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All Journal Peronema Forestry Science Journal Aquacoastmarine Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Prosiding Seminar Nasional Pengabdian kepada Masyarakat (SINAPMAS)
Yunus Afifuddin
Program Studi Kehutanan, Fakultas Pertanian, Universitas Sumatera Utara, Jl. Tri Dharma Ujung No. 1 Kampus USU Medan 20155
Agriculture, Biological Sciences & Forestry Humanities Law, Crime, Criminology & Criminal Justice Social Sciences Other

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PEMETAAN HUJAN ASAM OLEH KEGIATAN INDUSTRY DI KECAMATAN MEDAN DELI, KOTA MADYA MEDAN, KAWASAN INDUSTRI MEDAN (KIM) David Leo Tarigan; Rahmawaty Rahmawaty; Yunus Afifuddin
Peronema Forestry Science Journal Vol 5, No 1 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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Abstract

Activities of a factory/industrial pollution may lead around Medan Industrial Area (MIA). Effect of pH changes in industrial activity resulted in rain water in the vicinity of the industries, based on the reason for zoning was made to determine how far the greates impact due to the industrial activity of the pH level of rain fell in the area around Medan Industrial Area (MIA) with the aim to determine the effect of the state of industrial activity in Medan Industrial Estate to the acidity of rain falling in the area around the Medan Industrial Area (MIA). Rainwater harvesting tool mounted in an open area by using graduated observatory type rain. Equipment mounted as high as 120 cm on an open area of land located at the sites. The parameters analyzed were pH, NOX and SOX. Results of observations show that rain water collected in Medan Industrian Estate area tends to be acidic. Keywords: Medan Industrial Area (MIA), acid rain and pH
Analisis Biaya dan Produktivitas Produksi Kayu Pada Hutan Tanaman Industri (Studi Kasus: PT. Sumatera Riang Lestari-Blok I Sei Kebaro, Kabupaten Labuhanbatu Selatan dan Kabupaten Padang Lawas Utara) Warsein Roy M. Sitohang; Muhdi Muhdi; Yunus Afifuddin
Peronema Forestry Science Journal Vol 5, No 2 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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Abstract

Analysis of costs and productivity of timber production is done in PT. Sumatera Riang Lestari. This research was conducted since August 2014 until September 2014. The purpose of this research is to analyze the cost of harvesting that focus on the stages of harvesting, the division of the stem, stacking, stripping, extraction, loading and analyzing productivity and harvesting of timber in HTI PT. Sumatera Riang Lestari. The method of analysis in the sampling trees is done by purposive sampling. To analyze the cost of harvesting used calculation formulas fixed costs and variable costs (variable). To analyze the productivity of harvesting is done by calculating the productivity of timber extraction from the location of HTI to sawmills with conveyances (truck). Data in the calculation of costs and productivity of timber harvesting obtained by direct observationin the field. The research results showed that the cost of harvesting, fixed and variable costs (variable) used is IDR 288.243/hour and IDR 398.849,38/hour. Productivity harvesting of timber obtained in plantation forests (HTI) PT. Sumatera Riang Lestari is 314,80 m3/day. Keyword: Cost Analysis, harvesting productivity, Industrial Plantation Forest, PT. Sumatera Riang Lestari.
ANALISIS KERUGIAN DAN PEMETAAN SEBARAN SERANGAN RAYAP PADA BANGUNAN SEKOLAH DASAR NEGERI DI BAGIAN TIMUR KOTA PEKANBARU Nico Christian; Yunus Afifuddin; Lutfhi Hakim
Peronema Forestry Science Journal Vol 5, No 3 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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Abstract

