Claim Missing Document
Check
Articles

Found 19 Documents
Search
Journal : Peronema Forestry Science Journal

Analisis Pendugaan Konsumsi Air dan Nilai Ekonomi Air Sungai Parsariran untuk Kebutuhan Sektor Rumah Tangga Aswin Pratama; Siti Latifah; Yunus Afifuddin
Peronema Forestry Science Journal Vol 3, No 2 (2014): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1119.26 KB)

Abstract

Water is the most essential need for human and people will pay no matter how to get it, so that the water can be said a non economic good. The forest as the main function of the Hydrological cycle which is a unified system that can’t be separated, but the people in Hapesong Baru village still not understand the value of economic benefits available from water in the Parsariran River. This study aimed to determine the economic value of water in quantitative household in subdistrict of Batang Toru and to determine the economic value estimate household water needs from Parsariran River. This study conducted on August 1 to September 7, 2013, using the model cuantitative collecting data through interviews with respondents. The result showed that the value of the benefits of total household water is Rp. 28,482,522,- - in one year, with an average value of benefits domestic water obtained is Rp. 418 860 , - in one year/household. The model estimates the economic value of water equal to the household sector is Y = 19,86 X1-0,0618. The results can be seen that the value of the economic benefits of domestic water has contributed greatly to the needs of the community .Keywords: Water Consumption Prediction, Economic value of water, Parsariran River
Pendugaan Emisi CO2 dan Kebutuhan O2 Serta Daya Serap CO2 dan Penghasil O2 Pada Taman Kota dan Jalur Hijau di Kota Medan Ahmad Rivai; Pindi Patana; Siti Latifah
Peronema Forestry Science Journal Vol 5, No 1 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (559.079 KB)

Abstract

Carbondioxide (CO2) produced by the fumes and industrial activities can harm humans if there are no trees or urban forests that can absorb CO2 and emissions resulting from human activities. Therefore, an effort to reduce air pollutants such as CO2 gas in urban areas, especially the city of Medan is a way to build a green open space in the form of urban forests. This study aimed to calculate the amount of CO2 emitted and the amount of O2 required in Medan based emissions from motor vehicles, human respiratory and industry and widely suspected optimal urban forest based on the function of absorbing CO2 and producing O2. Estimation results indicate that the total CO2 emissions in the city of Medan in 2014 amounted to 2,659,091.01 tons while demand for O2 in Medan in 2014 amounted to 2,430,843.07 tons . So the ability of the urban forest in the form of urban parks and green line in absorbing CO2 14683.84 tons and the capability of producing O2 amounted to 5551.2 tons .Keywords : CO2 emissions , O2 Demand, CO2 Absorbance, O2 Production, city park, green belt.
Pendugaan Karbon Tersimpan di Berbagai Jalur Hijau Jalan Arteri Sekunder Kota Medan Bagian Tengah (Estimation of Carbon Stored in Different Green Line Arterial Road Secondary Central Part of Medan City) Elisa Manik; Siti Latifah; Pindi Patana
Peronema Forestry Science Journal Vol 5, No 1 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (937.352 KB)

Abstract

Green belt is one of the green open spaces are quite effective in absorbing carbon emissions and pollutant gases around the highway in the city.  Plants were grown in a green belt has the ability to absorb carbon emissions. Because it is necessary to do the calculation of the carbon stored in various green belt in the secondary arterial roads Medan city. The purpose of this research was to calculate the potential carbon is stored in various green belt in the secondary arterial roads Medan. Sampling lines and plant samples was conducted using purposive sampling and census methods. Calculation data using allometric models. The results showed that there are 8 types of plants on the green belt of research of the kind that most dominating is Palem Raja (Oreodoxa regia). The highest value of carbon stored by type of plant found in plant angsana (Pterocarpus indicus) with a total value of carbon stored in the 8 green belt, namely 525,337 Ton/Ha, or an average of 65,67 Ton/Ha. The highest value of carbon stored by the green belt of research there is on the path to Balai Kota street, district of Medan Barat with a value of 274,985 Ton/Ha. Keywords: green belt, carbon stock, secondary arterial roads, allometric models.
ANALISIS KELAYAKAN FINANSIAL AGROFORESTRI SUREN (Toona sureni Merr.) DAN KOPI ARABIKA (Coffea arabica L.) Hana C. Situmeang; Siti Latifah; Alfonsus H. Harianja
Peronema Forestry Science Journal Vol 5, No 2 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (654.449 KB)

Abstract

The research is purposed to assess the financial feasibility of agroforestry system which consisted of “suren” (Toona sureni Merr.) and arabica coffee (Coffea arabica L.) in Aek Nauli and Sipolha Horizon Village, North Sumatra. The data was collected from farmers in both villages from March up to July 2015, then analysed using financial feasibility parameters such as NPV, BCR, and IRR. The results shows that this farming system is financially feasible at the interest rates of 5,65% for the average farming scale amounted to 0,22 hectares per 15 years cycle. This system emerges NPV value IDR. 166.792.215,73/cycle/farm, BCR value is 22,80, and IRR is 38,90%. Based on these findings it is needed to compensate additional input for the farmers who can’t harvest their suren which is located on the buffer zone because the stands are utilized to conserve the vulnerable site. Keywords: financial feasibility, agroforestry, intercropping, arabica coffee, suren (Toona sureni)
PENDUGAAN CADANGAN KARBON TUMBUHAN BAWAH PADA TEGAKAN MINDI (Melia azedarach) DAN MAHONI (Swietenia macrophylla) Immanuel Sihaloho; Muhdi Muhdi; Siti Latifah
Peronema Forestry Science Journal Vol 5, No 2 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (837.15 KB)

