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All Journal MEDIA KONSERVASI Jurnal Ilmu Lingkungan KOMUNITAS: INTERNATIONAL JOURNAL OF INDONESIAN SOCIETY AND CULTURE ASEAN Journal on Hospitality and Tourism Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Forum Geografi Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Penelitian Sosial dan Ekonomi Kehutanan BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Envirotek : Jurnal Ilmiah Teknik Lingkungan Jurnal Sylva Lestari Jurnal Teknologi Lingkungan Indonesian Journal of Forestry Research

Hermawan, Rachmad

IPB University

Author-ID : 3023642

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Physics Social Sciences

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HUJAN ASAM PADA BEBERAPA PENGGUNAAN LAHAN DI KABUPATEN DAN KOTA BOGOR (Acid Rain on Several Landuses in Bogor Regency and City) R. Puripuspita Sari; Siti Badriyah Rushayati; Rachmad Hermawan
Media Konservasi Vol 12 No 2 (2007): Media Konservasi
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Acid rain is caused by increasing air pollution. The emission of sulphur dioxide and nitrogen dioxide from fossil fuel combustion into the atmosphere, which is followed by a chemical transformation (hydrolysis) into sulphuric and nitric acid, causes acid rain. The study was conducted on four (4) locations with different landuses. The lowest pH of rainfall was on industrial area, whereas the highest pH of rainfall was on vegetation area. pH of rainfall in beginning of rainy season was lower than pH of rainfall in middle of rainy season.Keyword : Acid rain, pH, landuse, rainfal

PENURUNAN POLUSI TIMBAL OLEH JALUR HIJAU TANJUNG (Mimusops elengi Linn) DI TAMAN MONAS JAKARTA PUSAT [Decreasing Lead Pollution by Tanjung (Mimusops elengi Linn) Green Belt in Taman Monas, Central Jakarta] Lindri Suyanti; Siti Badriyah Rushayati; Rachmad Hermawan
Media Konservasi Vol 13 No 1 (2008): Media Konservasi
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Lead (Pb) concentration in the air emitted by fuel combustion from motor vehicles could be reduced by city green belt through the absorption and adsorption processes. The study was conducted to know the capability of tanjung green belt in Taman Monas in reducing lead (Pb) concentration emitted by motor vehicles fuel combustion. Pb concentration was measured using gravimetric method and analyzed using AAS (Atomic Absorption Spectrophotometer). The study showed that tanjung stand with 141 tree individuals in 13 rows were able to reduce Pb concentration with reduction rate of 0.26 μg/m3 in the morning, 0.30 μg/m3 in the day time, and 0.41 μg/m3 in the afternoon. Lead concentration in the air would increase with the increase of motor vehicles density. The green belt in Taman Monas could repair micro climate by reducing environmental temperature and increasing humidity.Keywords: Lead (Pb), green belt, tanjung (Mimusops elengi Linn), pollution

KAJIAN TIPE DAN BENTUK HUTAN KOTA KAWASAN DANAU RAJA KOTA RENGAT, KABUPATEN INDRAGIRI HULU, PROPINSI RIAU (Study on Type and Shape of Urban Forest in Danau Raja Area, Rengat City, Indragiri Hulu Regency, Riau Province) Rachmad Hermawan; Nandi Kosmaryandi; Jojo Ontarjo
Media Konservasi Vol 13 No 1 (2008): Media Konservasi
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Based on on the space use general plan of Rengat City year of 2003-2012, one of areas allocated for an urban green space is Danau Raja area. The area can be developed as an urban forest. The urban forest can increase aesthetical value, quality of urban environment and lead to a good image in sustainable development. Urban forest developed in the area is recreation type with the shape of a dispersed thing.Keywords: urban forest, type, shape

KAJIAN TIPE DAN BENTUK HUTAN KOTA KAWASAN DANAU RAJA KOTA RENGAT, KABUPATEN INDRAGIRI HULU, PROPINSI RIAU (Study on Type and Shape of Urban Forest in Danau Raja Area, Rengat City, Indragiri Hulu Regency, Riau Province) Rachmad Hermawan; Nandi Kosmaryandi; Jojo Ontarjo
Media Konservasi Vol 13 No 2 (2008): Media Konservasi
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

