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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Gizi dan Pangan Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Sains dan Teknologi Journal of Educational, Health and Community Psychology Jurnal Kesehatan Masyarakat Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) JURNAL PENGABDIAN KEPADA MASYARAKAT JURNAL PENDIDIKAN TAMBUSAI International Journal of Community Service Learning Journal on Education Jurnal Manajemen dan Bisnis International Journal of Marine Engineering Innovation and Research Community Development Journal: Jurnal Pengabdian Masyarakat Budapest International Research and Critics in Linguistics and Education Journal (Birle Journal) Didaktika: Jurnal Kependidikan Jurnal Manajemen dan Bisnis Proceeding Biology Education Conference Jurnal Abmas Negeri (JAGRI) Jurnal Pendidikan Teknik Bangunan Journal Of World Science Educational Building: Jurnal Pendidikan Teknik Bangunan dan Sipil Prosiding Seminar Nasional Teknik UISU (SEMNASTEK) Journal of Sustainable Infrastructure Jurnal Konstruksi dan Infrastruktur : Teknik Sipil dan Perencanaan Journal of Green Science and Technology
Rachmat Mulyana
Universitas Negeri Medan
Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Transportation Other

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Effect of Project Based Learning and Cooperative Type Group Investigation (GI) Learning Strategies on Higher Order Thinking Ability in Biology Course Purba, Siska Oberlina; Manurung, Binari; Mulyana, Rachmat
Proceeding Biology Education Conference: Biology, Science, Enviromental, and Learning Vol 12, No 1 (2015): Prosiding Seminar Nasional XII Biologi
Publisher : Universitas Sebelas Maret

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Abstract

This research is aimed to study the effect of project based , cooperative type GI and conventional learning strategies on higher order thinking ability of graders XI SMAN 2 Pematangsiantar. This quasi experiment was implemented as pre test and post test control group design. The population was all grades XI MIA SMAN 2 Pematangsiantar in Academic Year 2014/2015, consisted of seven classes. As many as three clasess XI4 (PjBL), XI5 (GI) dan XI7 (conventional) were chosen as samples by cluster random sampling technique. Research instruments was  higher order thinking ability (Cognitive test C4-C6). The parametric assumptions showed that the data were normally distributed and homogenous. The Anacova and Tukey’s test, were used for hypothesis testing by using SPSS v.19 statistical software. The result showed that project based learning, cooperative type GI and convensional learning strategies significantly affect student higher order thinking ability (F=14.24;P=0.000). Students who were taught by project based learning strategies (77,88 ± 7,35) had significantly different higher order thinking ability compared with those who were taught with cooperative type GI (71,10 ± 6,95) (P=0.001) and conventional learning strategies (68,05 ± 10,38) (P=0.000) even thought cooperative type GI learning strategies wasn’t significantly different compared with conventional learning strategies (P=0.237). Based on the result of research can be concluded that students higher order thinking ability on project based learning had higher than cooperative type GI and conventional learning strategies.Keywords: PjBL (Project Based Learning), Cooperative GI (Group Investigation), Biology Higher Order Thinking Ability.
Pengembangan Blog Sebagai Ruang Kelas dalam Pembelajaran Online Mulyana, Rachmat; Harahap, Rumila; Sarwa, Sarwa; Emilia, Esi; Nusri, Ardi; Efendi, Hidir
Jurnal Pendidikan Tambusai Vol. 4 No. 3 (2020): December 2020
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Abstract