Termites were one of the most important wood destroying organisms because of the damage caused by it was the largest compared with other wood destroying organism. One of the targets of termites attacks that were rarely investigated were school buildings. The purpose of this research was to get the amount of damage and economic losses caused by termites attacks on public elementary school buildings in the Pekanbaru city. The mapping of the distribution of termite attack by using a Geographic Information System (GIS). The method used in this research is purposive sampling which means directly choose the samples that were going to be selected as the subject of the research. From the result of the research, it was found that 100% of public elementary school buildings sampled attacked by termites with the percentage of 43,33% suffered moderate damage and 56,67% suffered minor damage. Keywords: Termites, School building, Economic losses.
EKSPLORASI TUMBUHAN OBAT DI HUTAN LINDUNG LUMBAN JULU KECAMATAN LUMBAN JULU KABUPATEN TOBA SAMOSIR Alexander Manurung; Yunus Afifuddin; Lamek Marpaung
Peronema Forestry Science Journal Vol 5, No 3 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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Abstract

Lumban Julu protected forest had a huge potential in supply of raw material of medicinal plants. The research was conducted to explore the medicinal plants in the forest. This research aimed to identified species of medicinal plants, analyzed diversity of medicinal plants and analyzed secondary metabolites of medicinal plants. This exploration research of medicinal plants had three stages method. First stage was local knowledge aspect with survey local knowledge. Second stage was biodiversity aspect of medicinal plants with analysis of vegetation data collection. Third stage was phytochemical aspect with detected contain of secondary metabolites. Medicinal plants were obtained as many as eight species with the highest importance value index was Paet-paet (Tithonia diversifolia) at 39.46 and the lowest importance value index was Ciplukan Mini (Physalis minima) at 10.92. Value Shannon-Wiener index of general diversity  (H`) at 1.83, this is showed that the diversity of medicinal plant species in Lumban Julu protected forest was medium. Secondary metabolites test showed Ciplukan Mini (Physalis minima) had complex secondary metabolites. Keyword: Exploration, medicinal plants, secondary metabolite
POTENSI TUMBUHAN OBAT DI CAGAR ALAM DOLOK SAUT, DESA PANSUR NATOLU, KECAMATAM PANGARIBUAN, KABUPATEN TAPANULI UTARA Marjuki Sihombing; Irawati Azhar; Yunus Afifuddin
Peronema Forestry Science Journal Vol 5, No 3 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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Abstract

Dolok Saut Preserve as a part of protected forest has many forest products potency, especially medical plants. However, data of medical plants that grow in the preserve had not been documented, so that need to be done of research to analyze the biodiversity and potential of medical plants in Dolok Saut Preserve. The purpose of the research was to know the potential and biodiversity of medical plants in Dolok Saut Preserve. The research had been done in November 2015 to December 2015. The method that used is purposive sampling plots with 20x20 meter square width. The species and the quantity of medical plants that found at preserve was identified.The result of medical plants biodiversity showed 12 species of medical plants. The biodiversity of medical plants in Dolok Saut Preserve at undergrowth stafe was 2,07, seedling stage was 0,23, saplings stage was 0,43, poles stage was 0,38, and trees stage was 0,58. Keywords : biodiversity, Dolok Saut Preserve, medical plants
POTENSI TUMBUHAN BERACUN SEBAGAI BAHAN BIOPESTISIDA DI CAGAR ALAM DOLOK SAUT Fransiscus Sihombing; Irawati Azhar; Yunus Afifuddin
Peronema Forestry Science Journal Vol 5, No 3 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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Abstract