POTENSI DAN PEMANFAATAN JASA LINGKUNGAN KAWASAN KARST GUA GUDAWANG Joko Mijiarto; Tutut Sunarminto; Rachmad Hermawan
Media Konservasi Vol 19 No 1 (2014): Media Konservasi Vol 19. No. 1 April 2014
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Gudawang Cave Karst Area is one of the karst area that are located in Bogor. This karst area has the ecosystem service potential that aren’t maximally utilized. This happen because there's no information about what ecosystem service that owned by the manager. This condition leading to the need for identification ofecosystem service potential and its utilization by local community. Research was done at March to June 2013 through field observation, interview, and literature study. The result of this research indicated that from 10 identified cave all of them were natural habitat of wildlife as shown by 19 wildlife species that were discovered inside the cave. All of them were also potentialfor tourism because of the different characteristic in each caveidentified. As many as 8 from them are potential for carbon dioxide absorptionand water supply. Only 3 of all the identified cave that have beenmanaged as tourism object and only 1 of all the identified cave has been used as water supply for local community. Keywords : Ecosystem service potential, Gudawang Cave, Identification, Karst area, Utilization

PENGARUH JUMLAH BARIS TANAMAN JALUR HIJAU JALAN DALAM MEREDUKSI PARTIKEL TIMBAL (PB) DARI EMISI KENDARAAN BERMOTOR (STUDI KASUS JALUR HIJAU ACACIA MANGIUM JALAN TOL JAGORAWI) Rachmad Hermawan; Cecep Kusmana; Nizar Nasrullah; Lilik Budi Prasetyo
Media Konservasi Vol 16 No 2 (2011): Media Konservasi Vol. 16 Nomor 2, Agustus 2011
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Structure of roadside vegetation was assumed to have effects in reducing lead concentration in the ambient air. One of the structure factors was number of rows. The objectives of the research were: (a) to determine the effects of different number of plant rows in reducing lead concentration; (b) to determine the decreasing pattern of Pb particle concentration in the ambient air surrounding the roadside vegetation. Air sample to analyze the concentration of Pb particles in the ambient air was collected on 4 collection point: point emission (roadside), 5 m, 15 m and 30 m behind the roadside vegetation; air samples was also collected from an openspace plot. The results showed that differences of tree row number affected the decrease of Pb particle concentration; the more the number of tree rows, the greater the decrease of Pb particle concentration. Two plant rows of roadside vegetation had same capability with more two plant rows of roadside vegetation in reducing Pb particle concentration. There was a trend that the increasing distance of the roadside would decrease the level of Pb concentration. Keywords: Pb particle, roadside vegetation, plant row

JERAPAN DEBU DAN PARTIKEL TIMBAL (Pb) OLEH DAUN BERDASARKAN LETAK POHON DAN POSISI TAJUK: STUDI KASUS JALUR HIJAU Acacia mangium, JALAN TOL JAGORAWI Rachmad Hermawan; Cecep Kusmana; Nizar Nasrullah; Lilik Budi Prasetyo
Media Konservasi Vol 16 No 3 (2011): Media Konservasi Vol. 16 Nomor 3, Desember 2011
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Tree locations and crown positions was assumed to have effects on adsorption of dust and Pb particles by leaves. The objectives of the research were: (a) to determine the effects of tree locations and crown positions on adsorption of dust and Pb particles of leaves in roadside vegetation; (b) to determine the pattern of dust and Pb particle adsorption of leaves in roadside vegetation; (c) to determine correlation between dust and Pb concentration. Leaves samples was taken from the front and back part of the crown of three trees from each of the first three rows of the roadside vegetation. The samples were used to analysis dust and Pb concentration. The results showed that tree locations and crown positions affected adsorption of dust and Pb concentration of leaves. There was no interaction between tree locations and crown positions, but there was a decreasing trend from front part of the crown of trees1 until back part of the crowns of tress3. There was a correlation (R2= 0,755) between dust concentrations and Pb concentrations with equation of Y= 0,1403X-41,686 (Y= Pb concentration ; X= dust concentration). Keywords: roadside vegetation, Pb, dust, concentration, adsorption

KARAKTERISTIK KONDISI URBAN HEAT ISLAND DKI JAKARTA Siti Badriyah Rushayati; Rachmad Hermawan
Media Konservasi Vol 18 No 2 (2013): Media Konservasi Vol. 18 Nomor 2, Agustus 2013
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

DKI Jakarta area with high CO2 emission and 84,95 % of built-up areas (year of 2009) cause urban heat island (UHI). To overcome UHI problems, its characteristics must be known. Trend analysis of surface temperature areas was conducted by comparison of surface temperature spatial distribution of 2006 with 2010. UHI analysis based on geograpical coordinates were also conducted. High surface temperature of > 34 ºC was on inner city and decreasing to sub urban area. High surface temperature were especially on high density bulit-up areas. Priority of solving UHI problems are conducted on high surface temperature areas. Keyword: UHI, surface temperature, built-up area, trend analysis.