Keberadaan ruang kelas sebagai ruang tatap muka akan berganti menjadi "cyber classroom" di era pendidikan abad 21. Penelitian bertujuan untuk: (1) mengembangkan perangkat pembelajaran berbasis IT dan (2) mengembangkan Blog sebagai ruang perkuliahan online. Penelitian ini merupakan penelitian pengembangan. Perangkat pembelajaran yang dikembangkan berupa matakuliah Dasar Perancangan dan Rekayasa lingkungan. Data dianalisis menggunakan statistik deskriptif. Hasil pengembangan perangkat pembelajaran berupa materi perkuliahan dalam bentuk handout, panduan kuliah mini research, perangkat evaluasi. Media pembelajaran berupa video pembelajaran dan powerpoint sebanyak 8 kali pertemuan, yang dipublikasikan ke web 2.0. Hasil uji coba menunjukkan bahwa secara umum blog sudah memenuhi kelayakan berdasarkan aspek konten pembelajaran, organisasi blog, desain dan tampilan,navigasi dan pemograman, serta tautan. Simpulan bahwa keberadaan blog sebagai ruang kelas dalam pembelajaran online sangat membantu para mahasiswa dalam memahami materi tanpa dibatasi ruang dan waktu.
Covid-19 Prevention Protocol Implementation in Construction Projects Rachmat Mulyana; Meuthia Fadila Fachruddin; Erni Rukmana; Wisnu Prayogo
Journal of Educational, Health and Community Psychology Vol 10 No 4 December 2021
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/jehcp.v10i4.22348

Abstract

Abstract Construction work projects that are currently underway during the pandemic must implement a protocol to prevent the spread of COVID-19. The purpose of this study was to analyze the implementation of the prevention protocol in several construction work projects in North Sumatera. The data research was collected from the Indrapura–Kisaran highway, the Kuala Tanjung–Tebing Tinggi–Parapat highway, and the RIS Maduma–Dairi University Flats using questionnaire and interviews method. This study result is the contractor provides health measures in an effort to prevent the spread of COVID-19 as follows hand washing area (100%), body temperature check (100%), COVID-19 handling post (66.7%), supplementation (33.3%), provision of hand sanitizer (100%), and medical personnel (66.7%). The nutritional content needs of the workers are met to maintain their immunity (66.7%). The contractors, consultants, and project owners of the three construction projects have implemented the prevention protocol in accordance with the minister’s instructions. Keywords: construction, consumption, COVID-19 pandemic, projects, workers. 
The Effect of STAD Type Cooperative Learning Models and Students' Social Skills on the Fifth Grade Students Learning Outcomes at Cinta Rakyat State Primary School Sri Astuti; Rachmat Mulyana; Siman Siman
Budapest International Research and Critics in Linguistics and Education (BirLE) Journal Vol 4, No 1 (2021): Budapest International Research and Critics in Linguistics and Education, Februa
Publisher : BIRCU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birle.v4i1.1654

Abstract

This study aims to investigate: (1) the difference in the effect of STAD type cooperative learning model and jigsaw type on the fifth grade student learning outcomes at Cinta Rakyat state primary school, (2) the difference in learning outcomes between students with high social skills and low social skills at grade five and (3) the interaction between cooperative learning approaches and social skills on the learning outcomes of fifth grade students of state primary school. This research is a quasi experimental research. The population of this study is students in class V1, V2, V3 at Cinta Rakyat state primary school. The sample in this study is class Va for the experimental class that is taught by using STAD type cooperative learning and the control class is Vb which is taught by using jigsaw type cooperative learning. The results show that: (1) the learning outcomes of students who are taught by STAD cooperative learning, 25.70. It is greater than students who are taught by jigsaw cooperative learning, it is 21.83, (2) the learning outcomes of students taught using high social skills obtains an average score of 25.07, while the learning outcomes of students who use low social skills obtains an average score of 22.63, and (3) there is no significant interaction between the use of learning and students' social skills (high, and low) in influencing learning outcomes.
EVALUASI BANJIR RANCANGAN DAS DELI DENGAN METODE HSS GAMA 1 DAN HSS SCS Rumilla Harahap; Kemala Jeumpa; Rachmat Mulyana
Prosiding Seminar Nasional Teknik UISU (SEMNASTEK) SEMNASTEK UISU 2023
Publisher : Fakultas Teknik Universitas Islam Sumatera Utara