The very high use of chemical pesticides in the agricultural sector is more alarming nowadays. The negative impact of chemical pesticides are health problems in humans and damage to the environment, so it is necessary to find the alternative to overcome this problem. An alternative is by using biopesticides which utilizing poisonous plants that exist in nature. The research is conducted in the Cagar Alam Dolok Saut, Desa Pansur Natolu, Kecamatan Pangaribuan, Kabupaten Tapanuli Utara by using purposive sampling method and shaped transect sample plots, with a total of 98 plots. The purpose of this research is to identify the potential poisonous plants as a biopesticide in conservation area of Dolok Saut. There are 3 aspects of assessment that have been done; local knowledge aspect, diversity aspect and phytochemical aspect. Result shows that there are 9 types of poisonous plants that have been found: Apus Tutung (Clidemia hirta), Modang lalisiak (Ficus sinuata Thunb), Sitanggis (Belamcanda sp.) Dong-dong (Laportea stimulant Gaud) Antaladan (Xanthosoma sp.) Birah (Alocasia arifolia), Tahul-tahul (Nepenthes mirabilis), Bedi-bedi (Callicarpa dichotoma) and Langge (Homalomena javanica). All of samples are identified as having a potential to be used as biopestisida ingredients because they contain secondary metabolites alkoloid, saponins, tannins terpenes and flavonoids.
KEANEKARAGAMAN JENIS TUMBUHAN OBAT DI HUTAN KEMASYARAKATAN KESATUAN PENGELOLAAN HUTAN UNIT XIV TOBA SAMOSIR Julita Dewi Pratidini Limbong; Rahmawaty Rahmawaty; Yunus Afifuddin
Peronema Forestry Science Journal Vol 5, No 4 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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Abstract

Medicinal plant is one of non-timber forest products whose parts can be used for medicine.This study analyzed the diversity of medicinal plants species in Community Forest (Hutan Kemasyarakatan) at Toba Samosir Forest Management Unit (KPH  Unit XIV Toba Samosir). This study was conducted in February to May 2015 in Ajibata Sub-District, Toba Samosir District.  Surveys (systematic random sampling with random start method) were conducted within the Community Forest.  Senduduk buluh (Clidemia hirta) was the most abundant species which were found  (12.09%) followed by putri malu (Mimosa pudica) (0.08%) and jahe (Zingiber officinale) (0.07%) of the total of medicinal plants in Community Forest. Species diversity in the community forest could be classified as high. therefore, the preservation of medicinal plant species in this community forests need to be maintained and enhanced for the benefit of community.Keywords: Community forest, Forest Management Unit, medicinal plant , Toba Samosi
Pengaruh Mulsa Organik Anyaman Daun Sawit Dan Interval Penyiraman Terhadap Pertumbuhan Bibit Sukun (Artocarpus communis) Tria Yunita Sinaga; Budi Utomo; Yunus Afifuddin
Peronema Forestry Science Journal Vol 5, No 4 (2016): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

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Abstract

Degradation and deforestation of forest caused reduction vast and quality of forests. One of the solution to overcome this are reforestation and afforestation. Before replanting in the field needed seedlings with a good level of environmental adaptation that is by breeding improved varieties. Breadfruit is a plant that has a strong root system that can be a deterrent intrusion barriers to erosion and sea water. This research aims to get optimum organic mulch density and watering interval to growth of breadfruits. This research has done in green house at Agriculture Faculty of the University of North Sumatera (USU). The method used to analyze the effect of organic mulch woven palm leaf and watering interval to growth of breadfruits for 5 months. The observed parameter is height, diameter, number of leaves, leaves width, canopy width, length of roots, dry weight of  roots and moisture levels of leaves. Analysis data using the factorial complete random design (RALF). This research results showed that organic mulch woven palm leaves and watering interval significantly effect to growth of breadfruits except diameter parameter. Interaction of both aren’t significantly effect for all parameters. Keywords : Green house, breadfruits (Artocarpus communis), mulch.
Peta Sebaran Salinitas Pada Sumur Bor di Desa Percut Kecamatan Percut Sei Tuan Kabupaten Deli serdang Deliana Dongoran; Yunus Afifuddin; Riri Ezraneti
AQUACOASTMARINE Vol 2, No 1 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 1, AGUSTUS 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

