., currently logged, one month after logging, two months after logging, and unlogged. Ground ant was collected using a pitfall trap. The environmental factors (density of understorey plants, canopy cover, soil compaction, litter thickness, temperature, and humidity) were measured at the setting location of pitfall trap. Analysis of variance (ANOVA) was used to determine the mean difference between treatments. Pearson correlation test was used to determine the correlation between insect abundance and environmental factors. The results of the study indicated that there was a significant difference in the abundance of the ground ant after logging and before logging. The abundance of ground ants after logging was lower than before logging. The abundance of ground ants among skidded plots was not significantly different. Soil compaction due to tractor logging, litter thickness, and temperature did not significantly affect the abundance of ground ants. The ground ant composition did not change due to tractor logging.Keywords: environment impact, forest conservation, forest disturbance, forest ecosystem
Citronella (Cymbopogon nardus L.) Oil Yield Analysis Planted with Agroforestry and Monoculture Patterns on Post-Coal Mining Revegetation Land
Authors: Juliarti Anna , Wijayanto Nurheni , Mansur Irdika , Koesoemaningtyas Tri 
Published: May 2020

Lemongrass (Cymbopogon nardus L.) is an economically valuable plant that produces citronella oil and could grow on marginal lands. This study aimed to analyze citronella oil yields planted with agroforestry and monoculture patterns in a post-mining revegetation area. The treatment consisted of 3 factors, namely planting pattern, fertilizer dosage, and plant spacing. The measured variable was the citronella oil yield. The study was conducted by planting two lemongrass varieties i.e., Sitrona 2 Agribun Variety dan G2 Variety in the agroforestry and monoculture areas. The study was conducted for 12 months with three harvest times, i.e., in the 6th, 9th, and 12th months. The results showed that planting patterns significantly affected the citronella oil yield. Planting pattern of Monoculture-Sitrona 2 Agribun Variety (P4) produced the highest oil yield (1,95%). Plant spacing and dosage of bokashi fertilizer did not significantly affect the citronella oil yield. The Monoculture-Sitrona 2 Agribun Variety (P4) significantly increased the oil yield compared to the Agroforestry- Sitrona 2 Agribun Variety (P2), Monoculture-G2 Variety (P3), and Agroforestry-G2 Variety (P1) with a respective oil yield of 1,95% (P4), 1,50% (P2), 1,01% (P3), and 0,99% (P1). Sitrona 2 Agribun Variety tended to produce a higher oil yield than the G2 Variety. Keywords: agroforestry, citronella oil, lemongrass, oil yield, revegetation
Cost Analysis of Furniture Production: A Case Study at Mebel Barokah 3, Marga Agung Village, Lampung Selatan
Authors: Rahmah Naili , Kaskoyo Hari , Saputro Sumaryo Gito , Hidayat Wahyu 
Published: May 2020

Analysis of production costs and revenues is important to reduce the risk of financial losses and increase company profits. The results of this analysis can be used as a reference in determining policies that can determine the direction of company development. However, many small and medium-sized enterprises (SMEs) have not done a cost and revenue analysis, which can affect the company's sustainability in the future. The objective of this study was to analyze the total production costs and revenues of an SME in a one-year production period (August 2018 – July 2019). The study was conducted by calculating fixed costs and variable costs at Mebel Barokah 3, an SME that produces furniture based on orders. The total revenue, revenue-cost ratio (R/C), and the break even pont (BEP) were also calculated. The results showed that the total production cost was IDR 455.855.730/year and the total revenue was IDR 89.794.270/year. The value R/C reached 1,19 and the value of BEP reached IDR 211.644.908/year. The values indicated that this business was economically profitable and reached BEP at the sales of IDR 211.644.908/year. The company should consider the costs incurred, improve work efficiency, and expand the market to achieve business sustainability in the future.Keywords: furniture, income, production costs, revenue, small and medium-sized enterprise
Vegetation Condition of Community-Managed Forests in Aik Bual Village and Setiling Village, Lombok Island
Authors: Idris Muhamad Husni , Latifah Sitti , Setiawan Budhy 
Published: May 2020

Community-based forest management practices vary according to biophysical and management factors. This study aimed to explain the vegetation conditions of community-based forest management in Aik Bual and Setiling village, Lombok Tengah. The study site was divided into protected forest areas (HL) in Aik Bual Village with a legal community forest permit (Aik Bual-HKm), HL in Setiling Village with no legal community forest permit (Setiling-Non Permit), and HL in Aik Bual Village with no legal community forest permit (Aik Bual-Non Permit). Field measurement was conducted in July 2018 by establishing 12 plots of 20 m x 20 m. Each plot consisted of subplots of 10 m x 10 m, 5 m x 5 m, and 2 m x 2 m to collect data of woody and non-woody plants with the criteria of diameter (D) as follows: D ≥ 20 cm, 10 cm ≤ D < 20 cm, 2 cm ≤ D <10 cm, and D < 2 cm with tree height of < 1,5 m, respectively. The results showed that Aik Bual-HKm, Setiling-Non Permit and Aik Bual-Non Permit had 24, 13 and 22 species, respectively. Dominant species of vegetation at D ≥ 20 cm were Erythrina variegata and Swietenia macrophylla, at 10 cm ≤ D < 20 cm were Musa paradisiaca and Durio zibethinus, at 2 cm ≤ D < 10 cm was Coffea canephora, and at D < 2 cm were C. canephora and S. macrophylla. Vegetation diversity index (H') of plants at D ≥ 2 cm in Aik Bual-HKm was slightly higher (H'=1,78) than that in Setiling-Non Permit (H’=1,04) and Aik Bual-Non Permit (H’=1,15), although these are classified as moderate. The results illustrated the possible differences of vegetation diversity in community-managed forests with and without legal permission.Keywords: agroforestry, land tenure, protected forest, vegetation analysis
Vegetation Structure and Carbon Stocks in Secondary Forests of Muara Merang Forest Complex, South Sumatera
Authors: Heriyanto Nur Muhammad , Priatna Dolly , Samsoedin Ismayadi 
Published: May 2020

Primary natural forests generally have higher biodiversity and biomass compared to secondary forests. This study aimed to analyze the species composition, forest structure, biomass and carbon stock in the Old Secondary Forest (HST), Young Secondary Forest (HSM), and Old Shrub Forest (HBT) in Peatland Protection Area, Musi Banyuasin Regency, South Sumatera Province. Forest inventory was conducted in measurement plots of 100 m x 100 m in the HST, HSM, and HBT. The results recorded 39 species of 20 families and 565 standing trees with a diameter of ≥ 10 in the HST, 48 species of 20 families and 430 standing trees in the HSM, and 2 species of 1 family and 4 standing trees in the HBT. Vegetation at the tree level in the HST was dominated by Eugenia sp., Alseodaphne insignis, and Adenanthera pavonina, while the HSM was dominated by Macaranga maingayi, Koompassia malaccensis, and Alseodaphne insignis, and the HBT was dominated by Acacia mangium and Acacia crassicarpa. The biomass and carbon stock of standing trees in the HST were 181,61 t/ha and 90,79 t C/ha, respectively; in the HSM were 117,04 t/ha and 58,51 t C/ha; while in the HBT were 1,33 t/ha and 0,66 t C/ha. The results revealed that carbon stock in the HST was higher than that in the HSM and HST.Keywords: carbon stocks, carbon uptake, Musi Banyuasin, peatlands, vegetation structure