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Abstract

Sungai Deli adalah salah satu sungai di propinsi Sumatera Utara, memiliki panjang 47 km dan luas DAS sebesar 402 km2. Sungai Deli ini tidak luput dari masalah banjir yang pada akhirnya dapat menyebabkan banyak kerusakan. Perencanaan pengendalian banjir, pengamanan sungai dan berbagai bangunan air di sungai Deli perlu dilakukan analisis hidrologi untuk mendapatkan besaran banjir rencana. Penelitian ini bertujuan untuk memperoleh besaran debit banjir rencana dan membandingkan debit banjir agar memperoleh perbandingan debit banjir rencana. Dalam penelitian ini digunakan metode Hidrograf Satuan Sintetik Gama I. Hasil perhitungan didapat debit banjir rencana HSS Gama 1 Periode ulang 2, 5, 10, 25, 50, 100 tahun adalah 151, 251, 347, 514, 679, 889 m3/det. Sedangkan HSS SCS Periode ulang 2, 5, 10, 25, 50, 100 tahun adalah 89, 149, 205, 304, 402, 526 m3/det. Perbandingan metode HSS Gama 1 dan metode HSS SCS adalah 1 : 1,69.Manfaat evaluasi banjir dapat memberikan informasi tentang penggunaan metode HSS Gama 1 dan HSS SCS dalam analisis banjir rancangan di DAS Deli
Evaluation of Drainage Channel on Meteorological Road, Laut Dendang Village, Deli Serdang Regency Fikri Damara; Desi Paskalia Tinambunan; Sakkot Matua Gong Hasibuan; Rachmat Mulyana; Meuthia Fadila; Ahmad Zulfikar; Wisnu Prayogo; I Wayan Koko Suryawan; M. Faisi Ikhwali; Iva Yenis Septiariva; Nur Novilina Arifianingsih; Sapta Suhardono; Annisa Fillaeli
Journal of Sustainable Infrastructure Vol. 1 No. 2 (2022): Environmental Impact of COVID-19 Pandemic
Publisher : Fakultas Perencanaan Infrastruktur, Universitas Pertamina

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61078/jsi.v1i2.11

Abstract

Drainage is one way of removing unwanted excess water in an area and dealing with the effects of excess water in the system. When the rainy season comes, there are almost floods or puddles on urban roads. The large population also makes the volume of drainage channels fill up quickly, while the drainage capacity tends to decrease due to rainwater (erosion) and sedimentation. Meteorological Street, Laut Dendang Village, Percut Sei Tuan sub-district, Deli Serdang Regency, is one of the villages that is frequently flooded every time it rains. On these issues, the researcher highlights the importance of evaluating the Deli Serdang Regency's drainage system along Meteorological Road to anticipate when the rainy season comes. The general exponential method can determine whether the existing drainage volume can still accommodate terrestrial run-off and domestic wastewater in the next 30 years and calculate the population growth. Based on the research results from rainfall data obtained from Meteorology Road, the rainfall intensity value for the last ten years (2010 - 2019) was 10.538 mm/day. Thus, the amount of discharge flowing in the drainage channel (Qplansning) is equal to 0.832 m3/sec, while the planned Q for the next ten years is 0.874 m3/sec, for the next 20 years is 0.953 m3/sec, and 30 years into the future. front is 1.111 m3/sec. Based on the calculation results, Qplans exceeds Qeksisting. Therefore, a new channel plan is needed.
Study of Water Quality Index of Cilamaya Watershed Before and During The COVID-19 Pandemic Nur Fitri; Wisnu Prayogo; M. Faisi Ikhwali; Rachmat Mulyana; Ahmad Zulfikar
Journal of Sustainable Infrastructure Vol. 1 No. 2 (2022): Environmental Impact of COVID-19 Pandemic
Publisher : Fakultas Perencanaan Infrastruktur, Universitas Pertamina