Abstract

Measurement of carbon stock is very important to know how much carbon that can be absorbed by plants. Object of this research was the understorey on stands Mindi (Melia azedarach) and Mahoni (Swietenia macrophylla). The method of measurement used is the destructive sampling method that is the way to harvest the entire understorey which is at 1m x 1m sample plots.  The results of this study indicate that the type of stands under the influence of the composition of the existing understorey under the stand so that the carbon content in the understorey was different. The average of carbon understorey on the second stands is 1.08 tons/ ha. Keywords: understorey, Mindi (Melia azedarach) Mahoni (Swietenia macrophylla), carbon stock.
Perencanaan Penghijauan dengan Menggunakan Aplikasi Sistem Informasi Geografis (SIG) (Studi kasus di Kecamatan Medan Tuntungan, Kota Medan) Muara Tarigan; Siti Latifah; Rahmawaty Rahmawaty
Peronema Forestry Science Journal Vol 5, No 2 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1030.345 KB)

Abstract

Urban reforestation is one of the efforts made to bring the city into an residential area that  environmentally insights with a beautiful atmosphere, harmonious and cool which can be done in many ways. Many urban lands were converted into residential functioned and shops. This research aimed to determine which area has the potential to be developed into a reforestation area. The method was divided into two phases of data collection and data processing stage. The results of this study indicated that the Medan Tuntungan district level has a greenish relatively balanced with data showing the percentage of green open space of 25.27%. Areas that could potentially be used as the location of the greening plan were Simpang Selayang Village, Tanjung Selamat Village, Lau Cih Village, Namu Gajah Village and Kemenangan Tani Village. Keywords:   Reboisation Planning, Geographic Information Systems (GIS), Medan Tuntungan District, Planning.
ANALISIS PENDAPATAN PETANI SILVOPASTURA DI DESA AMAN DAMAI, KECAMATAN SIRAPIT, KABUPATEN LANGKAT Sahroni Lubis; Siti Latifah; Tri Martial
Peronema Forestry Science Journal Vol 5, No 2 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1301.02 KB)

Abstract

Forest land use to agriculture recognized cause problems such as decreased soil fertility, erosion, extinction of flora and fauna, floods, droughts and even global environmental change. One land management system to tackle this problem is the model of agroforestry. Silvopastura management in the village of Aman Damai is still underdeveloped, and the lack of research related to land management system with silvopastura. Based on this, the study aims to identify the components of silvopastura, to know silvopastura practice contributes to the household income, and analyze factors that affect the income of silvopastura farmers in the Aman Damai of village. This research was done in May 2015. Sampling was done by purposive and methods used in the form of multiple linear regression analysis. The research showed that Component of silvopastura In Aman Damai village include component (wood plants) in the form of multipurpose tree species (MPTs) with the components of the farm (pasture). Multipurpose tree species that was developed is avocado, star fruit, durian, guava, citrus, cocoa, rubber, kuini, olive, mango, jackfruit, petai, Rambe, rambutan, and sapodilla. While the type of pasture being developed are chickens, goats, buffaloes, and cows. Silvopastura practices contribute to the household income of Rp. 397. 368. 000 (52.56%), greater than the contribution of farming to household income is Rp. 358.800.000 (47, 44%). The independent variables that significantly affect the dependent variable is a variable number of pasture and land ownership. Keywords : Farmers income, Silvopastoral, Multipurpose trees species (MPTS), Aman Damai Village.
ANALISIS BIOMASSA DAN CADANGAN KARBON BAMBU BELANGKE Sehat Martua Pasarbu; Siti Latifah; Muhdi Muhdi
Peronema Forestry Science Journal Vol 5, No 2 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1084.858 KB)

Abstract

Bamboo is a group of plants that have the ability to absorb CO2 in high concentrations because having the number of stomata on bamboo leaves relatively tight and has are more than 500 stomata per mm2. Thus bamboo plant can be used as an effective bioakumulator which can reduce carbon emissions in the atmosphere. The purpose of this study was to determine the biomass content of bamboo, and                    (carbon stocks) in the public forests of bamboo and analyze the uptake of CO2 in bamboo plantations community forest Belangke (Gigantochloa pruriens Widjaja). The method used in this study is a destructive method. Sampling was done by purposive sampling felling. The results  showed the best allometric equations for mass content of the biomass and    carbon was  W = 173.889-533.233D+4.262D2 for biomass content and          C = 54.606-D-16.386+1.297D2 for carbon mass. The potential of biomass and carbon stocks in Forest Community Durin Serugun village, Sibolangit sub-district, Deli Serdang District is 16.59 tonnes / ha and 6.08 tons C / ha. Keywords: Biomass analisys, Carbon stock, Bambu belangke (Gigantochloa pruriens Widjaja), Community Forest, Desa Durin Serugun.
ANALISIS DAN PENGEMBANGAN KAWASAN WISATA KAWAH PUTIH KECAMATAN SILAU KAHEAN, KABUPATEN SIMALUNGUN, PROVINSI SUMATERA UTARA Polman Roni Tua S; Siti Latifah; Pindi Patana
Peronema Forestry Science Journal Vol 5, No 3 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (528.939 KB)

Abstract

Kawah Putih Dolok Tinggi Raja is a target destination of tourist attraction in Simalungun. One of the benefits that can be gained is the development of natural forest areas for ecotourism. This study aims to (1) analyzing the potential attraction to Kawah Putih for the development of ecotourism. (2) to analyze the problems of nature tourism development strategy in the region SWOT attractions. This researched used Analysis SWOT. The result showed that the Attraction Nature Kawah Putih  has decent potential to be developed on the level 72,91%, and the feasibilty of the SWOT of analysis are quadran I, which means to have strength and opportunities can develop a tourist attraction. Keyword : development, Kawah Putih, potential attractions, Simalungun District