Claim Missing Document
Check
Articles

Found 5 Documents
Search
Journal : Peronema Forestry Science Journal

PENDUGAAN CADANGAN KARBON PADA TEGAKAN AGROFORESTRI (STUDI KASUS DI DESA PARBABA DOLOK Lambok M. Siallagan; Rahmawaty Rahmawaty; Abdul Rauf
Peronema Forestry Science Journal Vol 4, No 4 (2015): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (782.968 KB)

Abstract

Changes in landuse and land cover change through forest conversion is the caused of global warming. Due to the climate change, agroforestry systems is estimated to have a high potential for carbon sequestration in the atmosphere. Agroforestry systems contribute to reducing the increase in atmospheric CO2 and other greenhouse gases by increasing carbon in the soil and reduce the pressure for forest clearing, where the carbon comes from CO2 is taken up by plants and stored in the form of biomass. This study aimed to quantified the carbon content and to maped the distribution of carbon in agroforestry stands in Parbaba Dolok Village using data of remote sensing. Calculation of carbon stocks used non-destructive (allometric method).  Vegetation types that exist in distribution of land agroforestry in Parbaba Dolok Village are kopi, coklat, pinus, nangka dan durian. The amount of carbon stocks in agroforestry stands in Parbaba Dolok Village was 337,461 ton/ha. Differences in carbon content acquistion in this area was influenced by vegetation density, diversity of size, and distribution of vegetation density.Keywords: Agroforestry, Carbon Stock, Biomass
Pendugaan Cadangan Karbon Above Ground Biomass pada Taman Kota Ahmad Yani di Kota Medan Novita Ariani Sitorus; Rahmawaty Rahmawaty; Abdul Rauf
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 (943.571 KB)

Abstract

Global warming is the main enviromental problems of this millennium. Carbon dioxide (CO2) is the main cause for global warming. Green open space such as urban park play a role in mitigating global warming in urban area   because the vegetation that is capable to absorb CO2 from the atmosphere through photosynthesis. This study aimed to calculate the carbon stock in all types of vegetation in Urban Park Ahmad Yani. The research was conducted since January until May 2013. The research was conducted at Ahmad Yani Urban Park. The introduction of plants species  and measurements had taken by census method and the method of carbon stock data counting was using non destructive sampling, namely the allometric model. The results showed that the value of carbon stock in Urban Park Ahmad Yani is 61,48555 ton/ha.Key words: urban park Ahmad Yani, carbon stock, above ground biomass
Evaluation of Land Capability for Forest Trees Species and Multi Purpose Trees Species in Tuntungan Sub-distric, Medan City Elvira Sihotang; Rahmawaty Rahmawaty; Abdul Rauf
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 (645.146 KB)

Abstract

Currently, there is a tendency to use the land for the benefit of the economy , which could increase income. Where, land use based-on market price, led to alternation of type of crops grown. Planning of the use of land should focus on balance and environmental sustainability. The purpose study was to evaluate the ability of a class of land for forest plants and multi trees species in the district multipurpose in Medan Tuntungan sub-distric. Matching method and Geographic Information Systems was used to evaluate the study. There were 9 unit of lands which the land capability classification was dominated by class I with a limiting factor to the erosion hazard, suggesting that it was necessary to the improvement of land that paralled to contour planting, terracing, and planting land cover . Land units VII and IX was the most land units inappropriate. This land units should be established as a natural protected area because the slopes are difficult to manage . Keywords: GI, Land capability, Medan Tuntungan Sub-distric
APLIKASI SISTEM INFORMASI GEOGRAFIS (SIG) UNTUK PEMETAAN SEDIMENTASI SEBAGAI SALAH SATU UPAYA PELESTARIAN DAS WAMPU BAGIAN TENGAH DI PROVINSI SUMATERA UTARA Marisi Intan Retno Widia Siahaan; Rahmawaty Rahmawaty; Abdul Rauf
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 (756.75 KB)

Abstract

Wampu Watershed is defined as the restored watershed carrying capacity according to Regulation of the Minister of Forestry of the Republic of Indonesia Number P.60 / Menhut-II / 2012. The land use for intensive agriculture is very dominant in Wampu watershed and increase the damage which is now often felt by the public. For that reason, that’s done a research for counting the suspended load that occured in Middle-stream of Wampu Watershed. The research was conducted on May up to September 2014 in Bahorok, Salapian, Kuala, and Selesai, by using survey method with taking sample randomly and continued by calculated of suspended load with United State Beureu Reclamation (USBR) method. Data processing used ArcView GIS 3.3. The results of this research showed that the highest suspended sediment discharged in middle-stream of Wampu watershed is 1.501.227,19 grams/second in Tanjung Lenggang, 324.625,29 grams/second in Empus, and 2.572,58 grams/second in Tanjung Keriahen. Therefore it’s necessary to control by doing an appropriate conservation measures to suppress the larger possibility of sedimentation. Keywords : Wampu watershed, Watershed conservation,  sedimentation, USLE method,   GIS
KLASIFIKASI PENGGUNAAN LAHAN DI HUTAN KEMASYRAKATAN KESATUAN PENGELOLAAN HUTAN LINDUNG MODEL UNIT XIV TOBA SAMOSIR Dea Kartika Br Pinem; Rahmawaty Rahmawaty; Abdul Rauf
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 (580.636 KB)

Abstract

Toba Samosir Forest  Management Unit has a Community Forest (HKm) managed by Farmers Group Association Sibisa Motung. This study aimed to classify land use in community Forest at Toba Samosir Forest Management Unit. The research was conducted from April to May 2015 using the Stratified Random Sampling method. The results showed that there are six land use system in HKm, that is the type of combination of forest trees and perennial plants (PlPhTh), the type of combination of forest trees, perennial plants and vegetable plants (PlPhThTs), the type of combination of forest trees, perennial plants and fruit plants (PlPhTtPb), the type of combination of forest trees, vegetable plants and fruit plants (PlPhTsPb), the type of combination of forest trees and vegetable plants (PlTtPb), type of forest trees, perennial plans, vegetable plants and fruit plants (PlPhTtTsPb) and spread in village Motung, village Pardamean Sibisa and village Sigapiton. Combination type of forest trees, perennial plans, vegetable plants and fruit plants are either applied for maximing farmland and provide economic benefits for farmers. Keywords: Land Use Classification, Community forest, Forest Management Unit, Toba Samosir,