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61078/jsi.v1i2.12

Abstract

Due to the Covid-19 pandemic, the impact of the lockdown on the water quality of major rivers due to restrictions on activities within the country will have an effect. This research compared the Cimalaya Watershed water quality index values before and during the Covid-19 pandemic. River status was conducted using STORET and Pollution Index based on 2019 and 2020 river quality data. Calculations for each method use the same amount of data and parameters, including TSS DO, BOD, COD, TP, Fecal Coliform, and Total Coliform. The results showed a decrease in concentration for water quality parameters in 2020 or during the Covid-19 pandemic compared to 2019. The parameters that experienced a reduction included TSS, DO, BOD, and COD. But besides that, there has been an increase in water quality parameters in 2020, namely the parameters TP, Fecal Coliform, and Total Coliform. The average STORET and Pollution Index values in 2020 indicated that the river is getting moderately polluted than in 2019. This research can be a preliminary study, but using more parameters and methods will make the analysis more comprehensive.
A Review: Green Life And Behavior Change for Net Zero by Non Governmental Organizations Wisnu Prayogo; Rachmat Mulyana; Janter Pangaduan Simanjuntak; I Wayan Koko Suryawan; Laili Fitria; Edo Barlian; Putri Lynna A. Luthan; Dion Awfa; Ahmad Daudsyah Imami; Rifka Noor Azizah; Ani Purwanti; Sitepu Amrina Rosyada; Vemi Ridantam
International Journal of Marine Engineering Innovation and Research Vol 8, No 3 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i3.18692

Abstract

global warming and environmental issues are being caused by the overuse of fossil fuels and increased industrialization around the world, which has resulted in the production of greenhouse gases. As a result, it's crucial to reach net-zero carbon emissions. By balancing the total quantity of carbon dioxide or other greenhouse gas emissions over a specific period and taking actions that are ecologically responsible, net zero carbon emissions can be accomplished. For environmental sustainability to be successful, it must be able to influence people's attitudes and behavior toward the environment. To understand NGOs' obligations in supporting net-zero carbon emissions, this paper presents a methodical debate utilizing NGOs as case studies. The method is employed in this work by reviewing the body of primary and secondary research on the study issue. This essay initially lists different environmental NGOs organizations before categorizing and outlining some of the significant GHGs reduction initiatives made by these organizations. This essay also addresses key issues that must be addressed upon to achieve the best outcomes. This report gives a broad overview of the synergizing domains that NGOs around the globe work in to assist improvement environmental security.
Evaluation of Waste Management for Ecotourism Development: A Case Study of Goa Rangko, Labuan Bajo, West Manggarai Regency, East Nusa Tenggara, Indonesia I Wayan Koko Suryawan; Rachmat Mulyana; Imelda Masni Juniaty Sianipar; Mega Mutiara Sari; Wisnu Prayogo; Aarce Tehupeiory
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 20, No 3 (2023): November 2023
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v20i3.791-800

Abstract

The development of ecotourism in Goa Rangko, Labuan Bajo, West Manggarai Regency, East Nusa Tenggara, has increased waste generation, resulting in environmental degradation and negative impacts on the tourism industry. To address this issue and achieve sustainable tourism, this study aims to investigate the current waste management system in Goa Rangko and propose an optimized solution. The research was conducted through direct field observations and the collection of secondary data from literature and government documents. Waste characterization studies were undertaken to determine waste generation and composition. Based on the findings, a Material Recovery Facility (MRF) was recommended for waste management. The MRF would encompass a source-to-final processing system, ensuring efficient waste handling. Any residue from the process would be appropriately disposed of in the landfill. In addition to the MRF, the study proposes the involvement of the local community, along with education and awareness-raising programs. These initiatives aim to foster a sense of responsibility among the residents and tourists in managing waste sustainably. Moreover, the study suggests implementing an ecotourism certification program to support sustainable tourism development in Goa Rangko.
Pioneering Conservation Efforts with Crowdfunding Scheme for the Sumatran Tiger Conflict Suhardono, Sapta; Mulyana, Rachmat; Prayogo, Wisnu; Suryawan, I Wayan Koko; Septiariva, Iva Yenis
Jurnal Manajemen Hutan Tropika Vol. 30 No. 2 (2024)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.30.2.190