PERMINTAAN WISATA ALAM DI KOTA SEMARANG BAGI KELOMPOK USIA MUDA Ari Listyowati; E.K.S Harini Muntasib; Rachmad Hermawan
Media Konservasi Vol 18 No 2 (2013): Media Konservasi Vol. 18 Nomor 2, Agustus 2013
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Researh was done to know the potential and actual demands of nature-based tourism of young age group (15-24 years old) at Semarang City, and to determine the factors was influencing to tourism demand. Result of reseach was showed that the potential demand of nature-based tourism for young age group at Semarang City about 82.20% of the total number of young age group (241474 individuals).Potential demand of tourism based on tourism objects i.e mountain (20.144 individuals). beach (14.458 individuals), cave (9.322 individuals), and waterfall (7.458 individuals), Result of research also showed that the factors which influence the actual demand of tourism were parents occupation, interest foward tourism objects, reason of visit, and time of visit. Reason to visit the tourism area are enjoy the scenery and to find the fresh air. Keywords: Nature based tourism, potential demand, actual demand, young age group, Semarang City.

Carbon Stocks Potential Above Ground Surface in Taman Hutan Raya Pancoran Mas, Depok Dimaz Danang Al-Reza; Rachmad Hermawan; Lilik Budi Prasetyo
Media Konservasi Vol 22 No 1 (2017): Media Konservasi Vol. 22 No. 1 April 2017
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Global warming is the increase temperature of the atmosphere, ocean and terrestrial ecosystem that lead to global climate change. The global warming caused by the increase of atmospheric green house gases (GHGs), such as CO2, SOx, NOx and CH4. Deforestation will cause the increase of atmospheric GHGs, meanwhile reforestation will lowering atmospheric GHGs. In urban environment, Urban Open Space instead of enhance the aesthetical aspect of town, it also contribute to atmospheric carbon absorbtion through photosynthesis process and store the carbon in the form of biomass. The objectives of this research are to determine the potential of carbon stocks and analyze the relationship between LAI with potential carbon stocks in trees, Basal area, stand density at Tahura Pancoran Mas, Depok. Biomass of trees and woody nekromass calculated based on allometric equations, the calculated carbon content of 47% of the biomass. Carbon stocks potential in Tahura Pancoran Mas, Depok was 33,92 Mg/ha or carbon stocks potential with an area of 6 ha was 203,52 Mg C. The result of regression analysis shows that a relationship between LAI with stand density has the strongest relationship than the other. Selected regression model to estimate LAI is the stand density = -10,2 + 227 LAI with R2 is 0.60 and has a value of accuracy is 12,08%. Keywords: carbon stocks, LAI, stand density

Co-Authors Adjat Sudradjat Agus Hikmat Al-Reza, Dimaz Danang Andry Saputra Ani Mardiastuti Ardhana, Frisma Aulia Ari Listyowati Arif Kurnia Wijayanto Arif Kurnia Wijayanto Ario Vallentino Syahgatra Arzyana Sunkar Azahra, Siva Devi Aziza, Bella Bahruni . Bambang Eko Susilo Bambang Sulistyantara Batubara, Rima Pratiwi Dewi Fitriani Dias Pratami Putri Dudung Darusman Dudung Darusman Elly Malihah Elly Malihah Endang Koestati Sri Harini Muntasib Endes N Dahlan Endes N. Dahlan Endes N. Dahlan Ervizal A. M. Zuhud Ervizal A. M. Zuhud Ervizal A.M. Zuhud Eva Rachmawati Harnios Aerief Harnios Arief Hermanto Siregar Insan Kurnia Jarwadi B. Hernowo Jojo Ontarjo Joko Mijiarto LILIK BUDIPRASETYO Lin Nuriah Ginoga Lin Nuriah Ginoga Lindri Suyanti Luthfia Ainur Rahma Luthfia Ainur Rahma Luthfia Ainur Rahma Maranisya, Ulfi Marnaek, Ronald Hot Merzyta Septiyani Mohamad Iqbal MOHAMMAD RAZIF* and AHMAD ADIB Mona Annisa Matondang Mona Fhitri Srena Muhammad Afal Sainu Muhdin Nandi Kosmaryandi NIZAR NASRULLAH Nuno Alvares de A. Pereira Nyoto Santoso Occy Bonanza Oktovianus Oktovianus Oktovianus Prita Ayu Permatasari, Prita Ayu Putri Nabila R. Puripuspita Sari Resti Meilani Ricky Avenzora Rosikin, Rosikin Rusmin Tumanggor Salahuddin, Muhammad Al’Awali Saqinah Nur Rahmawati Sari, Devi Nur Indah Septita Dwi Listanti Siti Badriyah Rushayati Soekmad, Rinekso Syahraeni, Nur Tampubolon, Novelina Tania June Tsamarah Nada Saninah Tutut Sunarminto Yudi Setiawan Yudi Setiawan Yudi Setiawan Yudi Setiawan Yusran

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