The rapid development of technology, followed by the development of the residents,this resulted in the siphoning of water by society include on wellbore massively which resulted in the decrease of fresh water surface elevation with the result that be lower than the sea level. The purpose of this reseach was to analyze salinity value and typesof waterat each sample pointon Wellbore, thesalinity distribution maps, influence of the depth to well salinity, and looking for away of managing water resources in Percut village, Sub-district of Percut Sei Tuan District of Deli Serdang. This reseach used Arcgis 9,3 software to got salinity distribution map. The result showed that well sanility in every stasiun was different. Salinity average was 333 – 2333 mg/l and in category of fresh water was 8,5%, brackish water was 23,6% and middle 67,9%. At depths of 20 – 100 meters, water were included in very good category not found was discovered at a depth of>100 meters. It showed that water in percut village was not suitable as drinking water.Keywords : Map, Salinity, wellbore.
PETA SEBARAN SALINITAS PADA SUMUR BOR DI KELURAHAN BELAWAN II KECAMATAN MEDAN BELAWAN Intan Iksaura Ginting; Yunus Afifuddin; Desrita Desrita
AQUACOASTMARINE Vol 2, No 1 (2014): JURNAL AQUACOASTMARINE VOLUME 2, NO 1, AGUSTUS 2014
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara

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Abstract

People activity in sub district Medan Belawan II require very large. The purpose of this research was to analyze of salinity values and the type of water well drilling in the area of research, analyze the effect of depth of the well to salinity value, analyze salinity distribution map and figuring out how to manage water resources in Belawan II village. This research was conducted on june-july 2013 in village Belawan II, Subdistrict Medan Belawan, Medan. This research used ArcGIS 10 to got a map of the distribution of salinity. The result showed that number of wellbore included in good classification (333mg/l) was 4%, permitted (666-1333 mg/l) was 27%, doubting (1666-2000 mg/l) was 46% and dangerous (2333-3000 mg/l) was 24%. Freshwater was 4%, between fresh water and brackish water was 27% and brackish water was 69%. at a depth of 65-100m, were included in dangerous category was 24%, suspect 18%, allowed 1% and good category not found. At a depth > 100 meters the waters were included in the hazardous category not found, suspect 9%, allowed 44%, and good category was 4%. The most dominating salinity distribution was 1666 mg/l-2000 mg/l were included in suspect category. The most dominating salinity distribution was 1666 mg/l-2000 mg/l were included in suspect category. This result showed that intrusion has occurred in the wellbore, and the water quality wasn’t good to serve as drinking water.Keyword : Intrusion, Salinity, Wellbore
Co-Authors ABDUL RAUF Achmad Siddik Toha Adrian Hilman Agus Purwoko Ahmad Baiquni Rangkuti Ahmad Sadeli Alexander Manurung Alfan Gunawan Ahmad Apri Heri Iswanto Ardiansyah Muda Lubis Arina, Hafizah Aswin Pratama Bobby Raya Simanjuntak BUDI UTOMO David Leo Tarigan Deliana Dongoran Desrita Desrita Eddy Mirwandhono Erni Jumilawaty Fitra Dewi Warti Lubis Fransiscus Sihombing Friska Silitonga Hafnita Misrawati Harahap Intan Iksaura Ginting Irawati AZHAR Irwansyah Banurea Jon Herianta Ginting Julita Dewi Pratidini Limbong Lamek Marpaung Lutfhi Hakim Luthfi Hakim Luthfi Hakim Luthfi Hakim M. Hakim Muslim Ma'rifatin Zahrah Mariah Ulfa Marjuki Sihombing Meita Endasura Miduk Sihombing Moehar Maraghiy Harahap Muhdi Muhdi Musawir Nasution Nico Christian Nurdin Sulistiyono Oding Affandi Okto Prayitno Siahaan Ori Yani Yunilda Pardamean Abadi Pindi Patana Rahmawaty Rahmawaty Rahmawaty Rahmawaty, Rahmawaty Ricardo Felixon Simatupang Ricky Situmorang Ridwanti Batubara Ridwanti Batubara Riri Ezraneti Sekar Indah Putri Barus Siti Latifah Siti Latifah SITI LATIFAH Tati Vidiana Sari Tria Yunita Sinaga Ulfah Hanum Nasution Warsein Roy M. Sitohang Wilda Hasanah Harahap Yulia Siti Maisaroh