Abstract

Human-wildlife conflicts present significant challenges in conservation efforts. This study delves into the effectiveness of crowdfunding, intervention mechanisms, and communication initiatives in addressing the human-wildlife conflict, specifically concerning the sumatran tiger. By leveraging data from NGO web platforms, exploratory documentation, national records, and a broad spectrum of literature reviews, we aimed to unravel the nuanced dynamics of these initiatives in the conservation framework. Our findings indicate that while crowdfunding platforms such as the sapu jerat campaign offer innovative fundraising avenues, the harmonized efforts of communication strategies and robust intervention mechanisms create lasting impacts. This study underscores the essence of multifaceted approaches, stressing the value of stakeholder collaborations, including NGOs, local communities, and governmental agencies. Furthermore, this research accentuates the increasing role of digital tools in enhancing conservation efforts, suggesting a paradigm shift in contemporary conservation strategies. Hence, this study offers invaluable insights for conservationists, decision-makers, and NGOs aiming to optimize their strategies in the context of human-wildlife conflicts. At a more detailed level, the intervention mechanisms of the Sumatran Tiger Project demonstrate the importance of adaptive management, inter-agency collaboration, and sustainable financing as key components. This study highlights that the combination of technology, community involvement, strategic planning, and effective storytelling can provide a sustainable future for the sumatran tiger.
Co-Authors Aarce Tehupeiory Abdul Hamid K Adrian, Muhammad Ahmad Daudsyah Imami Ahmad Zulfikar Ahmad Zulfikar Alvan, Syahreza Ananda, Riska Ani Purwanti Annisa Fillaeli Ardi Nusri Arisetyo, Rama Arya, Zikri Vieri Azizah, Rifka Noor Binari Manurung, Binari Buana, Dwinto Martri Aji Butar-Butar, Laurensia Darwin Darwin Desi Paskalia Tinambunan Dicky, Muhammad dimas farqa ghurril Dion Awfa Edo Barlian Efendi, Hidir Emilia, Esi Erli Mutiara Erni Rukmana Fauziyah Harahap Fikri Damara Fitria, Laili Gultom, Natalia Cindy Octavia Hadian, Tantan Harahap, Rumila Hutabarat, Mulia Hutria, Wahyu I Wayan Koko Suryawan IdaTejawiani Ikhwal, M. Faisi Ikhwali, Muhammad Faisi Ikhwan Awaluddin, Asep Imami, Ahmad Daudsyah Imelda Masni Juniaty Sianipar Istiqomah Shariati Zamani Iva Yenis Septiariva Janter Pangaduan Simanjuntak Kemala Jeumpa Khairuni, Zhili Izzadati Kurniawan, Mhd Liana Atika Lubis, Putri Nabila Lukman, Mena Fadilia M. Faisi Ikhwali Malau, Flaura Dearnita Manurung, Gloria Vanesca Marbun, Hanna Swesy Mega Mutiara Sari Mena Fadilia Lukman Meuthia Fadila Meuthia Fadila Fachruddin Muhammad, Faathir Muklis Muklis Naufal Tinov Nono Sebayang, Nono Novrianty, Irma Novrizaldi Wardana Nur Fitri Nur Novilina Arifianingsih Nur Novilina Arifianingsih Nur Sakinah Nurianna Thoha Omri Guinnes Simajuntak, Omri Guinnes Panjaitan, Nahesson Panjaitan, Nahesson Hotmarama Parlaungan Hutagaol, Parlaungan Pasaribu, Hugo S. V. Pasca Rassy, Regania Permatasari, Tyas Prayogo, Wisnu Purnawan Purnawan Putra, Riansyah Putri Lynna A. Luthan Putri, Mita Dwi Rahman, Muhammad Rizki Aulia Rani, Cut Meuthia Riansyah Putra Rifka Noor Azizah Rumilla Harahap Sakkot Matua Gong Hasibuan Sapta Suhardono Sari, Mega Mutiara Sarwa, Sarwa Septiariva, Iva Yenis Shanti Andria Chairani Siagian, Ilmi Munawwarah Siman Siman Siska Oberlina Purba, Siska Oberlina Sitepu Amrina Rosyada Sitepu, Andi Lestari Sri Astuti Sri Sunarsih Suhardono, Sapta Suryawan, I Wayan Koko Tanjung, Willyam Han Ardy Tinov, Naufal Ulhasanah, Nova Utomo, Dedi Budi Vemi Ridantam Wisnu Prayogo Wisnu Prayogo Yuliananda, Adilla Zebua, Meiman Restu Zulkifli Matondang